Spring RTS Engine

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		void DecayColors() {
			const bool expAmbientDecay  = (decayFunctionType.x != 0.0f);
			const bool expDiffuseDecay  = (decayFunctionType.y != 0.0f);
			const bool expSpecularDecay = (decayFunctionType.z != 0.0f);

			if (expAmbientDecay) {
				ambientColor *= ambientDecayRate;
			} else {
				ambientColor -= ambientDecayRate;
			}

			if (expDiffuseDecay) {
				diffuseColor *= diffuseDecayRate;
			} else {
				diffuseColor -= diffuseDecayRate;
			}

			if (expSpecularDecay) {
				specularColor *= specularDecayRate;
			} else {
				specularColor -= specularDecayRate;
			}
		}