37 lines
915 B
GLSL
37 lines
915 B
GLSL
#version 430 core
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uniform vec3 color;
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uniform vec3 lightPos;
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uniform vec3 lightColor;
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uniform vec3 cameraPos;
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uniform float time;
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uniform float lightExp;
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in vec3 vertexNormalOut;
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in vec3 vertexPosOut;
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out vec4 outColor;
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void main()
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{
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vec3 lightDir = normalize(vertexPosOut - lightPos);
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float lightDistance = length(vertexPosOut - lightPos);
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vec3 newLightColor = lightColor / pow(lightDistance, 2);
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vec3 normalizedVertexNormal = normalize(vertexNormalOut);
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float intensity = dot(normalizedVertexNormal, -lightDir);
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intensity = max(intensity, 0.0);
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vec3 viewDir = normalize(cameraPos - vertexPosOut);
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vec3 reflectDir = reflect(lightDir, normalizedVertexNormal);
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float glossPow = 8;
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float specular = pow(max(dot(viewDir, reflectDir), 0.0), glossPow);
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float diffuse = intensity;
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outColor = vec4(newLightColor * (color * diffuse + specular ), 1.0);
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outColor = 1 - exp(-outColor * lightExp);
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}
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