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Cleanup

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Leo Vasanko 2025-08-25 17:34:58 -06:00
parent e0f0da1c8c
commit c3ba8e1b0c
1 changed files with 21 additions and 29 deletions
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46
src/plugins/scrollManager.js
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@ -70,6 +70,9 @@ function createMomentumDrag({
momentumFrame = requestAnimationFrame(step)
}
function applyDragByDelta(deltaY, reason) {
const now = performance.now()
while (samples[0]?.timestamp < now - VELOCITY_MS) samples.shift()
samples.push({ timestamp: now, position: deltaY })
const newScrollTop = startScroll - deltaY * speed
const maxScroll = Math.max(0, contentHeight.value - viewportHeight.value)
const clamped = Math.max(0, Math.min(newScrollTop, maxScroll))
@ -80,14 +83,15 @@ function createMomentumDrag({
applyDragByDelta(deltaY, reason)
}
function endDrag() {
if (!dragging) return
dragging = false
window.removeEventListener('pointermove', onPointerMove, true)
window.removeEventListener('pointerup', onPointerUp, true)
window.removeEventListener('pointercancel', onPointerUp, true)
window.removeEventListener('pointerup', endDrag, true)
window.removeEventListener('pointercancel', endDrag, true)
if (allowTouch) {
window.removeEventListener('touchmove', onTouchMove)
window.removeEventListener('touchend', onTouchEnd)
window.removeEventListener('touchcancel', onTouchEnd)
window.removeEventListener('touchend', endDrag)
window.removeEventListener('touchcancel', endDrag)
}
document.removeEventListener('pointerlockchange', onPointerLockChange, true)
if (usingPointerLock && document.pointerLockElement === viewport.value) {
@ -108,31 +112,19 @@ function createMomentumDrag({
startMomentum()
}
function onPointerMove(e) {
if (!dragging) return
if (document.pointerLockElement === viewport.value) {
// Use movementY deltas under pointer lock
const now = performance.now()
if (!dragging || document.pointerLockElement !== viewport.value) return
dragAccumY += e.movementY
while (samples[0]?.timestamp < now - VELOCITY_MS) samples.shift()
samples.push({ timestamp: now, position: dragAccumY })
applyDragByDelta(dragAccumY, reasonDragPointer)
}
e.preventDefault()
}
function onPointerUp() {
if (dragging) endDrag()
}
function onTouchMove(e) {
if (!dragging) return
const t = e.touches[0]
const now = performance.now()
while (samples[0]?.timestamp < now - VELOCITY_MS) samples.shift()
samples.push({ timestamp: now, position: t.clientY })
applyDragPosition(t.clientY, reasonDragTouch)
e.preventDefault()
if (e.touches.length !== 1) {
endDrag()
return
}
function onTouchEnd() {
if (dragging) endDrag()
applyDragPosition(e.touches[0].clientY, reasonDragTouch)
e.preventDefault()
}
function handlePointerDown(e) {
if (e.button !== undefined && e.button !== 0) return
@ -146,10 +138,10 @@ function createMomentumDrag({
dragAccumY = 0
samples = [{ timestamp: performance.now(), position: e.clientY }]
window.addEventListener('pointermove', onPointerMove, true)
window.addEventListener('pointerup', onPointerUp, true)
window.addEventListener('pointercancel', onPointerUp, true)
window.addEventListener('pointerup', endDrag, true)
window.addEventListener('pointercancel', endDrag, true)
document.addEventListener('pointerlockchange', onPointerLockChange, true)
viewport.value.requestPointerLock()
viewport.value.requestPointerLock({ unadjustedMovement: true })
}
function handleTouchStart(e) {
if (!allowTouch) return
@ -164,8 +156,8 @@ function createMomentumDrag({
dragAccumY = 0
samples = [{ timestamp: performance.now(), position: t.clientY }]
window.addEventListener('touchmove', onTouchMove, { passive: false })
window.addEventListener('touchend', onTouchEnd, { passive: false })
window.addEventListener('touchcancel', onTouchEnd, { passive: false })
window.addEventListener('touchend', endDrag, { passive: false })
window.addEventListener('touchcancel', endDrag, { passive: false })
e.preventDefault()
}
function onPointerLockChange() {