33 lines
1.2 KiB
HLSL
33 lines
1.2 KiB
HLSL
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#ifndef TEXTURE_BLENDING
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#define TEXTURE_BLENDING
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int _Blend;
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float4 _BlendTextureColor;
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sampler2D _BlendTexture; float4 _BlendTexture_ST;
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sampler2D _BlendNoiseTexture; float4 _BlendNoiseTexture_ST;
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float _BlendAlpha;
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float _BlendTiling;
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float _AutoBlend;
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float _AutoBlendSpeed;
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float _AutoBlendDelay;
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float blendAlpha = 0;
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void calculateTextureBlending(float blendAlpha, inout float4 mainTexture, inout float4 diffuse, float2 uv)
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{
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UNITY_BRANCH
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if (_Blend != 0)
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{
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float blendNoise = tex2D(_BlendNoiseTexture, TRANSFORM_TEX(uv, _BlendNoiseTexture));
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if(_AutoBlend > 0)
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{
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blendAlpha = (clamp(sin(_Time.y * _AutoBlendSpeed / _AutoBlendDelay) * (_AutoBlendDelay + 1), -1, 1) + 1) / 2;
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}
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blendAlpha = lerp(saturate((blendNoise - 1) + blendAlpha * 2), step(blendAlpha * 1.001, blendNoise), _Blend - 1);
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float4 blendCol = tex2D(_BlendTexture, TRANSFORM_TEX(uv, _BlendTexture)) * _BlendTextureColor;
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diffuse = lerp(diffuse, blendCol, blendAlpha);
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mainTexture.a = lerp(mainTexture.a, blendCol.a, blendAlpha);
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}
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}
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#endif
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