src/model/vec2.ts


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export interface Vec2 {
  x: number,
  y: number,
}

export function zero(): Vec2 {
  return {
    x: 0,
    y: 0,
  }
}

export function equals(v1: Vec2, v2: Vec2): boolean {
  return v1.x === v2.x && v1.y === v2.y
}