45 lines
1.0 KiB
JavaScript
45 lines
1.0 KiB
JavaScript
class Color {
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constructor(r, g, b, a) {
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r = Math.max(0, r);
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r = Math.min(1, r);
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g = Math.max(0, g);
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g = Math.min(1, g);
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b = Math.max(0, b);
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b = Math.min(1, b);
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if (a !== 0) {
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a = a || 1;
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}
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a = Math.max(0, a);
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a = Math.min(1, a);
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this._r = r;
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this._g = g;
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this._b = b;
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this._a = a;
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}
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rgba() {
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let out = "rgba(";
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out += Math.floor(this._r * 255);
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out += ", ";
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out += Math.floor(this._g * 255);
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out += ", ";
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out += Math.floor(this._b * 255);
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out += ", ";
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out += this._a;
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out += ")";
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return out;
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}
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static random() {
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return new Color(Math.random(), Math.random(), Math.random(), Math.random());
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}
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static randomGray() {
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let intensiviry = Math.random();
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return new Color(intensiviry, intensiviry, intensiviry, Math.random());
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}
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}
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export default Color;
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