Phaser Class: Circle

## Phaser.Physics.Ninja. Circle

#### new Circle(body, x, y, radius)

  Ninja Physics Circle constructor.
  Note: This class could be massively optimised and reduced in size. I leave that challenge up to you.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `body` | Phaser.Physics.Ninja.Body | The body that owns this shape.
  `x` | number | The x coordinate to create this shape at.
  `y` | number | The y coordinate to create this shape at.
  `radius` | number | The radius of this Circle.

  Source - physics/ninja/Circle.js, line 19

### Members

#### body

  ##### Properties:

  Name | Type | Description
  --- | --- | ---
  `system` | Phaser.Physics.Ninja.Body | A reference to the body that owns this shape.

  Source - physics/ninja/Circle.js, line 24

#### circleTileProjections :object

  All of the collision response handlers.

  Source - physics/ninja/Circle.js, line 90

#### <readonly> height :number

  The height.

  Source - physics/ninja/Circle.js, line 68

#### oldpos :Phaser.Point

  The position of this object in the previous update.

  Source - physics/ninja/Circle.js, line 39

#### pos :Phaser.Point

  The position of this object.

  Source - physics/ninja/Circle.js, line 34

#### radius :number

  The radius of this circle shape.

  Source - physics/ninja/Circle.js, line 44

#### system :Phaser.Physics.Ninja

  A reference to the physics system.

  Source - physics/ninja/Circle.js, line 29

#### velocity :Phaser.Point

  The velocity of this object.

  Source - physics/ninja/Circle.js, line 85

#### <readonly> width :number

  The width.

  Source - physics/ninja/Circle.js, line 62

#### <readonly> xw :number

  Half the width.

  Source - physics/ninja/Circle.js, line 50

#### <readonly> yw

  ##### Properties:

  Name | Type | Description
  --- | --- | ---
  `xw` | number | Half the height.

  Source - physics/ninja/Circle.js, line 56

### Methods

#### collideCircleVsTile(t) → {boolean}

  Collides this Circle with a Tile.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  boolean -

  True if they collide, otherwise false.

  Source - physics/ninja/Circle.js, line 248

#### collideWorldBounds()

  Collides this Circle against the world bounds.

  Source - physics/ninja/Circle.js, line 207

#### destroy()

  Destroys this Circle's reference to Body and System

  Source - physics/ninja/Circle.js, line 2612

#### integrate()

  Updates this Circles position.

  Source - physics/ninja/Circle.js, line 112

#### projCircle_22DegB(x, y, oH, oV, obj, t) → {number}

  Resolves 22 Degree tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 1719

#### projCircle_22DegS(x, y, oH, oV, obj, t) → {number}

  Resolves 22 Degree tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 1427

#### projCircle_45Deg(x, y, oH, oV, obj, t) → {number}

  Resolves 45 Degree tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 447

#### projCircle_67DegB(x, y, oH, oV, obj, t) → {number}

  Resolves 67 Degree tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 2307

#### projCircle_67DegS(x, y, oH, oV, obj, t) → {number}

  Resolves 67 Degree tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 2022

#### projCircle_Concave(x, y, oH, oV, obj, t) → {number}

  Resolves Concave tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 717

#### projCircle_Convex(x, y, oH, oV, obj, t) → {number}

  Resolves Convex tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 951

#### projCircle_Full(x, y, oH, oV, obj, t) → {number}

  Resolves Full tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 335

#### projCircle_Half(x, y, oH, oV, obj, t) → {number}

  Resolves Half tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 1193

#### render(context, xOffset, yOffset, color, filled)

  Render this circle for debugging purposes.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `context` | object | The context to render to.
  `xOffset` | number | X offset from circle's position to render at.
  `yOffset` | number | Y offset from circle's position to render at.
  `color` | string | color of the debug shape to be rendered. (format is css color string).
  `filled` | boolean | Render the shape as solid (true) or hollow (false).

  Source - physics/ninja/Circle.js, line 2622

#### reportCollisionVsWorld(px, py, dx, dy, obj)

  Process a world collision and apply the resulting forces.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `px` | number | The tangent velocity
  `py` | number | The tangent velocity
  `dx` | number | Collision normal
  `dy` | number | Collision normal
  `obj` | number | Object this Circle collided with

  Source - physics/ninja/Circle.js, line 132

#### resolveCircleTile(x, y, oH, oV, obj, t) → {number}

  Resolves tile collision.

  ##### Parameters:

  Name | Type | Description
  --- | --- | ---
  `x` | number | Penetration depth on the x axis.
  `y` | number | Penetration depth on the y axis.
  `oH` | number | Grid / voronoi region.
  `oV` | number | Grid / voronoi region.
  `obj` | Phaser.Physics.Ninja.Circle | The Circle involved in the collision.
  `t` | Phaser.Physics.Ninja.Tile | The Tile involved in the collision.

  ##### Returns:

  number -

  The result of the collision.

  Source - physics/ninja/Circle.js, line 310