1 files changed, 97 insertions, 0 deletions
diff --git a/ThirdParty/Box2D/Common/b2Draw.h b/ThirdParty/Box2D/Common/b2Draw.h
new file mode 100644
index 0000000..ef81826
--- /dev/null
+++ b/ThirdParty/Box2D/Common/b2Draw.h
@@ -0,0 +1,97 @@
+/*
+* Copyright (c) 2011 Erin Catto http://box2d.org
+*
+* This software is provided 'as-is', without any express or implied
+* warranty.  In no event will the authors be held liable for any damages
+* arising from the use of this software.
+* Permission is granted to anyone to use this software for any purpose,
+* including commercial applications, and to alter it and redistribute it
+* freely, subject to the following restrictions:
+* 1. The origin of this software must not be misrepresented; you must not
+* claim that you wrote the original software. If you use this software
+* in a product, an acknowledgment in the product documentation would be
+* appreciated but is not required.
+* 2. Altered source versions must be plainly marked as such, and must not be
+* misrepresented as being the original software.
+* 3. This notice may not be removed or altered from any source distribution.
+*/
+
+#ifndef B2_DRAW_H
+#define B2_DRAW_H
+
+#include "Box2D/Common/b2Math.h"
+
+/// Color for debug drawing. Each value has the range [0,1].
+struct b2Color
+{
+	b2Color() {}
+	b2Color(float32 rIn, float32 gIn, float32 bIn, float32 aIn = 1.0f)
+	{
+		r = rIn; g = gIn; b = bIn; a = aIn;
+	}
+
+	void Set(float32 rIn, float32 gIn, float32 bIn, float32 aIn = 1.0f)
+	{
+		r = rIn; g = gIn; b = bIn; a = aIn;
+	}
+
+	float32 r, g, b, a;
+};
+
+/// Implement and register this class with a b2World to provide debug drawing of physics
+/// entities in your game.
+class b2Draw
+{
+public:
+	b2Draw();
+
+	virtual ~b2Draw() {}
+
+	enum
+	{
+		e_shapeBit				= 0x0001,	///< draw shapes
+		e_jointBit				= 0x0002,	///< draw joint connections
+		e_aabbBit				= 0x0004,	///< draw axis aligned bounding boxes
+		e_pairBit				= 0x0008,	///< draw broad-phase pairs
+		e_centerOfMassBit		= 0x0010	///< draw center of mass frame
+	};
+
+	/// Set the drawing flags.
+	void SetFlags(uint32 flags);
+
+	/// Get the drawing flags.
+	uint32 GetFlags() const;
+	
+	/// Append flags to the current flags.
+	void AppendFlags(uint32 flags);
+
+	/// Clear flags from the current flags.
+	void ClearFlags(uint32 flags);
+
+	/// Draw a closed polygon provided in CCW order.
+	virtual void DrawPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0;
+
+	/// Draw a solid closed polygon provided in CCW order.
+	virtual void DrawSolidPolygon(const b2Vec2* vertices, int32 vertexCount, const b2Color& color) = 0;
+
+	/// Draw a circle.
+	virtual void DrawCircle(const b2Vec2& center, float32 radius, const b2Color& color) = 0;
+	
+	/// Draw a solid circle.
+	virtual void DrawSolidCircle(const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color& color) = 0;
+	
+	/// Draw a line segment.
+	virtual void DrawSegment(const b2Vec2& p1, const b2Vec2& p2, const b2Color& color) = 0;
+
+	/// Draw a transform. Choose your own length scale.
+	/// @param xf a transform.
+	virtual void DrawTransform(const b2Transform& xf) = 0;
+
+	/// Draw a point.
+	virtual void DrawPoint(const b2Vec2& p, float32 size, const b2Color& color) = 0;
+
+protected:
+	uint32 m_drawFlags;
+};
+
+#endif