diff --git a/src/runtime/animate/index.ts b/src/runtime/animate/index.ts index ecfd9b2923..a68e6b0dc3 100644 --- a/src/runtime/animate/index.ts +++ b/src/runtime/animate/index.ts @@ -16,27 +16,31 @@ interface FlipParams { easing?: (t: number) => number; } -export function flip(node: Element, animation: { from: DOMRect; to: DOMRect }, params: FlipParams = {}): AnimationConfig { +export function flip(node: Element, { from, to }: { from: DOMRect; to: DOMRect }, params: FlipParams = {}): AnimationConfig { const style = getComputedStyle(node); const transform = style.transform === 'none' ? '' : style.transform; - const scaleX = animation.from.width / node.clientWidth; - const scaleY = animation.from.height / node.clientHeight; - const dx = (animation.from.left - animation.to.left) / scaleX; - const dy = (animation.from.top - animation.to.top) / scaleY; - - const d = Math.sqrt(dx * dx + dy * dy); + const [ox, oy] = style.transformOrigin.split(' ').map(parseFloat); + const dx = (from.left + from.width * ox / to.width) - (to.left + ox); + const dy = (from.top + from.height * oy / to.height) - (to.top + oy); const { delay = 0, - duration = (d: number) => Math.sqrt(d) * 120, + duration = (d) => Math.sqrt(d) * 120, easing = cubicOut } = params; return { delay, - duration: is_function(duration) ? duration(d) : duration, + duration: is_function(duration) ? duration(Math.sqrt(dx * dx + dy * dy)) : duration, easing, - css: (_t, u) => `transform: ${transform} translate(${u * dx}px, ${u * dy}px);` + css: (t, u) => { + const x = u * dx; + const y = u * dy; + const sx = t + u * from.width / to.width; + const sy = t + u * from.height / to.height; + + return `transform: ${transform} translate(${x}px, ${y}px) scale(${sx}, ${sy});`; + } }; }