2016年1月2日 · Both Vector2 and Vector3 are a struct in the Unity engine, so the creation of one from the other simply involves the allocation of a storage on the stack (unless the destination is an attribute of a class object, which would allow skipping this first step) and the copying of the two component values.

2015年4月21日 · public static Vector2 operator +(Vector3 a, Vector2 b); Nevertheless there is not any of those signatures in the API so the compiler tries to "cast" parameters to known signatures. Then the compiler finds those two potential signatures: public static Vector3 operator +(Vector3 a, Vector3 b); public static Vector2 operator +(Vector2 a, Vector2 b);

2018年8月21日 · I would write a function that uses a random rotation value and converts it into a Vector2 using sin/cos. The following function takes the angle range (in radians) for how big you want the range of values to be in, and a starting angle if you want it offset.

2015年12月21日 · I always forget how to do this when I need it so I wrote a couple of extension methods. public static Vector2 PerpendicularClockwise(this Vector2 vector2) { return new Vector2(vector2.Y, -vector2.X); } public static Vector2 PerpendicularCounterClockwise(this Vector2 vector2) { return new Vector2(-vector2.Y, vector2.X); }

2022年1月10日 · In Unity's documentation for Vector2.MoveTowards, they assign a two variables, "speed" and "step". "step" is simply speed * Time.deltaTime. Why is this step variable assigned? What function does this serve that means the speed variable isn't used in place of step? What is this variable controlling when used in these parameters?

2015年8月20日 · Get a Vector2 Based on Object Rotation in Unity. 0. Clarification of functionality of Vector2.MoveTowards ...

2021年5月27日 · Vector2 direction = -transform.up; Otherwise, you can construct the rotation you want and rotate the "down" vector by it: Vector2 RotationToVector(float degrees) { Quaternion rotation = Quaternion.Euler(0, 0, degrees); Vector2 v = rotation * Vector3.Down; return v; }

2017年7月3日 · The data is a List of Vector2 control points for creating Bezier curves. I want to calculate the angle between index 0,1,2 then 2,3,4 then 4,5,6 etc. with the middle index as the angle needed.

2016年3月3日 · public Vector2 Direction { get; set; } private Rigidbody2D body; void Awake() { body = gameObject.GetComponent<Rigidbody2D> (); } void FixedUpdate(){ body.MovePosition (transform.position + Direction * moveSpeed * Time.deltaTime); } } UPDATE I tried just making the bullet move by placing it on the scene.

2018年5月25日 · That's easy to overlook, especially if the class is more complex than this unrealistically small example (There's a theme here...). It's one bug that can't happen when using Vector2. IDEs. you cant shorten it by using something like Vec2 = Vector2. You might be working on a school assignment where you aren't allowed to use an IDE.