com.xm.ui.widget.drawgeometry.utils

类 GeometryUtils

java.lang.Object

com.xm.ui.widget.drawgeometry.utils.GeometryUtils

public class GeometryUtils
extends java.lang.Object

Created by Administrator on 2017-05-05.

构造器概要

构造器

构造器和说明
GeometryUtils()

方法概要

限定符和类型	方法和说明
static double	getAngle(double x, double y) get the angle of a touch event.
static int	getQuadrant(double x, double y) get the quadrant of the wheel which contains the touch point (x,y)
static GeometryPoints	getSameAngleDifferRadius(float angle, float radius, GeometryPoints centerPoints) 获取同一个角度不同半径的坐标点
static boolean	isRotate(GeometryPoints points, GeometryPoints fingerPoints) 判断是否可以旋转 就是判断点是不是在图标范围内

从类继承的方法 java.lang.Object

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

构造器详细资料

GeometryUtils

public GeometryUtils()

方法详细资料

getSameAngleDifferRadius

public static GeometryPoints getSameAngleDifferRadius(float angle,
                                                      float radius,
                                                      GeometryPoints centerPoints)

获取同一个角度不同半径的坐标点

参数:

angle - 角度

radius - 半径

centerPoints - 圆心点

返回:

返回坐标点

getAngle

public static double getAngle(double x,
                              double y)

get the angle of a touch event.

getQuadrant

public static int getQuadrant(double x,
                              double y)

get the quadrant of the wheel which contains the touch point (x,y)

返回:

quadrant 1,2,3 or 4

isRotate

public static boolean isRotate(GeometryPoints points,
                               GeometryPoints fingerPoints)

判断是否可以旋转 就是判断点是不是在图标范围内

参数:

points -

返回: