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3.0
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22
data/scripts/colors.js
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22
data/scripts/colors.js
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//Cycles through a rainbow!
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setInterval(changeColor, 100)
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var colorShiftingClock = 0
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var colorFrequency = 2 * Math.PI / 600
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var numberOfColors = 1
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var lightness = 120
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var lightAdjust = 120
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function changeColor() {
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for (var i = 1; i <= numberOfColors; i ++) {
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var rgbValues = indexToColor(colorShiftingClock + ((i - 1) * 2 * Math.PI / numberOfColors / colorFrequency), colorFrequency)
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document.documentElement.style.setProperty("--shifting-color-" + i, "rgb(" + rgbValues[0] + "," + rgbValues[1] + "," + rgbValues[2] + ")")
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}
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var rgbLightValues = indexToColor(colorShiftingClock + ((i - 1) * 2 * Math.PI / numberOfColors / colorFrequency), colorFrequency)
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document.documentElement.style.setProperty("--shifting-color-1-light", "rgb(" + parseInt(rgbLightValues[0] + lightAdjust) + "," + parseInt(rgbLightValues[1] + lightAdjust) + "," + parseInt(rgbLightValues[2] + lightAdjust) + ")")
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colorShiftingClock += 1
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}
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function indexToColor(colorIndex, frequency) {
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var red = Math.sin(colorIndex * frequency + 0) * (255 - lightness) + lightness
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var green = Math.sin(colorIndex * frequency + 2 * Math.PI / 3) * (255 - lightness) + lightness
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var blue = Math.sin(colorIndex * frequency + 4 * Math.PI / 3) * (255 - lightness) + lightness
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return [red, green, blue]
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}
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