CSS3動畫經常使用貝塞爾曲線實現更加天然,物理感的動畫。css
列舉了一些常見的貝塞爾曲線數值,用於作動畫的存檔。動畫
.a1{ animation: stretch 1s cubic-bezier(0.39, 0.575, 0.565, 1) infinite; }
.a2{ animation: stretch 1s cubic-bezier(0.55, 0.055, 0.675, 0.19) infinite; }
.a3{ animation: stretch 1s cubic-bezier(0.95, 0.05, 0.795, 0.035) infinite; }
.a4{ animation: stretch 1s cubic-bezier(0.19, 1, 0.22, 1) infinite; }
.a5{ animation: stretch 1s cubic-bezier(0.785, 0.135, 0.15, 0.86) infinite; }
.a6{ animation: stretch 1s cubic-bezier(0.68, -0.55, 0.265, 1.55) infinite; }
.a7{ animation: stretch 1s cubic-bezier(0.175, 0.885, 0.32, 1.275) infinite; }
P.S. 這個是我用的最多的,我以爲效果最天然。code