spatialManager.js

/*

spatialManager.js

A module which handles spatial lookup, as required for...
e.g. general collision detection.

*/

"use strict";

/* jshint browser: true, devel: true, globalstrict: true */

/*
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*/

var spatialManager = {

// "PRIVATE" DATA

_nextSpatialID : 1, // make all valid IDs non-falsey (i.e. don't start at 0)

_entities : [],

// "PRIVATE" METHODS
//
// <none yet>


// PUBLIC METHODS

getNewSpatialID : function() {

	// TODO: YOUR STUFF HERE!

},

register: function(entity) {
	var pos = entity.getPos();
	var spatialID = entity.getSpatialID();
	
	// TODO: YOUR STUFF HERE!

},

unregister: function(entity) {
	var spatialID = entity.getSpatialID();

	// TODO: YOUR STUFF HERE!

},

findEntityInRange: function(posX, posY, radius) {

	// TODO: YOUR STUFF HERE!

},

render: function(ctx) {
	var oldStyle = ctx.strokeStyle;
	ctx.strokeStyle = "red";
	
	for (var ID in this._entities) {
		var e = this._entities[ID];
		util.strokeCircle(ctx, e.posX, e.posY, e.radius);
	}
	ctx.strokeStyle = oldStyle;
}

}