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AudioViz: mirrored bars

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quadbyte 2025-08-18 21:57:44 -04:00
parent 7d2534644d
commit 5d019d1eac
5 changed files with 74 additions and 59 deletions
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14
Modules/Audio/WaveSpectrum.qml
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@ -48,18 +48,22 @@ Item {
ctx.beginPath()
// Draw the top half of the waveform from left to right
ctx.moveTo(0, centerY - (mirroredValues[0] * amplitude)) // Move to the first point
// Use the calculated offset for the first point
var yOffset = Math.max(1, mirroredValues[0] * amplitude)
ctx.moveTo(0, centerY - yOffset)
for (var i = 1; i < count; i++) {
const x = i * stepX
const y = centerY - (mirroredValues[i] * amplitude)
yOffset = Math.max(1, mirroredValues[i] * amplitude)
const y = centerY - yOffset
ctx.lineTo(x, y)
}
// Draw the bottom half of the waveform from right to left to create a closed shape
for (var i = count - 1; i >= 0; i--) {
const x = i * stepX
const y = centerY + (mirroredValues[i] * amplitude)
// Mirrored across the center
yOffset = Math.max(1, mirroredValues[i] * amplitude)
const y = centerY + yOffset // Mirrored across the center
ctx.lineTo(x, y)
}
@ -74,4 +78,4 @@ Item {
}
}
}
}
}