36 lines
1.0 KiB
GLSL
36 lines
1.0 KiB
GLSL
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#version 400 core
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in vec2 pass_textureCoordinates;
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in vec3 surfaceNormal;
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in vec3 toLightVector;
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in vec3 toCameraVector;
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out vec4 out_Color;
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uniform sampler2D modelTexture;
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uniform float shineDamper;
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uniform float reflectivity;
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void main(void){
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vec3 unitNormal = normalize(surfaceNormal);
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vec3 unitLightVector = normalize(toLightVector);
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float nDotl = dot(unitNormal,unitLightVector);
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float brightness = max(nDotl,0.2);
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vec3 diffuse = brightness * vec3(1.0, 1.0, 1.0); //Tu by<62>a zmiana
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vec3 unitVectorToCamera = normalize(toCameraVector);
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vec3 lightDirection = -unitLightVector;
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vec3 reflectedLightDirection = reflect(lightDirection,unitNormal);
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float specularFactor = dot(reflectedLightDirection , unitVectorToCamera);
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specularFactor = max(specularFactor,0.0);
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float dampedFactor = pow(specularFactor,shineDamper);
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vec3 finalSpecular = dampedFactor * reflectivity * vec3(1.0, 1.0, 1.0); //Tu by<62>a zmiana
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out_Color = vec4(diffuse,1.0) * texture(modelTexture,pass_textureCoordinates) + vec4(finalSpecular,1.0);
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}
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