UnityAPI—Vector类

public class API12Vector2 : MonoBehaviour {

    // Use this for initialization
    void Start()
    {
        //print(Vector2.down);
        //print(Vector2.up);
        //print(Vector2.left);
        //print(Vector2.right);
        //print(Vector2.one);
        //print(Vector2.zero);

        //Vector2 a = new Vector2(2, 2);
        //Vector2 b = new Vector2(3, 4);
        //print(a.magnitude);
        //print(a.sqrMagnitude);
        //print(b.magnitude);
        //print(b.sqrMagnitude);

        //print(a.normalized);
        //print(b.normalized);

        //print(a.x + "," + a.y);
        //a.Normalize();
        //print(a[0] + "," + a[1]);

        //向量是结构体，是值类型，要整体赋值
        //transform.position = new Vector3(3, 3, 3);
        //Vector3 pos = transform.position;
        //pos.x = 10;
        //transform.position = pos;

        Vector2 a = new Vector2(2, 2);
        Vector2 b = new Vector2(3, 4);
        Vector2 c = new Vector2(3, 0);

        //print(Vector2.Angle(a, b));
        //print(Vector2.Angle(a, c));
        //print(Vector2.ClampMagnitude(c, 2));
        //print(Vector2.Distance(b, c));

        //print(Vector2.Lerp(a, b, 0.5f));//2.5 3
        //print(Vector2.LerpUnclamped(a, b, 0.5f));//2.5 3

        //print(Vector2.Lerp(a, b, 2f));//b 3,4
        //print(Vector2.LerpUnclamped(a, b, 2f));

        //print(Vector2.Max(a, b));
        //print(Vector2.Min(a, b));

        Vector2 res = b - a;//1,2
        print(res);
        print(res * 10);
        print(res / 5);
        print(a + b);
        print(a == b);

    }
    public Vector2 a = new Vector2(2, 2);
    public Vector2 target = new Vector2(10, 3);
    // Update is called once per frame
    void Update () {
        a = Vector2.MoveTowards(a, target, Time.deltaTime);
    }
}