edu.eside.flingbox.math
Class Intersect

java.lang.Object
  edu.eside.flingbox.math.Intersect

public class Intersect
extends java.lang.Object

Handles functions to compute and storage intersections between two traces.

Field Summary

Vector2D[]	contourA Stores array with intersect contour of first polygon
Vector2D[]	contourB Stores array with intersect contour of second polygon
Vector2D	ingoingPoint Ingoing point, it's also in contour[0]
Vector2D	outgoingPoint Outgoing point, also in contour
Vector2D[]	polygonA Just pointer to recognize polygon side
Vector2D[]	polygonB Just pointer to recognize polygon side

Method Summary

float	getIntersectionDepth() Computes intersection penetration.
static Intersect[]	intersectPolygons(Vector2D[] polygonA, Vector2D[] polygonB) Computes all intersects between two polygons

Methods inherited from class java.lang.Object

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

Field Detail

polygonA

public final Vector2D[] polygonA

Just pointer to recognize polygon side

polygonB

public final Vector2D[] polygonB

Just pointer to recognize polygon side

contourA

public final Vector2D[] contourA

Stores array with intersect contour of first polygon

contourB

public final Vector2D[] contourB

Stores array with intersect contour of second polygon

ingoingPoint

public final Vector2D ingoingPoint

Ingoing point, it's also in contour[0]

outgoingPoint

public final Vector2D outgoingPoint

Outgoing point, also in contour

Method Detail

intersectPolygons

public static Intersect[] intersectPolygons(Vector2D[] polygonA,
                                            Vector2D[] polygonB)

Computes all intersects between two polygons

Parameters:

polygonA - first polygon

polygonB - second polygon

Returns:

an array with all intersect. if no intersects, an empty array returned

getIntersectionDepth

public float getIntersectionDepth()

Computes intersection penetration.

Returns:

penetration distance