效果圖
未標題-1.gif
漸變:將一幅圖像混合成另一幅圖像的動畫,如背景變換。
主要代碼
//transitionCrossDissolve舊視圖溶解消失顯示下一個新視圖的效果, imageView:要換圖片的imageview,newImage:更換的新圖片
UIView.transition(with: imageView, duration: 1.0, options: .transitionCrossDissolve, animations: {
imageView.image = newImage
}, completion: nil)
模擬3d:使看起來像在一個方塊上滾動顯示,如航班和登機門顯示。使label縮短,看起來像是滾到后面一樣
主要代碼
label.transform = CGAffineTransform(translationX: 0.0, y: -auxLabelOffset).scaledBy(x: 1.0, y: 0.1)
分段:如圖中的飛機飛行
主要代碼:
//創建幀動畫,總時長1.5秒
UIView.animateKeyframes(withDuration: 1.5, delay: 0.0, animations: {
//添加幀動畫,從0秒開始,經過0.25秒
UIView.addKeyframe(withRelativeStartTime: 0.0, relativeDuration: 0.25, animations: {
self.planeImage.center.x += 80.0//飛機向右飛80
self.planeImage.center.y -= 10.0//向上10
})
//添加幀動畫,從0.1秒開始,經過0.4秒
UIView.addKeyframe(withRelativeStartTime: 0.1, relativeDuration: 0.4) {
self.planeImage.transform = CGAffineTransform(rotationAngle: -.pi / 8)//飛機抬頭
}
UIView.addKeyframe(withRelativeStartTime: 0.25, relativeDuration: 0.25) {
self.planeImage.center.x += 100.0
self.planeImage.center.y -= 50.0
self.planeImage.alpha = 0.0
}
UIView.addKeyframe(withRelativeStartTime: 0.51, relativeDuration: 0.01) {
self.planeImage.transform = .identity
self.planeImage.center = CGPoint(x: 0.0, y: originalCenter.y)
}
UIView.addKeyframe(withRelativeStartTime: 0.55, relativeDuration: 0.45) {
self.planeImage.alpha = 1.0
self.planeImage.center = originalCenter
}
}, completion: nil)