public class EdgeShape

Object
Shape
EdgeShape

A line segment (edge) shape. These can be connected in chains or loops to other edge shapes. The connectivity information is used to ensure correct contact normals.

Fields

`public final` `Vec2 m_vertex1`	edge vertex 1
`public final` `Vec2 m_vertex2`	edge vertex 2
`public final` `Vec2 m_vertex0`	optional adjacent vertex 1. Used for smooth collision
`public final` `Vec2 m_vertex3`	optional adjacent vertex 2. Used for smooth collision
`public boolean m_hasVertex0`
`public boolean m_hasVertex3`

Constructors

public EdgeShape()

Methods

`public int getChildCount()`	Get the number of child primitives
`public void set(Vec2 v1, Vec2 v2)`
`public boolean testPoint(Transform xf, Vec2 p)`	Test a point for containment in this shape.
`public boolean raycast(RayCastOutput output, RayCastInput input, Transform xf, int childIndex)`	Cast a ray against a child shape.
`public void computeAABB(AABB aabb, Transform xf, int childIndex)`	Given a transform, compute the associated axis aligned bounding box for a child shape.
`public void computeMass(MassData massData, float density)`	Compute the mass properties of this shape using its dimensions and density.
`public` `Shape clone()`

Inherited fields

From Shape

m_type, m_radius

Inherited methods

From Shape

getType, getRadius, setRadius

From Object

equals, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Field details

m_vertex1

public final Vec2 m_vertex1

edge vertex 1

m_vertex2

public final Vec2 m_vertex2

edge vertex 2

m_vertex0

public final Vec2 m_vertex0

optional adjacent vertex 1. Used for smooth collision

m_vertex3

public final Vec2 m_vertex3

optional adjacent vertex 2. Used for smooth collision

m_hasVertex0

public boolean m_hasVertex0

m_hasVertex3

public boolean m_hasVertex3

Constructor details

EdgeShape

public EdgeShape()

Method details

getChildCount

public int getChildCount()

Get the number of child primitives

set

public void set(Vec2 v1, Vec2 v2)

testPoint

public boolean testPoint(Transform xf, Vec2 p)

Test a point for containment in this shape. This only works for convex shapes.

Parameters

xf Transform: the shape world transform.
p Vec2: a point in world coordinates.

raycast

public boolean raycast(RayCastOutput output, RayCastInput input, Transform xf, int childIndex)

Cast a ray against a child shape.

Returns

if hit

computeAABB

public void computeAABB(AABB aabb, Transform xf, int childIndex)

Given a transform, compute the associated axis aligned bounding box for a child shape.

computeMass

public void computeMass(MassData massData, float density)

Compute the mass properties of this shape using its dimensions and density. The inertia tensor is computed about the local origin.

Parameters

massData MassData: returns the mass data for this shape.
density float: the density in kilograms per meter squared.

clone

public Shape clone()