public void Update(float elapsedSeconds)
{
switch (state)
{
case GameState.Ready:
totalElapsedSeconds += elapsedSeconds;
if (totalElapsedSeconds > 2)
{
SetState(GameState.Playing);
}
break;
case GameState.Playing:
switch (substate)
{
case GameSubstate.Normal:
totalElapsedSeconds += elapsedSeconds;
if (player != null)
{
player.Update(elapsedSeconds);
}
if (aiPlayer != null)
{
aiPlayer.Update(elapsedSeconds);
}
if (food != null)
{
food.Update(elapsedSeconds);
}
if (player.IsCollideWith(food))
{
isPlayerWin = true;
SetState(GameState.Finished);
}
else if (aiPlayer != null && aiPlayer.IsCollideWith(food))
{
isPlayerWin = false;
SetState(GameState.Finished);
}
if (totalElapsedSeconds > 15.0f)
{
Random rand = new Random();
if (rand.Next(0, 100) % 7 == 0)
{
Rotate();
totalElapsedSeconds = 0;
}
}
break;
case GameSubstate.Rotating:
angle += 5;
if (angle >= targetAngle)
{
angle = targetAngle;
substate = GameSubstate.Normal;
}
double rad = angle * Math.PI / 180;
foreach (UIWall wall in uiWalls)
{
wall.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
}
uiPlayer.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
uiAIPlayer.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
uiFood.Rotate(centerPoint, rad, targetAngle, angle >= targetAngle);
if (substate == GameSubstate.Normal)
{
RotateAll();
}
break;
}
break;
case GameState.Paused:
break;
case GameState.Finished:
totalElapsedSeconds += elapsedSeconds;
break;
}
}