40 lines
1.2 KiB
Plaintext
40 lines
1.2 KiB
Plaintext
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// cube_vertex_shader.vs
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#version 330 core
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// Vertex Attributes
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layout(location = 0) in vec3 aPos; // Vertex position
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layout(location = 1) in vec3 aNormal; // Vertex normal
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layout(location = 2) in vec2 aTexCoords; // Texture coordinates
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// Uniform Matrices
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uniform mat4 model;
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uniform mat4 view;
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uniform mat4 projection;
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uniform mat4 lightSpaceMatrix;
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// Output to Fragment Shader
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out VS_OUT {
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vec3 FragPos; // Fragment position in world space
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vec3 Normal; // Fragment normal in world space
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vec2 TexCoords; // Texture coordinates
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vec4 FragPosLightSpace; // Fragment position in light space
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} fs_in;
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void main()
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{
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// Calculate fragment position in world space
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fs_in.FragPos = vec3(model * vec4(aPos, 1.0));
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// Calculate and normalize the normal vector in world space
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fs_in.Normal = mat3(transpose(inverse(model))) * aNormal;
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// Pass through texture coordinates
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fs_in.TexCoords = aTexCoords;
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// Calculate fragment position in light space for shadow mapping
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fs_in.FragPosLightSpace = lightSpaceMatrix * vec4(fs_in.FragPos, 1.0);
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// Final vertex position in clip space
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gl_Position = projection * view * vec4(fs_in.FragPos, 1.0);
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}
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