23 lines
749 B
HLSL
23 lines
749 B
HLSL
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#ifndef SCROLLING_LAYERS
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#define SCROLLING_LAYERS
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UNITY_DECLARE_TEX2D_NOSAMPLER(_LayerTexture); float4 _LayerTexture_ST;
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UNITY_DECLARE_TEX2D_NOSAMPLER(_LayerMask); float4 _LayerMask_ST;
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float4 _LayerColor;
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float4 _LayerSpeed;
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float _Layers;
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float _LayerShrinkage;
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float4 color;
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float4 calculateScrollingLayers(float2 uv)
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{
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color = 0;
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for (int i = 0; i < _Layers; i++) {
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float2 uvMod = (1 + i*_LayerShrinkage) + (_Time.y * _LayerSpeed.xy);// / (1+i/3);
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color = saturate(color + UNITY_SAMPLE_TEX2D_SAMPLER(_LayerTexture, _MainTex, TRANSFORM_TEX(uv, _LayerTexture) * uvMod )) / (1+i*2);
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}
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return color * _LayerColor;
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}
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#endif
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