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sampler2D DiffuseSampler = sampler_state
{
MinFilter = Linear;
MagFilter = Linear;
WrapS = Repeat;
WrapT = Repeat;
};
void v_DLitMatTex
(
in float3 modelPosition : POSITION,
in float3 modelNormal : TEXCOORD2,
in float2 modelTCoord : TEXCOORD0,
out float4 clipPosition : POSITION,
out float3 vertexPosition : TEXCOORD0,
out float3 vertexNormal : TEXCOORD1,
out float2 vertexTCoord : TEXCOORD2,
uniform float4x4 PVWMatrix
)
{
clipPosition = mul(PVWMatrix, float4(modelPosition,1.0f));
vertexPosition = modelPosition;
vertexNormal = modelNormal;
vertexTCoord = modelTCoord;
}
void p_DLitMatTex
(
in float3 vertexPosition : TEXCOORD0,
in float3 vertexNormal : TEXCOORD1,
in float2 vertexTCoord : TEXCOORD2,
out float4 pixelColor : COLOR,
uniform float3 CameraModelPosition,
uniform float3 MaterialAmbient,
uniform float4 MaterialSpecular,
uniform float3 LightModelDirection,
uniform float3 LightColor
)
{
// Compute the lighting factors.
float3 normal = normalize(vertexNormal);
float3 lightModelVector = normalize(LightModelDirection);
float NDotL = -dot(normal, lightModelVector);
float3 viewVector = normalize(CameraModelPosition - vertexPosition);
float3 halfVector = normalize(viewVector - lightModelVector);
float NDotH = dot(normal, halfVector);
float4 lighting = lit(NDotL, NDotH, MaterialSpecular.a);
// Diffuse color comes from the texture.
float4 MaterialDiffuse = tex2D(DiffuseSampler, vertexTCoord);
// Compute the pixel color.
pixelColor.rgb =
(MaterialAmbient + LightColor*lighting.y)*MaterialDiffuse.rgb +
lighting.z*MaterialSpecular.rgb;
pixelColor.a = MaterialDiffuse.a;
}
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