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18 lines
536 B
18 lines
536 B
5 years ago
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import {cubehelix} from "d3-color";
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import {interpolateCubehelixLong} from "d3-interpolate";
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export var warm = interpolateCubehelixLong(cubehelix(-100, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
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export var cool = interpolateCubehelixLong(cubehelix(260, 0.75, 0.35), cubehelix(80, 1.50, 0.8));
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var rainbow = cubehelix();
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export default function(t) {
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if (t < 0 || t > 1) t -= Math.floor(t);
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var ts = Math.abs(t - 0.5);
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rainbow.h = 360 * t - 100;
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rainbow.s = 1.5 - 1.5 * ts;
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rainbow.l = 0.8 - 0.9 * ts;
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return rainbow + "";
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}
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