Non puoi selezionare più di 25 argomenti
Gli argomenti devono iniziare con una lettera o un numero, possono includere trattini ('-') e possono essere lunghi fino a 35 caratteri.
59 righe
3.5 KiB
59 righe
3.5 KiB
#version 100
|
|
|
|
#define MAX_BONE_NUM 64
|
|
|
|
// Input vertex attributes
|
|
attribute vec3 vertexPosition;
|
|
attribute vec2 vertexTexCoord;
|
|
attribute vec4 vertexColor;
|
|
attribute vec4 vertexBoneIds;
|
|
attribute vec4 vertexBoneWeights;
|
|
|
|
// Input uniform values
|
|
uniform mat4 mvp;
|
|
uniform mat4 boneMatrices[MAX_BONE_NUM];
|
|
|
|
// Output vertex attributes (to fragment shader)
|
|
varying vec2 fragTexCoord;
|
|
varying vec4 fragColor;
|
|
|
|
void main()
|
|
{
|
|
int boneIndex0 = int(vertexBoneIds.x);
|
|
int boneIndex1 = int(vertexBoneIds.y);
|
|
int boneIndex2 = int(vertexBoneIds.z);
|
|
int boneIndex3 = int(vertexBoneIds.w);
|
|
|
|
// WARNING: OpenGL ES 2.0 does not support automatic matrix transposing, neither transpose() function
|
|
mat4 boneMatrixTransposed0 = mat4(
|
|
vec4(boneMatrices[boneIndex0][0].x, boneMatrices[boneIndex0][1].x, boneMatrices[boneIndex0][2].x, boneMatrices[boneIndex0][3].x),
|
|
vec4(boneMatrices[boneIndex0][0].y, boneMatrices[boneIndex0][1].y, boneMatrices[boneIndex0][2].y, boneMatrices[boneIndex0][3].y),
|
|
vec4(boneMatrices[boneIndex0][0].z, boneMatrices[boneIndex0][1].z, boneMatrices[boneIndex0][2].z, boneMatrices[boneIndex0][3].z),
|
|
vec4(boneMatrices[boneIndex0][0].w, boneMatrices[boneIndex0][1].w, boneMatrices[boneIndex0][2].w, boneMatrices[boneIndex0][3].w));
|
|
mat4 boneMatrixTransposed1 = mat4(
|
|
vec4(boneMatrices[boneIndex1][0].x, boneMatrices[boneIndex1][1].x, boneMatrices[boneIndex1][2].x, boneMatrices[boneIndex1][3].x),
|
|
vec4(boneMatrices[boneIndex1][0].y, boneMatrices[boneIndex1][1].y, boneMatrices[boneIndex1][2].y, boneMatrices[boneIndex1][3].y),
|
|
vec4(boneMatrices[boneIndex1][0].z, boneMatrices[boneIndex1][1].z, boneMatrices[boneIndex1][2].z, boneMatrices[boneIndex1][3].z),
|
|
vec4(boneMatrices[boneIndex1][0].w, boneMatrices[boneIndex1][1].w, boneMatrices[boneIndex1][2].w, boneMatrices[boneIndex1][3].w));
|
|
mat4 boneMatrixTransposed2 = mat4(
|
|
vec4(boneMatrices[boneIndex2][0].x, boneMatrices[boneIndex2][1].x, boneMatrices[boneIndex2][2].x, boneMatrices[boneIndex2][3].x),
|
|
vec4(boneMatrices[boneIndex2][0].y, boneMatrices[boneIndex2][1].y, boneMatrices[boneIndex2][2].y, boneMatrices[boneIndex2][3].y),
|
|
vec4(boneMatrices[boneIndex2][0].z, boneMatrices[boneIndex2][1].z, boneMatrices[boneIndex2][2].z, boneMatrices[boneIndex2][3].z),
|
|
vec4(boneMatrices[boneIndex2][0].w, boneMatrices[boneIndex2][1].w, boneMatrices[boneIndex2][2].w, boneMatrices[boneIndex2][3].w));
|
|
mat4 boneMatrixTransposed3 = mat4(
|
|
vec4(boneMatrices[boneIndex3][0].x, boneMatrices[boneIndex3][1].x, boneMatrices[boneIndex3][2].x, boneMatrices[boneIndex3][3].x),
|
|
vec4(boneMatrices[boneIndex3][0].y, boneMatrices[boneIndex3][1].y, boneMatrices[boneIndex3][2].y, boneMatrices[boneIndex3][3].y),
|
|
vec4(boneMatrices[boneIndex3][0].z, boneMatrices[boneIndex3][1].z, boneMatrices[boneIndex3][2].z, boneMatrices[boneIndex3][3].z),
|
|
vec4(boneMatrices[boneIndex3][0].w, boneMatrices[boneIndex3][1].w, boneMatrices[boneIndex3][2].w, boneMatrices[boneIndex3][3].w));
|
|
|
|
vec4 skinnedPosition =
|
|
vertexBoneWeights.x*(boneMatrixTransposed0*vec4(vertexPosition, 1.0)) +
|
|
vertexBoneWeights.y*(boneMatrixTransposed1*vec4(vertexPosition, 1.0)) +
|
|
vertexBoneWeights.z*(boneMatrixTransposed2*vec4(vertexPosition, 1.0)) +
|
|
vertexBoneWeights.w*(boneMatrixTransposed3*vec4(vertexPosition, 1.0));
|
|
|
|
fragTexCoord = vertexTexCoord;
|
|
fragColor = vertexColor;
|
|
|
|
gl_Position = mvp*skinnedPosition;
|
|
}
|