Box2DRenderer Class Reference
juce_box2d » utils

A simple implementation of the b2Draw class, used to draw a Box2D world. More...

Inherits b2Draw.

## Public Member Functions

| Box2DRenderer () noexcept
void | render (Graphics &g, b2World &world, float box2DWorldLeft, float box2DWorldTop, float box2DWorldRight, float box2DWorldBottom, const Rectangle< float > &targetArea)
| Renders the world. More...
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
virtual Colour | getColour (const b2Color &) const
| Converts a b2Color to a juce Colour. More...
virtual float | getLineThickness () const
| Returns the thickness to use for drawing outlines. More...

## Protected Attributes

Graphics * | graphics

## Detailed Description

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.

## Constructor & Destructor Documentation

## Box2DRenderer()

Box2DRenderer::Box2DRenderer | ( |  | ) |

noexcept

## Member Function Documentation

## render()

void Box2DRenderer::render | ( | Graphics & | g,
|  | b2World & | world,
|  | float | box2DWorldLeft,
|  | float | box2DWorldTop,
|  | float | box2DWorldRight,
|  | float | box2DWorldBottom,
|  | const Rectangle< float > & | targetArea
| ) |  |

Renders the world.

Parameters

  g | the context to render into
  world | the world to render
  box2DWorldLeft | the left coordinate of the area of the world to be drawn
  box2DWorldTop | the top coordinate of the area of the world to be drawn
  box2DWorldRight | the right coordinate of the area of the world to be drawn
  box2DWorldBottom | the bottom coordinate of the area of the world to be drawn
  targetArea | the area within the target context onto which the source world rectangle should be mapped

## DrawPolygon()

void Box2DRenderer::DrawPolygon | ( | const b2Vec2 * | ,
|  | int32 | ,
|  | const b2Color & |
| ) |  |

override

## DrawSolidPolygon()

void Box2DRenderer::DrawSolidPolygon | ( | const b2Vec2 * | ,
|  | int32 | ,
|  | const b2Color & |
| ) |  |

override

## DrawCircle()

void Box2DRenderer::DrawCircle | ( | const b2Vec2 & | center,
|  | float32 | radius,
|  | const b2Color & |
| ) |  |

override

## DrawSolidCircle()

void Box2DRenderer::DrawSolidCircle | ( | const b2Vec2 & | center,
|  | float32 | radius,
|  | const b2Vec2 & | axis,
|  | const b2Color & |
| ) |  |

override

## DrawSegment()

void Box2DRenderer::DrawSegment | ( | const b2Vec2 & | p1,
|  | const b2Vec2 & | p2,
|  | const b2Color & |
| ) |  |

override

## DrawTransform()

void Box2DRenderer::DrawTransform | ( | const b2Transform & | xf | ) |

override

## getColour()

virtual Colour Box2DRenderer::getColour | ( | const b2Color & |  | ) | const

virtual

Converts a b2Color to a juce Colour.

## getLineThickness()

virtual float Box2DRenderer::getLineThickness | ( |  | ) | const

virtual

Returns the thickness to use for drawing outlines.

## Member Data Documentation

## graphics

Graphics* Box2DRenderer::graphics

protected

The documentation for this class was generated from the following file:

- juce_Box2DRenderer.h