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prevent parallax shader from calculating insane layer count

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milek7
2019-09-27 19:24:32 +02:00
parent 44c6eba77d
commit 2f41feb65b
1 changed files with 1 additions and 1 deletions
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shaders/mat_parallax.frag
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@@ -115,7 +115,7 @@ vec2 ParallaxMapping(vec2 f_coord, vec3 viewDir)
vec2 currentTexCoords = f_coord;
float currentDepthMapValue = texture(normalmap, currentTexCoords).b;
LayersWeight = min(abs(dot(vec3(0.0, 0.0, 1.0), viewDir)),LayersWeight);
float numLayers = mix(maxLayers, minLayers, LayersWeight); // number of depth layers
float numLayers = mix(maxLayers, minLayers, clamp(LayersWeight, 0.0, 1.0)); // number of depth layers
float layerDepth = 1.0 / numLayers; // calculate the size of each layer
float currentLayerDepth = 0.0; // depth of current layer
vec2 P = viewDir.xy * param[2].y; // the amount to shift the texture coordinates per layer (from vector P)