Abstract base class for collsion shape types. More...

Public Member Functions
(cpBB)	- cacheBB
	Update and cache the axis-aligned bounding box for this shape.
(bool)	- pointQuery:
	Check if a point in absolute coordinates lies within the shape.
Static Public Member Functions
(ChipmunkShape *)	+ shapeFromCPShape:
	Get the ChipmunkShape object associciated with a cpShape pointer.
Properties
cpShape *	shape
	Returns a pointer to the underlying cpShape C struct.
ChipmunkBody *	body
	The ChipmunkBody that this shape is attached to.
cpBB	bb
	The axis-aligned bounding box for this shape.
BOOL	sensor
	Sensor shapes send collision callback messages, but don't create a collision response.
cpFloat	elasticity
	How bouncy this shape is.
cpFloat	friction
	How much friction this shape has.
cpVect	surfaceVel
	The velocity of the shape's surface.
id	collisionType
	An object reference used as a collision type identifier.
id	group
	An object reference used as a collision group identifier.
cpLayers	layers
	A layer bitmask that defines which objects.
id	data
	An object that this shape is associated with.

Detailed Description

Abstract base class for collsion shape types.

Member Function Documentation

+ (ChipmunkShape *) shapeFromCPShape: (cpShape *) shape

Get the ChipmunkShape object associciated with a cpShape pointer.

Undefined if the cpShape wasn't created using Objective-Chipmunk.

- (id) collisionType [read, write, assign]

An object reference used as a collision type identifier.

This is used when defining collision handlers.

Attention:: Like most delegate properties this is a weak reference and does not call retain.

- (id) data [read, write, assign]

An object that this shape is associated with.

You can use this get a reference to your game object or controller object from within callbacks.

Attention:: Like most delegate properties this is a weak reference and does not call retain. This prevents reference cycles from occuring.

- (id) group [read, write, assign]

An object reference used as a collision group identifier.

Shapes with the same group do not collide.

Attention:: Like most delegate properties this is a weak reference and does not call retain.

- (cpVect) surfaceVel [read, write, assign]

The velocity of the shape's surface.

This velocity is used in the collision response when calculating the friction only.

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