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.setTouchInfo(id, x, y); 44 }, 45 46 /** 47 * Returns the current touch location in OpenGL coordinates 48 * @return {cc.Point} 49 */ 50 getLocation:function () { 51 //TODO 52 //return cc.director.convertToGL(this._point); 53 return {x: this._point.x, y: this._point.y}; 54 }, 55 56 /** 57 * Returns X axis location value 58 * @returns {number} 59 */ 60 getLocationX: function () { 61 return this._point.x; 62 }, 63 64 /** 65 * Returns Y axis location value 66 * @returns {number} 67 */ 68 getLocationY: function () { 69 return this._point.y; 70 }, 71 72 /** 73 * Returns the previous touch location in OpenGL coordinates 74 * @return {cc.Point} 75 */ 76 getPreviousLocation:function () { 77 //TODO 78 //return cc.director.convertToGL(this._prevPoint); 79 return {x: this._prevPoint.x, y: this._prevPoint.y}; 80 }, 81 82 /** 83 * Returns the start touch location in OpenGL coordinates 84 * @returns {cc.Point} 85 */ 86 getStartLocation: function() { 87 //TODO 88 //return cc.director.convertToGL(this._startPoint); 89 return {x: this._startPoint.x, y: this._startPoint.y}; 90 }, 91 92 /** 93 * Returns the delta distance from the previous touche to the current one in screen coordinates 94 * @return {cc.Point} 95 */ 96 getDelta:function () { 97 return cc.pSub(this._point, this._prevPoint); 98 }, 99 100 /** 101 * Returns the current touch location in screen coordinates 102 * @return {cc.Point} 103 */ 104 getLocationInView: function() { 105 return {x: this._point.x, y: this._point.y}; 106 }, 107 108 /** 109 * Returns the previous touch location in screen coordinates 110 * @return {cc.Point} 111 */ 112 getPreviousLocationInView: function(){ 113 return {x: this._prevPoint.x, y: this._prevPoint.y}; 114 }, 115 116 /** 117 * Returns the start touch location in screen coordinates 118 * @return {cc.Point} 119 */ 120 getStartLocationInView: function(){ 121 return {x: this._startPoint.x, y: this._startPoint.y}; 122 }, 123 124 /** 125 * Returns the id of cc.Touch 126 * @return {Number} 127 */ 128 getID:function () { 129 return this._id; 130 }, 131 132 /** 133 * Returns the id of cc.Touch 134 * @return {Number} 135 * @deprecated since v3.0, please use getID() instead 136 */ 137 getId:function () { 138 cc.log("getId is deprecated. Please use getID instead.") 139 return this._id; 140 }, 141 142 /** 143 * Sets information to touch 144 * @param {Number} id 145 * @param {Number} x 146 * @param {Number} y 147 */ 148 setTouchInfo:function (id, x, y) { 149 this._prevPoint = this._point; 150 this._point = cc.p(x || 0, y || 0); 151 this._id = id; 152 if(!this._startPointCaptured){ 153 this._startPoint = cc.p(this._point); 154 this._startPointCaptured = true; 155 } 156 }, 157 158 _setPoint: function(x, y){ 159 if(y === undefined){ 160 this._point.x = x.x; 161 this._point.y = x.y; 162 }else{ 163 this._point.x = x; 164 this._point.y = y; 165 } 166 }, 167 168 _setPrevPoint:function (x, y) { 169 if(y === undefined) 170 this._prevPoint = cc.p(x.x, x.y); 171 else 172 this._prevPoint = cc.p(x || 0, y || 0); 173 } 174 });