Function crossVec2Vec2

src/common/Matrix.ts:159–161

(a: Vec2Value, b: Vec2Value)

}

export function crossVec2Vec2(a: Vec2Value, b: Vec2Value): number {
  return a.x * b.y - a.y * b.x;
}

export function dotVec2(a: Vec2Value, b: Vec2Value): number {
  return a.x * b.x + a.y * b.y;