Attempt to fix transparency problem

engine/src/scene/rendering/shaders/raytracing/hardware/default/closesthit.rchit

@@ -34,6 +34,7 @@ void own_implementation() {
 
     vec3 diffuse = tmp.xyz;
     float alpha = tmp.w;
+    float max_alpha = alpha;
 
     // get normal
     vec3 normal = normal(triangle);
@@ -165,12 +166,14 @@ void own_implementation() {
         pay_load.depth--;
 
         object_color = mix(pay_load.color.xyz, object_color, alpha);
+        alpha = pay_load.color.w;
+        max_alpha = max(max_alpha, alpha);
     }
 
     // color is at least emissive factor color
     vec3 resulting_color = max(object_color, diffuse * emissive_factor);
 
-    pay_load.color = vec4(resulting_color, alpha);
+    pay_load.color = vec4(resulting_color, max_alpha);
     pay_load.distance = gl_HitTEXT;
 }
 

engine/src/scene/rendering/shaders/raytracing/hardware/default/raygen.rgen

@@ -59,8 +59,6 @@ void main()
         pay_load_index
     );
 
-
-
     vec3 position;
 
     if (pay_load.distance == -1.0) {