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Diffstat (limited to 'templates/project/assets/javascripts/gridster/jquery.collision.js')
| -rwxr-xr-x | templates/project/assets/javascripts/gridster/jquery.collision.js | 224 |
1 files changed, 0 insertions, 224 deletions
diff --git a/templates/project/assets/javascripts/gridster/jquery.collision.js b/templates/project/assets/javascripts/gridster/jquery.collision.js deleted file mode 100755 index 5d37c61..0000000 --- a/templates/project/assets/javascripts/gridster/jquery.collision.js +++ /dev/null @@ -1,224 +0,0 @@ -/* - * jquery.collision - * https://github.com/ducksboard/gridster.js - * - * Copyright (c) 2012 ducksboard - * Licensed under the MIT licenses. - */ - -;(function($, window, document, undefined){ - - var defaults = { - colliders_context: document.body - // ,on_overlap: function(collider_data){}, - // on_overlap_start : function(collider_data){}, - // on_overlap_stop : function(collider_data){} - }; - - - /** - * Detects collisions between a DOM element against other DOM elements or - * Coords objects. - * - * @class Collision - * @uses Coords - * @param {HTMLElement} el The jQuery wrapped HTMLElement. - * @param {HTMLElement|Array} colliders Can be a jQuery collection - * of HTMLElements or an Array of Coords instances. - * @param {Object} [options] An Object with all options you want to - * overwrite: - * @param {Function} [options.on_overlap_start] Executes a function the first - * time each `collider ` is overlapped. - * @param {Function} [options.on_overlap_stop] Executes a function when a - * `collider` is no longer collided. - * @param {Function} [options.on_overlap] Executes a function when the - * mouse is moved during the collision. - * @return {Object} Collision instance. - * @constructor - */ - function Collision(el, colliders, options) { - this.options = $.extend(defaults, options); - this.$element = el; - this.last_colliders = []; - this.last_colliders_coords = []; - if (typeof colliders === 'string' || colliders instanceof jQuery) { - this.$colliders = $(colliders, - this.options.colliders_context).not(this.$element); - }else{ - this.colliders = $(colliders); - } - - this.init(); - } - - - var fn = Collision.prototype; - - - fn.init = function() { - this.find_collisions(); - }; - - - fn.overlaps = function(a, b) { - var x = false; - var y = false; - - if ((b.x1 >= a.x1 && b.x1 <= a.x2) || - (b.x2 >= a.x1 && b.x2 <= a.x2) || - (a.x1 >= b.x1 && a.x2 <= b.x2) - ) { x = true; } - - if ((b.y1 >= a.y1 && b.y1 <= a.y2) || - (b.y2 >= a.y1 && b.y2 <= a.y2) || - (a.y1 >= b.y1 && a.y2 <= b.y2) - ) { y = true; } - - return (x && y); - }; - - - fn.detect_overlapping_region = function(a, b){ - var regionX = ''; - var regionY = ''; - - if (a.y1 > b.cy && a.y1 < b.y2) { regionX = 'N'; } - if (a.y2 > b.y1 && a.y2 < b.cy) { regionX = 'S'; } - if (a.x1 > b.cx && a.x1 < b.x2) { regionY = 'W'; } - if (a.x2 > b.x1 && a.x2 < b.cx) { regionY = 'E'; } - - return (regionX + regionY) || 'C'; - }; - - - fn.calculate_overlapped_area_coords = function(a, b){ - var x1 = Math.max(a.x1, b.x1); - var y1 = Math.max(a.y1, b.y1); - var x2 = Math.min(a.x2, b.x2); - var y2 = Math.min(a.y2, b.y2); - - return $({ - left: x1, - top: y1, - width : (x2 - x1), - height: (y2 - y1) - }).coords().get(); - }; - - - fn.calculate_overlapped_area = function(coords){ - return (coords.width * coords.height); - }; - - - fn.manage_colliders_start_stop = function(new_colliders_coords, start_callback, stop_callback){ - var last = this.last_colliders_coords; - - for (var i = 0, il = last.length; i < il; i++) { - if ($.inArray(last[i], new_colliders_coords) === -1) { - start_callback.call(this, last[i]); - } - } - - for (var j = 0, jl = new_colliders_coords.length; j < jl; j++) { - if ($.inArray(new_colliders_coords[j], last) === -1) { - stop_callback.call(this, new_colliders_coords[j]); - } - - } - }; - - - fn.find_collisions = function(player_data_coords){ - var self = this; - var colliders_coords = []; - var colliders_data = []; - var $colliders = (this.colliders || this.$colliders); - var count = $colliders.length; - var player_coords = self.$element.coords() - .update(player_data_coords || false).get(); - - while(count--){ - var $collider = self.$colliders ? - $($colliders[count]) : $colliders[count]; - var $collider_coords_ins = ($collider.isCoords) ? - $collider : $collider.coords(); - var collider_coords = $collider_coords_ins.get(); - var overlaps = self.overlaps(player_coords, collider_coords); - - if (!overlaps) { - continue; - } - - var region = self.detect_overlapping_region( - player_coords, collider_coords); - - //todo: make this an option - if (region === 'C'){ - var area_coords = self.calculate_overlapped_area_coords( - player_coords, collider_coords); - var area = self.calculate_overlapped_area(area_coords); - var collider_data = { - area: area, - area_coords : area_coords, - region: region, - coords: collider_coords, - player_coords: player_coords, - el: $collider - }; - - if (self.options.on_overlap) { - self.options.on_overlap.call(this, collider_data); - } - colliders_coords.push($collider_coords_ins); - colliders_data.push(collider_data); - } - } - - if (self.options.on_overlap_stop || self.options.on_overlap_start) { - this.manage_colliders_start_stop(colliders_coords, - self.options.on_overlap_stop, self.options.on_overlap_start); - } - - this.last_colliders_coords = colliders_coords; - - return colliders_data; - }; - - - fn.get_closest_colliders = function(player_data_coords){ - var colliders = this.find_collisions(player_data_coords); - var min_area = 100; - colliders.sort(function(a, b){ - if (a.area <= min_area) { - return 1; - } - - /* if colliders are being overlapped by the "C" (center) region, - * we have to set a lower index in the array to which they are placed - * above in the grid. */ - if (a.region === 'C' && b.region === 'C') { - if (a.coords.y1 < b.coords.y1 || a.coords.x1 < b.coords.x1) { - return - 1; - }else{ - return 1; - } - } - - if (a.area < b.area){ - return 1; - } - - return 1; - }); - return colliders; - }; - - - //jQuery adapter - $.fn.collision = function(collider, options) { - return new Collision( this, collider, options ); - }; - - -}(jQuery, window, document)); |