Terrain Quad Tree example idea

{  
	id: "root",  
	x: 0,  
	y: 0,  
	width: 100,  
	height: 100,  
	parent: null,  
	type: null,  
	children: [  
		"node1",	//x: 0, y: 0, width: 50, height: 50  
		"node2",	//x: 50, y: 0, width: 50, height: 50  
		"node3",	//x: 0, y: 50, width: 50, height: 50  
		"node4"		//x: 50, y: 50, width: 50, height: 50  
	]  
}  
  
{  
	id: "node1",  
	x: 0,  
	y: 0,  
	width: 50,  
	height: 50,  
	parent: "root",  
	type: null,  
	children: [  
		"node5",	//x: 0, y: 0, width: 25, height: 25  
		"node6",	//x: 25, y: 0, width: 25, height: 25  
		"node7",	//x: 0, y: 25, width: 25, height: 25  
		"node8"		//x: 25, y: 25, width: 25, height: 25  
	]  
}  
  
{  
	id: "node5",  
	x: 0,  
	y: 0,  
	width: 25,  
	height: 25,  
	parent: "node1",  
	type: "GRASS",  
	children: [  
		//empty for now, could end up containing game objects  
	]  
}