26 lines
578 B
V Shell
26 lines
578 B
V Shell
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//
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// Shader.vsh
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// imguiex
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attribute vec4 position;
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attribute vec3 normal;
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varying lowp vec4 colorVarying;
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uniform vec3 diffuseColor;
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uniform mat4 modelViewProjectionMatrix;
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uniform mat3 normalMatrix;
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void main()
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{
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vec3 eyeNormal = normalize(normalMatrix * normal);
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vec3 lightPosition = vec3(0.0, 0.0, 1.0);
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float nDotVP = max(0.0, dot(eyeNormal, normalize(lightPosition)));
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vec3 colorLit = diffuseColor * nDotVP;
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colorVarying = vec4( colorLit.x, colorLit.y, colorLit.z, 1.0 );
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gl_Position = modelViewProjectionMatrix * position;
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}
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