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This commit is contained in:
Felix Roos 2022-03-24 19:46:38 +01:00
parent 6d02f4c264
commit b3c853ee26
7 changed files with 72 additions and 19 deletions
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6
docs/dist/pianoroll.js vendored
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@ -17,14 +17,16 @@ Pattern.prototype.pianoroll = function({
ctx.fillRect(0, 0, w, h);
events.forEach((event) => {
const isActive = event.whole.begin <= t && event.whole.end >= t;
ctx.fillStyle = isActive ? active : inactive;
ctx.fillStyle = event.context?.color || inactive;
ctx.strokeStyle = event.context?.color || active;
ctx.globalAlpha = event.context.velocity ?? 1;
const x = Math.round(event.whole.begin / timeframe * w);
const width = Math.round((event.whole.end - event.whole.begin) / timeframe * w);
const y = Math.round(h - (Number(event.value) - minMidi) / midiRange * h);
const offset = t / timeframe * w;
const margin = 0;
ctx.fillRect(x - offset + margin + 1, y + 1, width - 2, height - 2);
const coords = [x - offset + margin + 1, y + 1, width - 2, height - 2];
isActive ? ctx.strokeRect(...coords) : ctx.fillRect(...coords);
});
}, timeframe, 2);
return this;