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27 lines
519 B
27 lines
519 B
attribute vec3 pos;
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attribute vec2 texcoord;
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attribute vec3 normal;
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uniform mat4 M;
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uniform mat4 P;
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uniform mat4 V;
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uniform mat4 NM;
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uniform vec3 U_LightPos;
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uniform vec4 U_DiffuseLightColor;
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uniform vec4 U_DiffuseMaterial;
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varying vec4 V_DiffuseColor;
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void main()
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{
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//L vector
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vec3 L=U_LightPos;
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L=normalize(L);
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//N vector
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vec3 n=normalize(mat3(NM)*normal);
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float diffuseIntensity=max(0.0,dot(L,n));
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V_DiffuseColor=U_DiffuseLightColor*U_DiffuseMaterial*diffuseIntensity;
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gl_Position=P*V*M*vec4(pos,1.0);
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}
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