mirror of
https://github.com/juce-framework/JUCE.git
synced 2026-01-11 23:54:18 +00:00
77 lines
3.1 KiB
C++
77 lines
3.1 KiB
C++
/*
|
|
==============================================================================
|
|
|
|
This file is part of the JUCE library.
|
|
Copyright (c) 2015 - ROLI Ltd.
|
|
|
|
Permission is granted to use this software under the terms of either:
|
|
a) the GPL v2 (or any later version)
|
|
b) the Affero GPL v3
|
|
|
|
Details of these licenses can be found at: www.gnu.org/licenses
|
|
|
|
JUCE is distributed in the hope that it will be useful, but WITHOUT ANY
|
|
WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
|
|
A PARTICULAR PURPOSE. See the GNU General Public License for more details.
|
|
|
|
------------------------------------------------------------------------------
|
|
|
|
To release a closed-source product which uses JUCE, commercial licenses are
|
|
available: visit www.juce.com for more information.
|
|
|
|
==============================================================================
|
|
*/
|
|
|
|
#ifndef JUCE_BOX2DRENDERER_H_INCLUDED
|
|
#define JUCE_BOX2DRENDERER_H_INCLUDED
|
|
|
|
//==============================================================================
|
|
/** A simple implementation of the b2Draw class, used to draw a Box2D world.
|
|
|
|
To use it, simply create an instance of this class in your paint() method,
|
|
and call its render() method.
|
|
*/
|
|
class Box2DRenderer : public b2Draw
|
|
|
|
{
|
|
public:
|
|
Box2DRenderer() noexcept;
|
|
|
|
/** Renders the world.
|
|
|
|
@param g the context to render into
|
|
@param world the world to render
|
|
@param box2DWorldLeft the left coordinate of the area of the world to be drawn
|
|
@param box2DWorldTop the top coordinate of the area of the world to be drawn
|
|
@param box2DWorldRight the right coordinate of the area of the world to be drawn
|
|
@param box2DWorldBottom the bottom coordinate of the area of the world to be drawn
|
|
@param targetArea the area within the target context onto which the source
|
|
world rectangle should be mapped
|
|
*/
|
|
void render (Graphics& g,
|
|
b2World& world,
|
|
float box2DWorldLeft, float box2DWorldTop,
|
|
float box2DWorldRight, float box2DWorldBottom,
|
|
const Rectangle<float>& targetArea);
|
|
|
|
// b2Draw methods:
|
|
void DrawPolygon (const b2Vec2*, int32, const b2Color&) override;
|
|
void DrawSolidPolygon (const b2Vec2*, int32, const b2Color&) override;
|
|
void DrawCircle (const b2Vec2& center, float32 radius, const b2Color&) override;
|
|
void DrawSolidCircle (const b2Vec2& center, float32 radius, const b2Vec2& axis, const b2Color&) override;
|
|
void DrawSegment (const b2Vec2& p1, const b2Vec2& p2, const b2Color&) override;
|
|
void DrawTransform (const b2Transform& xf) override;
|
|
|
|
/** Converts a b2Color to a juce Colour. */
|
|
virtual Colour getColour (const b2Color&) const;
|
|
/** Returns the thickness to use for drawing outlines. */
|
|
virtual float getLineThickness() const;
|
|
|
|
protected:
|
|
Graphics* graphics;
|
|
|
|
JUCE_DECLARE_NON_COPYABLE_WITH_LEAK_DETECTOR (Box2DRenderer)
|
|
};
|
|
|
|
|
|
#endif // JUCE_BOX2DRENDERER_H_INCLUDED
|