Represents a series of arch structures with increasing size.
The x-coordinate offset for the arches.
The y-coordinate offset for the arches.
The number of arches to generate.
An array of Elements.
Private
Adds an object to the elements array.
The object to be added to this.elements
Adds an object at the beginning of elements array. This way object will be rendered first, thus being a background.
Represents a series of arch structures with increasing size.