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Prefer arrow functions (#2344)

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Lipis 2020-11-06 22:06:39 +02:00 • committed by GitHub
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41
src/gatransforms.ts
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@ -6,33 +6,36 @@ import * as GADirection from "./gadirections";
* TODO: docs
*/
export function rotation(pivot: Point, angle: number): Transform {
return GA.add(GA.mul(pivot, Math.sin(angle / 2)), Math.cos(angle / 2));
}
export const rotation = (pivot: Point, angle: number): Transform =>
GA.add(GA.mul(pivot, Math.sin(angle / 2)), Math.cos(angle / 2));
export function translation(direction: Direction): Transform {
return [1, 0, 0, 0, -(0.5 * direction[5]), 0.5 * direction[4], 0, 0];
}
export const translation = (direction: Direction): Transform => [
1,
0,
0,
0,
-(0.5 * direction[5]),
0.5 * direction[4],
0,
0,
];
export function translationOrthogonal(
export const translationOrthogonal = (
direction: Direction,
distance: number,
): Transform {
): Transform => {
const scale = 0.5 * distance;
return [1, 0, 0, 0, scale * direction[4], scale * direction[5], 0, 0];
}
};
export function translationAlong(line: Line, distance: number): Transform {
return GA.add(GA.mul(GADirection.orthogonalToLine(line), 0.5 * distance), 1);
}
export const translationAlong = (line: Line, distance: number): Transform =>
GA.add(GA.mul(GADirection.orthogonalToLine(line), 0.5 * distance), 1);
export function compose(motor1: Transform, motor2: Transform): Transform {
return GA.mul(motor2, motor1);
}
export const compose = (motor1: Transform, motor2: Transform): Transform =>
GA.mul(motor2, motor1);
export function apply(
export const apply = (
motor: Transform,
nvector: Point | Direction | Line,
): Point | Direction | Line {
return GA.normalized(GA.mul(GA.mul(motor, nvector), GA.reverse(motor)));
}
): Point | Direction | Line =>
GA.normalized(GA.mul(GA.mul(motor, nvector), GA.reverse(motor)));