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Added RGB to HSL

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This commit is contained in:
CookieMichal 2014-07-07 15:43:34 +02:00
parent e236758118
commit 91e0055a83
1 changed files with 43 additions and 0 deletions
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43
src/game/client/gameclient.h
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@ -12,6 +12,16 @@
#include <game/teamscore.h>
#define MIN3(x,y,z) ((y) <= (z) ? \
((x) <= (y) ? (x) : (y)) \
: \
((x) <= (z) ? (x) : (z)))
#define MAX3(x,y,z) ((y) >= (z) ? \
((x) >= (y) ? (x) : (y)) \
: \
((x) >= (z) ? (x) : (z)))
class CGameClient : public IGameClient
{
class CStack
@ -302,6 +312,39 @@ inline vec3 HslToRgb(vec3 HSL)
}
}
inline vec3 RgbToHsl(vec3 RGB)
{
vec3 HSL;
float maxColor = MAX3(RGB.r, RGB.g, RGB.b);
float minColor = MIN3(RGB.r, RGB.g, RGB.b);
if (minColor == maxColor)
return vec3(0.0f, 0.0f, RGB.g * 255.0f);
else
{
HSL.l = (minColor + maxColor) / 2;
if (HSL.l < 0.5)
HSL.s = (maxColor - minColor) / (maxColor + minColor);
else
HSL.s = (maxColor - minColor) / (2.0 - maxColor - minColor);
if (RGB.r == maxColor)
HSL.h = (RGB.g - RGB.b) / (maxColor - minColor);
else if (RGB.g == maxColor)
HSL.h = 2.0 + (RGB.b - RGB.r) / (maxColor - minColor);
else
HSL.h = 4.0 + (RGB.r - RGB.g) / (maxColor - minColor);
HSL.h /= 6; //to bring it to a number between 0 and 1
if (HSL.h < 0) HSL.h++;
}
HSL.h = int(HSL.h * 255.0);
HSL.s = int(HSL.s * 255.0);
HSL.l = int(HSL.l * 255.0);
return HSL;
}
extern const char *Localize(const char *Str);