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Fix: Make ground retract downward on scroll

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This commit is contained in:
multipleof4
2025-11-09 06:50:29 -08:00
parent 03a0db0a5c
commit 38875100ab
1 changed files with 4 additions and 6 deletions
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10
index.html
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@@ -366,10 +366,6 @@
;(()=>{ ;(()=>{
const g=document.getElementById('ground-group') const g=document.getElementById('ground-group')
if(!g)return if(!g)return
const max=1
const minY=-380
const base=g.transform.baseVal.consolidate()
const baseY=base?base.matrix.f:0
const ensure=()=>{ const ensure=()=>{
if(!g.transform.baseVal.numberOfItems){ if(!g.transform.baseVal.numberOfItems){
const t=g.ownerSVGElement.createSVGTransform() const t=g.ownerSVGElement.createSVGTransform()
@@ -378,11 +374,13 @@
} }
} }
ensure() ensure()
const baseY=g.transform.baseVal.consolidate().matrix.f||0
const totalDrop=420
const onScroll=()=>{ const onScroll=()=>{
const h=window.innerHeight||1 const h=window.innerHeight||1
const p=Math.min(window.scrollY/h,max) const p=Math.min(window.scrollY/h,1)
const eased=p*p const eased=p*p
const y=baseY+minY*eased const y=baseY+totalDrop*eased
const t=g.transform.baseVal.getItem(0) const t=g.transform.baseVal.getItem(0)
t.setTranslate(0,y) t.setTranslate(0,y)
} }