Installed leaflet in extlib

[mediagoblin.git] / extlib / leaflet / src / geometry / Point.js

/*\r
 * L.Point represents a point with x and y coordinates.\r
 */\r
\r
L.Point = function(/*Number*/ x, /*Number*/ y, /*Boolean*/ round) {\r
	this.x = (round ? Math.round(x) : x);\r
	this.y = (round ? Math.round(y) : y);\r
};\r
\r
L.Point.prototype = {\r
	add: function(point) {\r
		return this.clone()._add(point);\r
	},\r
	\r
	_add: function(point) {\r
		this.x += point.x;\r
		this.y += point.y;\r
		return this;		\r
	},\r
		\r
	subtract: function(point) {\r
		return this.clone()._subtract(point);\r
	},\r
	\r
	// destructive subtract (faster)\r
	_subtract: function(point) {\r
		this.x -= point.x;\r
		this.y -= point.y;\r
		return this;\r
	},\r
	\r
	divideBy: function(num, round) {\r
		return new L.Point(this.x/num, this.y/num, round);\r
	},\r
	\r
	multiplyBy: function(num) {\r
		return new L.Point(this.x * num, this.y * num);\r
	},\r
	\r
	distanceTo: function(point) {\r
		var x = point.x - this.x,\r
			y = point.y - this.y;\r
		return Math.sqrt(x*x + y*y);\r
	},\r
	\r
	round: function() {\r
		return this.clone()._round();\r
	},\r
	\r
	// destructive round\r
	_round: function() {\r
		this.x = Math.round(this.x);\r
		this.y = Math.round(this.y);\r
		return this;\r
	},\r
	\r
	clone: function() {\r
		return new L.Point(this.x, this.y);\r
	},\r
	\r
	toString: function() {\r
		return 'Point(' + \r
				L.Util.formatNum(this.x) + ', ' + \r
				L.Util.formatNum(this.y) + ')'; \r
	}\r
};