@mapbox/mapbox-gl-style-spec
Version:
a specification for mapbox gl styles
21 lines (17 loc) • 532 B
text/typescript
import Color from './color';
export function number(a: number, b: number, t: number): number {
return (a * (1 - t)) + (b * t);
}
export function color(from: Color, to: Color, t: number): Color {
return new Color(
number(from.r, to.r, t),
number(from.g, to.g, t),
number(from.b, to.b, t),
number(from.a, to.a, t)
);
}
export function array(from: Array<number>, to: Array<number>, t: number): Array<number> {
return from.map((d, i) => {
return number(d, to[i], t);
});
}