rest of animation coding

animation , animator , keyframe & quaterions
compiling but not debuged at all

OpenWindow/quaternion.h

@@ -0,0 +1,17 @@
+#pragma once
+#include "geometry.h"
+class Quaternion
+{
+private:
+	float x_, y_, z_, w_;
+
+
+public:
+	Quaternion() = default;
+	Quaternion(float x, float y, float z, float w);
+	void normalize();
+	Matrix toRotationMatrix();
+	static Quaternion fromMatrix(Matrix matrix);
+	static Quaternion interpolate(Quaternion a, Quaternion b, float blend);
+};
+