Class LocalCoords

Remembers the local coordinate system of a MassObject. Used during collision checking to compare previous and current locations of objects.

Index

Properties

cm_body_ cosAngle_ loc_world_ sinAngle_

Methods

bodyToWorld set toString worldToBody

Properties

`Protected` cm_body_

cm_body_: Vector = Vector.ORIGIN

center of mass in body coordinates

`Protected` cosAngle_

cosAngle_: number = 1.0

cosine of angle.

`Protected` loc_world_

loc_world_: Vector = Vector.ORIGIN

`Protected` sinAngle_

sinAngle_: number = 0.0

sine of angle

Methods

bodyToWorld

bodyToWorld(p_body): Vector
Returns the world coordinates of the given body coordinates point, based on current position of the object.
Parameters
- p_body: GenericVector
  the point, in body coordinates
Returns Vector
the point in world coordinates
- Defined in lab/engine2D/LocalCoords.ts:50

set

set(cm_body, loc_world, sinAngle, cosAngle): void
Sets the values that define the local coordinate system.
Parameters
- cm_body: Vector
  center of mass of the object in body coordinates
- loc_world: Vector
  location of center of mass in world coordinates
- sinAngle: number
  sine of angle of rotation about center of mass
- cosAngle: number
  cosine of angle of rotation about center of mass
Returns void
- Defined in lab/engine2D/LocalCoords.ts:64

toString

toString(): string
Returns string
Inherit Doc
- Defined in lab/engine2D/LocalCoords.ts:36

worldToBody

worldToBody(p_world): Vector
Returns the body coordinates of the given world coordinates point, based on current position of the object.
Parameters
- p_world: GenericVector
  the point, in world coordinates
Returns Vector
the point in body coordinates
- Defined in lab/engine2D/LocalCoords.ts:76

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