org.mini2Dx.core.geom

Class Intersector

java.lang.Object

org.mini2Dx.core.geom.Intersector

public class Intersector
extends java.lang.Object

Provides implementations for detecting intersections between geom package objects. Note: This exists because LibGDX implementations weren't accurate

Constructor Summary

Constructors

Constructor and Description
Intersector()

Method Summary

Modifier and Type	Method and Description
static boolean	containsPolygon(Polygon p1, Polygon p2)
static boolean	intersectLines(com.badlogic.gdx.math.Vector2 p1, com.badlogic.gdx.math.Vector2 p2, com.badlogic.gdx.math.Vector2 p3, com.badlogic.gdx.math.Vector2 p4, com.badlogic.gdx.math.Vector2 intersection)
static boolean	intersectLineSegments(float segAX1, float segAY1, float segAX2, float segAY2, float segBX1, float segBY1, float segBX2, float segBY2)
static boolean	intersects(Rectangle rectangle, Circle circle)
static boolean	intersectSegmentPolygon(com.badlogic.gdx.math.Vector2 p1, com.badlogic.gdx.math.Vector2 p2, float[] vertices) Check whether the given line segment and polygon intersect.

Methods inherited from class java.lang.Object

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

Constructor Detail

Intersector

public Intersector()

Method Detail

intersectLines

public static boolean intersectLines(com.badlogic.gdx.math.Vector2 p1,
                                     com.badlogic.gdx.math.Vector2 p2,
                                     com.badlogic.gdx.math.Vector2 p3,
                                     com.badlogic.gdx.math.Vector2 p4,
                                     com.badlogic.gdx.math.Vector2 intersection)

intersectLineSegments

public static boolean intersectLineSegments(float segAX1,
                                            float segAY1,
                                            float segAX2,
                                            float segAY2,
                                            float segBX1,
                                            float segBY1,
                                            float segBX2,
                                            float segBY2)

intersects

public static boolean intersects(Rectangle rectangle,
                                 Circle circle)

containsPolygon

public static boolean containsPolygon(Polygon p1,
                                      Polygon p2)

intersectSegmentPolygon

public static boolean intersectSegmentPolygon(com.badlogic.gdx.math.Vector2 p1,
                                              com.badlogic.gdx.math.Vector2 p2,
                                              float[] vertices)

Check whether the given line segment and polygon intersect.

Parameters:

p1 - The first point of the segment

p2 - The second point of the segment

vertices - The vertices of the polygon

Returns:

True if the polygon and segment intersect