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+ | Transparency Material

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TheRedShip
2025-01-16 00:12:31 +01:00
parent a892d5e7e6
commit 787833ac84
12 changed files with 6203 additions and 6118 deletions
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59
shaders/light.glsl
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@ -64,32 +64,29 @@ vec3 sampleQuadLight(vec3 position, GPUObject obj, GPUMaterial mat, inout uint r
vec3 normal = normalize(crossQuad);
float cos_theta = max(0.0, dot(normal, -light_dir));
return mat.emission * mat.color * cos_theta / (pdf * light_dist * light_dist);
return mat.emission * mat.color / (light_dist);
}
vec3 sampleLights(vec3 position, inout uint rng_state)
{
vec3 light = vec3(0.0);
int emissive_count = 0;
for (int i = 0; i < u_objectsNum; i++)
if (materials[objects[i].mat_index].emission > 0.0)
emissive_count++;
{
GPUObject obj = objects[i];
GPUMaterial mat = materials[obj.mat_index];
if (mat.emission > 0.0)
{
vec3 light_dir = normalize(obj.position - position);
float light_dist = length(obj.position - position);
int target_light = int(floor(randomValue(rng_state) * float(emissive_count)));
Ray shadow_ray = Ray(position + light_dir * 0.01, light_dir);
hitInfo shadow_hit = traceRay(shadow_ray);
GPUObject obj = objects[target_light];
GPUMaterial mat = materials[obj.mat_index];
vec3 light_dir = normalize(obj.position - position);
float light_dist = length(obj.position - position);
Ray shadow_ray = Ray(position + light_dir * 0.01, light_dir);
hitInfo shadow_hit = traceRay(shadow_ray);
if (shadow_hit.obj_index == target_light)
light += mat.emission * mat.color / (light_dist);
if (shadow_hit.obj_index == i)
light += mat.emission * mat.color / (light_dist);
}
}
return (light);
}
@ -98,25 +95,21 @@ vec3 sampleLights(vec3 position, inout uint rng_state)
// {
// vec3 light = vec3(0.0);
// int emissive_count = 0;
// for (int i = 0; i < u_objectsNum; i++)
// if (materials[objects[i].mat_index].emission > 0.0)
// emissive_count++;
// {
// GPUObject obj = objects[i];
// GPUMaterial mat = materials[obj.mat_index];
// if (emissive_count == 0)
// return (vec3(0.));
// int target_light = int(floor(randomValue(rng_state) * float(emissive_count)));
// GPUObject obj = objects[target_light];
// GPUMaterial mat = materials[obj.mat_index];
// if (mat.emission == 0.0)
// continue ;
// if (obj.type == 0)
// light = sampleSphereLight(position, obj, mat, rng_state);
// else if (obj.type == 2)
// light = sampleQuadLight(position, obj, mat, rng_state);
// }
// if (obj.type == 0)
// light = sampleSphereLight(position, obj, mat, rng_state);
// else if (obj.type == 2)
// light = sampleQuadLight(position, obj, mat, rng_state);
// return (light);
// }