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29 lines
763 B
TypeScript
29 lines
763 B
TypeScript
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import { Color } from './sprite-types';
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export function hexToColor(hex: string): Color {
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return {
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r: parseInt(hex.slice(0, 2), 16) / 255,
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g: parseInt(hex.slice(2, 4), 16) / 255,
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b: parseInt(hex.slice(4, 6), 16) / 255,
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a: hex.length > 6 ? parseInt(hex.slice(6, 8), 16) / 255 : 1
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};
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}
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export function desaturate(color: Color, amount: number): Color {
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const gray = (color.r + color.g + color.b) / 6;
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return {
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r: color.r + ((gray - color.r) * amount),
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g: color.g + ((gray - color.g) * amount),
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b: color.b + ((gray - color.b) * amount),
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a: color.a,
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};
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}
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export function darken(color: Color, amount: number): Color {
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return {
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r: color.r * amount,
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g: color.g * amount,
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b: color.b * amount,
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a: color.a,
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}
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}
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