diff options
Diffstat (limited to 'src/point.c')
| -rw-r--r-- | src/point.c | 74 |
1 files changed, 57 insertions, 17 deletions
diff --git a/src/point.c b/src/point.c index 6d759cd..19a39cb 100644 --- a/src/point.c +++ b/src/point.c @@ -35,6 +35,8 @@ double find_z(double x1, double y1, double z1, double x2, double y2, double z2, } int point_on_line(double x,double y,double lx1,double ly1, double lx2,double ly2){ + if(diff(x,lx1)<=DB_DIS&&diff(y,ly1)<=DB_DIS||diff(x,lx2)<=DB_DIS&&diff(y,ly2)<=DB_DIS) + return 1; double crossproduct = (y-ly1)*(lx2-lx1) - (x-lx1)*(ly2-ly1); if(fabs(crossproduct)>FL_DIS) return 0; @@ -981,8 +983,8 @@ glfl_ar** transp(glfl_ar** con,int lle){ } return neww; } -void sort_polygons(point_m* aaaa, glfl_ar** con){ - //printf("---\n"); +void sort_polygons2(point_m* aaaa, glfl_ar** con){ + printf("e\n"); int col = 0; for(int i = 0; i<=aaaa->len-2;i++){ //printf("a\n"); @@ -990,17 +992,18 @@ void sort_polygons(point_m* aaaa, glfl_ar** con){ int su = -1; if(con[i]->max.z<con[i+1]->max.z&&con[i]->min.z<con[i+1]->min.z){ + //printf("%f %f, %f %f\n",con[i]->max.z,con[i]->min.z,con[i+1]->max.z,con[i+1]->min.z); glfl_ar* tempp = con[i]; con[i] = con[i+1]; con[i+1] = tempp; - col=1; - i--; + //col=1; + i=-1; continue; } int scol = 0; for(int p = 0; p<=con[i]->len-2; p++){ - - //if(su!=-1) + //printf("%i\n",su); + if(su>con[i+1]->len)break; // printf("%i\n",su); double mma = 77777; cord aa = poi_d(con[i]->pix[p*2],con[i]->pix[p*2+1],con[i]->pix[(p+1)*2],con[i]->pix[(p+1)*2+1],con[i+1]->len,con[i+1]->pix,0,-1,su); @@ -1024,8 +1027,13 @@ void sort_polygons(point_m* aaaa, glfl_ar** con){ double l2x2 = con[i+1]->pix[(aa.index+1)*2]; double l2y2 = con[i+1]->pix[(aa.index+1)*2+1]; double l2z2 = con[i+1]->dep[(aa.index+1)]; - if(!point_on_line(aa.x,aa.y,l2x1,l2y1,l2x2,l2y2)) - abort(); + if(!point_on_line(aa.x,aa.y,l2x1,l2y1,l2x2,l2y2)){ + //printf("%f %f %f %f %f %f\n",aa.x,aa.y,l2x1,l2y1,l2x2,l2y2); + //warn("no clue how this happened"); + //break; + //warn("aborted sorting (collisions didn't collide)",pexit); + break; + } double lz1 = find_z(l1x1,l1y1,l1z1,l1x2,l1y2,l1z2,aa.x,aa.y); double lz2 = find_z(l2x1,l2y1,l2z1,l2x2,l2y2,l2z2,aa.x,aa.y); //printf("(%.2f,%.2f,%.2f)->(%.2f,%.2f,%.2f) & (%.2f,%.2f,%.2f)->(%.2f,%.2f,%.2f) cross at (%.2f,%f) w/ (%.2f,%.2f)\n" @@ -1042,11 +1050,11 @@ void sort_polygons(point_m* aaaa, glfl_ar** con){ con[i] = con[i+1]; con[i+1] = tempp; col = 1; - //i=-1; + i=-1; break; } - //su = aa.index+1; - //p--; + su = aa.index+1; + p--; //maxi = greater(maxi,con[i]->dep[p]); //double sl1 = (con[i]->dep[p+1] - con[i]->dep[p])/(con[i]->pix[(p+1)*2] - con[i]->pix[p*2]); //double nz1 = con[i]->dep[p] + sl1 * (aa.x - con[i]->pix[(p*2)]) + sl1 * (aa.y - con[i]->pix[(p*2+1)]); @@ -1071,7 +1079,7 @@ void sort_polygons(point_m* aaaa, glfl_ar** con){ } - if(!scol&&con[i]->min.z<con[i+1]->min.z){ + if(0&&!scol&&con[i]->min.z<con[i+1]->min.z){ //printf("%i\n",i); glfl_ar* tempp = con[i]; con[i] = con[i+1]; @@ -1096,8 +1104,37 @@ void sort_polygons(point_m* aaaa, glfl_ar** con){ } if(col) - sort_polygons(aaaa,con); + sort_polygons2(aaaa,con); +} +void sort_polygons(point_m* aaaa, glfl_ar** con){ + printf("---\n"); + for(int i = 0; i<=aaaa->len-2;i++){ + //for(int p = 0; p<=con[i]->len-2; p++){ + if(con[i]->avg.z<con[i+1]->avg.z){ + glfl_ar* tempp = con[i]; + con[i] = con[i+1]; + con[i+1] = tempp; + //col=1; + i--; + break; + } + //} + } + for(int i = 0; i<=aaaa->len-2;i++){ + //for(int p = 0; p<=con[i]->len-2; p++){ + if(con[i]->max.z<con[i+1]->max.z&&con[i]->min.z<con[i+1]->min.z){ + glfl_ar* tempp = con[i]; + con[i] = con[i+1]; + con[i+1] = tempp; + //col=1; + i--; + break; + } + //} + } + sort_polygons2(aaaa,con); } + 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)*3)); @@ -1523,7 +1560,7 @@ int main(int argc,char*argv[]){ logm("built shaders"); - /* + ///* double tl[3] = {5.0,200.0,200.0}; double tr[3] = {200.0,200.0,200.0}; double bl[3] = {5.0,5.0,200.0}; @@ -1555,7 +1592,7 @@ int main(int argc,char*argv[]){ //*/ - ///* + /* double xxx[5] = {0.0,100.0,100.0,0.0,0.0}; double yyy[5] = {0.0,0.0,100.0,100.0,0.0}; @@ -1664,7 +1701,10 @@ int main(int argc,char*argv[]){ for(int i = 0; i<=aaaa->len-1; i++) printf("%f %f %f\n",con[i]->avg.z,con[i]->max.z,con[i]->min.z); */ - + //printf("---\n"); + //for(int i = 0; i<=aaaa->len-1; i++) + // for(int p = 0; p<=con[i]->len-1; p++) + // printf("%f %f\n",con[i]->pix[p*2],con[i]->pix[p*2+1]); sort_polygons(aaaa,con); //for(int i = 0; i!=aaaa->len-1; i++) //for(int z = 0; z!=con[i]->len-1; z++) @@ -1761,7 +1801,7 @@ int main(int argc,char*argv[]){ //free(bba->col); //free(bba->pix); //free(bba); - */ + //*/ } glfw_load(w); |