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 * @ignore 28 */ 29 ccs.PT_RATIO = 32; 30 31 /** 32 * Base class for ccs.ColliderFilter 33 * @class 34 * @extends ccs.Class 35 */ 36 ccs.ColliderFilter = ccs.Class.extend(/** @lends ccs.ColliderFilter# */{ 37 _collisionType: 0, 38 _group: 0, 39 _categoryBits: 0, 40 _groupIndex: 0, 41 _maskBits: 0, 42 43 ctor: function (collisionType, group) { 44 this._collisionType = collisionType || 0; 45 this._group = group || 0; 46 }, 47 48 updateShape: function (shape) { 49 if(shape instanceof cp.Shape){ 50 shape.collision_type = this._collisionType; 51 shape.group = this._group; 52 }else if(shape instanceof Box2D.b2FilterData){ 53 var filter = new Box2D.b2FilterData(); 54 filter.categoryBits = this._categoryBits; 55 filter.groupIndex = this._groupIndex; 56 filter.maskBits = this._maskBits; 57 58 shape.SetFilterData(filter); 59 } 60 } 61 }); 62 63 /** 64 * Base class for ccs.ColliderBody 65 * @class 66 * @extends ccs.Class 67 * 68 * @property {ccs.ContourData} contourData - The contour data of collider body 69 * @property {ccs.Shape} shape - The shape of collider body 70 * @property {ccs.ColliderFilter} colliderFilter - The collider filter of collider body 71 * 72 */ 73 ccs.ColliderBody = ccs.Class.extend(/** @lends ccs.ColliderBody# */{ 74 shape: null, 75 coutourData: null, 76 colliderFilter: null, 77 _calculatedVertexList: null, 78 ctor: function (contourData) { 79 this.shape = null; 80 this.coutourData = contourData; 81 this.colliderFilter = new ccs.ColliderFilter(); 82 if (ccs.ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX) { 83 this._calculatedVertexList = []; 84 } 85 }, 86 87 /** 88 * contourData getter 89 * @returns {ccs.ContourData} 90 */ 91 getContourData: function () { 92 return this.coutourData; 93 }, 94 95 /** 96 * colliderFilter setter 97 * @param {ccs.ColliderFilter} colliderFilter 98 */ 99 setColliderFilter: function (colliderFilter) { 100 this.colliderFilter = colliderFilter; 101 }, 102 103 /** 104 * get calculated vertex list 105 * @returns {Array} 106 */ 107 getCalculatedVertexList: function () { 108 return this._calculatedVertexList; 109 }, 110 111 setB2Fixture: function(fixture){ 112 this._fixture = fixture; 113 }, 114 115 getB2Fixture: function(){ 116 return this._fixture; 117 }, 118 119 /** 120 * shape getter 121 * @param {ccs.Shape} shape 122 */ 123 setShape: function (shape) { 124 this.shape = shape; 125 }, 126 127 /** 128 * shape setter 129 * @return {ccs.Shape} 130 */ 131 getShape: function () { 132 return this.shape; 133 }, 134 135 /** 136 * contourData setter 137 * @param {ccs.ContourData} contourData 138 */ 139 setContourData: function (contourData) { 140 this.coutourData = contourData; 141 }, 142 143 /** 144 * colliderFilter getter 145 * @returns {ccs.ColliderFilter} 146 */ 147 getColliderFilter: function () { 148 return this.colliderFilter; 149 } 150 }); 151 152 /** 153 * Base class for ccs.ColliderDetector 154 * @class 155 * @extends ccs.Class 156 * 157 * @property {ccs.ColliderFilter} colliderFilter - The collider filter of the collider detector 158 * @property {Boolean} active - Indicate whether the collider detector is active 159 * @property {Object} body - The collider body 160 */ 161 ccs.ColliderDetector = ccs.Class.extend(/** @lends ccs.ColliderDetector# */{ 162 _colliderBodyList: null, 163 _bone: null, 164 _body: null, 165 _active: false, 166 _filter: null, 167 helpPoint: cc.p(0, 0), 168 ctor: function () { 169 this._colliderBodyList = []; 170 this._bone = null; 171 this._body = null; 172 this._active = false; 173 this._filter = null; 174 }, 175 init: function (bone) { 176 this._colliderBodyList.length = 0; 177 if (bone) 178 this._bone = bone; 179 this._filter = new ccs.ColliderFilter(); 180 return true; 181 }, 182 183 /** 184 * add contourData 185 * @param {ccs.ContourData} contourData 186 */ 187 addContourData: function (contourData) { 188 var colliderBody = new ccs.ColliderBody(contourData); 189 this._colliderBodyList.push(colliderBody); 190 191 if (ccs.ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX) { 192 var calculatedVertexList = colliderBody.getCalculatedVertexList(); 193 var vertexList = contourData.vertexList; 194 for (var i = 0; i < vertexList.length; i++) { 195 var newVertex = new ccs.ContourVertex2(0, 0); 196 calculatedVertexList.push(newVertex); 197 } 198 } 199 }, 200 201 /** 202 * add contourData 203 * @param {Array} contourDataList 204 */ 205 addContourDataList: function (contourDataList) { 206 for (var i = 0; i < contourDataList.length; i++) { 207 this.addContourData(contourDataList[i]); 208 } 209 }, 210 211 /** 212 * remove contourData 213 * @param contourData 214 */ 215 removeContourData: function (contourData) { 216 var eraseList = [], i, locBodyList = this._colliderBodyList; 217 for (i = 0; i < locBodyList.length; i++) { 218 var body = locBodyList[i]; 219 if (body && body.getContourData() == contourData) 220 eraseList.push(body); 221 } 222 223 for (i=0; i<eraseList.length; i++) 224 cc.arrayRemoveObject(locBodyList, eraseList[i]); 225 }, 226 227 /** 228 * remove all body 229 */ 230 removeAll: function () { 231 this._colliderBodyList.length = 0; 232 }, 233 234 setActive: function (active) { 235 if (this._active == active) 236 return; 237 this._active = active; 238 239 var locBody = this._body; 240 var locShape; 241 if (locBody) { 242 var colliderBody = null; 243 if (this._active) { 244 for (var i = 0; i < this._colliderBodyList.length; i++) { 245 colliderBody = this._colliderBodyList[i]; 246 locShape = colliderBody.getShape(); 247 locBody.space.addShape(locShape); 248 } 249 } else { 250 for (var i = 0; i < this._colliderBodyList.length; i++) { 251 colliderBody = this._colliderBodyList[i]; 252 locShape = colliderBody.getShape(); 253 locBody.space.removeShape(locShape); 254 } 255 } 256 } 257 }, 258 259 getActive: function () { 260 return this._active; 261 }, 262 263 getColliderBodyList: function(){ 264 return this._colliderBodyList; 265 }, 266 267 /** 268 * set colliderFilter 269 * @param {ccs.ColliderFilter} filter 270 */ 271 setColliderFilter: function (filter) { 272 this._filter = filter; 273 var locBodyList = this._colliderBodyList; 274 for(var i=0; i< locBodyList.length; i++){ 275 var colliderBody = locBodyList[i]; 276 colliderBody.setColliderFilter(filter); 277 if (colliderBody.getShape()) 278 colliderBody.getColliderFilter().updateShape(colliderBody.getShape()); 279 } 280 }, 281 282 /** 283 * get colliderFilter 284 * @returns {ccs.ColliderFilter} 285 */ 286 getColliderFilter: function () { 287 return this._filter; 288 }, 289 290 updateTransform: function (t) { 291 if (!this._active) 292 return; 293 294 var colliderBody = null; 295 var locBody = this._body; 296 var locHelpPoint = this.helpPoint; 297 for (var i = 0; i < this._colliderBodyList.length; i++) { 298 299 colliderBody = this._colliderBodyList[i]; 300 var contourData = colliderBody.getContourData(); 301 302 //default physics engine: Chipmunk 303 var shape = null; 304 if (locBody) { 305 //Box2d shape = (b2PolygonShape *)colliderBody->getB2Fixture()->GetShape(); 306 shape = colliderBody.getShape(); 307 } 308 309 var vs = contourData.vertexList; 310 var cvs = colliderBody.getCalculatedVertexList(); 311 312 for (var j = 0; j < vs.length; j++) { 313 locHelpPoint.x = vs[j].x; 314 locHelpPoint.y = vs[j].y; 315 locHelpPoint = cc.pointApplyAffineTransform(locHelpPoint, t); 316 317 if (ccs.ENABLE_PHYSICS_SAVE_CALCULATED_VERTEX) { 318 var v = cc.p(0, 0); 319 v.x = locHelpPoint.x; 320 v.y = locHelpPoint.y; 321 cvs[j] = v; 322 } 323 324 if (shape) { 325 shape.verts[j * 2] = locHelpPoint.x; 326 shape.verts[j * 2 + 1] = locHelpPoint.y; 327 } 328 } 329 if (shape) { 330 for (var j = 0; j < vs.length; j++) { 331 var b = shape.verts[(j + 1) % shape.verts.length]; 332 var n = cp.v.normalize(cp.v.perp(cp.v.sub(b, shape.verts[j]))); 333 334 shape.axes[j].n = n; 335 shape.axes[j].d = cp.v.dot(n, shape.verts[j]); 336 // var b = shape.verts[(i + 1) % shape.numVerts]; 337 // var n = cp.v.normalize(cp.v.perp(cp.v.sub(b, shape.verts[i]))); 338 // 339 // shape.planes[i].n = n; 340 // shape.planes[i].d = cp.v.dot(n, shape.verts[i]); 341 } 342 } 343 } 344 }, 345 346 setBody: function (body) { 347 this._body = body; 348 var colliderBody, locBodyList = this._colliderBodyList; 349 for (var i = 0; i < locBodyList.length; i++) { 350 colliderBody = locBodyList[i]; 351 var contourData = colliderBody.getContourData(), verts = []; 352 var vs = contourData.vertexList; 353 for (var j = 0; j < vs.length; j++) { 354 var v = vs[j]; 355 verts.push(v.x); 356 verts.push(v.y); 357 } 358 var shape = new cp.PolyShape(this._body, verts, cp.vzero); 359 shape.sensor = true; 360 shape.data = this._bone; 361 if (this._active) 362 this._body.space.addShape(shape); 363 colliderBody.setShape(shape); 364 colliderBody.getColliderFilter().updateShape(shape); 365 } 366 }, 367 368 getBody: function () { 369 return this._body; 370 } 371 }); 372 373 var _p = ccs.ColliderDetector.prototype; 374 375 // Extended properties 376 /** @expose */ 377 _p.colliderFilter; 378 cc.defineGetterSetter(_p, "colliderFilter", _p.getColliderFilter, _p.setColliderFilter); 379 /** @expose */ 380 _p.active; 381 cc.defineGetterSetter(_p, "active", _p.getActive, _p.setActive); 382 /** @expose */ 383 _p.body; 384 cc.defineGetterSetter(_p, "body", _p.getBody, _p.setBody); 385 386 _p = null; 387 388 ccs.ColliderDetector.create = function (bone) { 389 var colliderDetector = new ccs.ColliderDetector(); 390 if (colliderDetector && colliderDetector.init(bone)) 391 return colliderDetector; 392 return null; 393 };