This data type is used to describe an arc that can be drawn to the screen.
Fields
int x The x-coordinate of the arc's centrepoint.
int y The y-coordinate of the arc's centrepoint.
int xRadius The radius of the arc in the x-dimension.
int yRadius The radius of the arc in the y-dimension.
int start The start of the arc, in degrees.
int end The end of the arc, in degrees.
Color color The color of the arc.