77 lines
1.8 KiB
GLSL
77 lines
1.8 KiB
GLSL
//Vertex Shader
|
|
#version 330 core
|
|
|
|
|
|
|
|
//input buffers
|
|
layout (location = 0) in vec3 aPos;
|
|
layout (location = 1) in vec3 aNormal;
|
|
layout (location = 2) in vec4 aWeights;
|
|
layout (location = 4) in vec2 aTex;
|
|
layout (location = 5) in vec4 modelA;
|
|
layout (location = 6) in vec4 modelB;
|
|
layout (location = 7) in vec4 modelC;
|
|
layout (location = 8) in vec4 modelD;
|
|
layout (location = 9) in vec4 boneA;
|
|
layout (location = 10) in vec4 boneB;
|
|
layout (location = 11) in vec4 boneC;
|
|
layout (location = 12) in vec4 boneD;
|
|
layout (location = 13) in float baseSize;
|
|
|
|
|
|
//coordinate space transformation matrices
|
|
uniform mat4 transform;
|
|
uniform mat4 view;
|
|
uniform mat4 projection;
|
|
uniform mat4 lightSpaceMatrix;
|
|
|
|
|
|
|
|
//output buffers
|
|
out vec3 Normal;
|
|
out vec3 FragPos;
|
|
out vec3 ViewFragPos;
|
|
out vec2 TexCoord;
|
|
out vec4 FragPosLightSpace;
|
|
|
|
|
|
|
|
|
|
void main() {
|
|
|
|
mat4 model = mat4(modelA,modelB,modelC,modelD);
|
|
|
|
mat4 scaleMatrix = mat4(
|
|
baseSize,0,0,0,
|
|
0,baseSize,0,0,
|
|
0,0,baseSize,0,
|
|
0,0,0,1
|
|
);
|
|
|
|
mat4 bone = mat4(boneA,boneB,boneC,boneD);
|
|
mat4 BoneTransform = (bone * aWeights[0]) + (scaleMatrix * (1.0 - aWeights[0]));
|
|
|
|
//normalize posiiton and normal
|
|
vec4 FinalVertex = BoneTransform * vec4(aPos, 1.0);
|
|
vec4 FinalNormal = BoneTransform * vec4(aNormal, 1.0);
|
|
|
|
//make sure the W component is 1.0
|
|
FinalVertex = vec4(FinalVertex.xyz, 1.0);
|
|
FinalNormal = vec4(FinalNormal.xyz, 1.0);
|
|
|
|
|
|
//push frag, normal, and texture positions to fragment shader
|
|
FragPos = vec3(model * FinalVertex);
|
|
ViewFragPos = vec3(view * model * FinalVertex);
|
|
Normal = mat3(transpose(inverse(model))) * aNormal;
|
|
TexCoord = aTex;
|
|
|
|
|
|
//shadow map stuff
|
|
FragPosLightSpace = lightSpaceMatrix * vec4(FragPos, 1.0);
|
|
|
|
|
|
//set final position with opengl space
|
|
gl_Position = projection * view * model * FinalVertex;
|
|
}
|