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78 lines
3.3 KiB
C++
78 lines
3.3 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE library - "Jules' Utility Class Extensions"
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Copyright 2004-11 by Raw Material Software Ltd.
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------------------------------------------------------------------------------
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JUCE can be redistributed and/or modified under the terms of the GNU General
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Public License (Version 2), as published by the Free Software Foundation.
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A copy of the license is included in the JUCE distribution, or can be found
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online at www.gnu.org/licenses.
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JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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A PARTICULAR PURPOSE. See the GNU General Public License for more details.
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------------------------------------------------------------------------------
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To release a closed-source product which uses JUCE, commercial licenses are
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available: visit www.rawmaterialsoftware.com/juce for more information.
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==============================================================================
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*/
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#ifndef __JUCE_BOX2DRENDERER_JUCEHEADER__
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#define __JUCE_BOX2DRENDERER_JUCEHEADER__
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//=============================================================================
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/** A simple implementation of the b2Draw class, used to draw a Box2D world.
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To use it, simply create an instance of this class in your paint() method,
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and call its render() method.
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*/
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class Box2DRenderer : public b2Draw
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{
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public:
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Box2DRenderer() noexcept;
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/** Renders the world.
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@param g the context to render into
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@param world the world to render
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@param box2DWorldLeft the left coordinate of the area of the world to be drawn
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@param box2DWorldTop the top coordinate of the area of the world to be drawn
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@param box2DWorldRight the right coordinate of the area of the world to be drawn
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@param box2DWorldBottom the bottom coordinate of the area of the world to be drawn
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@param targetArea the area within the target context onto which the source
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world rectangle should be mapped
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*/
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void render (Graphics& g,
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b2World& world,
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float box2DWorldLeft, float box2DWorldTop,
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float box2DWorldRight, float box2DWorldBottom,
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const Rectangle<float>& targetArea);
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// b2Draw methods:
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void DrawPolygon (const b2Vec2*, int32, const b2Color&) override;
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void DrawSolidPolygon (const b2Vec2*, int32, const b2Color&) override;
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void DrawCircle (const b2Vec2& center, float32 radius, const b2Color&) override;
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void DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color&) override;
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void DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color&) override;
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void DrawTransform (const b2Transform& xf) override;
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/** Converts a b2Color to a juce Colour. */
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virtual Colour getColour (const b2Color&) const;
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/** Returns the thickness to use for drawing outlines. */
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virtual float getLineThickness() const;
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protected:
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Graphics* graphics;
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JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Box2DRenderer)
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};
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#endif // __JUCE_BOX2DRENDERER_JUCEHEADER__
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