14 lines
291 B
JavaScript
14 lines
291 B
JavaScript
export class Anchor {
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constructor(x, y) {
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this.x = x;
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this.y = y;
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}
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transform(tfm) {
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return Anchor.transform(tfm, this);
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}
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static transform(tfm, a) {
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const x = a.x * tfm.xx + a.y * tfm.yx + tfm.x;
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const y = a.x * tfm.xy + a.y * tfm.yy + tfm.y;
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return new Anchor(x, y);
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}
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}
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