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An Arrow provides a shape that indicates direction or placement.
In jME an Arrow is represented by a cylinder with a pyramid cap. To define the arrow, the length and width is provided. The arrow will always face (0, 1, 0), where the user will orient the arrow as needed using the Arrow's local rotation.
//Create a arrow with a length of 10 and width of 5 Arrow a = new Arrow("Arrow", 10, 5);