private IEnumerator ShootRoutine(float vv)
{
Vector2 startPos = transform.position + new Vector3(vv, 0, 0) + (transform.up * 0.8f);
// Fire a shell
TankShell shell = TankShell.Shoot(bulletObject, startPos, transform.up);
// Wait for the shell to be destroyed
while (shell.Step() == false)
{
// Wait for next frame
yield return(null);
}
// Destroy the shell
shell.Destroy();
}
/// <summary>
/// Create a tank shell using the specified values.
/// </summary>
/// <param name="prefab">The shell prefab to instantiate</param>
/// <param name="startPosition">The start position of the shell</param>
/// <param name="heading">The direction vector that the shell is heading in</param>
/// <returns>An instance of <see cref="TankShell"/></returns>
public static TankShell Shoot(GameObject prefab, Vector2 startPosition, Vector2 heading)
{
// Create a shell
GameObject shell = Instantiate(prefab, startPosition, Quaternion.identity) as GameObject;
// Get the script
TankShell script = shell.GetComponent <TankShell>();
// Check for error
if (script == null)
{
Destroy(shell);
return(null);
}
// Store the heading
script.startPosition = startPosition;
script.heading = heading;
return(script);
}