Amy/Demo
1
0
Fork 0
Code Issues 1 Pull Requests Actions Packages Projects Releases Wiki Activity

feat: added shadows

Browse Source
This commit is contained in:
Amy Retzerau
2025-08-27 16:32:46 +02:00
parent 1de2dae223
commit 83fb5cd587
1 changed files with 13 additions and 4 deletions
Download Patch File Download Diff File Expand all files Collapse all files

17
sdf.fs
View File

@@ -44,7 +44,7 @@ Ray minFn(Ray ray){
ray.color = vec3(1.0, 0.5, 0.2); ray.color = vec3(1.0, 0.5, 0.2);
ray.min = sp; ray.min = sp;
} else { } else {
ray.color = vec3(1.,1.,1.); ray.color = vec3(0.2, 0.3, 0.3);
ray.min = pl; ray.min = pl;
} }
return applyMin(ray); return applyMin(ray);
@@ -90,12 +90,21 @@ void main()
{ {
vec3 dir = vec3((texCoords - 0.5)*2,1.0); vec3 dir = vec3((texCoords - 0.5)*2,1.0);
vec3 pos = dir; vec3 pos = dir;
Ray ray = Ray(pos,normalize(dir),.0,.0,vec3(.0)); Ray ray = Ray(normalize(dir),pos,.0,.0,vec3(.0));
ray = march(ray);
ray = march(ray);
vec3 normal = calcNormal(ray); vec3 normal = calcNormal(ray);
vec3 lighDir = normalize(vec3(.5,-1.0,0.5)); vec3 lighDir = normalize(vec3(.5,-1.0,0.5));
float light = (.5 - min(dot(normal,lighDir),0.0))*2.; float light = (- min(dot(normal,lighDir),0.0))*0.7+0.3;
Ray shRay = Ray(lighDir * (-1.0), ray.pos + 0.5*normal , .0,.0, vec3(.0));
shRay = march(shRay);
if( (dot(lighDir,normal) < 0.0) && (shRay.len <20)){
light *= min(shRay.len*0.1,1.0);
}
if(ray.min <= 0.2){ if(ray.min <= 0.2){
FragColor = vec4(ray.color * light, 1.0); FragColor = vec4(ray.color * light, 1.0);