decla-red/frontend/src/scripts/math/vec2.ts
schmelczerandras ef315b7089 Add glsl loader
2020-07-20 15:52:18 +02:00

50 lines
1.1 KiB
TypeScript

import { Typed } from '../transport/serializable';
export class Vec2 extends Typed {
public constructor(public x: number = 0.0, public y: number = null) {
super();
if (this.y === null) {
this.y = this.x;
}
}
public scale(scalar: number): Vec2 {
return new Vec2(this.x * scalar, this.y * scalar);
}
public add(other: Vec2): Vec2 {
return new Vec2(this.x + other.x, this.y + other.y);
}
public subtract(other: Vec2): Vec2 {
return new Vec2(this.x - other.x, this.y - other.y);
}
public times(other: Vec2): Vec2 {
return new Vec2(this.x * other.x, this.y * other.y);
}
public divide(other: Vec2): Vec2 {
return new Vec2(this.x / other.x, this.y / other.y);
}
public get length(): number {
return Math.sqrt(this.x * this.x + this.y * this.y);
}
public get normalized(): Vec2 {
return this.scale(1 / this.length);
}
public get clamped_0_1(): Vec2 {
return new Vec2(
Math.min(1, Math.max(0, this.x)),
Math.min(1, Math.max(0, this.y))
);
}
public get list(): [number, number] {
return [this.x, this.y];
}
}