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Unity rigidbody2Dでよく使うメソッド一覧

Last updated at Posted at 2015-10-12

角度取得

transform.localEulerAngles.z;

上下左右に押す力

GetComponent<Rigidbody2D> ().velocity.y; // 上下
GetComponent<Rigidbody2D> ().velocity.x; // 左右

指定角度&指定スピードで大砲みたいに飛ばす

Vector2 v;
v.x = Mathf.Cos(Mathf.Deg2Rad * direction) * speed;
v.y = Mathf.Sin(Mathf.Deg2Rad * direction) * speed;
GetComponent<Rigidbody2D>().velocity = v;

速度や重力のスピード制限に、全方向の速度取得

GetComponent<Rigidbody2D> ().velocity.magnitude

速度方向取得(移動量が大きい角度を取得)

dirVelocity = Mathf.Atan2 (GetComponent<Rigidbody2D>().velocity.y, GetComponent<Rigidbody2D>().velocity.x) * Mathf.Rad2Deg;

回転させないように固定など。

GetComponent<Rigidbody2D> ().constraints = RigidbodyConstraints2D.FreezeRotation; // 回転させないように、zだけ固定
GetComponent<Rigidbody2D> ().constraints = RigidbodyConstraints2D.FreezePosition; // x,y,z 全て固定
GetComponent<Rigidbody2D> ().constraints = RigidbodyConstraints2D.None; // x,y,zの固定解除
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