45 lines
1.2 KiB
GLSL
45 lines
1.2 KiB
GLSL
#version 430 core
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float AMBIENT = 0.2;
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uniform vec3 lightPos;
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uniform vec3 viewPos;
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in vec3 FragPos; // Pozycja fragmentu
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in vec3 Normal; // Normalna fragmentu
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out vec4 FragColor;
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// Obliczenie faktora odbicia ?wietlnego dla modelu PBR
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float DistributionGGX(vec3 N, vec3 H, float roughness);
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float GeometrySchlickGGX(float NdotV, float roughness);
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float GeometrySmith(vec3 N, vec3 V, vec3 L, float roughness);
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const float PI = 3.14159265359;
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in vec3 vecNormal;
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in vec3 worldPos;
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in vec2 texCoord;
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out vec4 outColor;
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void main()
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{
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vec3 lightDir = normalize(lightPos - worldPos);
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vec3 normal = normalize(vecNormal);
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float diffuse = max(0.0, dot(normal, lightDir));
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diffuse = clamp(diffuse + 0.2, 0.0, 1.0);
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vec3 viewDir = normalize(-worldPos);
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vec3 halfwayDir = normalize(lightDir + viewDir);
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float specularStrength = 0.7; // Increase specular strength
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float specular = pow(max(0.0, dot(normal, halfwayDir)), 32);
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vec4 textureColor = texture(colorTexture, texCoord);
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vec3 finalColor = textureColor.rgb * (AMBIENT + diffuse) + specularStrength * specular;
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outColor = vec4(finalColor, textureColor.a);
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}
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