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88 lines
3.6 KiB
C++
88 lines
3.6 KiB
C++
/*
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==============================================================================
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This file is part of the JUCE framework.
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Copyright (c) Raw Material Software Limited
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JUCE is an open source framework subject to commercial or open source
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licensing.
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By downloading, installing, or using the JUCE framework, or combining the
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JUCE framework with any other source code, object code, content or any other
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copyrightable work, you agree to the terms of the JUCE End User Licence
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Agreement, and all incorporated terms including the JUCE Privacy Policy and
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the JUCE Website Terms of Service, as applicable, which will bind you. If you
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do not agree to the terms of these agreements, we will not license the JUCE
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framework to you, and you must discontinue the installation or download
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process and cease use of the JUCE framework.
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JUCE End User Licence Agreement: https://juce.com/legal/juce-8-licence/
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JUCE Privacy Policy: https://juce.com/juce-privacy-policy
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JUCE Website Terms of Service: https://juce.com/juce-website-terms-of-service/
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Or:
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You may also use this code under the terms of the AGPLv3:
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https://www.gnu.org/licenses/agpl-3.0.en.html
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THE JUCE FRAMEWORK IS PROVIDED "AS IS" WITHOUT ANY WARRANTY, AND ALL
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WARRANTIES, WHETHER EXPRESSED OR IMPLIED, INCLUDING WARRANTY OF
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MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE, ARE DISCLAIMED.
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==============================================================================
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*/
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namespace juce
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{
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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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@tags{Box2D}
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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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} // namespace juce
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