Basic Types

Defines
#define	cpfsqrt   sqrt
#define	cpfsin   sin
#define	cpfcos   cos
#define	cpfacos   acos
#define	cpfatan2   atan2
#define	cpfmod   fmod
#define	cpfexp   exp
#define	cpfpow   pow
#define	cpffloor   floor
#define	cpfceil   ceil
#define	INFINITY   (1e1000)
#define	M_PI   3.14159265358979323846264338327950288
#define	M_E   2.71828182845904523536028747135266250
#define	cpTrue   1
	true value.
#define	cpFalse   0
	false value.
#define	CP_NO_GROUP   ((cpGroup)0)
	Value for cpShape.group signifying that a shape is in no group.
#define	CP_ALL_LAYERS   (~(cpLayers)0)
	Value for cpShape.layers signifying that a shape is in every layer.
Typedefs
typedef double	cpFloat
typedef uintptr_t	cpHashValue
	Hash value type.
typedef int	cpBool
	Chipmunk's boolean type.
typedef void *	cpDataPointer
	Type used for user data pointers.
typedef uintptr_t	cpCollisionType
	Type used for cpSpace.collision_type.
typedef uintptr_t	cpGroup
	Type used for cpShape.group.
typedef unsigned int	cpLayers
	Type used for cpShape.layers.
typedef unsigned int	cpTimestamp
	Type used for various timestamps in Chipmunk.
Functions
static cpFloat	cpfmax (cpFloat a, cpFloat b)
	Return the max of two cpFloats.
static cpFloat	cpfmin (cpFloat a, cpFloat b)
	Return the min of two cpFloats.
static cpFloat	cpfabs (cpFloat f)
	Return the absolute value of a cpFloat.
static cpFloat	cpfclamp (cpFloat f, cpFloat min, cpFloat max)
	Clamp f to be between min and max.
static cpFloat	cpfclamp01 (cpFloat f)
	Clamp f to be between 0 and 1.
static cpFloat	cpflerp (cpFloat f1, cpFloat f2, cpFloat t)
	Linearly interpolate (or extrapolate) between f1 and f2 by t percent.
static cpFloat	cpflerpconst (cpFloat f1, cpFloat f2, cpFloat d)
	Linearly interpolate from f1 to f2 by no more than d.

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Detailed Description

Most of these types can be configured at compile time.

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Define Documentation

#define CP_ALL_LAYERS   (~(cpLayers)0)

Value for cpShape.layers signifying that a shape is in every layer.

#define CP_NO_GROUP   ((cpGroup)0)

Value for cpShape.group signifying that a shape is in no group.

#define cpfacos   acos

#define cpFalse   0

false value.

#define cpfatan2   atan2

#define cpfceil   ceil

#define cpfcos   cos

#define cpfexp   exp

#define cpffloor   floor

#define cpfmod   fmod

#define cpfpow   pow

#define cpfsin   sin

#define cpfsqrt   sqrt

#define cpTrue   1

true value.

#define INFINITY   (1e1000)

#define M_E   2.71828182845904523536028747135266250

#define M_PI   3.14159265358979323846264338327950288

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Typedef Documentation

typedef int cpBool

Chipmunk's boolean type.

typedef uintptr_t cpCollisionType

Type used for cpSpace.collision_type.

typedef void* cpDataPointer

Type used for user data pointers.

typedef double cpFloat

Chipmunk's floating point type. Can be reconfigured at compile time.

typedef uintptr_t cpGroup

Type used for cpShape.group.

typedef uintptr_t cpHashValue

Hash value type.

typedef unsigned int cpLayers

Type used for cpShape.layers.

typedef unsigned int cpTimestamp

Type used for various timestamps in Chipmunk.

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Function Documentation

static cpFloat cpfabs

(

cpFloat

f

)

[inline, static]

Return the absolute value of a cpFloat.

static cpFloat cpfclamp	(	cpFloat	f,
		cpFloat	min,
		cpFloat	max
	)		[inline, static]

Clamp f to be between min and max.

static cpFloat cpfclamp01

(

cpFloat

f

)

[inline, static]

Clamp f to be between 0 and 1.

static cpFloat cpflerp	(	cpFloat	f1,
		cpFloat	f2,
		cpFloat	t
	)		[inline, static]

Linearly interpolate (or extrapolate) between f1 and f2 by t percent.

static cpFloat cpflerpconst	(	cpFloat	f1,
		cpFloat	f2,
		cpFloat	d
	)		[inline, static]

Linearly interpolate from f1 to f2 by no more than d.

static cpFloat cpfmax	(	cpFloat	a,
		cpFloat	b
	)		[inline, static]

Return the max of two cpFloats.

static cpFloat cpfmin	(	cpFloat	a,
		cpFloat	b
	)		[inline, static]

Return the min of two cpFloats.