A type of ping that produces an arrow pointing in a given direction.
Draw the shape for this ping.
The graphics object to draw to.
The color of the shape.
The alpha of the shape.
The size of the shape to draw.
Start the ping animation.
Returns true if the animation ran to completion, false otherwise.
On each tick, advance the animation.
The number of ms that elapsed since the previous frame.
The animation state.
A type of ping that produces an arrow pointing in a given direction.