1 /**************************************************************************** 2 Copyright (c) 2011-2012 cocos2d-x.org 3 Copyright (c) 2013-2014 Chukong Technologies Inc. 4 5 http://www.cocos2d-x.org 6 7 Permission is hereby granted, free of charge, to any person obtaining a copy 8 of this software and associated documentation files (the "Software"), to deal 9 in the Software without restriction, including without limitation the rights 10 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell 11 copies of the Software, and to permit persons to whom the Software is 12 furnished to do so, subject to the following conditions: 13 14 The above copyright notice and this permission notice shall be included in 15 all copies or substantial portions of the Software. 16 17 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR 18 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, 19 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE 20 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER 21 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, 22 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN 23 THE SOFTWARE. 24 ****************************************************************************/ 25 26 /** 27 * The touch event class 28 * @class 29 * @extends cc.Class 30 * 31 * @param {Number} x 32 * @param {Number} y 33 * @param {Number} id 34 */ 35 cc.Touch = cc.Class.extend(/** @lends cc.Touch# */{ 36 _point:null, 37 _prevPoint:null, 38 _id:0, 39 _startPointCaptured: false, 40 _startPoint:null, 41 42 ctor:function (x, y, id) { 43 this._point = cc.p(x || 0, y || 0); 44 this._id = id || 0; 45 }, 46 47 /** 48 * Returns the current touch location in OpenGL coordinates 49 * @return {cc.Point} 50 */ 51 getLocation:function () { 52 //TODO 53 //return cc.director.convertToGL(this._point); 54 return {x: this._point.x, y: this._point.y}; 55 }, 56 57 /** 58 * Returns X axis location value 59 * @returns {number} 60 */ 61 getLocationX: function () { 62 return this._point.x; 63 }, 64 65 /** 66 * Returns Y axis location value 67 * @returns {number} 68 */ 69 getLocationY: function () { 70 return this._point.y; 71 }, 72 73 /** 74 * Returns the previous touch location in OpenGL coordinates 75 * @return {cc.Point} 76 */ 77 getPreviousLocation:function () { 78 //TODO 79 //return cc.director.convertToGL(this._prevPoint); 80 return {x: this._prevPoint.x, y: this._prevPoint.y}; 81 }, 82 83 /** 84 * Returns the start touch location in OpenGL coordinates 85 * @returns {cc.Point} 86 */ 87 getStartLocation: function() { 88 //TODO 89 //return cc.director.convertToGL(this._startPoint); 90 return {x: this._startPoint.x, y: this._startPoint.y}; 91 }, 92 93 /** 94 * Returns the delta distance from the previous touche to the current one in screen coordinates 95 * @return {cc.Point} 96 */ 97 getDelta:function () { 98 return cc.pSub(this._point, this._prevPoint); 99 }, 100 101 /** 102 * Returns the current touch location in screen coordinates 103 * @return {cc.Point} 104 */ 105 getLocationInView: function() { 106 return {x: this._point.x, y: this._point.y}; 107 }, 108 109 /** 110 * Returns the previous touch location in screen coordinates 111 * @return {cc.Point} 112 */ 113 getPreviousLocationInView: function(){ 114 return {x: this._prevPoint.x, y: this._prevPoint.y}; 115 }, 116 117 /** 118 * Returns the start touch location in screen coordinates 119 * @return {cc.Point} 120 */ 121 getStartLocationInView: function(){ 122 return {x: this._startPoint.x, y: this._startPoint.y}; 123 }, 124 125 /** 126 * Returns the id of cc.Touch 127 * @return {Number} 128 */ 129 getID:function () { 130 return this._id; 131 }, 132 133 /** 134 * Returns the id of cc.Touch 135 * @return {Number} 136 * @deprecated since v3.0, please use getID() instead 137 */ 138 getId:function () { 139 cc.log("getId is deprecated. Please use getID instead.") 140 return this._id; 141 }, 142 143 /** 144 * Sets information to touch 145 * @param {Number} id 146 * @param {Number} x 147 * @param {Number} y 148 */ 149 setTouchInfo:function (id, x, y) { 150 this._prevPoint = this._point; 151 this._point = cc.p(x || 0, y || 0); 152 this._id = id; 153 if(!this._startPointCaptured){ 154 this._startPoint = cc.p(this._point); 155 this._startPointCaptured = true; 156 } 157 }, 158 159 _setPoint: function(x, y){ 160 if(y === undefined){ 161 this._point.x = x.x; 162 this._point.y = x.y; 163 }else{ 164 this._point.x = x; 165 this._point.y = y; 166 } 167 }, 168 169 _setPrevPoint:function (x, y) { 170 if(y === undefined) 171 this._prevPoint = cc.p(x.x, x.y); 172 else 173 this._prevPoint = cc.p(x || 0, y || 0); 174 } 175 });