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Add a "Stress Test" to the example iOS app
Diffs= a7e5cc22f Add a "Stress Test" to the example iOS app (#5986) Co-authored-by: Chris Dalton <99840794+csmartdalton@users.noreply.github.com> Co-authored-by: Zach Plata <plata.zach@gmail.com>
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| // | ||
| // StressTest.swift | ||
| // RiveExample | ||
| // | ||
| // Created by Chris Dalton on 1/30/23. | ||
| // Copyright © 2023 Rive. All rights reserved. | ||
| // | ||
|
|
||
| import UIKit | ||
| import RiveRuntime | ||
| import SwiftUI | ||
|
|
||
| // Example to test drawing multiple times within a single view | ||
| class StressTestViewController: UIViewController { | ||
| var viewModel: RiveViewModel? | ||
| var rView: CustomRiveView? | ||
|
|
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| @objc func onTap(_ sender:UITapGestureRecognizer) { | ||
| if let riveView = rView { | ||
| riveView.drawRepeat += 3; | ||
| self.title = "Stress Test (x\(riveView.drawRepeat))" | ||
| } | ||
| } | ||
|
|
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| override func viewWillAppear(_ animated: Bool) { | ||
| let rModel = try! RiveModel(fileName: "marty", extension: ".riv", in: .main) | ||
| rView = CustomRiveView(model: rModel, autoPlay: true) | ||
| viewModel = RiveViewModel(rModel, animationName: "Animation2") | ||
| viewModel!.fit = RiveFit.contain | ||
| viewModel!.setView(rView!) | ||
| view.addSubview(rView!) | ||
| let f = view.frame | ||
| let h = UIApplication.shared.statusBarFrame.height + 40 | ||
| rView!.frame = CGRect(x:f.minX, y:f.minY + h, width:f.width, height:f.height - h) | ||
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| let gesture = UITapGestureRecognizer(target: self, action: #selector (self.onTap (_:))) | ||
| rView!.addGestureRecognizer(gesture) | ||
|
|
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| rView!.showFPS = true | ||
| } | ||
| } | ||
|
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| // New RiveView that overrides the drawing logic to re-draw the view multiple times. | ||
| class CustomRiveView: RiveView { | ||
| private var rModel: RiveModel? | ||
| public var drawRepeat: Int32 = 1 | ||
| init(model: RiveModel, autoPlay: Bool = true) { | ||
| super.init() | ||
| rModel = model | ||
| } | ||
|
|
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| required init(coder aDecoder: NSCoder) { | ||
| super.init(coder: aDecoder) | ||
| } | ||
| override func drawRive(_ rect: CGRect, size: CGSize) { | ||
| // This prevents breaking when loading RiveFile async | ||
| guard let artboard = rModel?.artboard else { return } | ||
|
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| let newFrame = CGRect(origin: rect.origin, size: size) | ||
| align(with: newFrame, contentRect: artboard.bounds(), alignment: .center, fit: .contain) | ||
|
|
||
| // Find a delta by which to advance our animation each repeated draw, that will loop back | ||
| // around to the original starting point once we're done drawing. | ||
| var delta = 0.0 | ||
| if let animation = rModel?.animation { | ||
| delta = Double(animation.effectiveDurationInSeconds()) / Double(drawRepeat) | ||
| } | ||
| let pad:Float = 100.0 | ||
| let r = min(drawRepeat, 8) | ||
| let x0:Float = Float(r - 1) * 0.5 * -pad | ||
| var x:Float = x0 | ||
| var y:Float = -pad * 4 | ||
| for i in 1...drawRepeat { | ||
| if (i & 0x7) == 0 { | ||
| y += pad | ||
| x = x0 | ||
| } | ||
| save() | ||
| transform(1, xy:0, yx:0, yy:1, tx:x, ty:y); | ||
| draw(with: artboard) | ||
| restore() | ||
| rModel?.animation?.advance(by: delta) | ||
| x += pad | ||
| } | ||
| } | ||
| } |
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