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Don't insist on a mixture of swipes and taps; interpret swipes in all directions #10

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Don't insist on a mixture of swipes and taps; interpret swipes in all directions #10

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1aeb390
Don't make it necessary to mix swipes and taps
ibsh Nov 15, 2017
bf1a38b
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ibsh Nov 15, 2017
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31 changes: 24 additions & 7 deletions ARTetris/ViewController.swift
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Original file line number Diff line number Diff line change
Expand Up @@ -81,19 +81,36 @@ class ViewController: UIViewController, ARSCNViewDelegate {
let swiftUp = UISwipeGestureRecognizer(target: self, action: #selector(handleSwipe(sender:)))
swiftUp.direction = .up
self.view.addGestureRecognizer(swiftUp)

let swiftLeft = UISwipeGestureRecognizer(target: self, action: #selector(handleSwipe(sender:)))
swiftLeft.direction = .left
self.view.addGestureRecognizer(swiftLeft)

let swiftRight = UISwipeGestureRecognizer(target: self, action: #selector(handleSwipe(sender:)))
swiftRight.direction = .right
self.view.addGestureRecognizer(swiftRight)

let tap = UITapGestureRecognizer(target: self, action: #selector(handleTap(sender:)))
self.view.addGestureRecognizer(tap)
}

@objc private func handleSwipe(sender: UISwipeGestureRecognizer) {
if (sender.direction == .down) {
// drop down tetromino on swipe down
tetris?.drop()
} else {
// rotate tetromino on swipe up
tetris?.rotate()
}
switch sender.direction {
case .down:
// drop down tetromino on swipe down
tetris?.drop()
case .up:
// rotate tetromino on swipe up
tetris?.rotate()
case .left:
// move tetromino left on swipe left
tetris?.left()
case .right:
// move tetromino right on right left
tetris?.right()
default:
break
}
}

@objc private func handleTap(sender: UITapGestureRecognizer) {
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