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sampler2D HeightSampler = sampler_state
{
MinFilter = Nearest;
MagFilter = Linear;
WrapS = Clamp;
WrapT = Clamp;
};
void v_Displacement
(
in float3 modelPosition : POSITION,
in float2 modelTCoord0 : TEXCOORD0,
out float4 clipPosition : POSITION,
out float vertexHeight : TEXCOORD0,
uniform float4x4 PVWMatrix
)
{
float4 displacedPosition;
displacedPosition.xy = modelPosition.xy;
displacedPosition.z = tex2D(HeightSampler, modelTCoord0).r;
displacedPosition.w = 1.0f;
clipPosition = mul(PVWMatrix, displacedPosition);
vertexHeight = displacedPosition.z;
}
void p_Displacement
(
in float vertexHeight : TEXCOORD0,
out float4 pixelColor : COLOR
)
{
pixelColor.rgb = vertexHeight;
pixelColor.a = 1.0f;
}
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