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Drag the ball around (mouse wheel changes ball-size)
Corrugation
Marble
Military
[Spin]
These are the position data:

Unit Magnitude (distance) [0,1]:0
Unit vector (direction) (dx[-1,1],dy[-1,1]):(0,0)
Byte Magnitude (distance) [0,255]:0
Byte Vector (dx[-127,127],dy[-127,127]):(0,0)