mirror of
https://github.com/Ed94/DuctTaped_GL.git
synced 2024-11-10 04:24:52 -08:00
48 lines
1014 B
GLSL
48 lines
1014 B
GLSL
#version 330 core
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out vec4 FragColor;
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in vec3 FragPosition ;
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in vec3 Normal ;
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in vec3 LightViewPosition;
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uniform vec3 ObjectColor ;
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uniform vec3 LightColor ;
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uniform float AmbientStrength ;
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uniform float DiffuseStrength ;
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uniform float SpecularStrength;
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void main()
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{
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// Ambient
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vec3 ambient = AmbientStrength * LightColor ;
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// Diffuse
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vec3 direction = normalize(Normal );
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vec3 lightDirection = normalize(LightViewPosition - FragPosition);
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float diffuseMagnitude = max(dot(direction, lightDirection), 0.0);
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vec3 diffuse = DiffuseStrength * diffuseMagnitude * LightColor;
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// Specular
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vec3 viewDirection = normalize(-FragPosition);
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vec3 reflectionDirection = reflect(-lightDirection, direction);
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float spec = pow(max(dot(viewDirection, reflectionDirection), 0.0), 32);
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vec3 specular = SpecularStrength * spec * LightColor;
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// Combining
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vec3 result = (ambient + diffuse + specular) * ObjectColor;
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FragColor = vec4(result, 1.0);
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} |