Generalized interpolation functions. (orientation spectrum not working properly (quaterions...))

src/Systems/ParticleSystem.h

@@ -21,6 +21,7 @@ namespace Systems
 		double SpawnTime;
 		float Scale;
 		float AngularVelocity;
+		glm::vec3 Orientation;
 		Color color;
 	};
 
@@ -34,10 +35,10 @@ public:
 private:
 	void SpawnParticles(EntityID emitterID);
 	float RandomizeAngle(float spreadAngle);
-	void ScaleInterpolation(double timeProgress, std::vector<float> scaleSpectrum, glm::vec3 &scale);
-	void VelocityInterpolation(double timeProgress, std::vector<glm::vec3> velocitySpectrum, glm::vec3 &velocity);
-	void ColorInterpolation(double timeProgress, std::vector<Color> colorSpectrum, Color &color);
-	void AngularVelocityInterpolation(double timeProgress, std::vector<float> spectrum, float &angularVelocity);
+	//void ScaleInterpolation(double timeProgress, std::vector<float> spectrum, glm::vec3 &scale);
+	void VectorInterpolation(double timeProgress, std::vector<glm::vec3> spectrum, glm::vec3 &velocity);
+	//void ColorInterpolation(double timeProgress, std::vector<Color> spectrum, Color &color);
+	void ScalarInterpolation(double timeProgress, std::vector<float> spectrum, float &alpha);
 	void Billboard();
 	std::map<EntityID, std::list<ParticleData>> m_ParticleEmitter;
 	std::map<EntityID, double> m_TimeSinceLastSpawn;