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-rw-r--r--src/glfww.h1
-rw-r--r--src/point.c266
-rw-r--r--src/util.h5
3 files changed, 252 insertions, 20 deletions
diff --git a/src/glfww.h b/src/glfww.h
index de8f6d9..63952ca 100644
--- a/src/glfww.h
+++ b/src/glfww.h
@@ -12,6 +12,7 @@
#define win_clean() glfwTerminate();
#define ab_to_vp(x,y,w,h,x1,y1) float x = 2 * ((float)x1/(w)) -1;\
float y = 2 * ((float)y1/(h)) -1;
+#define vp_to_ab(w,x1) ((float)x1 +1.0/2)*w
GLFWwindow* glfw_init();
#define glfw_load(w) glfwSwapBuffers(w);
void glfw_loop(GLFWwindow*window);
diff --git a/src/point.c b/src/point.c
index ee684cb..a1ea027 100644
--- a/src/point.c
+++ b/src/point.c
@@ -3,10 +3,12 @@
#include <math.h>
#include "glfww.h"
#include <unistd.h>
+float NUU = 1;
typedef struct {
double x;
double y;
double z;
+ int vertex;
} cord;
typedef struct {
float r;
@@ -19,6 +21,8 @@ typedef struct {
} point;
typedef struct {
point* c;
+ point* vert;
+ double vlen;
double len;
} point_arr;
double binominal(int n, int k){
@@ -47,8 +51,6 @@ const char* vshader_src =
"#version 330\n"
"layout (location = 0) in vec3 pos;\n"
"layout (location = 1) in vec3 color;\n"
- //"in vec4 s_vPosition;\n"
- //"in vec5 aPos;\n"
"out vec3 ncolor;\n"
"void main(){\n"
"ncolor = color;\n"
@@ -91,12 +93,15 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//printf("%i\n",glGetError());
//glColor3f(1.0f,0.0f,0.0f);
//GLfloat* pixels = malloc(sizeof(*pixels)*c->len*5);
- GLfloat pixels[(int)ceil(c->len*15)];
- GLfloat colors[(int)ceil(c->len*15)];
-
+ //printf("s\n");
+ //GLfloat pixels[(int)ceil(c->len*3)];
+ //GLfloat colors[(int)ceil(c->len*3)];
+ GLfloat* pixels = malloc(sizeof(*pixels)*(c->len*3));
+ GLfloat* abpixels = malloc(sizeof(*abpixels)*(c->len*3));
+ GLfloat* colors = malloc(sizeof(*colors)*(c->len*3));
//GLfloat* colors = malloc(sizeof(*colors)*c->len*4);
- //if(pixels==NULL)
- // err("failed to allocate perspective array:(",pexit);
+ if(pixels==NULL||colors==NULL)
+ err("failed to allocate perspective array:(",pexit);
//glfwSwapBuffers(b);
@@ -115,6 +120,7 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//glColor3f(1.0f,0.0f,0.0f);
//double ez = 1/tan(fov/2);
//glBegin(GL_POINTS);
+ //printf("e\n");
GLuint fb = 0;
double ez=get_h()*2; //i dont get this at all
//glGenFramebuffers(1,&fb);
@@ -144,12 +150,16 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//return;
pixels[i*2] = xa+1;
pixels[i*2+1] = ya;
+ abpixels[i*2] = bx;
+ abpixels[i*2+1] = by;
colors[i*3] = c->c[i].color.r;
colors[i*3+1] = c->c[i].color.g;
colors[i*3+2] = c->c[i].color.b;
} 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;
@@ -157,6 +167,69 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
//glfw_circle_partial(b,nearbyint(bx),nearbyint(by),/*(0>=aaa?1:*/1/*)*/);
//glfw_pixel_partial(b,round(bx),round(by));
}
+ //highlight vertic
+ int c_len = c->len;
+ for(int i = 0; i<=c->len; i++){
+ if(c->c[i].at.vertex==1){
+ if(pixels==NULL||colors==NULL)
+ abort();
+ double ttt = -1.0;
+ int p_b = 0;
+ int p_b2 = 0;
+ double ttt2 = 1.0;
+ for(int jj = 0; jj<=c->len; jj++){
+ float sad = 1;
+ float sad2 = 1;
+ 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];
+ }
+ 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])
+ p_b2=1;
+ if(pixels[jj*2]<ttt2)
+ ttt2=pixels[jj*2];
+ }
+ }
+ if(p_b)
+ for(double zz = pixels[i*2]; diff(zz,ttt)>(float)5/get_w()&&zz>-1;zz-=(float)1/get_w()){
+ pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
+ colors = realloc(colors,sizeof *colors *((c_len+1)*4));
+ int brea = 0;
+
+ pixels[c_len*2] = zz;
+ pixels[c_len*2+1] = pixels[i*2+1];
+ colors[c_len*3] = 0.1f;
+ colors[c_len*3+1] = 1.0f;
+ colors[c_len*3+2] = 1.0f;
+ c_len++;
+
+
+ }
+ if(p_b2)
+ for(double zz = pixels[i*2]; diff(zz,ttt2)>(float)1/get_w()&&zz<1;zz+=(float)1/get_w()){
+ pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
+ colors = realloc(colors,sizeof *colors *((c_len+1)*4));
+ int brea = 0;
+
+ pixels[c_len*2] = zz;
+ pixels[c_len*2+1] = pixels[i*2+1];
+ colors[c_len*3] = 0.1f;
+ colors[c_len*3+1] = 1.0f;
+ colors[c_len*3+2] = 1.0f;
+ c_len++;
+
+
+ }
+ }
+ }
//return;
glPointSize(2.0f);
//glUseProgram(prog);
@@ -188,14 +261,23 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
glVertexAttribPointer(1,3,GL_FLOAT,GL_FALSE,0,(void*)0);
*/// return;
+ const GLfloat tr[] = {
+ 1.0f, 1.0f,
+ 1.0f, -1.0f,
+ -1.0f, -1.0f,
+ -1.0f, -1.0f,
+ -1.0f, 1.0f,
+ 1.0f, 1.0f,
+ };
GLuint verta;
glGenVertexArrays(1,&verta);
- glBindVertexArray(verta);GLuint vetb;
+ glBindVertexArray(verta);
+
+ GLuint vetb;
glGenBuffers(1,&vetb);
-
glBindBuffer(GL_ARRAY_BUFFER,vetb);
- glBufferData(GL_ARRAY_BUFFER,sizeof(pixels),pixels,GL_STATIC_DRAW);
+ glBufferData(GL_ARRAY_BUFFER,sizeof(*pixels)*(c_len*3),pixels,GL_STATIC_DRAW);
glEnableVertexAttribArray(0);
glBindBuffer(GL_ARRAY_BUFFER,vetb);
@@ -204,15 +286,18 @@ void perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,double ct
GLuint colb;
glGenBuffers(1,&colb);
glBindBuffer(GL_ARRAY_BUFFER,colb);
- glBufferData(GL_ARRAY_BUFFER,sizeof(colors),colors,GL_STATIC_DRAW);
+ 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);
- glDrawArrays(GL_POINTS,0,c->len);
+ glDrawArrays(GL_POINTS,0,c_len);
glDeleteBuffers(1,&vetb);
glDeleteBuffers(1,&colb);
+ free(pixels);
+ free(colors);
+ free(abpixels);
//glDisableVertexAttribArray(0);
//glDisableVertexAttribArray(1);
//glVertexPointer(2,GL_FLOAT,0,pixels);
@@ -234,14 +319,19 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
point_arr* pa;
pa = malloc(sizeof(*pa));
pa->c = malloc(sizeof(*pa->c)*(get_w()*60));
- if(pa->c==NULL)
+ 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;
pa->len = get_w();
n-=1;
+
+
double aaar = (1.0/get_w());
for(int iy = 0; iy<=get_w();iy+=1){
double t = aaar*iy;
@@ -262,11 +352,24 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
pa->c[iy].at.x = bcx;
pa->c[iy].at.y = bcy;
pa->c[iy].at.z = bcz;
+ pa->c[iy].at.vertex = 0;
+ for(int as = 0; as<=n; as++){
+ if(xx[as]==bcx&&yy[as]==bcy&&zz[as]==bcz){
+ pa->c[iy].at.vertex = 1;
+ break;
+ }
+ }
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);
@@ -281,14 +384,23 @@ point_arr* basier3d(double*xx,double*yy,double*zz,int n,float rr, float gg, floa
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);
+ a->vert = realloc(a->vert,sizeof(*a->vert)*(a->vlen+b->vlen)*60);
a->len+=b->len;
+ a->vlen+=b->vlen;
if(a->c==NULL)
err("failed to reallocate cords",pexit);
- for(int i = 0; i<=a->len+b->len; i++){
+ 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;
+ }
//return a.len+b.len;
}
point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, float gg, float bb){
@@ -316,43 +428,146 @@ point_arr* square_gen(double* tl, double* tr, double* bl, double*br,float rr, fl
join_cords(a,c);
join_cords(a,d);
free(b->c);
+ free(b->vert);
free(b);
free(c->c);
+ free(c->vert);
free(c);
free(d->c);
+ free(d->vert);
free(d);
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;
+ double m_z = 0.0;
+ double mi_x = 0.0;
+ double mi_y = 0.0;
+ double mi_z = 0.0;
+ for(int i = 0; i<=a->len; i++){
+ if(a->c[i].at.x>m_x)
+ m_x = a->c[i].at.x;
+ if(a->c[i].at.y>m_y)
+ m_y = a->c[i].at.y;
+ if(a->c[i].at.z>m_z)
+ m_z = a->c[i].at.z;
+ if(a->c[i].at.x<mi_x||mi_x==0)
+ mi_x = a->c[i].at.x;
+ if(a->c[i].at.y<mi_y||mi_y==0)
+ 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;
+ xx = realloc(xx,sizeof(*xx)*(zzl+1));
+ xx[zzl] = a->c[i].at.x;
+ yy = realloc(yy,sizeof(*yy)*(zzl+1));
+ yy[zzl] = y;
+ zzl++;
+ }
+ }
+ point_arr* pp = basier3d(xx,yy,zz,zzl,1.0,0.0,0.0);
+ join_cords(a,pp);
+ free(pp->c);
+ free(pp);
+ free(xx);
+ 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);
free(b->c);
+ free(b->vert);
free(b);
point_arr* c = square_gen(tl2,tr2,tl,tr,rr,gg,bb);
join_cords(a,c);
+
free(c->c);
+ free(c->vert);
free(c);
point_arr* d = square_gen(bl2,br2,bl,br,rr,gg,bb);
join_cords(a,d);
free(d->c);
+ free(d->vert);
free(d);
point_arr* e = square_gen(tl,tl2,bl,bl2,rr,gg,bb);
join_cords(a,e);
free(e->c);
+ free(e->vert);
free(e);
point_arr* f = square_gen(br2,br,tr2,tr,rr,gg,bb);
join_cords(a,f);
free(f->c);
+ free(f->vert);
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);
@@ -380,7 +595,16 @@ int main(int argc,char*argv[]){
double tr1[3] = {200.0,200.0,200.0};
double bl1[3] = {5.0,5.0,5.0};
double br1[3] = {200.0,5.0,5.0};
- point_arr* a = cube_gen(tl1,tr1,bl1,br1,tl2,tr2,bl2,br2,0.1f,0.1f,0.1f);
+ point_arr* a = cube_gen(tl1,tr1,bl1,br1,tl2,tr2,bl2,br2,0.1f,0.1f,1.0f);
+ /*double xx[8] = {0.0, 15.0, 50.0, 60.0,40.0,30.0, 0.0,0.0};
+ 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);
int max_r = 630;
double half_max_r = (double)max_r/2/2;
@@ -471,13 +695,19 @@ 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_O))
+ NUU+=0.1;
+ if(glfwGetKey(w,GLFW_KEY_P))
+ NUU-=0.1;
+ 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))break;
+ if(glfwWindowShouldClose(w)||(glfwGetKey(w,GLFW_KEY_Q)))break;
}
free(a->c);
+ free(a->vert);
free(a);
glfwDestroyWindow(w);
win_clean();
diff --git a/src/util.h b/src/util.h
index b79a7ff..cc78d48 100644
--- a/src/util.h
+++ b/src/util.h
@@ -6,9 +6,10 @@
#include "string.h"
#define greater(a,b) (a>b?a:b)
#define lesser(a,b) (a>b?b:a)
-//#define malloc(X) malloc(X); mmalloc();
+#define diff(a,b) (a>b?a-b:b-a)
+#define malloc(X) malloc(X); mmalloc();
void mmalloc();
-//#define free(X) free(X); ffree();
+#define free(X) free(X); ffree();
void ffree();
void err_m(char*,void (*)(int),char*,int);
void warn_m(char*,char*,int ,...);
generated by cgit v1.2.3 (git 2.25.1) at 2025-05-10 11:21:50 +0000