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fixed errors and rect3d

This commit is contained in:
grant squires 2023-05-11 00:04:18 +00:00
parent 7fcc46d145
commit acd940cb66
3 changed files with 58 additions and 156 deletions
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6
readme.md
View File

@ -9,6 +9,10 @@ optional flags : -Dskip_memory_trace -Dstfu
- fix the fps counter, its probably wrong
- color triangles
-animations
# known issues
- glfw & glew causes memory leak (not lost, related to video drivers)
- none atm:)

206
src/point.c
View File

@ -117,7 +117,8 @@ static const char* fshader_src =
"out vec4 color;\n"
"void main(){\n"
"gl_FragColor = vec4(1.0,0.0,1.0,1.0);\n"
"};";
//"gl_FragColor = vec4(ncolor,1.0);\n"
"};";
point_arr* basier2d(double*xx,double*yy,int n,float rr, float gg, float bb){
@ -220,7 +221,7 @@ void render_p(glfl_ar* bba){
glBindBuffer(GL_ARRAY_BUFFER,trab);
glVertexAttribPointer(2,1,GL_FLOAT,GL_FALSE,0,(void*)0);
glDrawArrays(GL_TRIANGLES,0,bba->tlen*6);
glDrawArrays(GL_TRIANGLES,0,bba->tlen*3);
glDeleteBuffers(1,&trab);
glDeleteBuffers(1,&vetb);
glDeleteBuffers(1,&colb);
@ -273,8 +274,6 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
c_len++;
}
}
printf("---\n");
int fc_len = c_len;
/*
for(int i = 0; 0&&i<=fc_len-1; i++){
@ -312,9 +311,9 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
//double dclen = c_len;
int vvi = 0;
glfl_m* trline = malloc(sizeof(*trline)*get_w()*60);
glfl_m* trline = malloc(sizeof(*trline));
trline->len = 0;
trline->at = malloc(sizeof(*trline->at)*get_w()*80);
trline->at = malloc(sizeof(*trline->at)*fc_len);
if(trline==NULL||trline->at==NULL)
pexit(54);
for(int i = 0; i<=fc_len-1; i++){
@ -334,7 +333,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
cord aab = poi_d(pixels[i*2],pixels[i*2+1],-le,pixels[i*2+1],lentt,pixels,1,i);
cord aac = poi_d(pixels[i*2],pixels[i*2+1],pixels[i*2],-le,lentt,pixels,1,i);
cord aad = poi_d(pixels[i*2],pixels[i*2+1],pixels[i*2],le,lentt,pixels,1,i);
trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*((1+c_len+get_w())*20)*60);
trline->at[trline->len].at = malloc(sizeof(*trline->at[trline->len].at)*((1+c_len+get_w())*2)*20);
trline->at[trline->len].len = 0;
//printf("%f\n",dclen);
if(trline->at[trline->len].at==NULL)
@ -360,7 +359,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
trline->at[trline->len].at[trline->at[trline->len].len*2] = frl->c[cci].at.x;
trline->at[trline->len].at[trline->at[trline->len].len*2+1] = frl->c[cci].at.y;
//printf("aab %f %f\n",frl->c[cci].at.x,frl->c[cci].at.y);
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
/*pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
trans = realloc(trans,sizeof *trans *((c_len+1)*2));
if(trans==NULL||pixels==NULL||colors==NULL)
@ -372,7 +371,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
colors[c_len*3+1] = 0.3f;
colors[c_len*3+2] = 1.0f;
c_len++;
*/
//trline->len++;
trline->at[trline->len].len++;
}
@ -391,7 +390,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
trline->at[trline->len].at[trline->at[trline->len].len*2] = frl->c[cci].at.x;
trline->at[trline->len].at[trline->at[trline->len].len*2+1] = frl->c[cci].at.y;
//printf("aab %f %f\n",frl->c[cci].at.x,frl->c[cci].at.y);
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
/*pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
trans = realloc(trans,sizeof *trans *((c_len+1)*2));
@ -402,7 +401,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
colors[c_len*3+1] = 0.3f;
colors[c_len*3+2] = 1.0f;
c_len++;
*/
trline->at[trline->len].len++;
}
free(frl->c);
@ -415,7 +414,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
trline->at[trline->len].at[trline->at[trline->len].len*2] = fx;
trline->at[trline->len].at[trline->at[trline->len].len*2+1] = fy;
//printf("aa\n");
/*
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
trans = realloc(trans,sizeof *trans *((c_len+1)*2));
@ -427,7 +426,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
colors[c_len*3] = 1.0f;
colors[c_len*3+1] = 0.3f;
colors[c_len*3+2] = 1.0f;
c_len++;
c_len++;*/
trline->at[trline->len].len++;
}
@ -589,108 +588,7 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
free(aacc->c);
free(aacc->vert);
free(aacc);
/*
double ite = ((float)get_w());
double ite1 = fabs(ix1/ite);
double ite2 = fabs(ix2/ite);
//printf("%f %f\n",x1,x2);
for(;(ma_to_mi?x1>=x2:x1<=x2);(ma_to_mi?(x1-=ite1):(x1+=ite2))){
cord aaaa = poi_d(x1,y1,x2,y2,fc_len,pixels,0,-1);
//printf("%f %f\n",ite1,ite2);
it++;
if(it>=trline->at[zzi].len)
break;
printf(" ** %i %i | %i\n",it,trline->at[zzi].len,zzi);
if(aaaa.z!=-1){
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
//printf("%f %f\n",aaa.x,aaa.y);
pixels[c_len*2] = x1;
pixels[c_len*2+1] = y1;
colors[c_len*3] = 1.0f;
colors[c_len*3+1] = 1.0f;
colors[c_len*3+2] = 1.0f;
c_len++;
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
//printf("%f %f\n",aaa.x,aaa.y);
pixels[c_len*2] = aaaa.x;
pixels[c_len*2+1] = aaaa.y;
colors[c_len*3] = 1.0f;
colors[c_len*3+1] = 1.0f;
colors[c_len*3+2] = 1.0f;
c_len++;
//printf("fail\n");
//printf("%f %f\n",aaaa.x,aaaa.y);
if(ma_to_mi&&ite1==0||!ma_to_mi&&ite2==0)
break;
continue;
}
double bb[] = {x1,x2};
double bb2[] = {y1, y2};
point_arr* asd = basier2d(bb,bb2,2,0.1,0.1,0.1);
//printf("aa\n");
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));
trans = realloc(trans,sizeof *trans *((c_len+1)*2));
trans[c_len] = 1.0;
double dd = 10;
pixels[c_len*2] = asd->c[lli].at.x;
pixels[c_len*2+1] = asd->c[lli].at.y;
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++;
}
free(asd->c);
free(asd->vert);
free(asd);
tria[tric*6] = x1;
tria[tric*6+1] = y1;
tria[tric*6+2] = x2;
tria[tric*6+3] = y2;
tria[tric*6+4] = ix2;
tria[tric*6+5] = iy2;
tric++;
//printf("%f %f, %f %f, %f %f, %f %f\n",x1,y1,x2,y2,ix1,iy1,ix2,iy2);
tria[tric*6] = x1;
tria[tric*6+1] = y1;
tria[tric*6+2] = x2;
tria[tric*6+3] = y2;
tria[tric*6+4] = ix1;
tria[tric*6+5] = iy1;
tric++;
break;
}
*//*
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
//printf("%f %f\n",aaa.x,aaa.y);
pixels[c_len*2] = ux1;
pixels[c_len*2+1] = uy1;
colors[c_len*3] = 1.0f;
colors[c_len*3+1] = 0.3f;
colors[c_len*3+2] = 1.0f;
c_len++;
pixels = realloc(pixels,sizeof *pixels *((c_len+1)*3));
colors = realloc(colors,sizeof *colors *((c_len+1)*4));
//printf("%f %f\n",aaa.x,aaa.y);
pixels[c_len*2] = ux2;
pixels[c_len*2+1] = uy2;
colors[c_len*3] = 1.0f;
colors[c_len*3+1] = 1.0f;
colors[c_len*3+2] = 1.0f;
c_len++;*/
}
lmax_t = max_t;
lmin_t = min_t;
@ -703,10 +601,8 @@ glfl_ar* perspective_proj(GLFWwindow* b,point_arr* c,double ctx,double cty,doubl
glfl_ar* rea = malloc(sizeof(*rea));
rea->tlen = tric;
rea->tri = tria;
printf(" %i\n",tric);
for(int i = 0; i!=tric; i++){
printf("%f %f %f | %f %f %f\n",tria[i*6],tria[i*6+1],tria[i*6+2],tria[i*6+3],tria[i*6+4],tria[i*6+5]);
}
//printf(" %i\n",tric);
rea->col = colors;
rea->pix = pixels;
rea->len = c_len;
@ -783,7 +679,7 @@ void join_glfl_a(glfl_ar* a, glfl_ar* b){
a->pix = realloc(a->pix,sizeof(*a->pix)*(a->len+b->len+1)*20);
a->col = realloc(a->col,sizeof(*a->col)*(a->len+b->len+1)*20);
a->trans = realloc(a->trans,sizeof(*a->trans)*(a->len+b->len+1)*20);
a->tri = realloc(a->tri,sizeof(*a->tri)*(a->tlen+b->tlen+1)*20);
a->tri = realloc(a->tri,sizeof(*a->tri)*(a->tlen+b->tlen+1)*60);
a->len+=b->len;
a->tlen+=b->tlen;
if(a->tri==NULL||a->pix==NULL||a->col==NULL||a->trans==NULL)
@ -797,8 +693,8 @@ void join_glfl_a(glfl_ar* a, glfl_ar* b){
for(int i = 0; i<=b->len; i++){
a->trans[a_len+i] = b->trans[i];
}
for(int i = 0; i<=b->tlen; i++){
a->tri[a_len*6+i] = b->tri[i];
for(int i = 0; i<=b->tlen*6; i++){
a->tri[a_tlen*6+i] = b->tri[i];
}
}
point_arr* polygon3d(double* vx, double*vy, double* vz, int n){
@ -968,53 +864,53 @@ point_m* rect3d_gen(double* tl, double* tr, double* bl, double*br,
point_m* mm = malloc(sizeof * mm * 8);
mm->len = 0;
{
double xx1[5]={tl[0],tr[0],br[0],bl[0]};
double yy1[5]={tl[1],tr[1],br[1],bl[1]};
double zz1[5]={tl[2],tr[2],br[2],bl[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={tl[0],tr[0],br[0],bl[0], tl[0]};
double yy1[5]={tl[1],tr[1],br[1],bl[1], tl[1]};
double zz1[5]={tl[2],tr[2],br[2],bl[2], tl[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
{
double xx1[5]={tl2[0],tr2[0],br2[0],bl2[0]};
double yy1[5]={tl2[1],tr2[1],br2[1],bl2[1]};
double zz1[5]={tl2[2],tr2[2],br2[2],bl2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={tl2[0],tr2[0],br2[0],bl2[0], tl2[0]};
double yy1[5]={tl2[1],tr2[1],br2[1],bl2[1], tl2[1]};
double zz1[5]={tl2[2],tr2[2],br2[2],bl2[2], tl2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
{
double xx1[5]={tl2[0],tr2[0],tr[0],tl[0]};
double yy1[5]={tl2[1],tr2[1],tr[1],tl[1]};
double zz1[5]={tl2[2],tr2[2],tr[2],tl[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={tl2[0],tr2[0],tr[0],tl[0], tl2[0]};
double yy1[5]={tl2[1],tr2[1],tr[1],tl[1], tl2[1]};
double zz1[5]={tl2[2],tr2[2],tr[2],tl[2], tl2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
{
double xx1[5]={bl2[0],br2[0],br[0],bl[0]};
double yy1[5]={bl2[1],br2[1],br[1],bl[1]};
double zz1[5]={bl2[2],br2[2],br[2],bl[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={bl2[0],br2[0],br[0],bl[0], bl2[0]};
double yy1[5]={bl2[1],br2[1],br[1],bl[1], bl2[1]};
double zz1[5]={bl2[2],br2[2],br[2],bl[2], bl2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
{
double xx1[5]={tl2[0],bl2[0],bl[0],tl[0]};
double yy1[5]={tl2[1],bl2[1],bl[1],tl[1]};
double zz1[5]={tl2[2],bl2[2],bl[2],tl[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={tl2[0],bl2[0],bl[0],tl[0], tl2[0]};
double yy1[5]={tl2[1],bl2[1],bl[1],tl[1], tl2[1]};
double zz1[5]={tl2[2],bl2[2],bl[2],tl[2], tl2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
{
double xx1[5]={tr2[0],br2[0],br[0],tr[0]};
double yy1[5]={tr2[1],br2[1],br[1],tr[1]};
double zz1[5]={tr2[2],br2[2],br[2],tr[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,5);
double xx1[5]={tr2[0],br2[0],br[0],tr[0], tr2[0]};
double yy1[5]={tr2[1],br2[1],br[1],tr[1], tr2[1]};
double zz1[5]={tr2[2],br2[2],br[2],tr[2], tr2[2]};
mm[mm->len].at = polygon3d(xx1,yy1,zz1,6);
mm->len++;
}
return mm;
}
int main(int argc,char*argv[]){
flag_handle(argc,argv);
flag_handle(argc,argv);
atexit(sig_handle);
GLFWwindow* w = glfw_init();
refresh_size(w);
@ -1031,7 +927,7 @@ 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};
@ -1045,13 +941,15 @@ int main(int argc,char*argv[]){
float gg = 0.0;
float bb = 1.0;
point_m* aaaa = rect3d_gen(tl,tr,bl,br,tl2,tr2,bl2,br2,rr,gg,bb);
*/
//*/
/*
double xxx[4] = {2.0,100.0,50.0,2.0};
double yyy[4] = {2.0,2.0,100.0,2.0};
double zzz[4] = {2.0,2.0,2.0,2.0};
point_m* aaaa = malloc(sizeof(*aaaa)*5);
aaaa->len = 0;
aaaa[0].at = polygon3d(xxx,yyy,zzz,5);
*/
int max_r = 630;
double half_max_r = (double)max_r/2/2;
double pl_x = 0;
@ -1084,21 +982,18 @@ int main(int argc,char*argv[]){
if(aaaa->len>=0){
glfl_ar* bba = perspective_proj(w,aaaa[0].at,p1,p2,p3,p4,p5,p6);
/*if(aaaa->len>0){
if(aaaa->len>0){
for(int i = 1; i<=aaaa->len-1; i++){
glfl_ar* bbb = perspective_proj(w,aaaa[i].at,p1,p2,p3,p4,p5,p6);
join_glfl_a(bba,bbb);
free(bbb->col);
free(bbb->pix);
free(bbb->trans);
free(bbb->tri);
free(bbb);
}
}
}
*/
render_p(bba);
free(bba->tri);
free(bba->trans);
@ -1209,7 +1104,10 @@ int main(int argc,char*argv[]){
free(a->vert);
free(a);
*/
for(int i = 0; i<=aaaa->len; i++){
free(aaaa[0].at->c);
free(aaaa[0].at->vert);
free(aaaa[0].at);
for(int i = 1; i<=aaaa->len-1; i++){
free(aaaa[i].at->c);
free(aaaa[i].at->vert);
free(aaaa[i].at);

2
src/util.c
View File

@ -80,7 +80,7 @@ void sig_handle(void){
sprintf(ad,"%p",allocations[i].addr);
ad[0]='\20';
ad[1]='\20';
printf(" | - <\x1b[90m0x\x1b[0m%s> %s:%s:%i, %lu bytes initially allocated\n",ad,allocations[i].file,allocations[i].function,allocations[i].line,allocations[i].size);
printf(" | - <\x1b[90m0x\x1b[0m%s> %s:%s:%i, %lu bytes initially allocated\n",ad,allocations[i].file,allocations[i].function,allocations[i].line,allocations[i].size);
}
}
(free)(allocations);