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Reviewed skinning shaders #4412

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This commit is contained in:
Ray 2024-10-23 00:20:59 +02:00
parent 53f7da2506
commit 79e2be68c2
2 changed files with 15 additions and 12 deletions
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8
examples/models/resources/shaders/glsl100/skinning.vs
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@ -25,10 +25,10 @@ void main()
int boneIndex3 = int(vertexBoneIds.w);
vec4 skinnedPosition =
vertexBoneWeights.x*(boneMatrices[boneIndex0]*vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.y*(boneMatrices[boneIndex1]*vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.z*(boneMatrices[boneIndex2]*vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.w*(boneMatrices[boneIndex3]*vec4(vertexPosition, 1.0f));
vertexBoneWeights.x*(boneMatrices[boneIndex0]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.y*(boneMatrices[boneIndex1]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.z*(boneMatrices[boneIndex2]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.w*(boneMatrices[boneIndex3]*vec4(vertexPosition, 1.0));
fragTexCoord = vertexTexCoord;
fragColor = vertexColor;

19
examples/models/resources/shaders/glsl330/skinning.vs
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@ -1,16 +1,19 @@
#version 330
#define MAX_BONE_NUM 128
// Input vertex attributes
in vec3 vertexPosition;
in vec2 vertexTexCoord;
in vec4 vertexColor;
in vec4 vertexBoneIds;
in vec4 vertexBoneWeights;
#define MAX_BONE_NUM 128
// Input uniform values
uniform mat4 mvp;
uniform mat4 boneMatrices[MAX_BONE_NUM];
uniform mat4 mvp;
// Output vertex attributes (to fragment shader)
out vec2 fragTexCoord;
out vec4 fragColor;
@ -22,13 +25,13 @@ void main()
int boneIndex3 = int(vertexBoneIds.w);
vec4 skinnedPosition =
vertexBoneWeights.x * (boneMatrices[boneIndex0] * vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.y * (boneMatrices[boneIndex1] * vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.z * (boneMatrices[boneIndex2] * vec4(vertexPosition, 1.0f)) +
vertexBoneWeights.w * (boneMatrices[boneIndex3] * vec4(vertexPosition, 1.0f));
vertexBoneWeights.x*(boneMatrices[boneIndex0]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.y*(boneMatrices[boneIndex1]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.z*(boneMatrices[boneIndex2]*vec4(vertexPosition, 1.0)) +
vertexBoneWeights.w*(boneMatrices[boneIndex3]*vec4(vertexPosition, 1.0));
fragTexCoord = vertexTexCoord;
fragColor = vertexColor;
gl_Position = mvp * skinnedPosition;
gl_Position = mvp*skinnedPosition;
}