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Rename viewPos to viewDirection

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This commit is contained in:
scrawl 2016-02-21 01:28:42 +01:00
parent 8e826eefe6
commit 900b522d13
1 changed files with 2 additions and 2 deletions
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files/shaders/lighting.glsl
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@ -42,12 +42,12 @@ vec4 doLighting(vec3 viewPos, vec3 viewNormal, vec4 vertexColor)
}
vec3 getSpecular(vec3 viewNormal, vec3 viewPos, float shininess, vec3 matSpec)
vec3 getSpecular(vec3 viewNormal, vec3 viewDirection, float shininess, vec3 matSpec)
{
vec3 lightDir = normalize(gl_LightSource[0].position.xyz);
float NdotL = max(dot(viewNormal, lightDir), 0.0);
if (NdotL < 0)
return vec3(0,0,0);
vec3 halfVec = normalize(lightDir - viewPos);
vec3 halfVec = normalize(lightDir - viewDirection);
return pow(max(dot(viewNormal, halfVec), 0.0), 128) * gl_LightSource[0].specular.xyz * matSpec;
}