Java tutorial
//package com.java2s; /* * Copyright 2013, Edmodo, Inc. * * Licensed under the Apache License, Version 2.0 (the "License"); you may not use this work except in compliance with the License. * You may obtain a copy of the License in the LICENSE file, or at: * * http://www.apache.org/licenses/LICENSE-2.0 * * Unless required by applicable law or agreed to in writing, software distributed under the License is distributed on an "AS IS" * BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the License for the specific language * governing permissions and limitations under the License. */ public class Main { /** * Determines if the specified coordinate is in the target touch zone for a * corner handle. * * @param x the x-coordinate of the touch point * @param y the y-coordinate of the touch point * @param handleX the x-coordinate of the corner handle * @param handleY the y-coordinate of the corner handle * @param targetRadius the target radius in pixels * @return true if the touch point is in the target touch zone; false * otherwise */ private static boolean isInCornerTargetZone(float x, float y, float handleX, float handleY, float targetRadius) { if (Math.abs(x - handleX) <= targetRadius && Math.abs(y - handleY) <= targetRadius) { return true; } return false; } }