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Fix animation cosine phase-shifted sampling

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Pyrethus 2024-01-27 05:47:11 +02:00
parent 8257066e9e
commit 4a4f6e0d71
1 changed files with 2 additions and 2 deletions
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4
plugin-playground/src/main/kotlin/XPGlobesPlugin/plugin.kt
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@ -197,8 +197,8 @@ class plugin : Plugin() {
val currentTime = System.currentTimeMillis()
var animWeight = (currentTime - globe.timestamp).toFloat() / Constants.GLOBE_LIFETIME
animWeight = clamp(animWeight, 0.0F, 1.0F)
// sample cosine for the text pulse animation effect (cosine offset is to respect number of pulses)
var pulseWeight = cos(animWeight * (PI + PI * 2 * Constants.GLOBE_TEXT_PULSES).toFloat())
// sample cosine for the text pulse animation effect (cosine phase-shift is to respect number of pulses)
var pulseWeight = cos(PI + animWeight * (PI * 2 * Constants.GLOBE_TEXT_PULSES).toFloat()).toFloat()
pulseWeight = (pulseWeight + 1.0F) / 2.0F // map pulseWeight from [-1,1] to [0,1]
val pulseIntensity = lerp(Constants.GLOBE_TEXT_PULSE_LOW, Constants.GLOBE_TEXT_PULSE_HIGH, pulseWeight)