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/**
* @file atmosphericsHelpersV.glsl
*
* $LicenseInfo:firstyear=2005&license=viewerlgpl$
* $/LicenseInfo$
*/
#version 120
// Output variables
vec3 getSunlitColor();
vec3 getAmblitColor();
vec3 getAdditiveColor();
vec3 getAtmosAttenuation();
vec3 getPositionEye();
uniform float scene_light_strength;
vec3 atmosAmbient(vec3 light)
{
return getAmblitColor() + light / 2.0;
}
vec3 atmosAffectDirectionalLight(float lightIntensity)
{
return getSunlitColor() * lightIntensity;
}
vec3 atmosGetDiffuseSunlightColor()
{
return getSunlitColor();
}
vec3 scaleDownLight(vec3 light)
{
return (light / scene_light_strength );
}
vec3 scaleUpLight(vec3 light)
{
return (light * scene_light_strength);
}
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