// Update is called once per frame
void Update()
{
if (theBall == null)
{
//hint: if your game UI never displays, you might want to check this condition somehow...
return;
}
switch (theGameState)
{
case GameStates.GS_INITIALIZATION:
//calculate information about the hill
HILL_HALF_WIDTH = HILL_UNSCALED_HALF_WIDTH * theHill.transform.localScale.x;
Restart(); //needed to avoid a race condition with the ball's Start() function
break;
case GameStates.GS_USER_INPUT:
//increase or decreate the cannon's elevation by a rate of 10 degrees per second
if (Input.GetKey(KeyCode.UpArrow))
{
theCannon.localElevationAngle = Mathf.Min(90.0f, theCannon.localElevationAngle + 10.0f * Time.deltaTime);
}
if (Input.GetKey(KeyCode.DownArrow))
{
theCannon.localElevationAngle = Mathf.Max(0.0f, theCannon.localElevationAngle - 10.0f * Time.deltaTime);
}
//increase or decreate the cannon's angle by a rate of 10 degrees per second
if (Input.GetKey(KeyCode.RightArrow))
{
theCannon.localRotationAngle = Mathf.Min(60.0f, theCannon.localRotationAngle + 10.0f * Time.deltaTime);
}
if (Input.GetKey(KeyCode.LeftArrow))
{
theCannon.localRotationAngle = Mathf.Max(-60.0f, theCannon.localRotationAngle - 10.0f * Time.deltaTime);
}
theBall.SimulateFlight(theCannon);
//check for game start
if (Input.GetKeyDown(KeyCode.Space))
{
Vector3 spawnPos = new Vector3(0, 0, 0);
theCannon.GetSpawnBallPosition(out spawnPos);
theBall.ApplyMovement(spawnPos);
theBall.LaunchBall(theCannon.localElevationAngle, theCannon.localRotationAngle);
theGameState = GameStates.GS_GAME_IN_PROGRESS;
}
break;
case GameStates.GS_GAME_IN_PROGRESS:
break;
case GameStates.GS_ENDGAME_VICTORY:
//check for new game
if (Input.GetKeyDown(KeyCode.Space))
{
Restart();
}
break;
case GameStates.GS_ENDGAME_DEFEAT:
//check for new game
if (Input.GetKeyDown(KeyCode.Space))
{
Restart();
}
break;
}
}