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#ifndef POI_UV_DISTORTION
#define POI_UV_DISTORTION
UNITY_DECLARE_TEX2D_NOSAMPLER(_DistortionFlowTexture); float4 _DistortionFlowTexture_ST;
UNITY_DECLARE_TEX2D_NOSAMPLER(_DistortionFlowTexture1); float4 _DistortionFlowTexture1_ST;
float _DistortionStrength;
float _DistortionStrength1;
float2 _DistortionSpeed;
float2 _DistortionSpeed1;
float2 calculateDistortionUV(float2 uv)
{
_DistortionStrength *= .1;
float4 flowVector = UNITY_SAMPLE_TEX2D_SAMPLER(_DistortionFlowTexture, _MainTex, TRANSFORM_TEX(poiMesh.uv[0], _DistortionFlowTexture) + _Time.x * _DistortionSpeed) * 2 - 1;
float4 flowVector1 = UNITY_SAMPLE_TEX2D_SAMPLER(_DistortionFlowTexture1, _MainTex, TRANSFORM_TEX(poiMesh.uv[0], _DistortionFlowTexture1) + _Time.x * _DistortionSpeed1) * 2 - 1;
flowVector *= _DistortionStrength;
flowVector1 *= _DistortionStrength1;
return uv + (flowVector.xy + flowVector1.xy) / 2;
}
#endif
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