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Code Issues Projects Releases Wiki Activity

[WIP] Fix animations on illustration-view (#690) 

It's still broken on iPad.
This commit is contained in:
Nathan Mattes 2022-12-08 00:02:00 +01:00
parent df783b3e53
commit c22f1fc66e
1 changed files with 34 additions and 28 deletions
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62
Mastodon/Scene/Onboarding/Welcome/View/WelcomeIllustrationView.swift
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@ -11,9 +11,19 @@ import MastodonCore
import MastodonUI
import MastodonLocalization
final class WelcomeIllustrationView: UIView {
fileprivate extension CGFloat {
static let centerHillStartPosition = 20.0
static let airplaneStartPosition = -178.0
static let leftHillStartPosition = 30.0
static let rightHillStartPosition = -161.0
let cloudBaseImageView = UIImageView()
static let airplaneSpeed = 50.0
static let leftHillSpeed = 20.0
static let centerHillSpeed = 40.0
static let rightHillSpeed = 20.0
}
final class WelcomeIllustrationView: UIView {
private let cloudBaseImage = Asset.Scene.Welcome.Illustration.cloudBase.image
private let cloudBaseExtendImage = Asset.Scene.Welcome.Illustration.cloudBaseExtend.image
@ -42,7 +52,7 @@ final class WelcomeIllustrationView: UIView {
}()
let leftHillImageView: UIImageView = {
let imageView = UIImageView(image: Asset.Scene.Welcome.Illustration.elephantThreeOnGrassWithTreeTwo.image)
let imageView = UIImageView(image: Asset.Scene.Welcome.Illustration.elephantThreeOnGrassWithTreeThree.image)
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.contentMode = .scaleAspectFill
return imageView
@ -55,6 +65,12 @@ final class WelcomeIllustrationView: UIView {
return imageView
}()
let cloudBaseImageView: UIImageView = {
let imageView = UIImageView(image: Asset.Scene.Welcome.Illustration.cloudBase.image)
imageView.translatesAutoresizingMaskIntoConstraints = false
imageView.contentMode = .scaleAspectFit
return imageView
}()
var aspectLayoutConstraint: NSLayoutConstraint!
@ -84,56 +100,47 @@ extension WelcomeIllustrationView {
cloudBaseImageView.topAnchor.constraint(equalTo: topAnchor)
])
rightHillImageView.translatesAutoresizingMaskIntoConstraints = false
let rightHillRightConstraint = rightAnchor.constraint(equalTo: rightHillImageView.rightAnchor)
let rightHillRightConstraint = rightAnchor.constraint(equalTo: rightHillImageView.rightAnchor, constant: .rightHillStartPosition)
addSubview(rightHillImageView)
NSLayoutConstraint.activate([
rightHillImageView.widthAnchor.constraint(equalTo: widthAnchor),
rightHillImageView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 0.64),
rightHillRightConstraint,
bottomAnchor.constraint(equalTo: rightHillImageView.bottomAnchor),
bottomAnchor.constraint(equalTo: rightHillImageView.bottomAnchor, constant: 149),
])
self.rightHillRightConstraint = rightHillRightConstraint
leftHillImageView.translatesAutoresizingMaskIntoConstraints = false
let leftHillLeftConstraint = leftHillImageView.leftAnchor.constraint(equalTo: leftAnchor)
let leftHillLeftConstraint = leftAnchor.constraint(equalTo: leftHillImageView.leftAnchor, constant: .leftHillStartPosition)
addSubview(leftHillImageView)
NSLayoutConstraint.activate([
leftHillImageView.widthAnchor.constraint(equalTo: widthAnchor),
leftHillImageView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 0.72),
leftHillLeftConstraint,
bottomAnchor.constraint(equalTo: leftHillImageView.bottomAnchor),
bottomAnchor.constraint(equalTo: leftHillImageView.bottomAnchor, constant: 187),
])
self.leftHillLeftConstraint = leftHillLeftConstraint
centerHillImageView.translatesAutoresizingMaskIntoConstraints = false
let centerHillLeftConstraint = centerHillImageView.leftAnchor.constraint(equalTo: leftAnchor)
let centerHillLeftConstraint = leftAnchor.constraint(equalTo: centerHillImageView.leftAnchor, constant: .centerHillStartPosition)
addSubview(centerHillImageView)
NSLayoutConstraint.activate([
centerHillLeftConstraint,
bottomAnchor.constraint(equalTo: centerHillImageView.bottomAnchor),
trailingAnchor.constraint(equalTo: centerHillImageView.trailingAnchor),
bottomAnchor.constraint(equalTo: centerHillImageView.bottomAnchor, constant: -18),
centerHillImageView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 1.2),
])
self.centerHillLeftConstraint = centerHillLeftConstraint
addSubview(elephantOnAirplaneWithContrailImageView)
let elephantOnAirplaneLeftConstraint = leftAnchor.constraint(equalTo: elephantOnAirplaneWithContrailImageView.leftAnchor, constant: 178) // add 12pt bleeding
let elephantOnAirplaneLeftConstraint = elephantOnAirplaneWithContrailImageView.leftAnchor.constraint(equalTo: leftAnchor, constant: .airplaneStartPosition) // add 12pt bleeding
NSLayoutConstraint.activate([
elephantOnAirplaneLeftConstraint,
elephantOnAirplaneWithContrailImageView.bottomAnchor.constraint(equalTo: centerYAnchor),
elephantOnAirplaneWithContrailImageView.bottomAnchor.constraint(equalTo: leftHillImageView.topAnchor),
// make a little bit large
elephantOnAirplaneWithContrailImageView.widthAnchor.constraint(equalTo: widthAnchor, multiplier: 0.84),
])
self.elephantOnAirplaneLeftConstraint = elephantOnAirplaneLeftConstraint
// aspectLayoutConstraint = cloudBaseImageView.widthAnchor.constraint(equalTo: cloudBaseImageView.heightAnchor, multiplier: layout.artworkImageSize.width / layout.artworkImageSize.height)
// aspectLayoutConstraint.isActive = true
}
func setup() {
@ -163,10 +170,9 @@ extension WelcomeIllustrationView {
}
func update(contentOffset: CGFloat) {
// updating the constraints doesn't work smoothly.
elephantOnAirplaneLeftConstraint?.constant = -(contentOffset / 50) + 111
leftHillLeftConstraint?.constant = (contentOffset / 50) + 111
centerHillLeftConstraint?.constant = (contentOffset / 50) + 111
rightHillRightConstraint?.constant = (contentOffset / 50) + 111
elephantOnAirplaneLeftConstraint?.constant = contentOffset / .airplaneSpeed + .airplaneStartPosition
leftHillLeftConstraint?.constant = contentOffset / .leftHillSpeed + .leftHillStartPosition
centerHillLeftConstraint?.constant = contentOffset / .centerHillSpeed + .centerHillStartPosition
rightHillRightConstraint?.constant = contentOffset / .rightHillSpeed + .rightHillStartPosition
}
}