136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
			
		
		
	
	
			136 lines
		
	
	
		
			4.0 KiB
		
	
	
	
		
			C++
		
	
	
	
	
	
| /*
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| * Copyright (c) 2016-2019 Irlan Robson https://irlanrobson.github.io
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| *
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| * This software is provided 'as-is', without any express or implied
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| * warranty.  In no event will the authors be held liable for any damages
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| * arising from the use of this software.
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| * Permission is granted to anyone to use this software for any purpose,
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| * including commercial applications, and to alter it and redistribute it
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| * freely, subject to the following restrictions:
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| * 1. The origin of this software must not be misrepresented; you must not
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| * claim that you wrote the original software. If you use this software
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| * in a product, an acknowledgment in the product documentation would be
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| * appreciated but is not required.
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| * 2. Altered source versions must be plainly marked as such, and must not be
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| * misrepresented as being the original software.
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| * 3. This notice may not be removed or altered from any source distribution.
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| */
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| 
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| #ifndef DRAW_H
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| #define DRAW_H
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| 
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| #include <bounce/bounce.h>
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| 
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| struct DrawPoints;
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| struct DrawLines;
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| struct DrawTriangles;
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| struct DrawWire;
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| struct DrawSolid;
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| 
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| //
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| class Camera
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| {
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| public:
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| 	Camera();
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| 
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| 	b3Mat44 BuildProjectionMatrix() const;
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| 	b3Mat44 BuildViewMatrix() const;
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| 	b3Transform BuildViewTransform() const;
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| 	b3Mat44 BuildWorldMatrix() const;
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| 	b3Transform BuildWorldTransform() const;
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| 	
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| 	b3Vec2 ConvertWorldToScreen(const b3Vec3& pw) const;
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| 	b3Ray3 ConvertScreenToWorld(const b3Vec2& ps) const;
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| 
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| 	float32 m_zoom;
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| 	b3Vec3 m_center;
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| 	b3Quat m_q;
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| 	float32 m_width, m_height;
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| 	float32 m_fovy;
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| 	float32 m_zNear;
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| 	float32 m_zFar;
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| };
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| 
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| class Draw : public b3Draw
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| {
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| public:
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| 	Draw();
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| 	~Draw();
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| 
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| 	void SetViewMatrix(const b3Mat44& m);
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| 	
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| 	void SetProjectionMatrix(const b3Mat44& m);
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| 	
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| 	void EnableDrawPoints(bool flag);
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| 	
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| 	void EnableDrawLines(bool flag);
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| 	
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| 	void EnableDrawTriangles(bool flag);
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| 
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| 	void DrawPoint(const b3Vec3& p, float32 size, const b3Color& color);
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| 
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| 	void DrawSegment(const b3Vec3& p1, const b3Vec3& p2, const b3Color& color);
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| 	
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| 	void DrawTriangle(const b3Vec3& p1, const b3Vec3& p2, const b3Vec3& p3, const b3Color& color);
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| 
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| 	void DrawSolidTriangle(const b3Vec3& normal, const b3Vec3& p1, const b3Vec3& p2, const b3Vec3& p3, const b3Color& color);
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| 
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| 	void DrawPolygon(const b3Vec3* vertices, u32 count, const b3Color& color);
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| 	
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| 	void DrawSolidPolygon(const b3Vec3& normal, const b3Vec3* vertices, u32 count, const b3Color& color);
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| 
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| 	void DrawCircle(const b3Vec3& normal, const b3Vec3& center, float32 radius, const b3Color& color);
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| 
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| 	void DrawSolidCircle(const b3Vec3& normal, const b3Vec3& center, float32 radius, const b3Color& color);
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| 
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| 	void DrawSphere(const b3Vec3& center, float32 radius, const b3Color& color);
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| 	
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| 	void DrawSolidSphere(const b3Vec3& center, float32 radius, const b3Color& color);
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| 
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| 	void DrawCapsule(const b3Vec3& p1, const b3Vec3& p2, float32 radius, const b3Color& color);
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| 
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| 	void DrawSolidCapsule(const b3Vec3& p1, const b3Vec3& p2, float32 radius, const b3Color& color);
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| 
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| 	void DrawAABB(const b3AABB3& aabb, const b3Color& color);
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| 
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| 	void DrawTransform(const b3Transform& xf);
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| 
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| 	void DrawString(const b3Color& color, const b3Vec2& ps, const char* string, ...);
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| 	
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| 	void DrawString(const b3Color& color, const b3Vec3& pw, const char* string, ...);
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| 
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| 	void DrawString(const b3Color& color, const char* string, ...);
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| 
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| 	void DrawSolidSphere(const b3SphereShape* s, const b3Color& c, const b3Transform& xf);
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| 
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| 	void DrawSolidCapsule(const b3CapsuleShape* s, const b3Color& c, const b3Transform& xf);
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| 	
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| 	void DrawSolidHull(const b3HullShape* s, const b3Color& c, const b3Transform& xf);
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| 	
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| 	void DrawSolidMesh(const b3MeshShape* s, const b3Color& c, const b3Transform& xf);
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| 
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| 	void DrawSolidShape(const b3Shape* s, const b3Color& c, const b3Transform& xf);
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| 
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| 	void DrawSolidShapes(const b3World& world);
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| 
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| 	void Flush();
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| private:
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| 	friend struct DrawPoints;
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| 	friend struct DrawLines;
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| 	friend struct DrawTriangles;
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| 
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| 	DrawPoints* m_points;
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| 	DrawLines* m_lines;
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| 	DrawTriangles* m_triangles;
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| 
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| 	friend struct DrawWire;
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| 	friend struct DrawSolid;
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| 
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| 	DrawWire* m_wire;
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| 	DrawSolid* m_solid;
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| };
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| 
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| extern Camera* g_camera;
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| extern Draw* g_draw;
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| 
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| #endif |