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#version 330 core
//DEFINES
layout(location = 0) in vec3 vertPos;
layout(location = 1) in vec2 vertTexCoord;
layout(location = 2) in vec3 vertNormal;
layout(location = 3) in vec4 vertColor;
layout (std140) uniform shaderMatrices {
mat4 projMatrix;
mat4 mvMatrix;
mat4 normalMatrix;
mat4 colorMatrix;
};
out vData {
vec3 lightDir;
vec2 texCoord;
vec3 normal;
vec4 color;
} vertex;
void main() {
const vec3 lightPos = vec3(-10.0, 2.0, 15.0);
vec4 posEye = mvMatrix * vec4(vertPos, 1.0); // Vertex position in eye space
gl_Position = projMatrix * posEye; // Vertex position in normalized device coordinates
vertex.lightDir = lightPos - posEye.xyz / posEye.w; // Light position relative to vertex
vertex.texCoord = vertTexCoord;
vertex.normal = normalize(mat3(normalMatrix) * vertNormal);
vertex.color = vertColor;
}
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