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pianoroll: hideNegative flag

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This commit is contained in:
Felix Roos 2022-06-05 23:38:33 +02:00
parent ac39a609d7
commit 68814dd97c
1 changed files with 4 additions and 2 deletions
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6
packages/tone/pianoroll.mjs
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@ -14,6 +14,7 @@ Pattern.prototype.pianoroll = function ({
overscan = 1,
flipTime = 0,
flipValues = 0,
hideNegative = false,
inactive = '#C9E597',
active = '#FFCA28',
// background = '#2A3236',
@ -58,9 +59,10 @@ Pattern.prototype.pianoroll = function ({
ctx.fillStyle = background;
ctx.clearRect(0, 0, w, h);
ctx.fillRect(0, 0, w, h);
const inFrame = (event) => event.whole.begin >= 0 && event.whole.begin <= t + to && event.whole.end >= t + from;
const inFrame = (event) =>
(!hideNegative || event.whole.begin >= 0) && event.whole.begin <= t + to && event.whole.end >= t + from;
events.filter(inFrame).forEach((event) => {
const isActive = event.whole.begin <= t && event.whole.end >= t;
const isActive = event.whole.begin <= t && event.whole.end > t;
ctx.fillStyle = event.context?.color || inactive;
ctx.strokeStyle = event.context?.color || active;
ctx.globalAlpha = event.context.velocity ?? 1;