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rknLA/CaptureForces.swift

Created October 11, 2015 20:42
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CaptureForces.swift
var possibleForceValues: Set<CGFloat> = []
func touchUpdatedHandler(touch: UITouch) {
let preInsertionLength = possibleForceValues.count
possibleForceValues.insert(touch.force)
let postInsertionLength = possibleForceValues.count
if postInsertionLength - preInsertionLength == 1 {
print("inserted unique force: \(touch.force)")
}
}
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