reducedTheta
	x = 0 
		ifTrue: [^thetaY]
		ifFalse: 
			[thetaY >= 360 
				ifFalse: [^thetaY]
				ifTrue: 
					[| myY |
					myY := thetaY.
					[myY >= 360] whileTrue: [myY := myY - 360].
					^myY]]