leocad/common/lc_viewsphere.h

#pragma once

#include "lc_math.h"
#include "lc_context.h"
#include <bitset>

class View;

class lcViewSphere
{
public:
	lcViewSphere(View* View);

	void Draw();
	bool OnMouseMove();
	bool OnLeftButtonUp();
	bool OnLeftButtonDown();
	bool IsDragging() const;

	static void CreateResources(lcContext* Context);
	static void DestroyResources(lcContext* Context);

protected:
	lcMatrix44 GetViewMatrix() const;
	lcMatrix44 GetProjectionMatrix() const;
	std::bitset<6> GetIntersectionFlags(lcVector3& Intersection) const;

	View* mView;
	lcVector3 mIntersection;
	std::bitset<6> mIntersectionFlags;
	int mMouseDownX;
	int mMouseDownY;
	bool mMouseDown;

	static lcTexture* mTexture;
	static lcVertexBuffer mVertexBuffer;
	static lcIndexBuffer mIndexBuffer;
	static const float mRadius;
	static const float mHighlightRadius;
	static const int mSubdivisions;
};