Skip to content

@ue-too/dynamics / Circle

Class: Circle

Defined in: rigidbody.ts:943

Rigid body interface for 2D physics simulation.

Remarks

Represents a physical object in the physics world with mass, velocity, rotation, and collision properties. Can be either static (immovable) or dynamic (responds to forces).

Implemented by Circle and Polygon classes.

Extends

Constructors

Constructor

new Circle(center, radius, _orientationAngle, mass, isStatic, frictionEnabled): Circle

Defined in: rigidbody.ts:947

Parameters

center

Point = ...

radius

number

_orientationAngle

number = 0

mass

number = 50

isStatic

boolean = false

frictionEnabled

boolean = true

Returns

Circle

Overrides

BaseRigidBody.constructor

Properties

_angularVelocity

protected _angularVelocity: number

Defined in: rigidbody.ts:74

Inherited from

BaseRigidBody._angularVelocity


_center

protected _center: Point

Defined in: rigidbody.ts:71

Inherited from

BaseRigidBody._center


_linearVelocity

protected _linearVelocity: Point

Defined in: rigidbody.ts:73

Inherited from

BaseRigidBody._linearVelocity


_mass

protected _mass: number = 50

Defined in: rigidbody.ts:72

Inherited from

BaseRigidBody._mass


_orientationAngle

protected _orientationAngle: number = 0

Defined in: rigidbody.ts:75

Inherited from

BaseRigidBody._orientationAngle


_staticFrictionCoeff

protected _staticFrictionCoeff: number = 0.3

Defined in: rigidbody.ts:79

Inherited from

BaseRigidBody._staticFrictionCoeff


angularDampingFactor

protected angularDampingFactor: number = 0.005

Defined in: rigidbody.ts:83

Inherited from

BaseRigidBody.angularDampingFactor


collisionFilter

collisionFilter: CollisionFilter

Defined in: rigidbody.ts:86

Collision filtering configuration

Inherited from

BaseRigidBody.collisionFilter


dynamicFrictionCoeff

protected dynamicFrictionCoeff: number = 0.3

Defined in: rigidbody.ts:80

Inherited from

BaseRigidBody.dynamicFrictionCoeff


force

protected force: Point

Defined in: rigidbody.ts:77

Inherited from

BaseRigidBody.force


frictionEnabled

protected frictionEnabled: boolean = false

Defined in: rigidbody.ts:81

Inherited from

BaseRigidBody.frictionEnabled


isMovingStaticBody

protected isMovingStaticBody: boolean = false

Defined in: rigidbody.ts:82

Inherited from

BaseRigidBody.isMovingStaticBody


isSleeping

isSleeping: boolean = false

Defined in: rigidbody.ts:89

Inherited from

BaseRigidBody.isSleeping


isStaticBody

protected isStaticBody: boolean = false

Defined in: rigidbody.ts:78

Inherited from

BaseRigidBody.isStaticBody


linearAcceleartion

protected linearAcceleartion: Point

Defined in: rigidbody.ts:76

Inherited from

BaseRigidBody.linearAcceleartion


sleepThreshold

sleepThreshold: number = 0.01

Defined in: rigidbody.ts:90

Inherited from

BaseRigidBody.sleepThreshold


sleepTime

sleepTime: number = 0.5

Defined in: rigidbody.ts:91

Inherited from

BaseRigidBody.sleepTime


timeAtRest

timeAtRest: number = 0

Defined in: rigidbody.ts:92

Inherited from

BaseRigidBody.timeAtRest

Accessors

AABB

Get Signature

get AABB(): object

Defined in: rigidbody.ts:984

Axis-Aligned Bounding Box for broad phase collision

Returns

object

max

max: Point

min

min: Point

Axis-Aligned Bounding Box for broad phase collision

Overrides

BaseRigidBody.AABB


angularVelocity

Get Signature

get angularVelocity(): number

Defined in: rigidbody.ts:130

Angular velocity (radians/second)

Returns

number

Set Signature

set angularVelocity(angularVelocity): void

Defined in: rigidbody.ts:134

Angular velocity (radians/second)

Parameters
angularVelocity

number

Returns

void

Angular velocity (radians/second)

Inherited from

BaseRigidBody.angularVelocity


center

Get Signature

get center(): Point

Defined in: rigidbody.ts:284

Center position in world coordinates

Returns

Point

Set Signature

set center(dest): void

Defined in: rigidbody.ts:288

Center position in world coordinates

Parameters
dest

Point

Returns

void

Center position in world coordinates

Inherited from

BaseRigidBody.center


linearVelocity

Get Signature

get linearVelocity(): Point

Defined in: rigidbody.ts:292

Linear velocity (pixels/second)

Returns

Point

Set Signature

set linearVelocity(dest): void

Defined in: rigidbody.ts:296

Linear velocity (pixels/second)

Parameters
dest

Point

Returns

void

Linear velocity (pixels/second)

Inherited from

BaseRigidBody.linearVelocity


mass

Get Signature

get mass(): number

Defined in: rigidbody.ts:300

Mass in arbitrary units (affects force response)

Returns

number

Mass in arbitrary units (affects force response)

Inherited from

BaseRigidBody.mass


momentOfInertia

Get Signature

get momentOfInertia(): number

Defined in: rigidbody.ts:1028

Moment of inertia (rotational mass)

Returns

number

Moment of inertia (rotational mass)

Overrides

BaseRigidBody.momentOfInertia


orientationAngle

Get Signature

get orientationAngle(): number

Defined in: rigidbody.ts:138

Rotation angle in radians

Returns

number

Rotation angle in radians

Inherited from

BaseRigidBody.orientationAngle


radius

Get Signature

get radius(): number

Defined in: rigidbody.ts:1004

Returns

number


staticFrictionCoeff

Get Signature

get staticFrictionCoeff(): number

Defined in: rigidbody.ts:304

Static friction coefficient (0-1)

Returns

number

Set Signature

set staticFrictionCoeff(coeff): void

Defined in: rigidbody.ts:308

Static friction coefficient (0-1)

Parameters
coeff

number

Returns

void

Static friction coefficient (0-1)

Inherited from

BaseRigidBody.staticFrictionCoeff

Methods

applyForce()

applyForce(force): void

Defined in: rigidbody.ts:162

Parameters

force

Point

Returns

void

Inherited from

BaseRigidBody.applyForce


applyForceInOrientation()

applyForceInOrientation(force): void

Defined in: rigidbody.ts:170

Parameters

force

number | Point

Returns

void

Inherited from

BaseRigidBody.applyForceInOrientation


getAdjacentFaces()

getAdjacentFaces(collisionNormal): object[]

Defined in: rigidbody.ts:1021

Parameters

collisionNormal

Point

Returns

object[]

Overrides

BaseRigidBody.getAdjacentFaces


getCenter()

getCenter(): Point

Defined in: rigidbody.ts:122

Returns

Point

Inherited from

BaseRigidBody.getCenter


getCollisionAxes()

getCollisionAxes(relativeBody): Point[]

Defined in: rigidbody.ts:976

Parameters

relativeBody

RigidBody

Returns

Point[]

Overrides

BaseRigidBody.getCollisionAxes


getMinMaxProjection()

getMinMaxProjection(unitvector): object

Defined in: rigidbody.ts:961

Parameters

unitvector

Point

Returns

object

max

max: number

min

min: number

Overrides

BaseRigidBody.getMinMaxProjection


getNormalOfSignificantFace()

getNormalOfSignificantFace(collisionNormal): Point

Defined in: rigidbody.ts:1017

Parameters

collisionNormal

Point

Returns

Point

Overrides

BaseRigidBody.getNormalOfSignificantFace


getOrientationAngle()

getOrientationAngle(): number

Defined in: rigidbody.ts:126

Returns

number

Inherited from

BaseRigidBody.getOrientationAngle


getSignificantVertices()

getSignificantVertices(collisionNormal): Point[]

Defined in: rigidbody.ts:1008

Parameters

collisionNormal

Point

Returns

Point[]

Overrides

BaseRigidBody.getSignificantVertices


isMovingStatic()

isMovingStatic(): boolean

Defined in: rigidbody.ts:146

Returns

boolean

Inherited from

BaseRigidBody.isMovingStatic


isStatic()

isStatic(): boolean

Defined in: rigidbody.ts:142

Returns

boolean

Inherited from

BaseRigidBody.isStatic


move()

move(delta): void

Defined in: rigidbody.ts:112

Parameters

delta

Point

Returns

void

Inherited from

BaseRigidBody.move


rotateRadians()

rotateRadians(angle): void

Defined in: rigidbody.ts:118

Parameters

angle

number

Returns

void

Inherited from

BaseRigidBody.rotateRadians


setLinearVelocity()

setLinearVelocity(linearVelocity): void

Defined in: rigidbody.ts:150

Parameters

linearVelocity

Point

Returns

void

Inherited from

BaseRigidBody.setLinearVelocity


setMovingStatic()

setMovingStatic(movingStatic): void

Defined in: rigidbody.ts:154

Parameters

movingStatic

boolean

Returns

void

Inherited from

BaseRigidBody.setMovingStatic


setOrientationAngle()

setOrientationAngle(angle): void

Defined in: rigidbody.ts:158

Parameters

angle

number

Returns

void

Inherited from

BaseRigidBody.setOrientationAngle


setSleeping()

setSleeping(sleeping): void

Defined in: rigidbody.ts:328

Parameters

sleeping

boolean

Returns

void

Inherited from

BaseRigidBody.setSleeping


significantVertex()

significantVertex(collisionNormal): Point

Defined in: rigidbody.ts:997

Parameters

collisionNormal

Point

Returns

Point

Overrides

BaseRigidBody.significantVertex


step()

step(deltaTime): void

Defined in: rigidbody.ts:186

Parameters

deltaTime

number

Returns

void

Inherited from

BaseRigidBody.step


updateSleeping()

updateSleeping(deltaTime): void

Defined in: rigidbody.ts:339

Parameters

deltaTime

number

Returns

void

Inherited from

BaseRigidBody.updateSleeping