86 lines
2.9 KiB
Swift
86 lines
2.9 KiB
Swift
/**
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* Copyright (c) 2019 Razeware LLC
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* Notwithstanding the foregoing, you may not use, copy, modify, merge, publish,
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* distribute, sublicense, create a derivative work, and/or sell copies of the
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* Software in any work that is designed, intended, or marketed for pedagogical or
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* instructional purposes related to programming, coding, application development,
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* or information technology. Permission for such use, copying, modification,
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* merger, publication, distribution, sublicensing, creation of derivative works,
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* or sale is expressly withheld.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*/
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import MetalKit
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class InputController {
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var player: Node?
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var currentSpeed: Float = 0
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var rotationSpeed: Float = 4.0
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var translationSpeed: Float = 0.05 {
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didSet {
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if translationSpeed > maxSpeed {
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translationSpeed = maxSpeed
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}
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}
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}
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let maxSpeed: Float = 0.1
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var currentTurnSpeed: Float = 0
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var currentPitch: Float = 0
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var forward = false
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// conforming to macOS
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var keyboardDelegate: Any?
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}
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extension InputController {
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func processEvent(touches: Set<UITouch>, state: InputState, event: UIEvent?) {
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switch state {
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case .began, .moved:
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forward = true
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case .ended:
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forward = false
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default:
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break
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}
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}
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public func updatePlayer(deltaTime: Float) {
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guard let player = player else { return }
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let translationSpeed = deltaTime * self.translationSpeed
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currentSpeed = forward ? currentSpeed + translationSpeed :
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currentSpeed - translationSpeed * 2
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if currentSpeed < 0 {
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currentSpeed = 0
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} else if currentSpeed > maxSpeed {
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currentSpeed = maxSpeed
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}
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player.rotation.y += currentPitch * deltaTime * rotationSpeed
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player.position.x += currentSpeed * sin(player.rotation.y)
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player.position.z += currentSpeed * cos(player.rotation.y)
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}
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}
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enum InputState {
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case began, moved, ended, cancelled, continued
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}
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