The speed at which your opponent is moving toward you, perpendicular to LateralVelocity. If you stand still, RamFire usually has an AdvancingVelocity of 8 and MyFirstRobot will probably normally have an AdvancingVelocity of close to 0. A robot moving straight away from you would have an AdvancingVelocity of -8.

The formula for calculating this is:

double advancingvelocity = -Math.cos(e.getHeadingRadians()-absbearing)*e.getVelocity();absbearing is the absolute bearing to your target. If you take off the negative sign, I suppose it would be the retreating velocity. --Kawigi