public override void Fn_GetThrow()
{
GameData.ThrowData tmpData = new GameData.ThrowData();
Rigidbody rigidbody = prefab.GetComponent <Rigidbody>();
float cur_str = PlayerController.thePlayerData.m_fCurStr;
Vector3 pos = (SceneObject.Instance.m_ObjLand.transform.position - prefab.transform.position);
if (rigidbody != null)
{
if (cur_str >= GameData.stint)
{
Vector3 mousePosition = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, Camera.main.WorldToScreenPoint(SceneObject.Instance.m_ObjLand.transform.position).z));
GameSystem.Instance.Lauch(tmpData, rigidbody, mousePosition);
}
else
{
Vector3 mousePosition = Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, Camera.main.WorldToScreenPoint(SceneObject.Instance.m_ObjLand.transform.position).z));
mousePosition.z = pos.z * cur_str;
GameSystem.Instance.Lauch(tmpData, rigidbody, mousePosition);
}
}
prefab = null;
}
private Vector3 CalculateLunchVelocity(GameData.ThrowData throwData, Rigidbody rigidbody, Vector3 target)
{
float displacementY = target.y - rigidbody.position.y;
Vector3 displacementXZ = new Vector3(target.x - rigidbody.position.x, 0, target.z - rigidbody.position.z);
float time = Mathf.Sqrt(Mathf.Abs(-2 * throwData.h / throwData.gravity)) + Mathf.Sqrt(Mathf.Abs(2 * (displacementY - throwData.h) / throwData.gravity));
Vector3 velocityY = Vector3.up * Mathf.Sqrt(Mathf.Abs(-2 * throwData.gravity * throwData.h));
Vector3 velocityXZ = displacementXZ / time;
return(velocityXZ + velocityY * -Mathf.Sign(throwData.gravity));
}
//拋無線的計算公式
public void Lauch(GameData.ThrowData throwData, Rigidbody rigidbody, Vector3 target)
{
Physics.gravity = Vector3.up * throwData.gravity;
rigidbody.useGravity = true;
rigidbody.velocity = CalculateLunchVelocity(throwData, rigidbody, target);
}