axmol/extensions/physics-nodes/CCPhysicsDebugNodeBox2D.h

/*
 * Copyright (c) 2019 Erin Catto
 * Copyright (c) 2021 @aismann; Peter Eismann, Germany; dreifrankensoft
 *
 * 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 __PHYSICSNODES_DEBUGNODE_BOX2D_H__
#define __PHYSICSNODES_DEBUGNODE_BOX2D_H__

#include "extensions/ExtensionMacros.h"
#include "extensions/ExtensionExport.h"
#include "2d/CCDrawNode.h"
#include "box2d/box2d.h"
#include "cocos2d.h"

NS_AX_EXT_BEGIN

// This class implements debug drawing callbacks that are invoked inside b2World::Step.
class AX_EX_DLL PhysicsDebugNodeBox2D : public b2Draw
{
public:
    PhysicsDebugNodeBox2D();
    ~PhysicsDebugNodeBox2D();

    void Create();
    void Destroy();

    void DrawPolygon(const b2Vec2* vertices, int vertexCount, const b2Color& color) override;

    void DrawSolidPolygon(const b2Vec2* vertices, int vertexCount, const b2Color& color) override;

    void DrawCircle(const b2Vec2& center, float radius, const b2Color& color) override;

    void DrawSolidCircle(const b2Vec2& center, float radius, const b2Vec2& axis, const b2Color& color) override;

    void DrawSegment(const b2Vec2& p1, const b2Vec2& p2, const b2Color& color) override;

    void DrawTransform(const b2Transform& xf) override;

    void DrawPoint(const b2Vec2& p, float size, const b2Color& color) override;

    // axis stuffs
    ax::DrawNode* GetDrawNode();
    void SetDrawNode(ax::DrawNode* drawNode);
    ax::Vec2& GetDebugNodeOffset();

    ax::DrawNode* drawBP = NULL;  // axis "interface"!
    ax::Vec2 debugNodeOffset;
    float mRatio;

private:
};

NS_AX_EXT_END

#endif  //__PHYSICSNODES_DEBUGNODE_BOX2D_H__