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42 lines
1.0 KiB
42 lines
1.0 KiB
#version 430
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layout (binding=0) uniform sampler2D samp;
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in vec2 uv;
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in vec3 varyingNormal;
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in vec3 varyingLightDir;
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in vec3 varyingVertPos;
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in vec3 varyingHalfVector;
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out vec4 color;
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struct PositionalLight
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{ vec4 ambient;
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vec4 diffuse;
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vec4 specular;
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vec3 position;
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};
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struct Material
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{ vec4 ambient;
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vec4 diffuse;
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vec4 specular;
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float shininess;
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};
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uniform vec4 globalAmbient;
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uniform PositionalLight light;
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uniform Material material;
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void main(void)
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{
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vec3 Normal=normalize(varyingNormal);
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vec3 Light=normalize(varyingLightDir);
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vec3 ViewVec=normalize(-varyingVertPos);
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vec3 H=normalize(varyingHalfVector);
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float cosTheta=dot(Light,Normal);
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float cosPhi=dot(Normal,H);
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vec3 ambient=((globalAmbient * material.ambient) + (light.ambient * material.ambient)).xyz;
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vec3 diffuse=light.diffuse.xyz * material.diffuse.xyz * max(cosTheta, 0.0);
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vec3 specular=material.specular.xyz * light.specular.xyz * pow(max(cosPhi, 0.0f), material.shininess*3.0);
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color=vec4(ambient+diffuse+specular,material.diffuse.w);
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} |