private void doubleSize() {
		if (vortexSpaces.length == 0) {
			vortexSpaces = new VortexSpace[2];
			return;
		}
		
		VortexSpace[] newVersionOfSpaces = new VortexSpace[vortexSpaces.length*2];
		
		for (int i=0; i<vortexSpaces.length; i++) {
			newVersionOfSpaces[i] = vortexSpaces[i];
		}
		
		vortexSpaces = newVersionOfSpaces;
	}