attached objects follow their bones

model space positions are retrieved from bones
supported more than 4 bones
improved global and local orientation methods
improved vector angle method

bone.h

@@ -5,12 +5,18 @@
 #include<string>
 
 namespace vb01{
+	class Skeleton;
+
 	class Bone : public Node{
 		public:
-			Bone(std::string,Vector3[3],Vector3=Vector3::VEC_ZERO,Quaternion=Quaternion::QUAT_W,Vector3=Vector3::VEC_ZERO);
+			Bone(std::string,float,Vector3=Vector3::VEC_ZERO,Quaternion=Quaternion::QUAT_W,Vector3=Vector3::VEC_ZERO);
 			void setPosePos(Vector3 p);
 			void setPoseRot(Quaternion r);
 			void setPoseScale(Vector3 s);
+			void lookAt(Vector3,Vector3,Node*);
+			Vector3 getModelSpacePos();
+			inline float getLength(){return length;}
+			inline void setSkeleton(Skeleton *sk){this->skeleton = sk;}
 			inline Vector3 getInitAxis(int i){return initAxis[i];}
 			inline std::string getName(){return name;}
 			inline Vector3 getRestPos(){return restPos;}
@@ -20,7 +26,8 @@ namespace vb01{
 			inline Quaternion getPoseRot(){return poseRot;}
 			inline Vector3 getPoseScale(){return poseScale;}
 		private:
-			std::string name;
+			float length;
+			Skeleton *skeleton = nullptr;
 			Vector3 initAxis[3],restPos,posePos=Vector3::VEC_ZERO,restScale,poseScale=Vector3::VEC_IJK;
 			Quaternion restRot,poseRot=Quaternion::QUAT_W;
 	};