54 lines
1.3 KiB
GLSL
54 lines
1.3 KiB
GLSL
#version 430 core
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layout (location = 0) out vec4 FragColor;
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layout (location = 1) out vec4 BrightColor;
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struct PointLight {
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vec3 position;
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vec3 color;
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float intensity;
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};
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#define MAX_POINT_LIGHTS 16
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uniform vec3 cameraPos;
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uniform sampler2D diffuseTexture;
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uniform sampler2D normalTexture;
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uniform PointLight pointLights[MAX_POINT_LIGHTS];
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uniform int LightsCount;
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in vec3 interpNormal;
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in vec3 fragPos;
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in vec2 vTexCoord;
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void main()
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{
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vec3 fragColor = vec3(0,0,0);
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vec3 texture = texture2D(diffuseTexture, vTexCoord).rgb;
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vec3 ambient = vec3(0.2) * texture;
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vec3 normal = normalize(interpNormal);
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vec3 V = normalize(cameraPos-fragPos);
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for(int i = 0; i < LightsCount; i++)
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{
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vec3 lightDir = normalize(pointLights[i].position - fragPos);
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vec3 R = reflect(-lightDir,normal);
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float dist = distance(fragPos, pointLights[i].position);
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float distance = (1/dist) * (1/dist);
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float spec = pow(max(0,dot(R,V)),2);
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float diff = max(0,dot(normal,normalize(lightDir)));
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vec3 diffuse = pointLights[i].color * diff * distance * pointLights[i].intensity;
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vec3 specular = spec * pointLights[i].color * (pointLights[i].intensity/(dist*5));
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fragColor += texture*(diffuse+specular);
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}
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BrightColor = vec4(0.0, 0.0, 0.0, 1.0);
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FragColor = vec4(fragColor+ambient,1.0);
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}
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