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Blinn-phong

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bloeys
2024-04-12 23:28:59 +04:00
parent 1f922b6a47
commit ee61373069
1 changed files with 6 additions and 6 deletions
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12
res/shaders/simple.glsl
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@ -102,8 +102,8 @@ vec3 CalcDirLight()
vec3 finalDiffuse = diffuseAmount * dirLight.diffuseColor * diffuseTexColor.rgb;
// Specular
vec3 reflectDir = reflect(-lightDir, normalizedVertNorm);
float specularAmount = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
vec3 halfwayDir = normalize(lightDir + viewDir);
float specularAmount = pow(max(dot(normalizedVertNorm, halfwayDir), 0.0), material.shininess);
vec3 finalSpecular = specularAmount * dirLight.specularColor * specularTexColor.rgb;
return finalDiffuse + finalSpecular;
@ -123,8 +123,8 @@ vec3 CalcPointLight(PointLight pointLight)
vec3 finalDiffuse = diffuseAmount * pointLight.diffuseColor * diffuseTexColor.rgb;
// Specular
vec3 reflectDir = reflect(-lightDir, normalizedVertNorm);
float specularAmount = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
vec3 halfwayDir = normalize(lightDir + viewDir);
float specularAmount = pow(max(dot(normalizedVertNorm, halfwayDir), 0.0), material.shininess);
vec3 finalSpecular = specularAmount * pointLight.specularColor * specularTexColor.rgb;
// attenuation
@ -156,8 +156,8 @@ vec3 CalcSpotLight(SpotLight light)
vec3 finalDiffuse = diffuseAmount * light.diffuseColor * diffuseTexColor.rgb;
// Specular
vec3 reflectDir = reflect(-fragToLightDir, normalizedVertNorm);
float specularAmount = pow(max(dot(viewDir, reflectDir), 0.0), material.shininess);
vec3 halfwayDir = normalize(fragToLightDir + viewDir);
float specularAmount = pow(max(dot(normalizedVertNorm, halfwayDir), 0.0), material.shininess);
vec3 finalSpecular = specularAmount * light.specularColor * specularTexColor.rgb;
return (finalDiffuse + finalSpecular) * intensity;