cleaned comments:)

2 files changed, 344 insertions, 771 deletions

diff --git a/src/point.c b/src/point.c
index 2c3c248..9adef40 100644
--- a/src/point.c
+++ b/src/point.c
@@ -7,12 +7,49 @@
 double NUU = 0.0;
 double FL_DIS = 1e-10;
 double NaN = 0.0f/0.0f;
+
 typedef struct {
   double x;
   double y;
   double z;
   int vertex;
 } cord;
+cord poi_d(double x1,double y1,double x2, double y2,int len,GLfloat* pixels){
+	double m1 = (y2-y1)/(x2-x1);
+	double b1 = y1 - m1 * x1;
+	cord aa;
+	aa.x = 0;
+	aa.y = 0;
+	aa.z = -1;
+		
+	int coll = 0;
+	for(int yyu = 0; yyu!=len-1; yyu++){ 
+     
+  	double x3 = pixels[yyu*2];
+    double x4 = pixels[(yyu+1)*2];
+    double y3 = pixels[yyu*2+1];
+    double y4 = pixels[(yyu+1)*2+1];
+    double m2 = (y4-y3)/(x4-x3);
+       
+    double b2 = y3 - m2 * x3;
+
+    double nsx = (b2-b1)/(m1-m2);
+    double nsy = m1*nsx+b1;
+     
+    if(!(nsx >= greater(lesser(x1, x2), lesser(x3, x4)) && nsx <= lesser(greater(x1, x2), greater(x3, x4)))
+          
+					||(diff(nsx,x2)<FL_DIS&&diff(nsy,y2)<FL_DIS)
+					||(diff(nsx,x1)<FL_DIS&&diff(nsy,y1)<FL_DIS))
+          continue;	
+			aa.x = nsx;
+			aa.y = nsy;
+			aa.z = 1;
+			coll=1;
+			break; 
+  }
+	return aa;
+}
+
 typedef struct {
   float r;
   float g;
@@ -83,12 +120,7 @@ GLuint build_shader(GLuint vertid, GLuint fragid){
   glLinkProgram(progid);
   return progid;
 }
-point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
-  
-  //double xx[5] = {5.0,5.0,50.0,5.0,5.0};
-  //double yy[5] = {5.0,5.0,5.0,5.0,10.0};
-  //double zz[5] = {10.0,5.0,5.0,5.0,5.0};
-  //int n = 5-1;
+point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){ 
   
   n-=1;
 
@@ -111,13 +143,8 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
     for(int i = 0; i <=n;i++){
       double pp = binomial(n,i) * pow((1 - t),(n - i)) * pow(t,i);
       bcx +=  pp * xx[i];
-      bcy +=  pp * yy[i];
-      //if(ii==3){
-      //  printf("pp: %f bi : %f p1 : %f p2 : %f| %f, %f, %f\n",pp,binomial(n,i),bcx,bcy,bcz,pow((1-t),(n-i)),pow(t,i));
-      //}
-    }
-    //int ii = floor(100*(double)(t/1.0));
-    //printf("%i\n",iy);
+      bcy +=  pp * yy[i]; 
+    } 
     pa->c[iy].at.x = bcx;
     pa->c[iy].at.y = bcy;
     pa->c[iy].at.vertex = 0;
@@ -130,7 +157,6 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
     pa->c[iy].color.r = rr;
     pa->c[iy].color.g = gg;
     pa->c[iy].color.b = bb;
-    //printf("(%f,%f,%f)\n",bcx,bcy,bcz);
   }
   for(int i = 0; i<=n; i++){
     pa->vert[i].at.x = xx[i];
@@ -139,30 +165,44 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
   pa->vlen = n; 
   return pa;
 }
-void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ctz,double cx, double cy, double cz){
-  //double cx = -100;
-  //double cy = 0;
-  //double cz = 0;
-  //double ctx = 0;
-  //double cty = 0;
-  //double ctz = 0;
-  //cz=100-cz;
-  //printf("%i\n",glGetError());
-  //glColor3f(1.0f,0.0f,0.0f);
-  //GLfloat* pixels = malloc(sizeof(*pixels)*c->len*5);
-  //printf("s\n");
-  //GLfloat pixels[(int)ceil(c->len*3)];
-  //GLfloat colors[(int)ceil(c->len*3)];
+typedef struct {
+	GLfloat* pix;
+	GLfloat* col;
+	int len;
+} glfl_ar;
+void render_p(glfl_ar* bba){
+	GLuint verta;
+  glGenVertexArrays(1,&verta);
+  glBindVertexArray(verta);
+
+  GLuint vetb;
+  glGenBuffers(1,&vetb);
+  glBindBuffer(GL_ARRAY_BUFFER,vetb);
+  glBufferData(GL_ARRAY_BUFFER,sizeof(*bba->pix)*(bba->len*3),bba->pix,GL_STATIC_DRAW);
+  
+  glEnableVertexAttribArray(0);
+  glBindBuffer(GL_ARRAY_BUFFER,vetb);
+  glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,(void*)0);
+  
+  GLuint colb;
+  glGenBuffers(1,&colb);
+  glBindBuffer(GL_ARRAY_BUFFER,colb);
+  glBufferData(GL_ARRAY_BUFFER,sizeof(*bba->col)*(bba->len*4),bba->col,GL_STATIC_DRAW);
+
+  glEnableVertexAttribArray(1);
+  glBindBuffer(GL_ARRAY_BUFFER,colb);
+  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
+
+  glDrawArrays(GL_POINTS,0,bba->len);
+  glDeleteBuffers(1,&vetb);
+  glDeleteBuffers(1,&colb);
+}
+glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ctz,double cx, double cy, double cz){ 
   GLfloat* pixels = malloc(sizeof(*pixels)*((1+c->len)*4));
-  //GLfloat* abpixels = malloc(sizeof(*abpixels)*(c->len*3));
   GLfloat* colors = malloc(sizeof(*colors)*((1+c->len)*4));
-  //GLfloat* colors = malloc(sizeof(*colors)*c->len*4);
   if(pixels==NULL||colors==NULL)
     err("failed to allocate perspective array:(",pexit);
-  
-  
-  //glfwSwapBuffers(b);
-  //return;
+   
   double coy = cos(cty);
   double siz = sin(ctz);
   double coz = cos(ctz);
@@ -171,22 +211,14 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
   double cox = cos(ctx);
   double fov = 0.002;
   double ex = cx;
-  double ey = cy;
-  //glfwGetFramebufferSize(b,&w,&h);
-  refresh_size(b);
-  //glColor3f(1.0f,0.0f,0.0f);
-  //double ez = 1/tan(fov/2);
-  //glBegin(GL_POINTS);
-  //printf("e\n");
-  //printf("---\n");
+  double ey = cy; 
+  refresh_size(b); 
   GLuint fb = 0;
   int c_len = 0;
   //double ez=1/tan(fov/2); //i dont get this at all
   double ez=get_w()*2;
-  //glGenFramebuffers(1,&fb);
   glEnableClientState(GL_VERTEX_ARRAY);
-  //glEnableClientState(GL_VERTEX_ARRAY);
-  //glEnableClientState(GL_COLOR_ARRAY);
+  
   for(int i = 0; i!=c->len; i++){
     double ax = c->c[i].at.x;
     double ay = c->c[i].at.y;
@@ -197,42 +229,20 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     double dx = coy * (siz*(ay-cy) + coz*(ax-cx)) - (siy*(az-cz));
     double dy = six * yzm + cox*eyz;
     double dz = cox * yzm - six*eyz; 
-    
-    //printf("%f %f %f, %f %f\n",dx,dy,ez,ez/dz*dx+dx,dy*ez);
+   
     double bx = ez/dz*dx+dx;
-    double by = ez/dz*dy+dy;
-    //printf("%f %f | %f %f %f\n",bx,by,ctx,cty,ctz);
-    //int aaa = round((150-dz)/2);
+    double by = ez/dz*dy+dy; 
     if(dz>-1){
       ab_to_vp(xa,ya,get_w(),get_h(),bx,by);
-      //printf("%f\n",dz);
-    //return;
-    //printf("%i:%f %f | %f %f\n",i*2,xa,ya,bx,by);
-    //return;
-      //if(c->c[i].at.vertex&&i==4800)
-      //  printf("%i : %f:%f %f:%f\n",i,bx,xa,by,ya);
       pixels[c_len*2] = xa+1;
       pixels[c_len*2+1] = ya;
-      //abpixels[i*2] = bx;
-      //abpixels[i*2+1] = by;
       colors[c_len*3] = c->c[i].color.r;
       colors[c_len*3+1] = c->c[i].color.g;
       colors[c_len*3+2] = c->c[i].color.b;
       c_len++;
-    }/* else {
-      pixels[i*2] = -20;
-      pixels[i*2+1]= -20;
-      //abpixels[i*2] = -20;
-      //abpixels[i*2+1]= -20;
-      colors[i*3] = 0.0f;
-      colors[i*3+1] = 1.0f;
-      colors[i*3+2] = 0.0f; 
-    }*/
-    //glfw_circle_partial(b,nearbyint(bx),nearbyint(by),/*(0>=aaa?1:*/1/*)*/); 
-    //glfw_pixel_partial(b,round(bx),round(by)); 
+    }
   }
-  //int c_len = c->len;
-  //connect all vertcies
+  
   double fc_len = c_len;
   for(int i = 0; i<=fc_len-1; i++){
     double x22[2] = {pixels[i*2],pixels[(i+1)*2]};
@@ -252,48 +262,35 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     free(bas->vert);
     free(bas);
   }
-  //c->len = c_len;
   double dclen = c_len;
-  //highlight vertic
   int vvi = 0;
   
-  //printf("l:%i\n",c_len);
-  //printf("%i\n",c_len);
   glfl_m* trline = malloc(sizeof(*trline)*get_w()*30);
   trline->len = 0;
-  //printf("ss\n");
   trline->at = malloc(sizeof(*trline->at)*get_w()*40);
   for(int i = 0; i<=c->len; i++){
     if(c->c[i].at.vertex==1){ 
       if(pixels==NULL||colors==NULL)
         abort();
       vvi++;
-      //printf("%i\n",i);
-      //printf("%i\n",i);
-      //printf("%i : %f %f\n",i,pixels[i*2],pixels[i*2+1]);
-      //trline.at = realloc(trline.at,sizeof(*trline.at)*(vvi+1));
-      //printf("1\n");
-      //trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*(get_w()+(trline->len+1))*20);
+      
       trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*(c_len+get_w()*2)*30);
       trline->at[trline->len].len = 0;
-      //printf("2\n");
       double ttt = -1.0;
       int p_b = 0;
       int p_b2 = 0;
       int p_b3 = 0;
       int p_b4 = 0;
       double ttt2 = 1.0;
-      //printf("%f\n",NUU);
      
       int found1 = 1;
       int found2 = 1;
-      for(int jj = 0; jj<=dclen-1; jj++){
+      
+			for(int jj = 0; jj<=dclen-1; jj++){
         float sad = 3.0f;
         float sad2 = 30.0f;
         if(pixels[jj*2]<pixels[i*2]&&diff(pixels[jj*2],pixels[i*2])>(float)sad2/get_w()
           &&diff(pixels[jj*2+1],pixels[i*2+1])<(float)sad/get_w()&&i!=jj){
-          //printf("%f %f\n",ttt,pixels[jj*2]);
-          //if(ttt<pixels[jj*2])
           p_b=1;
           if(pixels[jj*2]>ttt)
             ttt=pixels[jj*2];
@@ -301,17 +298,12 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         }
         if(diff(pixels[jj*2],pixels[i*2])>(float)sad2/get_w()
           &&diff(pixels[jj*2+1],pixels[i*2+1])<(float)sad/get_w()&&i!=jj&&
-          pixels[jj*2]>pixels[i*2]){
-          //printf("%f %f\n",ttt,pixels[jj*2]);
-          //if(ttt<pixels[jj*2])
+          pixels[jj*2]>pixels[i*2]){ 
           p_b2=1;
-          //printf("sss\n");
-          //printf("%i/%f, %f %f\n",jj,c->len,pixels[jj*2],ttt2);
-          //printf("aaa\n");
+          
           if(pixels[jj*2]<ttt2)
             ttt2=pixels[jj*2];
-          //printf("lll\n");
-           
+          
         }
         if(diff(pixels[jj*2+1],pixels[i*2+1])>(float)sad/get_w()
           &&diff(pixels[jj*2],pixels[i*2])<(float)sad2/get_w()&&i!=jj&&pixels[jj*2+1]>pixels[i*2+1]){
@@ -323,38 +315,25 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         }
         
       }
-    //printf("%i\n",trline->len);
-    //printf("aaaa\n");
+    
     if(!p_b3||!p_b4){
         free(trline->at[trline->len].at);
-        //printf("fffff\n");
+        
         continue;
     }
-    //printf("aaa\n");
-    //printf("%f %f\n",ttt,ttt2);
-    //printf("%i : %f %f\n",i,ttt,ttt2);
-    //printf("3\n");
-   // printf("%f\n",NUU);
+		
     
     double cb = 1.0;
     double sb = 1.0/get_w();
     double ib = cb/get_w();
     if(p_b)
-      for(double zz = pixels[i*2]; diff(zz,ttt)>ib&&zz>-1;zz-=(float)sb){
-        //printf("4 %lu\n",sizeof *pixels *((c_len+1)*3));
-        //trline->at[trline->len].at = realloc(trline->at[trline->len].at,sizeof(*trline->at[trline->len].at)*(trline->at[trline->len].len+1)*30); 
-        pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
-        //printf("4.5\n");
+      for(double zz = pixels[i*2]; diff(zz,ttt)>ib&&zz>-1;zz-=(float)sb){ 
+        pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3)); 
         colors = realloc(colors,sizeof *colors *((c_len+1)*4));
-        int brea = 0;
-        //printf("5\n");
         trline->at[trline->len].at[trline->at[trline->len].len*2] = zz;
-        //printf("6\n");
         trline->at[trline->len].at[trline->at[trline->len].len*2+1] = pixels[i*2+1];
-        //printf("7\n");
         pixels[c_len*2] = zz;
         pixels[c_len*2+1] = pixels[i*2+1]; 
-        //printf("8\n");
         colors[c_len*3] = 0.1f;
         colors[c_len*3+1] = vvi==3?0.1f:vvi==4?0.5f:1.0f; 
         colors[c_len*3+2] = 1.0f; 
@@ -362,17 +341,15 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         trline->at[trline->len].len++;
 
        
-      }
-    //printf("4\n");
+      } 
     if(p_b2)
       for(double zz = pixels[i*2]; diff(zz,ttt2)>ib&&zz<1;zz+=(float)sb){
-        //trline->at[trline->len].at = realloc(trline->at[trline->len].at,sizeof(*trline->at[trline->len].at)*(trline->at[trline->len].len+1)*30);
+      
         pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
         colors = realloc(colors,sizeof *colors *((c_len+1)*4));
         int brea = 0;
         trline->at[trline->len].at[trline->at[trline->len].len*2] = zz;
         trline->at[trline->len].at[trline->at[trline->len].len*2+1] = pixels[i*2+1];
-        //printf("%f %f\n",zz,ttt2);    
         pixels[c_len*2] = zz;
         pixels[c_len*2+1] = pixels[i*2+1]; 
         colors[c_len*3] = 0.1f;
@@ -387,27 +364,19 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     trline->len++;
     }
   }
-  //printf("aa\n");
-  //printf(">>>\n");
+
   if(trline->len>1){
-  for(int ii = 0; ii!=trline->len-1; ii++){
-    //printf("[%i] %f %i < %f %i\n",ii,trline->at[ii].at[3],trline->at[ii].len,trline->at[ii+1].at[3],trline->at[ii+1].len);
+  for(int ii = 0; ii!=trline->len-1; ii++){ 
     if(trline->at[ii].at[3]<trline->at[ii+1].at[3]){
-      //printf("swapped\n");
       glfl_a temp = trline->at[ii];
       trline->at[ii] = trline->at[ii+1];
       trline->at[ii+1] = temp;
       ii=-1;
     }
       
-  }}/*
-  printf("---\n");
-  for(int ii = 0; ii!=trline->len;ii++){
-    printf("%f %i\n",trline->at[ii].at[3],trline->at[ii].len);   
-  }*/
+  }}
   double ffclen = c_len;
-	//printf("---\n");
-	//printf("%i\n",trline->len);
+
   double lmax_t = -2.0;
   double lmin_t = 2.0;
   double lmax2_t = -2.0;
@@ -418,7 +387,6 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     double max2_t = -2.0;
     double min2_t = 2.0;
     for(int zzi2 = 0; zzi2!=trline->at[zzi].len;zzi2++){
-      //printf("(%f %f):\n",trline.at[zzi].at[zzi2*2],trline.at[zzi].at[zzi2*2+1]); 
       if(max_t<trline->at[zzi].at[zzi2*2]){
       	max_t = trline->at[zzi].at[zzi2*2];
       	max2_t = trline->at[zzi].at[zzi2*2+1];
@@ -427,15 +395,14 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
       	min_t = trline->at[zzi].at[zzi2*2];
       	min2_t = trline->at[zzi].at[zzi2*2+1];
       }
-      //min_t = (min_t>trline.at[zzi].at[zzi2]?trline.at[zzi].at[zzi2]:min_t); 
+       
     }
-    // printf("%i\n",zzi);
+    
     free(trline->at[zzi].at);
-    //printf("lls\n");
 		if (trline->at[zzi].len == 0)
       continue; 
     if(lmax2_t!=max2_t&&lmin_t!=2.0&&lmax_t!=-2.0){
-			//printf("ll\n");
+
     float color = (float)zzi/trline->len;
     float color2 = 1.0f-((float)zzi/trline->len);
     double di = pow(lmin_t-max_t,2)+pow(lmin2_t-max2_t,2);//sqrt should be used here
@@ -454,7 +421,7 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     	ux2 = lmax_t;
     	uy2 = lmax2_t;
     }
-    //printf("%f %f >> %f %f (f,%f) | %f %f\n",di,di2,ux1,uy1,min_t,ux2,uy2);
+    
     color2 = 1.0f;
     
 		double x1 = ma_to_mi?max_t:min_t;
@@ -469,58 +436,20 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
 		
 		for(;(ma_to_mi?x1>=x2:x1<=x2);(ma_to_mi?(x1-=ite1):(x1+=ite2))){	
 		
-		double m1 = (y2-y1)/(x2-x1);
-		double b1 = y1 - m1 * x1;
-		
-		
-		int coll = 0;
-		for(int yyu = 0; yyu!=fc_len-1; yyu++){ 
-     
-      double x3 = pixels[yyu*2];
-      double x4 = pixels[(yyu+1)*2];
-      double y3 = pixels[yyu*2+1];
-      double y4 = pixels[(yyu+1)*2+1];
-      double m2 = (y4-y3)/(x4-x3);
-       
-      double b2 = y3 - m2 * x3;
-
-      double nsx = (b2-b1)/(m1-m2);
-      double nsy = m1*nsx+b1;
-     
-      if(!(nsx >= greater(lesser(x1, x2), lesser(x3, x4)) && nsx <= lesser(greater(x1, x2), greater(x3, x4)))
-          //||(nsx<x1||nsx>x2||nsy<y1||nsy>y2)
-					||(diff(nsx,x2)<FL_DIS&&diff(nsy,y2)<FL_DIS)
-					||(diff(nsx,x1)<FL_DIS&&diff(nsy,y1)<FL_DIS))
-          continue;
-			/*
-      pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-      colors = realloc(colors,sizeof *colors *((c_len+1)*5));  
-      pixels[c_len*2] = nsx;
-      pixels[c_len*2+1] = nsy; 
-      colors[c_len*3] = 1.0f;//yyu/(fc_len-1);
-      colors[c_len*3+1] = 0.5f;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-      colors[c_len*3+2] = 1.0f;//-yyu/(fc_len-1); 
-      c_len++;*/
-			coll=1;
-			break;
-			//printf("aaa\n");
-      //printf("%f,%f,%f,%f,%f,%f %f,%f,%f,%f,%f,%f,  %f %f\n",x1,y1,x2,y2,m1,b1, x3,y3,x4,y4,m2,b2,nsx,nsy);
-      //printf("(%f,%f) -> (%f,%f) :: x:%f,y:%f\n",ux1,uy1,ux2,uy2,nsx,nsy); 
-    }
+		cord aaaa = poi_d(x1,y1,x2,y2,fc_len,pixels);	
     
-		if(coll){
+		if(aaaa.z==1){
 			continue;
 		}
 		double bb[] = {x1,x2};
     double bb2[] = {y1, y2};
     point_arr* asd = basier2d(bb,bb2,2,0.1,0.1,0.1);
 		
-    for(int lli = 0; !coll&&lli!=asd->len; lli++){
+    for(int lli = 0; lli!=asd->len; lli++){
     	pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
     	colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
     	double dd = 10;
-    	//if(diff(asd->c[lli].at.x,ex)<(float)dd/get_w()&&diff(asd->c[lli].at.y,ey)<(float)dd/get_w())
-     	// break;
+    	
     	pixels[c_len*2] = asd->c[lli].at.x;
     	pixels[c_len*2+1] = asd->c[lli].at.y; 
     	colors[c_len*3] = color2;
@@ -533,113 +462,23 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     free(asd);
 		break;
 		}
-		/*
-    pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-    colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
-    //ab_to_vp(nn1,nn2,get_w(),get_h(),abba->c[hhi].at.x,abba->c[hhi].at.y)
-        //printf("%f->%f %f->%f\n",abba->c[hhi].at.x,nn1,abba->c[hhi].at.y,nn2);
-    pixels[c_len*2] = ux1;
-    pixels[c_len*2+1] = uy1; 
-    colors[c_len*3] = color2;
-    colors[c_len*3+1] = color;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-    colors[c_len*3+2] = 0.0f; 
-    c_len++;
-    
-    pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-    colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
-    //ab_to_vp(nn1,nn2,get_w(),get_h(),abba->c[hhi].at.x,abba->c[hhi].at.y)
-        //printf("%f->%f %f->%f\n",abba->c[hhi].at.x,nn1,abba->c[hhi].at.y,nn2);
-    pixels[c_len*2] = ux2;
-    pixels[c_len*2+1] = uy2; 
-    colors[c_len*3] = color2;
-    colors[c_len*3+1] = color;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-    colors[c_len*3+2] = 0.0f;
-    c_len++;*/
+		
     }
     lmax_t = max_t;
     lmin_t = min_t;
     lmax2_t = max2_t;
     lmin2_t = min2_t; 
   }
-  //printf("done\n");
   free(trline->at);
   free(trline);
-  //return;
   glPointSize(4.0f);
-  //glUseProgram(prog);
-  //glVertexAttribPointer(0,3,GL_FLOAT,0, 7*4,0);
-  //glVertexAttribPointer(3,4,GL_FLOAT,0, 7*4,3*4);
-  //GLint posAttrib = glGetAttribLocation(0,"position");
-  //GLuint vertbuff;
-  //glGenBuffers(1,&vertexBufferObject);
-  //for(int i = 0; i!=c->len*3; i++){
-  //  colors[i] = 1.0f;
-  //} 
-  /*GLint uni = glGetUniformLocation(prog,"r");
-  glUniform1f(uni,1.0);
-  uni = glGetUniformLocation(prog,"g");
-  glUniform1f(uni,0.2);
-  uni = glGetUniformLocation(prog,"b");
-  glUniform1f(uni,0.3);*/
-  /*glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)0);
-  glEnableVertexAttribArray(0);
-  int aaa3 = c->len/2*sizeof(float);
-  glVertexAttribPointer(2,5,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)(&aaa3));
-  glEnableVertexAttribArray(1);*/
- /* GLuint colorb;
-  glGenBuffers(1,&colorb);
-  glBindBuffer(GL_ARRAY_BUFFER,colorb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(colors),colors,GL_STATIC_DRAW);
-  glEnableVertexAttribArray(1);
-  glBindBuffer(GL_ARRAY_BUFFER,colorb);
-  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
-*/// return; 
    
-  GLuint verta;
-  glGenVertexArrays(1,&verta);
-  glBindVertexArray(verta);
-
-  GLuint vetb;
-  glGenBuffers(1,&vetb);
-  glBindBuffer(GL_ARRAY_BUFFER,vetb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(*pixels)*(c_len*3),pixels,GL_STATIC_DRAW);
-  
-  glEnableVertexAttribArray(0);
-  glBindBuffer(GL_ARRAY_BUFFER,vetb);
-  glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,(void*)0);
-  
-  GLuint colb;
-  glGenBuffers(1,&colb);
-  glBindBuffer(GL_ARRAY_BUFFER,colb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(*colors)*(c_len*4),colors,GL_STATIC_DRAW);
-
-  glEnableVertexAttribArray(1);
-  glBindBuffer(GL_ARRAY_BUFFER,colb);
-  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
+  glfl_ar* rea = malloc(sizeof(*rea));
+	rea->col = colors;
+	rea->pix = pixels;
+	rea->len = c_len;
 
-  glDrawArrays(GL_POINTS,0,c_len);
-  glDeleteBuffers(1,&vetb);
-  glDeleteBuffers(1,&colb);
-  free(pixels);
-  free(colors);
-  //free(abpixels);
-  //printf("aa\n");
-  //glDisableVertexAttribArray(0);
-  //glDisableVertexAttribArray(1);
-  //glVertexPointer(2,GL_FLOAT,0,pixels);
-  //glVertexPointer(3,GL_FLOAT,0,colors);
-  //glDrawArrays(GL_POINTS,0,c->len);
-  //glDisableClientState(GL_VERTEX_ARRAY);
-  //glDisableClientState(GL_COLOR_ARRAY);
-  //free(pixels);
-  //free(colors);
-  /*for(int i = 0; i!=get_w();i++){
-    glfw_pixel(b,i,get_h()/2);
-  }
-  for(int i = 0; i!=get_h();i++){
-    glfw_pixel(b,get_w()/2,i);
-  }*/
-  //glEnd();
+	return rea; 
 }
 point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, float bb){
   point_arr* pa;
@@ -648,13 +487,7 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
   pa->vert = malloc(sizeof(*pa->vert)*(n*60));
 
   if(pa->c==NULL||pa->vert==NULL)
-    err("failed to allocate basier array",pexit);
-  
-  //double xx[5] = {5.0,5.0,50.0,5.0,5.0};
-  //double yy[5] = {5.0,5.0,5.0,5.0,10.0};
-  //double zz[5] = {10.0,5.0,5.0,5.0,5.0};
-  //int n = 5-1;
-  
+    err("failed to allocate basier array",pexit); 
   n-=1;
 
   
@@ -670,13 +503,8 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
       double pp = binomial(n,i) * pow((1 - t),(n - i)) * pow(t,i);
       bcx +=  pp * xx[i];
       bcy +=  pp * yy[i];
-      bcz +=  pp * zz[i];
-      //if(ii==3){
-      //  printf("pp: %f bi : %f p1 : %f p2 : %f| %f, %f, %f\n",pp,binomial(n,i),bcx,bcy,bcz,pow((1-t),(n-i)),pow(t,i));
-      //}
-    }
-    //int ii = floor(100*(double)(t/1.0));
-    //printf("%i\n",iy);
+      bcz +=  pp * zz[i]; 
+    } 
     pa->c[iy].at.x = bcx;
     pa->c[iy].at.y = bcy;
     pa->c[iy].at.z = bcz;
@@ -690,27 +518,16 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
     pa->c[iy].color.r = rr;
     pa->c[iy].color.g = gg;
     pa->c[iy].color.b = bb;
-    //printf("(%f,%f,%f)\n",bcx,bcy,bcz);
   }
   for(int i = 0; i<=n; i++){
     pa->vert[i].at.x = xx[i];
     pa->vert[i].at.y = yy[i]; 
     pa->vert[i].at.z = zz[i]; 
   }
-  pa->vlen = n;
-  //bw b = sdl_init();
-  /*for(int i = 0; i!=100; i ++){
-    SDL_SetRenderDrawColor(b.r,0,255-255*(pa[i].z/100),0,255);
-    SDL_RenderDrawPoint(b.r,pa[i].x,pa[i].y);
-    sdl_circle(b,round(pa[i].x),round(pa[i].y),round(100-pa[i].z));
-    //printf("%i : (%f,%f,%f)\n",i,pa[i].x,pa[i].y,(100-pa[i].z));
-  }*/
-  //perspective_proj(b,pa,100);
-  //sdl_loop(b);
+  pa->vlen = n; 
   return pa;
 }
 void join_cords(point_arr* a, point_arr* b){
-  //printf("%lu\n",sizeof(*a)*(a_len+b_len+2));
   int a_len = a->len;
   int a_vlen = a->vlen;
   a->c = realloc(a->c,sizeof(*a->c)*(a->len+b->len)*60);
@@ -720,37 +537,66 @@ void join_cords(point_arr* a, point_arr* b){
   if(a->c==NULL)
     err("failed to reallocate cords",pexit);
   for(int i = 0; i<=b->len; i++){
-    //printf("%i/%f\n",i,b->len);
     a->c[a_len+i].at = b->c[i].at; 
     a->c[a_len+i].color = b->c[i].color; 
   }
   for(int i = 0; i<=b->vlen; i++){
-    //printf("%i/%f\n",i,b->len);
-    a->vert[a_vlen+i].at = b->vert[i].at; 
-    //a->vert[a_len+i].color = b->vert[i].color; 
+    a->vert[a_vlen+i].at = b->vert[i].at;  
+  }
+}
+void join_glfl_a(glfl_ar* a, glfl_ar* b){ 
+  int a_len = a->len;
+  a->pix = realloc(a->pix,sizeof(*a->pix)*(a->len+b->len)*60);
+  a->col = realloc(a->col,sizeof(*a->col)*(a->len+b->len)*60);
+  
+	a->len+=b->len;
+  
+  if(a->pix==NULL||a->col==NULL)
+    err("failed to reallocate float array",pexit);
+  for(int i = 0; i<=b->len*2; i++){
+    a->pix[a_len*2+i] = b->pix[i];  
+  }
+	for(int i = 0; i<=b->len*3; i++){
+    a->col[a_len*3+i] = b->col[i];  
+  }
+}
+point_arr* polygon3d(double* vx, double*vy, double* vz, int n){
+  double xx[2] = {vx[0],vx[1]};
+  double yy[2] = {vy[0],vy[1]};
+  double zz[2] = {vz[0],vz[1]};
+  point_arr* y = basier3d(xx,yy,zz,2,1.0f,0.0f,0.5f);
+  for(int i = 1; i<=n-2; i++){
+    double xx1[2] = {vx[i],vx[i+1]};
+    double yy1[2] = {vy[i],vy[i+1]};
+    double zz1[2] = {vz[i],vz[i+1]};
+    point_arr* aa = basier3d(xx1,yy1,zz1,2,1.0f,0.0f,0.5f);
+    join_cords(y,aa);
+    free(aa->c);
+    free(aa->vert);
+    free(aa); 
   }
-  //return a.len+b.len;
+  return y;
 }
 point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, float gg, float bb){
   double xx[3] = {tl[0],tr[0]};
   double yy[3] = {tl[1],tr[1]};
   double zz[3] = {tl[2],tr[2]};
-  point_arr* a = basier3d(xx,yy,zz,2,rr,gg,bb);
+  point_arr* a = polygon3d(xx,yy,zz,2);
   
   double xx1[3] = {tl[0],bl[0]};
   double yy1[3] = {tl[1],bl[1]};
   double zz1[3] = {tl[2],bl[2]};
-  point_arr* b = basier3d(xx1,yy1,zz1,2,rr,gg,bb);
+  point_arr* b = polygon3d(xx1,yy1,zz1,2);
   
   double xx2[3] = {tr[0],br[0]};
   double yy2[3] = {tr[1],br[1]};
   double zz2[3] = {tr[2],br[2]};
-  point_arr* c = basier3d(xx2,yy2,zz2,2,rr,gg,bb);
+  point_arr* c = polygon3d(xx2,yy2,zz2,2);
   
   double xx3[3] = {bl[0],br[0]};
   double yy3[3] = {bl[1],br[1]};
   double zz3[3] = {bl[2],br[2]};
-  point_arr* d = basier3d(xx3,yy3,zz3,2,rr,gg,bb);
+  point_arr* d = polygon3d(xx3,yy3,zz3,2);
   
   join_cords(a,b);
   join_cords(a,c);
@@ -767,7 +613,6 @@ point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, fl
   return a;
 }
 void fill3d(point_arr* a){
-  //printf("AAA");
   warn("please dont use this lol");
   double m_x = 0.0;
   double m_y = 0.0;
@@ -788,18 +633,17 @@ void fill3d(point_arr* a){
       mi_y = a->c[i].at.y; 
     if(a->c[i].at.z<mi_z||mi_z==0)
       mi_z = a->c[i].at.z; 
-  }
-  //printf("%f %f %f | %f %f %f\n",m_x,m_y,m_z,mi_x,mi_y,mi_z);
+  } 
   int a_l = a->len;
   a->c = realloc(a->c,sizeof(*a->c)*(m_x*m_y+a->len)*60);
   for(double y = mi_y; y<=m_y; y+=.1){
-    //printf("%f/%f\n",y,m_y);
+    
     double* zz = malloc(sizeof(*zz));
     int zzl = 0;
     double* xx = malloc(sizeof(*xx));
     double* yy = malloc(sizeof(*yy));
     for(int i = 0; i<=a_l; i++){
-      //printf("%i/%f\n",i,a->len);
+      
       if(diff(a->c[i].at.y,y)<.1){
         zz = realloc(zz,sizeof(*zz)*(zzl+1));
         zz[zzl] = a->c[i].at.z;
@@ -818,38 +662,12 @@ void fill3d(point_arr* a){
     free(yy);
     free(zz);
   }
-  /*for(int i = 0; i!=a->len+m_x*m_y; i++){
-    a->c[i].at.x = ;
-    a->c[i].at.y = fmod(i,m_y); 
-    a->c[i].at.z = 20;   
-    a->c[i].color.r = 0.0f;
-    a->c[i].color.g = 1.0f; 
-    a->c[i].color.b = 0.1f; 
-  }*/
-  /*
-  for(int y = mi_y; y<=m_y; y++){
-    for(int x = mi_x; x<=m_x; x++){
-      a->len++;
-      int i = a->len;
-     // printf("%i\n",i);
-      a->c[a_l+i].at.x = x;
-      a->c[a_l+i].at.y = y; 
-      a->c[a_l+i].at.z = mi_z;   
-      a->c[a_l+i].color.r = 0.0f;
-      a->c[a_l+i].color.g = 1.0f; 
-      a->c[a_l+i].color.b = 0.1f; 
-    }
-  }
-  printf("done\n");
-  */ 
-  //join_cords(a,bb);
 }
 point_arr* cube_gen(double* tl, double* tr, double* bl, double*br,
                double* tl2, double* tr2, double* bl2, double*br2,
                     float rr, float gg, float bb){
    
   point_arr* a = square_gen(tl,tr,bl,br,rr,gg,bb); 
-  //fill3d(a);
   point_arr* b = square_gen(tl2,tr2,bl2,br2,rr,gg,bb); 
   double s;
   join_cords(a,b);
@@ -879,23 +697,6 @@ point_arr* cube_gen(double* tl, double* tr, double* bl, double*br,
   free(f);
   return a;
 }
-point_arr* polygon3d(double* vx, double*vy, double* vz, int n){
-  double xx[2] = {vx[0],vx[1]};
-  double yy[2] = {vy[0],vy[1]};
-  double zz[2] = {vz[0],vz[1]};
-  point_arr* y = basier3d(xx,yy,zz,2,1.0f,0.0f,0.5f);
-  for(int i = 1; i<=n-2; i++){
-    double xx1[2] = {vx[i],vx[i+1]};
-    double yy1[2] = {vy[i],vy[i+1]};
-    double zz1[2] = {vz[i],vz[i+1]};
-    point_arr* aa = basier3d(xx1,yy1,zz1,2,1.0f,0.0f,0.5f);
-    join_cords(y,aa);
-    free(aa->c);
-    free(aa->vert);
-    free(aa); 
-  }
-  return y;
-}
 int main(int argc,char*argv[]){
   flag_handle(argc,argv);
   atexit(sig_handle);
@@ -928,16 +729,14 @@ int main(int argc,char*argv[]){
   double yy[8] = {5.0, 15.0, 30.0, 45.0,64.0, 45.0,55.0,5.0};
   double zz[8] = {50.0,50.0,50.0,50.0,50.0,50.0,50.0,50.0};
   point_arr* a = polygon3d(xx,yy,zz,8);
-  
-  
-  /*for(int i = 0;i!=a->vlen;i++){
-    printf("%f %f %f\n",a->vert[i].at.x,a->vert[i].at.y,a->vert[i].at.z);
-  }*/
-  //exit(0);
+  /*
+  double xx2[8] = {0.0, 15.0, 50.0, 60.0,20.0,10.0, 0.0,0.0};
+  double yy2[8] = {5.0, 15.0, 30.0, 20.0,64.0, 45.0,55.0,5.0};
+  double zz2[8] = {50.0,50.0,50.0,50.0,50.0,50.0,50.0,50.0};
+  point_arr* a2 = polygon3d(xx2,yy2,zz2,8);
+  */
   int max_r = 630;
   double half_max_r = (double)max_r/2/2;
-  //printf("%s\n",glGetString(GL_VERSION));
-  //glfwSetKeyCallback(w,key_press);
   double pl_x = 0;
   double pl_y = 0;
   double pl_z = 0;
@@ -955,13 +754,14 @@ int main(int argc,char*argv[]){
     double p5 = -pl_y+pl_z;
     double p6 = pl_x;
     
-    perspective_proj(w,a,p1,p2,p3,p4,p5,p6);
-    
-    glfw_load(w);
-    //break;
+    glfl_ar* bba = perspective_proj(w,a,p1,p2,p3,p4,p5,p6);	
+		render_p(bba);    	
+		free(bba->col);
+		free(bba->pix);
+		free(bba); 
+		glfw_load(w);
     int mod_move=2;
     double run_mul=2;
-    //usleep(10000);
     glfwPollEvents(); 
     if(glfwGetKey(w,GLFW_KEY_R)){
       pl_x = 0;
@@ -978,7 +778,6 @@ int main(int argc,char*argv[]){
       else 
         plr_x--;
     plr_x = fmod(plr_x,max_r);
-    //plr_y = fmod(plr_y,max_r);
     }
     if(glfwGetKey(w,GLFW_KEY_K)){
       if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
@@ -986,14 +785,12 @@ int main(int argc,char*argv[]){
       else 
         plr_x++;
     plr_x = fmod(plr_x,max_r);
-    //plr_y = fmod(plr_y,max_r);
     } 
     if(glfwGetKey(w,GLFW_KEY_J)){
       if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
         plr_y-=mod_move;
       else 
         plr_y--;
-    //plr_x = fmod(plr_x,max_r);
     plr_y = fmod(plr_y,max_r);
     } 
     if(glfwGetKey(w,GLFW_KEY_L)){
@@ -1001,7 +798,6 @@ int main(int argc,char*argv[]){
         plr_y+=mod_move;
       else 
         plr_y++;
-    //plr_x = fmod(plr_x,max_r);
     plr_y = fmod(plr_y,max_r);
     }
     
@@ -1012,7 +808,6 @@ int main(int argc,char*argv[]){
       pl_x+=cosf(plr_y*0.01)*mul;
       pl_y+=sinf(plr_y*0.01)*mul; 
       pl_z-=sinf(plr_x*0.01)*mul; 
-      //printf("%f\n",pl_z);
     }
     if(glfwGetKey(w,GLFW_KEY_S)){
       double mul = 1;
@@ -1036,24 +831,17 @@ int main(int argc,char*argv[]){
       pl_x+=cosf((half_max_r+plr_y)*0.01)*mul;
       pl_y+=sinf((half_max_r+plr_y)*0.01)*mul; 
     }
-    /*if(glfwGetKey(w,GLFW_KEY_M))
-      NUU+=0.001;
-    if(glfwGetKey(w,GLFW_KEY_N))
-      NUU-=0.001;
-    printf("%f\n",NUU);*/
-    //printf("%f %f %f\n",plr_y,cosf(plr_y*0.01),sinf(plr_y*0.01));
+    
     usleep(1000*1000/60);
     glfw_clear(w); 
     
-    if(glfwWindowShouldClose(w)||(glfwGetKey(w,GLFW_KEY_Q)))break;
-    //t = clock() - t;
+    if(glfwWindowShouldClose(w)||(glfwGetKey(w,GLFW_KEY_Q)))break; 
     frames+=1;
     if(((double)clock() - t)/CLOCKS_PER_SEC > 1){
       printf("%f fps\n",frames);
       frames=0;
       t = clock();
     }
-    //printf("took %f\n",((double)clock() - t)/CLOCKS_PER_SEC);
   }
   free(a->c);
   free(a->vert);
@@ -1064,6 +852,5 @@ int main(int argc,char*argv[]){
   glDeleteShader(fid);
   glDeleteShader(prog);
   info("killed window:p");
-  return 0;
-	
+  return 0;	
 }
diff --git a/src/point.c~ b/src/point.c~
index 8ae9b55..d587fb6 100644
--- a/src/point.c~
+++ b/src/point.c~
@@ -7,12 +7,49 @@
 double NUU = 0.0;
 double FL_DIS = 1e-10;
 double NaN = 0.0f/0.0f;
+
 typedef struct {
   double x;
   double y;
   double z;
   int vertex;
 } cord;
+cord poi_d(double x1,double y1,double x2, double y2,int len,GLfloat* pixels){
+	double m1 = (y2-y1)/(x2-x1);
+	double b1 = y1 - m1 * x1;
+	cord aa;
+	aa.x = 0;
+	aa.y = 0;
+	aa.z = -1;
+		
+	int coll = 0;
+	for(int yyu = 0; yyu!=len-1; yyu++){ 
+     
+  	double x3 = pixels[yyu*2];
+    double x4 = pixels[(yyu+1)*2];
+    double y3 = pixels[yyu*2+1];
+    double y4 = pixels[(yyu+1)*2+1];
+    double m2 = (y4-y3)/(x4-x3);
+       
+    double b2 = y3 - m2 * x3;
+
+    double nsx = (b2-b1)/(m1-m2);
+    double nsy = m1*nsx+b1;
+     
+    if(!(nsx >= greater(lesser(x1, x2), lesser(x3, x4)) && nsx <= lesser(greater(x1, x2), greater(x3, x4)))
+          
+					||(diff(nsx,x2)<FL_DIS&&diff(nsy,y2)<FL_DIS)
+					||(diff(nsx,x1)<FL_DIS&&diff(nsy,y1)<FL_DIS))
+          continue;	
+			aa.x = nsx;
+			aa.y = nsy;
+			aa.z = 1;
+			coll=1;
+			break; 
+  }
+	return aa;
+}
+
 typedef struct {
   float r;
   float g;
@@ -83,12 +120,7 @@ GLuint build_shader(GLuint vertid, GLuint fragid){
   glLinkProgram(progid);
   return progid;
 }
-point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
-  
-  //double xx[5] = {5.0,5.0,50.0,5.0,5.0};
-  //double yy[5] = {5.0,5.0,5.0,5.0,10.0};
-  //double zz[5] = {10.0,5.0,5.0,5.0,5.0};
-  //int n = 5-1;
+point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){ 
   
   n-=1;
 
@@ -111,13 +143,8 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
     for(int i = 0; i <=n;i++){
       double pp = binomial(n,i) * pow((1 - t),(n - i)) * pow(t,i);
       bcx +=  pp * xx[i];
-      bcy +=  pp * yy[i];
-      //if(ii==3){
-      //  printf("pp: %f bi : %f p1 : %f p2 : %f| %f, %f, %f\n",pp,binomial(n,i),bcx,bcy,bcz,pow((1-t),(n-i)),pow(t,i));
-      //}
-    }
-    //int ii = floor(100*(double)(t/1.0));
-    //printf("%i\n",iy);
+      bcy +=  pp * yy[i]; 
+    } 
     pa->c[iy].at.x = bcx;
     pa->c[iy].at.y = bcy;
     pa->c[iy].at.vertex = 0;
@@ -130,7 +157,6 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
     pa->c[iy].color.r = rr;
     pa->c[iy].color.g = gg;
     pa->c[iy].color.b = bb;
-    //printf("(%f,%f,%f)\n",bcx,bcy,bcz);
   }
   for(int i = 0; i<=n; i++){
     pa->vert[i].at.x = xx[i];
@@ -139,30 +165,44 @@ point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
   pa->vlen = n; 
   return pa;
 }
-void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ctz,double cx, double cy, double cz){
-  //double cx = -100;
-  //double cy = 0;
-  //double cz = 0;
-  //double ctx = 0;
-  //double cty = 0;
-  //double ctz = 0;
-  //cz=100-cz;
-  //printf("%i\n",glGetError());
-  //glColor3f(1.0f,0.0f,0.0f);
-  //GLfloat* pixels = malloc(sizeof(*pixels)*c->len*5);
-  //printf("s\n");
-  //GLfloat pixels[(int)ceil(c->len*3)];
-  //GLfloat colors[(int)ceil(c->len*3)];
+typedef struct {
+	GLfloat* pix;
+	GLfloat* col;
+	int len;
+} glfl_ar;
+void render_p(glfl_ar* bba){
+	GLuint verta;
+  glGenVertexArrays(1,&verta);
+  glBindVertexArray(verta);
+
+  GLuint vetb;
+  glGenBuffers(1,&vetb);
+  glBindBuffer(GL_ARRAY_BUFFER,vetb);
+  glBufferData(GL_ARRAY_BUFFER,sizeof(*bba->pix)*(bba->len*3),bba->pix,GL_STATIC_DRAW);
+  
+  glEnableVertexAttribArray(0);
+  glBindBuffer(GL_ARRAY_BUFFER,vetb);
+  glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,(void*)0);
+  
+  GLuint colb;
+  glGenBuffers(1,&colb);
+  glBindBuffer(GL_ARRAY_BUFFER,colb);
+  glBufferData(GL_ARRAY_BUFFER,sizeof(*bba->col)*(bba->len*4),bba->col,GL_STATIC_DRAW);
+
+  glEnableVertexAttribArray(1);
+  glBindBuffer(GL_ARRAY_BUFFER,colb);
+  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
+
+  glDrawArrays(GL_POINTS,0,bba->len);
+  glDeleteBuffers(1,&vetb);
+  glDeleteBuffers(1,&colb);
+}
+glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ctz,double cx, double cy, double cz){ 
   GLfloat* pixels = malloc(sizeof(*pixels)*((1+c->len)*4));
-  //GLfloat* abpixels = malloc(sizeof(*abpixels)*(c->len*3));
   GLfloat* colors = malloc(sizeof(*colors)*((1+c->len)*4));
-  //GLfloat* colors = malloc(sizeof(*colors)*c->len*4);
   if(pixels==NULL||colors==NULL)
     err("failed to allocate perspective array:(",pexit);
-  
-  
-  //glfwSwapBuffers(b);
-  //return;
+   
   double coy = cos(cty);
   double siz = sin(ctz);
   double coz = cos(ctz);
@@ -171,22 +211,14 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
   double cox = cos(ctx);
   double fov = 0.002;
   double ex = cx;
-  double ey = cy;
-  //glfwGetFramebufferSize(b,&w,&h);
-  refresh_size(b);
-  //glColor3f(1.0f,0.0f,0.0f);
-  //double ez = 1/tan(fov/2);
-  //glBegin(GL_POINTS);
-  //printf("e\n");
-  //printf("---\n");
+  double ey = cy; 
+  refresh_size(b); 
   GLuint fb = 0;
   int c_len = 0;
   //double ez=1/tan(fov/2); //i dont get this at all
   double ez=get_w()*2;
-  //glGenFramebuffers(1,&fb);
   glEnableClientState(GL_VERTEX_ARRAY);
-  //glEnableClientState(GL_VERTEX_ARRAY);
-  //glEnableClientState(GL_COLOR_ARRAY);
+  
   for(int i = 0; i!=c->len; i++){
     double ax = c->c[i].at.x;
     double ay = c->c[i].at.y;
@@ -197,42 +229,20 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     double dx = coy * (siz*(ay-cy) + coz*(ax-cx)) - (siy*(az-cz));
     double dy = six * yzm + cox*eyz;
     double dz = cox * yzm - six*eyz; 
-    
-    //printf("%f %f %f, %f %f\n",dx,dy,ez,ez/dz*dx+dx,dy*ez);
+   
     double bx = ez/dz*dx+dx;
-    double by = ez/dz*dy+dy;
-    //printf("%f %f | %f %f %f\n",bx,by,ctx,cty,ctz);
-    //int aaa = round((150-dz)/2);
+    double by = ez/dz*dy+dy; 
     if(dz>-1){
       ab_to_vp(xa,ya,get_w(),get_h(),bx,by);
-      //printf("%f\n",dz);
-    //return;
-    //printf("%i:%f %f | %f %f\n",i*2,xa,ya,bx,by);
-    //return;
-      //if(c->c[i].at.vertex&&i==4800)
-      //  printf("%i : %f:%f %f:%f\n",i,bx,xa,by,ya);
       pixels[c_len*2] = xa+1;
       pixels[c_len*2+1] = ya;
-      //abpixels[i*2] = bx;
-      //abpixels[i*2+1] = by;
       colors[c_len*3] = c->c[i].color.r;
       colors[c_len*3+1] = c->c[i].color.g;
       colors[c_len*3+2] = c->c[i].color.b;
       c_len++;
-    }/* else {
-      pixels[i*2] = -20;
-      pixels[i*2+1]= -20;
-      //abpixels[i*2] = -20;
-      //abpixels[i*2+1]= -20;
-      colors[i*3] = 0.0f;
-      colors[i*3+1] = 1.0f;
-      colors[i*3+2] = 0.0f; 
-    }*/
-    //glfw_circle_partial(b,nearbyint(bx),nearbyint(by),/*(0>=aaa?1:*/1/*)*/); 
-    //glfw_pixel_partial(b,round(bx),round(by)); 
+    }
   }
-  //int c_len = c->len;
-  //connect all vertcies
+  
   double fc_len = c_len;
   for(int i = 0; i<=fc_len-1; i++){
     double x22[2] = {pixels[i*2],pixels[(i+1)*2]};
@@ -252,48 +262,35 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     free(bas->vert);
     free(bas);
   }
-  //c->len = c_len;
   double dclen = c_len;
-  //highlight vertic
   int vvi = 0;
   
-  //printf("l:%i\n",c_len);
-  //printf("%i\n",c_len);
   glfl_m* trline = malloc(sizeof(*trline)*get_w()*30);
   trline->len = 0;
-  //printf("ss\n");
   trline->at = malloc(sizeof(*trline->at)*get_w()*40);
   for(int i = 0; i<=c->len; i++){
     if(c->c[i].at.vertex==1){ 
       if(pixels==NULL||colors==NULL)
         abort();
       vvi++;
-      //printf("%i\n",i);
-      //printf("%i\n",i);
-      //printf("%i : %f %f\n",i,pixels[i*2],pixels[i*2+1]);
-      //trline.at = realloc(trline.at,sizeof(*trline.at)*(vvi+1));
-      //printf("1\n");
-      //trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*(get_w()+(trline->len+1))*20);
+      
       trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*(c_len+get_w()*2)*30);
       trline->at[trline->len].len = 0;
-      //printf("2\n");
       double ttt = -1.0;
       int p_b = 0;
       int p_b2 = 0;
       int p_b3 = 0;
       int p_b4 = 0;
       double ttt2 = 1.0;
-      //printf("%f\n",NUU);
      
       int found1 = 1;
       int found2 = 1;
-      for(int jj = 0; jj<=dclen-1; jj++){
+      
+			for(int jj = 0; jj<=dclen-1; jj++){
         float sad = 3.0f;
         float sad2 = 30.0f;
         if(pixels[jj*2]<pixels[i*2]&&diff(pixels[jj*2],pixels[i*2])>(float)sad2/get_w()
           &&diff(pixels[jj*2+1],pixels[i*2+1])<(float)sad/get_w()&&i!=jj){
-          //printf("%f %f\n",ttt,pixels[jj*2]);
-          //if(ttt<pixels[jj*2])
           p_b=1;
           if(pixels[jj*2]>ttt)
             ttt=pixels[jj*2];
@@ -301,17 +298,12 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         }
         if(diff(pixels[jj*2],pixels[i*2])>(float)sad2/get_w()
           &&diff(pixels[jj*2+1],pixels[i*2+1])<(float)sad/get_w()&&i!=jj&&
-          pixels[jj*2]>pixels[i*2]){
-          //printf("%f %f\n",ttt,pixels[jj*2]);
-          //if(ttt<pixels[jj*2])
+          pixels[jj*2]>pixels[i*2]){ 
           p_b2=1;
-          //printf("sss\n");
-          //printf("%i/%f, %f %f\n",jj,c->len,pixels[jj*2],ttt2);
-          //printf("aaa\n");
+          
           if(pixels[jj*2]<ttt2)
             ttt2=pixels[jj*2];
-          //printf("lll\n");
-           
+          
         }
         if(diff(pixels[jj*2+1],pixels[i*2+1])>(float)sad/get_w()
           &&diff(pixels[jj*2],pixels[i*2])<(float)sad2/get_w()&&i!=jj&&pixels[jj*2+1]>pixels[i*2+1]){
@@ -323,38 +315,25 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         }
         
       }
-    //printf("%i\n",trline->len);
-    //printf("aaaa\n");
+    
     if(!p_b3||!p_b4){
         free(trline->at[trline->len].at);
-        //printf("fffff\n");
+        
         continue;
     }
-    //printf("aaa\n");
-    //printf("%f %f\n",ttt,ttt2);
-    //printf("%i : %f %f\n",i,ttt,ttt2);
-    //printf("3\n");
-   // printf("%f\n",NUU);
+		
     
     double cb = 1.0;
     double sb = 1.0/get_w();
     double ib = cb/get_w();
     if(p_b)
-      for(double zz = pixels[i*2]; diff(zz,ttt)>ib&&zz>-1;zz-=(float)sb){
-        //printf("4 %lu\n",sizeof *pixels *((c_len+1)*3));
-        //trline->at[trline->len].at = realloc(trline->at[trline->len].at,sizeof(*trline->at[trline->len].at)*(trline->at[trline->len].len+1)*30); 
-        pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
-        //printf("4.5\n");
+      for(double zz = pixels[i*2]; diff(zz,ttt)>ib&&zz>-1;zz-=(float)sb){ 
+        pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3)); 
         colors = realloc(colors,sizeof *colors *((c_len+1)*4));
-        int brea = 0;
-        //printf("5\n");
         trline->at[trline->len].at[trline->at[trline->len].len*2] = zz;
-        //printf("6\n");
         trline->at[trline->len].at[trline->at[trline->len].len*2+1] = pixels[i*2+1];
-        //printf("7\n");
         pixels[c_len*2] = zz;
         pixels[c_len*2+1] = pixels[i*2+1]; 
-        //printf("8\n");
         colors[c_len*3] = 0.1f;
         colors[c_len*3+1] = vvi==3?0.1f:vvi==4?0.5f:1.0f; 
         colors[c_len*3+2] = 1.0f; 
@@ -362,17 +341,15 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
         trline->at[trline->len].len++;
 
        
-      }
-    //printf("4\n");
+      } 
     if(p_b2)
       for(double zz = pixels[i*2]; diff(zz,ttt2)>ib&&zz<1;zz+=(float)sb){
-        //trline->at[trline->len].at = realloc(trline->at[trline->len].at,sizeof(*trline->at[trline->len].at)*(trline->at[trline->len].len+1)*30);
+      
         pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
         colors = realloc(colors,sizeof *colors *((c_len+1)*4));
         int brea = 0;
         trline->at[trline->len].at[trline->at[trline->len].len*2] = zz;
         trline->at[trline->len].at[trline->at[trline->len].len*2+1] = pixels[i*2+1];
-        //printf("%f %f\n",zz,ttt2);    
         pixels[c_len*2] = zz;
         pixels[c_len*2+1] = pixels[i*2+1]; 
         colors[c_len*3] = 0.1f;
@@ -387,30 +364,20 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     trline->len++;
     }
   }
-  //printf("aa\n");
-  //printf(">>>\n");
+
   if(trline->len>1){
-  for(int ii = 0; ii!=trline->len-1; ii++){
-    //printf("[%i] %f %i < %f %i\n",ii,trline->at[ii].at[3],trline->at[ii].len,trline->at[ii+1].at[3],trline->at[ii+1].len);
+  for(int ii = 0; ii!=trline->len-1; ii++){ 
     if(trline->at[ii].at[3]<trline->at[ii+1].at[3]){
-      //printf("swapped\n");
       glfl_a temp = trline->at[ii];
       trline->at[ii] = trline->at[ii+1];
       trline->at[ii+1] = temp;
       ii=-1;
     }
       
-  }}/*
-  printf("---\n");
-  for(int ii = 0; ii!=trline->len;ii++){
-    printf("%f %i\n",trline->at[ii].at[3],trline->at[ii].len);   
-  }*/
+  }}
   double ffclen = c_len;
-	//printf("---\n");
-	//printf("%i\n",trline->len);
-  double ite = ((float)get_w()/4);
 
-	double lmax_t = -2.0;
+  double lmax_t = -2.0;
   double lmin_t = 2.0;
   double lmax2_t = -2.0;
   double lmin2_t = 2.0;
@@ -420,7 +387,6 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     double max2_t = -2.0;
     double min2_t = 2.0;
     for(int zzi2 = 0; zzi2!=trline->at[zzi].len;zzi2++){
-      //printf("(%f %f):\n",trline.at[zzi].at[zzi2*2],trline.at[zzi].at[zzi2*2+1]); 
       if(max_t<trline->at[zzi].at[zzi2*2]){
       	max_t = trline->at[zzi].at[zzi2*2];
       	max2_t = trline->at[zzi].at[zzi2*2+1];
@@ -429,15 +395,14 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
       	min_t = trline->at[zzi].at[zzi2*2];
       	min2_t = trline->at[zzi].at[zzi2*2+1];
       }
-      //min_t = (min_t>trline.at[zzi].at[zzi2]?trline.at[zzi].at[zzi2]:min_t); 
+       
     }
-    // printf("%i\n",zzi);
+    
     free(trline->at[zzi].at);
-    //printf("lls\n");
 		if (trline->at[zzi].len == 0)
       continue; 
     if(lmax2_t!=max2_t&&lmin_t!=2.0&&lmax_t!=-2.0){
-			//printf("ll\n");
+
     float color = (float)zzi/trline->len;
     float color2 = 1.0f-((float)zzi/trline->len);
     double di = pow(lmin_t-max_t,2)+pow(lmin2_t-max2_t,2);//sqrt should be used here
@@ -456,12 +421,13 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     	ux2 = lmax_t;
     	uy2 = lmax2_t;
     }
-    //printf("%f %f >> %f %f (f,%f) | %f %f\n",di,di2,ux1,uy1,min_t,ux2,uy2);
+    
     color2 = 1.0f;
     
 		double x1 = ma_to_mi?max_t:min_t;
     double x2 = ma_to_mi?lmin_t:lmax_t;
-		
+		double ite = ((float)get_w()/4);
+	
 		double ite1 = fabs(max_t/ite);
 		double ite2 = fabs(lmax_t/ite);
 	
@@ -470,58 +436,20 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
 		
 		for(;(ma_to_mi?x1>=x2:x1<=x2);(ma_to_mi?(x1-=ite1):(x1+=ite2))){	
 		
-		double m1 = (y2-y1)/(x2-x1);
-		double b1 = y1 - m1 * x1;
-		
-		
-		int coll = 0;
-		for(int yyu = 0; yyu!=fc_len-1; yyu++){ 
-     
-      double x3 = pixels[yyu*2];
-      double x4 = pixels[(yyu+1)*2];
-      double y3 = pixels[yyu*2+1];
-      double y4 = pixels[(yyu+1)*2+1];
-      double m2 = (y4-y3)/(x4-x3);
-       
-      double b2 = y3 - m2 * x3;
-
-      double nsx = (b2-b1)/(m1-m2);
-      double nsy = m1*nsx+b1;
-     
-      if(!(nsx >= greater(lesser(x1, x2), lesser(x3, x4)) && nsx <= lesser(greater(x1, x2), greater(x3, x4)))
-          //||(nsx<x1||nsx>x2||nsy<y1||nsy>y2)
-					||(diff(nsx,x2)<FL_DIS&&diff(nsy,y2)<FL_DIS)
-					||(diff(nsx,x1)<FL_DIS&&diff(nsy,y1)<FL_DIS))
-          continue;
-			/*
-      pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-      colors = realloc(colors,sizeof *colors *((c_len+1)*5));  
-      pixels[c_len*2] = nsx;
-      pixels[c_len*2+1] = nsy; 
-      colors[c_len*3] = 1.0f;//yyu/(fc_len-1);
-      colors[c_len*3+1] = 0.5f;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-      colors[c_len*3+2] = 1.0f;//-yyu/(fc_len-1); 
-      c_len++;*/
-			coll=1;
-			break;
-			//printf("aaa\n");
-      //printf("%f,%f,%f,%f,%f,%f %f,%f,%f,%f,%f,%f,  %f %f\n",x1,y1,x2,y2,m1,b1, x3,y3,x4,y4,m2,b2,nsx,nsy);
-      //printf("(%f,%f) -> (%f,%f) :: x:%f,y:%f\n",ux1,uy1,ux2,uy2,nsx,nsy); 
-    }
+		cord aaaa = poi_d(x1,y1,x2,y2,fc_len,pixels);	
     
-		if(coll){
+		if(aaaa.z==1){
 			continue;
 		}
 		double bb[] = {x1,x2};
     double bb2[] = {y1, y2};
     point_arr* asd = basier2d(bb,bb2,2,0.1,0.1,0.1);
 		
-    for(int lli = 0; !coll&&lli!=asd->len; lli++){
+    for(int lli = 0; lli!=asd->len; lli++){
     	pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
     	colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
     	double dd = 10;
-    	//if(diff(asd->c[lli].at.x,ex)<(float)dd/get_w()&&diff(asd->c[lli].at.y,ey)<(float)dd/get_w())
-     	// break;
+    	
     	pixels[c_len*2] = asd->c[lli].at.x;
     	pixels[c_len*2+1] = asd->c[lli].at.y; 
     	colors[c_len*3] = color2;
@@ -534,113 +462,23 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
     free(asd);
 		break;
 		}
-		/*
-    pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-    colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
-    //ab_to_vp(nn1,nn2,get_w(),get_h(),abba->c[hhi].at.x,abba->c[hhi].at.y)
-        //printf("%f->%f %f->%f\n",abba->c[hhi].at.x,nn1,abba->c[hhi].at.y,nn2);
-    pixels[c_len*2] = ux1;
-    pixels[c_len*2+1] = uy1; 
-    colors[c_len*3] = color2;
-    colors[c_len*3+1] = color;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-    colors[c_len*3+2] = 0.0f; 
-    c_len++;
-    
-    pixels = realloc(pixels,sizeof *pixels *((c_len+1)*4));
-    colors = realloc(colors,sizeof *colors *((c_len+1)*5)); 
-    //ab_to_vp(nn1,nn2,get_w(),get_h(),abba->c[hhi].at.x,abba->c[hhi].at.y)
-        //printf("%f->%f %f->%f\n",abba->c[hhi].at.x,nn1,abba->c[hhi].at.y,nn2);
-    pixels[c_len*2] = ux2;
-    pixels[c_len*2+1] = uy2; 
-    colors[c_len*3] = color2;
-    colors[c_len*3+1] = color;//vvi==3?0.1f:vvi==4?0.5f:1.0f; 
-    colors[c_len*3+2] = 0.0f;
-    c_len++;*/
+		
     }
     lmax_t = max_t;
     lmin_t = min_t;
     lmax2_t = max2_t;
     lmin2_t = min2_t; 
   }
-  //printf("done\n");
   free(trline->at);
   free(trline);
-  //return;
   glPointSize(4.0f);
-  //glUseProgram(prog);
-  //glVertexAttribPointer(0,3,GL_FLOAT,0, 7*4,0);
-  //glVertexAttribPointer(3,4,GL_FLOAT,0, 7*4,3*4);
-  //GLint posAttrib = glGetAttribLocation(0,"position");
-  //GLuint vertbuff;
-  //glGenBuffers(1,&vertexBufferObject);
-  //for(int i = 0; i!=c->len*3; i++){
-  //  colors[i] = 1.0f;
-  //} 
-  /*GLint uni = glGetUniformLocation(prog,"r");
-  glUniform1f(uni,1.0);
-  uni = glGetUniformLocation(prog,"g");
-  glUniform1f(uni,0.2);
-  uni = glGetUniformLocation(prog,"b");
-  glUniform1f(uni,0.3);*/
-  /*glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)0);
-  glEnableVertexAttribArray(0);
-  int aaa3 = c->len/2*sizeof(float);
-  glVertexAttribPointer(2,5,GL_FLOAT,GL_FALSE, c->len/2*sizeof(float),(void*)(&aaa3));
-  glEnableVertexAttribArray(1);*/
- /* GLuint colorb;
-  glGenBuffers(1,&colorb);
-  glBindBuffer(GL_ARRAY_BUFFER,colorb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(colors),colors,GL_STATIC_DRAW);
-  glEnableVertexAttribArray(1);
-  glBindBuffer(GL_ARRAY_BUFFER,colorb);
-  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
-*/// return; 
    
-  GLuint verta;
-  glGenVertexArrays(1,&verta);
-  glBindVertexArray(verta);
-
-  GLuint vetb;
-  glGenBuffers(1,&vetb);
-  glBindBuffer(GL_ARRAY_BUFFER,vetb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(*pixels)*(c_len*3),pixels,GL_STATIC_DRAW);
-  
-  glEnableVertexAttribArray(0);
-  glBindBuffer(GL_ARRAY_BUFFER,vetb);
-  glVertexAttribPointer(0,2,GL_FLOAT,GL_FALSE,0,(void*)0);
-  
-  GLuint colb;
-  glGenBuffers(1,&colb);
-  glBindBuffer(GL_ARRAY_BUFFER,colb);
-  glBufferData(GL_ARRAY_BUFFER,sizeof(*colors)*(c_len*4),colors,GL_STATIC_DRAW);
-
-  glEnableVertexAttribArray(1);
-  glBindBuffer(GL_ARRAY_BUFFER,colb);
-  glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
+  glfl_ar* rea = malloc(sizeof(*rea));
+	rea->col = colors;
+	rea->pix = pixels;
+	rea->len = c_len;
 
-  glDrawArrays(GL_POINTS,0,c_len);
-  glDeleteBuffers(1,&vetb);
-  glDeleteBuffers(1,&colb);
-  free(pixels);
-  free(colors);
-  //free(abpixels);
-  //printf("aa\n");
-  //glDisableVertexAttribArray(0);
-  //glDisableVertexAttribArray(1);
-  //glVertexPointer(2,GL_FLOAT,0,pixels);
-  //glVertexPointer(3,GL_FLOAT,0,colors);
-  //glDrawArrays(GL_POINTS,0,c->len);
-  //glDisableClientState(GL_VERTEX_ARRAY);
-  //glDisableClientState(GL_COLOR_ARRAY);
-  //free(pixels);
-  //free(colors);
-  /*for(int i = 0; i!=get_w();i++){
-    glfw_pixel(b,i,get_h()/2);
-  }
-  for(int i = 0; i!=get_h();i++){
-    glfw_pixel(b,get_w()/2,i);
-  }*/
-  //glEnd();
+	return rea; 
 }
 point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, float bb){
   point_arr* pa;
@@ -649,13 +487,7 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
   pa->vert = malloc(sizeof(*pa->vert)*(n*60));
 
   if(pa->c==NULL||pa->vert==NULL)
-    err("failed to allocate basier array",pexit);
-  
-  //double xx[5] = {5.0,5.0,50.0,5.0,5.0};
-  //double yy[5] = {5.0,5.0,5.0,5.0,10.0};
-  //double zz[5] = {10.0,5.0,5.0,5.0,5.0};
-  //int n = 5-1;
-  
+    err("failed to allocate basier array",pexit); 
   n-=1;
 
   
@@ -671,13 +503,8 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
       double pp = binomial(n,i) * pow((1 - t),(n - i)) * pow(t,i);
       bcx +=  pp * xx[i];
       bcy +=  pp * yy[i];
-      bcz +=  pp * zz[i];
-      //if(ii==3){
-      //  printf("pp: %f bi : %f p1 : %f p2 : %f| %f, %f, %f\n",pp,binomial(n,i),bcx,bcy,bcz,pow((1-t),(n-i)),pow(t,i));
-      //}
-    }
-    //int ii = floor(100*(double)(t/1.0));
-    //printf("%i\n",iy);
+      bcz +=  pp * zz[i]; 
+    } 
     pa->c[iy].at.x = bcx;
     pa->c[iy].at.y = bcy;
     pa->c[iy].at.z = bcz;
@@ -691,27 +518,16 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
     pa->c[iy].color.r = rr;
     pa->c[iy].color.g = gg;
     pa->c[iy].color.b = bb;
-    //printf("(%f,%f,%f)\n",bcx,bcy,bcz);
   }
   for(int i = 0; i<=n; i++){
     pa->vert[i].at.x = xx[i];
     pa->vert[i].at.y = yy[i]; 
     pa->vert[i].at.z = zz[i]; 
   }
-  pa->vlen = n;
-  //bw b = sdl_init();
-  /*for(int i = 0; i!=100; i ++){
-    SDL_SetRenderDrawColor(b.r,0,255-255*(pa[i].z/100),0,255);
-    SDL_RenderDrawPoint(b.r,pa[i].x,pa[i].y);
-    sdl_circle(b,round(pa[i].x),round(pa[i].y),round(100-pa[i].z));
-    //printf("%i : (%f,%f,%f)\n",i,pa[i].x,pa[i].y,(100-pa[i].z));
-  }*/
-  //perspective_proj(b,pa,100);
-  //sdl_loop(b);
+  pa->vlen = n; 
   return pa;
 }
 void join_cords(point_arr* a, point_arr* b){
-  //printf("%lu\n",sizeof(*a)*(a_len+b_len+2));
   int a_len = a->len;
   int a_vlen = a->vlen;
   a->c = realloc(a->c,sizeof(*a->c)*(a->len+b->len)*60);
@@ -721,37 +537,66 @@ void join_cords(point_arr* a, point_arr* b){
   if(a->c==NULL)
     err("failed to reallocate cords",pexit);
   for(int i = 0; i<=b->len; i++){
-    //printf("%i/%f\n",i,b->len);
     a->c[a_len+i].at = b->c[i].at; 
     a->c[a_len+i].color = b->c[i].color; 
   }
   for(int i = 0; i<=b->vlen; i++){
-    //printf("%i/%f\n",i,b->len);
-    a->vert[a_vlen+i].at = b->vert[i].at; 
-    //a->vert[a_len+i].color = b->vert[i].color; 
+    a->vert[a_vlen+i].at = b->vert[i].at;  
+  }
+}
+void join_glfl_a(glfl_ar* a, glfl_ar* b){ 
+  int a_len = a->len;
+  a->pix = realloc(a->pix,sizeof(*a->pix)*(a->len+b->len)*60);
+  a->col = realloc(a->col,sizeof(*a->col)*(a->len+b->len)*60);
+  
+	a->len+=b->len;
+  
+  if(a->pix==NULL||a->col==NULL)
+    err("failed to reallocate float array",pexit);
+  for(int i = 0; i<=b->len*2; i++){
+    a->pix[a_len*2+i] = b->pix[i];  
+  }
+	for(int i = 0; i<=b->len*3; i++){
+    a->col[a_len*3+i] = b->col[i];  
   }
-  //return a.len+b.len;
+}
+point_arr* polygon3d(double* vx, double*vy, double* vz, int n){
+  double xx[2] = {vx[0],vx[1]};
+  double yy[2] = {vy[0],vy[1]};
+  double zz[2] = {vz[0],vz[1]};
+  point_arr* y = basier3d(xx,yy,zz,2,1.0f,0.0f,0.5f);
+  for(int i = 1; i<=n-2; i++){
+    double xx1[2] = {vx[i],vx[i+1]};
+    double yy1[2] = {vy[i],vy[i+1]};
+    double zz1[2] = {vz[i],vz[i+1]};
+    point_arr* aa = basier3d(xx1,yy1,zz1,2,1.0f,0.0f,0.5f);
+    join_cords(y,aa);
+    free(aa->c);
+    free(aa->vert);
+    free(aa); 
+  }
+  return y;
 }
 point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, float gg, float bb){
   double xx[3] = {tl[0],tr[0]};
   double yy[3] = {tl[1],tr[1]};
   double zz[3] = {tl[2],tr[2]};
-  point_arr* a = basier3d(xx,yy,zz,2,rr,gg,bb);
+  point_arr* a = polygon3d(xx,yy,zz,2);
   
   double xx1[3] = {tl[0],bl[0]};
   double yy1[3] = {tl[1],bl[1]};
   double zz1[3] = {tl[2],bl[2]};
-  point_arr* b = basier3d(xx1,yy1,zz1,2,rr,gg,bb);
+  point_arr* b = polygon3d(xx1,yy1,zz1,2);
   
   double xx2[3] = {tr[0],br[0]};
   double yy2[3] = {tr[1],br[1]};
   double zz2[3] = {tr[2],br[2]};
-  point_arr* c = basier3d(xx2,yy2,zz2,2,rr,gg,bb);
+  point_arr* c = polygon3d(xx2,yy2,zz2,2);
   
   double xx3[3] = {bl[0],br[0]};
   double yy3[3] = {bl[1],br[1]};
   double zz3[3] = {bl[2],br[2]};
-  point_arr* d = basier3d(xx3,yy3,zz3,2,rr,gg,bb);
+  point_arr* d = polygon3d(xx3,yy3,zz3,2);
   
   join_cords(a,b);
   join_cords(a,c);
@@ -768,7 +613,6 @@ point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, fl
   return a;
 }
 void fill3d(point_arr* a){
-  //printf("AAA");
   warn("please dont use this lol");
   double m_x = 0.0;
   double m_y = 0.0;
@@ -789,18 +633,17 @@ void fill3d(point_arr* a){
       mi_y = a->c[i].at.y; 
     if(a->c[i].at.z<mi_z||mi_z==0)
       mi_z = a->c[i].at.z; 
-  }
-  //printf("%f %f %f | %f %f %f\n",m_x,m_y,m_z,mi_x,mi_y,mi_z);
+  } 
   int a_l = a->len;
   a->c = realloc(a->c,sizeof(*a->c)*(m_x*m_y+a->len)*60);
   for(double y = mi_y; y<=m_y; y+=.1){
-    //printf("%f/%f\n",y,m_y);
+    
     double* zz = malloc(sizeof(*zz));
     int zzl = 0;
     double* xx = malloc(sizeof(*xx));
     double* yy = malloc(sizeof(*yy));
     for(int i = 0; i<=a_l; i++){
-      //printf("%i/%f\n",i,a->len);
+      
       if(diff(a->c[i].at.y,y)<.1){
         zz = realloc(zz,sizeof(*zz)*(zzl+1));
         zz[zzl] = a->c[i].at.z;
@@ -819,38 +662,12 @@ void fill3d(point_arr* a){
     free(yy);
     free(zz);
   }
-  /*for(int i = 0; i!=a->len+m_x*m_y; i++){
-    a->c[i].at.x = ;
-    a->c[i].at.y = fmod(i,m_y); 
-    a->c[i].at.z = 20;   
-    a->c[i].color.r = 0.0f;
-    a->c[i].color.g = 1.0f; 
-    a->c[i].color.b = 0.1f; 
-  }*/
-  /*
-  for(int y = mi_y; y<=m_y; y++){
-    for(int x = mi_x; x<=m_x; x++){
-      a->len++;
-      int i = a->len;
-     // printf("%i\n",i);
-      a->c[a_l+i].at.x = x;
-      a->c[a_l+i].at.y = y; 
-      a->c[a_l+i].at.z = mi_z;   
-      a->c[a_l+i].color.r = 0.0f;
-      a->c[a_l+i].color.g = 1.0f; 
-      a->c[a_l+i].color.b = 0.1f; 
-    }
-  }
-  printf("done\n");
-  */ 
-  //join_cords(a,bb);
 }
 point_arr* cube_gen(double* tl, double* tr, double* bl, double*br,
                double* tl2, double* tr2, double* bl2, double*br2,
                     float rr, float gg, float bb){
    
   point_arr* a = square_gen(tl,tr,bl,br,rr,gg,bb); 
-  //fill3d(a);
   point_arr* b = square_gen(tl2,tr2,bl2,br2,rr,gg,bb); 
   double s;
   join_cords(a,b);
@@ -880,23 +697,6 @@ point_arr* cube_gen(double* tl, double* tr, double* bl, double*br,
   free(f);
   return a;
 }
-point_arr* polygon3d(double* vx, double*vy, double* vz, int n){
-  double xx[2] = {vx[0],vx[1]};
-  double yy[2] = {vy[0],vy[1]};
-  double zz[2] = {vz[0],vz[1]};
-  point_arr* y = basier3d(xx,yy,zz,2,1.0f,0.0f,0.5f);
-  for(int i = 1; i<=n-2; i++){
-    double xx1[2] = {vx[i],vx[i+1]};
-    double yy1[2] = {vy[i],vy[i+1]};
-    double zz1[2] = {vz[i],vz[i+1]};
-    point_arr* aa = basier3d(xx1,yy1,zz1,2,1.0f,0.0f,0.5f);
-    join_cords(y,aa);
-    free(aa->c);
-    free(aa->vert);
-    free(aa); 
-  }
-  return y;
-}
 int main(int argc,char*argv[]){
   flag_handle(argc,argv);
   atexit(sig_handle);
@@ -930,15 +730,13 @@ int main(int argc,char*argv[]){
   double zz[8] = {50.0,50.0,50.0,50.0,50.0,50.0,50.0,50.0};
   point_arr* a = polygon3d(xx,yy,zz,8);
   
+  double xx2[8] = {0.0, 15.0, 50.0, 60.0,20.0,10.0, 0.0,0.0};
+  double yy2[8] = {5.0, 15.0, 30.0, 20.0,64.0, 45.0,55.0,5.0};
+  double zz2[8] = {50.0,50.0,50.0,50.0,50.0,50.0,50.0,50.0};
+  point_arr* a2 = polygon3d(xx2,yy2,zz2,8);
   
-  /*for(int i = 0;i!=a->vlen;i++){
-    printf("%f %f %f\n",a->vert[i].at.x,a->vert[i].at.y,a->vert[i].at.z);
-  }*/
-  //exit(0);
   int max_r = 630;
   double half_max_r = (double)max_r/2/2;
-  //printf("%s\n",glGetString(GL_VERSION));
-  //glfwSetKeyCallback(w,key_press);
   double pl_x = 0;
   double pl_y = 0;
   double pl_z = 0;
@@ -956,13 +754,14 @@ int main(int argc,char*argv[]){
     double p5 = -pl_y+pl_z;
     double p6 = pl_x;
     
-    perspective_proj(w,a,p1,p2,p3,p4,p5,p6);
-    
-    glfw_load(w);
-    //break;
+    glfl_ar* bba = perspective_proj(w,a,p1,p2,p3,p4,p5,p6);	
+		render_p(bba);    	
+		free(bba->col);
+		free(bba->pix);
+		free(bba); 
+		glfw_load(w);
     int mod_move=2;
     double run_mul=2;
-    //usleep(10000);
     glfwPollEvents(); 
     if(glfwGetKey(w,GLFW_KEY_R)){
       pl_x = 0;
@@ -979,7 +778,6 @@ int main(int argc,char*argv[]){
       else 
         plr_x--;
     plr_x = fmod(plr_x,max_r);
-    //plr_y = fmod(plr_y,max_r);
     }
     if(glfwGetKey(w,GLFW_KEY_K)){
       if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
@@ -987,14 +785,12 @@ int main(int argc,char*argv[]){
       else 
         plr_x++;
     plr_x = fmod(plr_x,max_r);
-    //plr_y = fmod(plr_y,max_r);
     } 
     if(glfwGetKey(w,GLFW_KEY_J)){
       if(glfwGetKey(w,GLFW_KEY_LEFT_SHIFT))
         plr_y-=mod_move;
       else 
         plr_y--;
-    //plr_x = fmod(plr_x,max_r);
     plr_y = fmod(plr_y,max_r);
     } 
     if(glfwGetKey(w,GLFW_KEY_L)){
@@ -1002,7 +798,6 @@ int main(int argc,char*argv[]){
         plr_y+=mod_move;
       else 
         plr_y++;
-    //plr_x = fmod(plr_x,max_r);
     plr_y = fmod(plr_y,max_r);
     }
     
@@ -1013,7 +808,6 @@ int main(int argc,char*argv[]){
       pl_x+=cosf(plr_y*0.01)*mul;
       pl_y+=sinf(plr_y*0.01)*mul; 
       pl_z-=sinf(plr_x*0.01)*mul; 
-      //printf("%f\n",pl_z);
     }
     if(glfwGetKey(w,GLFW_KEY_S)){
       double mul = 1;
@@ -1037,24 +831,17 @@ int main(int argc,char*argv[]){
       pl_x+=cosf((half_max_r+plr_y)*0.01)*mul;
       pl_y+=sinf((half_max_r+plr_y)*0.01)*mul; 
     }
-    /*if(glfwGetKey(w,GLFW_KEY_M))
-      NUU+=0.001;
-    if(glfwGetKey(w,GLFW_KEY_N))
-      NUU-=0.001;
-    printf("%f\n",NUU);*/
-    //printf("%f %f %f\n",plr_y,cosf(plr_y*0.01),sinf(plr_y*0.01));
+    
     usleep(1000*1000/60);
     glfw_clear(w); 
     
-    if(glfwWindowShouldClose(w)||(glfwGetKey(w,GLFW_KEY_Q)))break;
-    //t = clock() - t;
+    if(glfwWindowShouldClose(w)||(glfwGetKey(w,GLFW_KEY_Q)))break; 
     frames+=1;
     if(((double)clock() - t)/CLOCKS_PER_SEC > 1){
       printf("%f fps\n",frames);
       frames=0;
       t = clock();
     }
-    //printf("took %f\n",((double)clock() - t)/CLOCKS_PER_SEC);
   }
   free(a->c);
   free(a->vert);
@@ -1065,6 +852,5 @@ int main(int argc,char*argv[]){
   glDeleteShader(fid);
   glDeleteShader(prog);
   info("killed window:p");
-  return 0;
-	
+  return 0;	
 }