1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
|
void v_Skinning
(
in float3 modelPosition : POSITION,
in float3 modelColor : COLOR0,
in float4 modelWeights : TEXCOORD0,
out float4 clipPosition : POSITION,
out float3 vertexColor : COLOR0,
uniform float4x4 PVWMatrix,
uniform float4x4 SkinningMatrix0,
uniform float4x4 SkinningMatrix1,
uniform float4x4 SkinningMatrix2,
uniform float4x4 SkinningMatrix3
)
{
// This skinning shader has a fixed number of skinning matrices per
// vertex. If you want a number that varies with the vertex, pass in
// an array of skinning matrices. Also pass in texture coordinates
// that are used as lookups into the array.
// Calculate the position by adding together a convex combination of
// transformed positions.
float4 hModelPosition = float4(modelPosition, 1.0f);
float4 position0 = mul(SkinningMatrix0, hModelPosition)*modelWeights.x;
float4 position1 = mul(SkinningMatrix1, hModelPosition)*modelWeights.y;
float4 position2 = mul(SkinningMatrix2, hModelPosition)*modelWeights.z;
float4 position3 = mul(SkinningMatrix3, hModelPosition)*modelWeights.w;
float4 skinPosition = position0 + position1 + position2 + position3;
// Transform the position from model space to clip space.
clipPosition = mul(PVWMatrix, skinPosition);
// Pass through the color.
vertexColor = modelColor;
}
void p_Skinning
(
in float3 vertexColor : COLOR0,
out float4 pixelColor : COLOR0
)
{
pixelColor.rgb = vertexColor;
pixelColor.a = 1.0f;
}
|
