thothbot.parallax.core.shared.utils

Class ShapeUtils

java.lang.Object

thothbot.parallax.core.shared.utils.ShapeUtils

public class ShapeUtils
extends java.lang.Object

The class implements some 3D Shape related helper methods The code is based on js-code written by zz85

Author:

thothbot

Constructor Summary

Constructors

Constructor and Description
ShapeUtils()

Method Summary

Modifier and Type	Method and Description
static double	b2(double t, double p0, double p1, double p2)
static double	b3(double t, double p0, double p1, double p2, double p3)
static boolean	isClockWise(java.util.List<Vector2> pts)
static void	removeHoles(java.util.List<Vector2> contour, java.util.List<java.util.List<Vector2>> holes, java.util.List<Vector2> shape, java.util.List<Vector2> allpoints, java.util.List<java.util.List<Vector2>> verts) Remove holes from the Shape
static java.util.List<java.util.List<java.lang.Integer>>	triangulateShape(java.util.List<Vector2> contour, java.util.List<java.util.List<Vector2>> holes)

Methods inherited from class java.lang.Object

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

Constructor Detail

ShapeUtils

public ShapeUtils()

Method Detail

removeHoles

public static void removeHoles(java.util.List<Vector2> contour,
                               java.util.List<java.util.List<Vector2>> holes,
                               java.util.List<Vector2> shape,
                               java.util.List<Vector2> allpoints,
                               java.util.List<java.util.List<Vector2>> verts)

Remove holes from the Shape

Parameters:

contour - the list of contour

holes - the list of holes

shape - the list of shapes, where will be created shape without holes

allpoints -

verts - the list of vertices, where will be created isolated faces

triangulateShape

public static java.util.List<java.util.List<java.lang.Integer>> triangulateShape(java.util.List<Vector2> contour,
                                                                                 java.util.List<java.util.List<Vector2>> holes)

isClockWise

public static boolean isClockWise(java.util.List<Vector2> pts)

b2

public static double b2(double t,
                        double p0,
                        double p1,
                        double p2)

b3

public static double b3(double t,
                        double p0,
                        double p1,
                        double p2,
                        double p3)