Max/yellowberry_MercuryPlayer
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add arrow rotation

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esterTion
2021-12-15 01:52:37 +08:00
parent fd9a490f0f
commit 6954f8b714
1 changed files with 26 additions and 2 deletions
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main.js
+26 -2
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@@ -58,12 +58,16 @@ const arrowCanvas = {
out: document.createElement('canvas'),
left: document.createElement('canvas'),
right: document.createElement('canvas'),
leftRotation: document.createElement('canvas'),
rightRotation: document.createElement('canvas'),
}
function createArrows() {
arrowCanvas.in.width = maxR*2, arrowCanvas.in.height = maxR*2
arrowCanvas.out.width = maxR*2, arrowCanvas.out.height = maxR*2
arrowCanvas.left.width = maxR*2, arrowCanvas.left.height = maxR*2
arrowCanvas.right.width = maxR*2, arrowCanvas.right.height = maxR*2
arrowCanvas.leftRotation.width = maxR*2, arrowCanvas.leftRotation.height = maxR*2
arrowCanvas.rightRotation.width = maxR*2, arrowCanvas.rightRotation.height = maxR*2
const ctx = {
in: arrowCanvas.in.getContext('2d'),
out: arrowCanvas.out.getContext('2d'),
@@ -196,6 +200,7 @@ function loadUsingSelect() {
const strId = musicTable[id].AssetDirectory
parseNotesFromFile(`MusicData/${strId}/${strId}_0${diffi}.mer`)
fetch('Sound/Bgm/output/MER_BGM_'+strId.replace('-', '_')+'.m4a').then(r => r.blob()).then(b => {
if (/safari/i.test(navigator.userAgent) && !/chrome/i.test(navigator.userAgent)) b = new Blob([b], { type: 'audio/mp4' })
setBgm(URL.createObjectURL(b))
})
}
@@ -824,6 +829,25 @@ function render(now) {
})
if (notesToRender.arrow.length) {
let arrowRotationSpeed = RENDER_DISTANCE * 4
if (notesToRender.flickL.length) {
let ctx = arrowCanvas.leftRotation.getContext('2d')
ctx.clearRect(0, 0, maxR*2, maxR*2)
ctx.translate(maxR, maxR)
ctx.rotate((currentDistance % arrowRotationSpeed) / arrowRotationSpeed * Math.PI)
ctx.translate(-maxR, -maxR)
ctx.drawImage(arrowCanvas.left, 0, 0)
ctx.setTransform(1, 0, 0, 1, 0, 0)
}
if (notesToRender.flickR.length) {
let ctx = arrowCanvas.rightRotation.getContext('2d')
ctx.clearRect(0, 0, maxR*2, maxR*2)
ctx.translate(maxR, maxR)
ctx.rotate(-(currentDistance % arrowRotationSpeed) / arrowRotationSpeed * Math.PI)
ctx.translate(-maxR, -maxR)
ctx.drawImage(arrowCanvas.right, 0, 0)
ctx.setTransform(1, 0, 0, 1, 0, 0)
}
for (let i=notesToRender.arrow.length-1; i>=0; i--) {
const a = notesToRender.arrow[i]
const r = distanceToRenderRadius(maxR*0.95, (a.distance - currentDistance) / RENDER_DISTANCE)
@@ -848,11 +872,11 @@ function render(now) {
break
}
case '5': case '6': case '23': {
ctx.drawImage(arrowCanvas.left, centerX-r, centerY-r, r*2, r*2)
ctx.drawImage(arrowCanvas.leftRotation, centerX-r, centerY-r, r*2, r*2)
break
}
case '7': case '8': case '24': {
ctx.drawImage(arrowCanvas.right, centerX-r, centerY-r, r*2, r*2)
ctx.drawImage(arrowCanvas.rightRotation, centerX-r, centerY-r, r*2, r*2)
break
}
}