source: GTP/trunk/Lib/Illum/GPUObscurancesGT/src/COLOR.cpp @ 930

//////////////////////////////////////////////////////////////////////////////////////////
//      COLOR.cpp
//      function definitions for an RGBA color class
//      You may use this code however you wish, but if you do, please credit me and
//      provide a link to my website in a readme file or similar
//      Downloaded from: www.paulsprojects.net
//      Created:        20th July 2002
//      Modified:       7th November 2002       -       Some speed improvements
//                                                                      -       Removed clamping after adds etc. Do it yourself!
//                                                                              To enable use with floating point color buffers
//                                                                      -       Corrected lerp (reversed f and 1-f)
//////////////////////////////////////////////////////////////////////////////////////////      

#include "Maths.h"

void COLOR::ClampTo01()
{
        if(r>1.0f)
                r=1.0f;
        if(r<0.0f)
                r=0.0f;

        if(g>1.0f)
                g=1.0f;
        if(g<0.0f)
                g=0.0f;

        if(b>1.0f)
                b=1.0f;
        if(b<0.0f)
                b=0.0f;

        if(a>1.0f)
                a=1.0f;
        if(a<0.0f)
                a=0.0f;
}

COLOR operator*(float scaleFactor, const COLOR & rhs)
{
        return rhs*scaleFactor;
}

bool COLOR::operator ==(const COLOR & rhs) const
{
        if(r != rhs.r)
                return false;
        if(g != rhs.g)
                return false;
        if(b != rhs.b)
                return false;
        if(a != rhs.a)
                return false;

        return true;
}