Forcetouch

var prevStage = 0
override func pressureChange(with event: NSEvent) {
	let curStage:Int = event.stage
	if event.pressureBehavior == NSPressureBehavior.primaryDeepClick,prevStage != curStage {
		switch (curStage,prevStage){
			case (0,1):
				Swift.print("from idle to clickStage")
			case (1,0):
				Swift.print("from clickStage to idle")
			case (1,2):
				Swift.print("from clickStage to deepClickStage")
			case (2,1):
				Swift.print("from deepStage to clickStage")
			default: break;//isn't possible
		}
		Swift.print("stageChange")
		prevStage = curStage/*always set prevStage to curStage on stage change*/
	}
	Swift.print("pressureChange")
}

/**
 * NOTE: calculates the entire range of the stage pressures so from stage 0 to 1 the pressure goes from 0 to 0.5 and from stage 1 to 2 the linear pressure goes from 0.5 to 1 this makes it easier to scale things in a linear fashion from 0 to 1 in the entire stage range
 */
var linearPressure:CGFloat{
	if event.stage == 0 {
		return 0
	}else if event.stage == 1{
		return pressure / 2
	}else /*if stage == 2*/ {
		return 0.5 + (pressure / 2)
	}
}