65 lines
1.6 KiB
HLSL
65 lines
1.6 KiB
HLSL
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#ifndef WATER_COMMON_INCLUDED
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#define WATER_COMMON_INCLUDED
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//As per the "Shader" section of the documentation, this is primarily used for synchronizing animations in networked applications.
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//#define TIME_FRAG_INPUT input.uv.z
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//#define TIME_VERTEX_OUTPUT output.uv.z
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//#define TIME ((TIME_FRAG_INPUT * _Speed) * -_Direction.xy)
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//#define TIME_VERTEX ((TIME_VERTEX_OUTPUT * _Speed) * -_Direction.xy)
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#define TIME_VERTEX ((_TimeParameters.x * _Speed) * -_Direction.xy)
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#define HORIZONTAL_DISPLACEMENT_SCALAR 0.01
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#define UP_VECTOR float3(0,1,0)
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#define RAD2DEGREE 57.29578
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struct WaterSurface
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{
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float3 positionWS;
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float3 viewDelta; //Un-normalized view direction,
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float3 viewDir;
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//Normal from the base geometry, in world-space
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float3 vertexNormal;
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float3 tangentNormal;
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float3 tangentWorldNormal;
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float3 albedo;
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float3 offset;
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float alpha;
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float fog;
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float edgeFade;
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float intersection;
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float3 reflections;
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float reflectionMask;
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};
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struct SceneDepth
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{
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float raw;
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float linear01;
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float eye;
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};
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#define FAR_CLIP _ProjectionParams.z
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#define NEAR_CLIP _ProjectionParams.y
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//Scale linear values to the clipping planes for orthographic projection (unity_OrthoParams.w = 1 = orthographic)
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#define DEPTH_SCALAR (FAR_CLIP - NEAR_CLIP)
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//Return depth based on the used technique (buffer, vertex color, baked texture)
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SceneDepth SampleDepth(float2 uv)
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{
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SceneDepth depth = (SceneDepth)0;
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float raw = SampleSceneDepth(uv);
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depth.raw = raw;
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depth.eye = LinearEyeDepth(raw, _ZBufferParams);
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depth.linear01 = Linear01Depth(raw, _ZBufferParams) * DEPTH_SCALAR;
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return depth;
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}
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#endif
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