= 1.0f ) { retColor = colorB; } else { retColor[0] = lerp(colorA[0], colorB[0], factor); retColor[1] = lerp(colorA[1], colorB[1], factor); retColor[2] = lerp(colorA[2], colorB[2], factor); } } else if (operation==3) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorA[0] * (colorB[0] * factor + (1 - factor)); retColor[1] = colorA[1] * (colorB[1] * factor + (1 - factor)); retColor[2] = colorA[2] * (colorB[2] * factor + (1 - factor)); } } else if (operation==4) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)); retColor[1] = 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)); retColor[2] = 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)); } } else if (operation==5) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorB[0] > 0.5 ? (2 * colorA[0] * colorB[0] * factor ) + colorA[0] * (1 - factor): 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)) * (2 - (1 - factor)); retColor[1] = colorB[1] > 0.5 ? (2 * colorA[1] * colorB[1] * factor ) + colorA[1] * (1 - factor): 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)) * (2 - (1 - factor)); retColor[2] = colorB[2] > 0.5 ? (2 * colorA[2] * colorB[2] * factor ) + colorA[2] * (1 - factor): 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)) * (2 - (1 - factor)); } } else if (operation==6) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = abs(colorA[0] - (colorB[0] * factor)); retColor[1] = abs(colorA[1] - (colorB[1] * factor)); retColor[2] = abs(colorA[2] - (colorB[2] * factor)); } } else if (operation==7) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(lerp(colorA[0], colorA[0] / max(1 - colorB[0], 0.00001), factor), colorA[0], colorB[0]); retColor[1] = clamp(lerp(colorA[1], colorA[1] / max(1 - colorB[1], 0.00001), factor), colorA[1], colorB[1]); retColor[2] = clamp(lerp(colorA[2], colorA[2] / max(1 - colorB[2], 0.00001), factor), colorA[2], colorB[2]); } } else if (operation==8) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(lerp(colorA[0], 1 - (colorA[0] / max(1 - colorB[0], 0.00001)), factor), colorA[0], colorB[0]); retColor[1] = clamp(lerp(colorA[1], 1 - (colorA[1] / max(1 - colorB[1], 0.00001)), factor), colorA[1], colorB[1]); retColor[2] = clamp(lerp(colorA[2], 1 - (colorA[2] / max(1 - colorB[2], 0.00001)), factor), colorA[2], colorB[2]); } } return retColor; } ]]> = 1.0f ) { retColor = colorB; } else { retColor[0] = lerp(colorA[0], colorB[0], factor); retColor[1] = lerp(colorA[1], colorB[1], factor); retColor[2] = lerp(colorA[2], colorB[2], factor); } } else if (operation==3) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorA[0] * (colorB[0] * factor + (1 - factor)); retColor[1] = colorA[1] * (colorB[1] * factor + (1 - factor)); retColor[2] = colorA[2] * (colorB[2] * factor + (1 - factor)); } } else if (operation==4) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)); retColor[1] = 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)); retColor[2] = 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)); } } else if (operation==5) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorB[0] > 0.5 ? (2 * colorA[0] * colorB[0] * factor ) + colorA[0] * (1 - factor): 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)) * (2 - (1 - factor)); retColor[1] = colorB[1] > 0.5 ? (2 * colorA[1] * colorB[1] * factor ) + colorA[1] * (1 - factor): 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)) * (2 - (1 - factor)); retColor[2] = colorB[2] > 0.5 ? (2 * colorA[2] * colorB[2] * factor ) + colorA[2] * (1 - factor): 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)) * (2 - (1 - factor)); } } else if (operation==6) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = abs(colorA[0] - (colorB[0] * factor)); retColor[1] = abs(colorA[1] - (colorB[1] * factor)); retColor[2] = abs(colorA[2] - (colorB[2] * factor)); } } else if (operation==7) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(lerp(colorA[0], colorA[0] / max(1 - colorB[0], 0.00001), factor), colorA[0], colorB[0]); retColor[1] = clamp(lerp(colorA[1], colorA[1] / max(1 - colorB[1], 0.00001), factor), colorA[1], colorB[1]); retColor[2] = clamp(lerp(colorA[2], colorA[2] / max(1 - colorB[2], 0.00001), factor), colorA[2], colorB[2]); } } else if (operation==8) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(lerp(colorA[0], 1 - (colorA[0] / max(1 - colorB[0], 0.00001)), factor), colorA[0], colorB[0]); retColor[1] = clamp(lerp(colorA[1], 1 - (colorA[1] / max(1 - colorB[1], 0.00001)), factor), colorA[1], colorB[1]); retColor[2] = clamp(lerp(colorA[2], 1 - (colorA[2] / max(1 - colorB[2], 0.00001)), factor), colorA[2], colorB[2]); } } return retColor; } ]]> = 1.0f ) { retColor = colorB; } else { retColor[0] = mix(colorA[0], colorB[0], factor); retColor[1] = mix(colorA[1], colorB[1], factor); retColor[2] = mix(colorA[2], colorB[2], factor); } } else if (operation==3) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorA[0] * (colorB[0] * factor + (1 - factor)); retColor[1] = colorA[1] * (colorB[1] * factor + (1 - factor)); retColor[2] = colorA[2] * (colorB[2] * factor + (1 - factor)); } } else if (operation==4) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)); retColor[1] = 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)); retColor[2] = 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)); } } else if (operation==5) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = colorB[0] > 0.5 ? (2 * colorA[0] * colorB[0] * factor ) + colorA[0] * (1 - factor): 1 - ((1 - colorA[0]) * (1 - colorB[0] * factor)) * (2 - (1 - factor)); retColor[1] = colorB[1] > 0.5 ? (2 * colorA[1] * colorB[1] * factor ) + colorA[1] * (1 - factor): 1 - ((1 - colorA[1]) * (1 - colorB[1] * factor)) * (2 - (1 - factor)); retColor[2] = colorB[2] > 0.5 ? (2 * colorA[2] * colorB[2] * factor ) + colorA[2] * (1 - factor): 1 - ((1 - colorA[2]) * (1 - colorB[2] * factor)) * (2 - (1 - factor)); } } else if (operation==6) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = abs(colorA[0] - (colorB[0] * factor)); retColor[1] = abs(colorA[1] - (colorB[1] * factor)); retColor[2] = abs(colorA[2] - (colorB[2] * factor)); } } else if (operation==7) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(mix(colorA[0], colorA[0] / max(1 - colorB[0], 0.00001), factor), colorA[0], colorB[0]); retColor[1] = clamp(mix(colorA[1], colorA[1] / max(1 - colorB[1], 0.00001), factor), colorA[1], colorB[1]); retColor[2] = clamp(mix(colorA[2], colorA[2] / max(1 - colorB[2], 0.00001), factor), colorA[2], colorB[2]); } } else if (operation==8) { if ( factor <= 0.0f ) { retColor = colorA; } else { retColor[0] = clamp(mix(colorA[0], 1 - (colorA[0] / max(1 - colorB[0], 0.00001)), factor), colorA[0], colorB[0]); retColor[1] = clamp(mix(colorA[1], 1 - (colorA[1] / max(1 - colorB[1], 0.00001)), factor), colorA[1], colorB[1]); retColor[2] = clamp(mix(colorA[2], 1 - (colorA[2] / max(1 - colorB[2], 0.00001)), factor), colorA[2], colorB[2]); } } return retColor; } ]]>