Class Distance.DistanceProxy

java.lang.Object
org.jbox2d.collision.Distance.DistanceProxy
Enclosing class:
Distance
public static class Distance.DistanceProxy extends java.lang.Object
A distance proxy is used by the GJK algorithm. It encapsulates any shape. TODO: see if we can just do assignments with m_vertices, instead of copying stuff over

  • Field Summary

    Fields
    Modifier and Type
    Field
    Description
    final Vec2[]
    m_buffer
     
    int
    m_count
     
    float
    m_radius
     
    final Vec2[]
    m_vertices
     

  • Constructor Summary

    Constructors
    Constructor
    Description
    DistanceProxy()
     

  • Method Summary

    Modifier and Type
    Method
    Description
    final int
    getSupport(Vec2 d)
    Get the supporting vertex index in the given direction.
    final Vec2
    getSupportVertex(Vec2 d)
    Get the supporting vertex in the given direction.
    final Vec2
    getVertex(int index)
    Get a vertex by index.
    final int
    getVertexCount()
    Get the vertex count.
    final void
    set(Shape shape, int index)
    Initialize the proxy using the given shape.

    Methods inherited from class java.lang.Object

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

  • Field Details

    • m_vertices

      public final Vec2[] m_vertices

    • m_count

      public int m_count

    • m_radius

      public float m_radius

    • m_buffer

      public final Vec2[] m_buffer

  • Constructor Details

    • DistanceProxy

      public DistanceProxy()

  • Method Details

    • set

      public final void set(Shape shape, int index)
      Initialize the proxy using the given shape. The shape must remain in scope while the proxy is in use.

    • getSupport

      public final int getSupport(Vec2 d)
      Get the supporting vertex index in the given direction.
      Parameters:
      d -
      Returns:

    • getSupportVertex

      public final Vec2 getSupportVertex(Vec2 d)
      Get the supporting vertex in the given direction.
      Parameters:
      d -
      Returns:

    • getVertexCount

      public final int getVertexCount()
      Get the vertex count.
      Returns:

    • getVertex

      public final Vec2 getVertex(int index)
      Get a vertex by index. Used by Distance.
      Parameters:
      index -
      Returns: