/// <summary>
/// Create ball randomly. Used in spawning in menu
/// </summary>
/// <returns></returns>
public static List <Ball> CreateRandomBalls()
{
List <Ball> balls = new List <Ball>();
int numOfBall = RandomMath.RandomBetween(1, 4); // Random spawn 1-3 balls
var ballSize = RandomMath.RandomEnum <BallSize>();
var ballStrength = RandomMath.RandomEnum <BallStrength>();
foreach (int i in Enumerable.Range(1, numOfBall))
{
Vector2 position = new Vector2()
{
X = RandomMath.RandomBetween(0, GlobalData.Screen.Width - Ball.RadiusDict[ballSize] * 2),
Y = RandomMath.RandomBetween(0, GlobalData.Screen.Height - Ball.RadiusDict[ballSize] * 2),
};
Ball ball = new Ball(EntryPoint.Game.Scene, position);
ball.Size = ballSize;
ball.Strength = ballStrength;
ball.Angle = RandomMath.RandomBetween(0, 360);
balls.Add(ball);
}
return(balls);
}
private void UpdateTimers()
{
Timer.Count.Update(deltaTime);
IncreaseBallVelocityTimer += deltaTime;
SpawnPowerUpTimer += deltaTime;
if (IncreaseBallVelocityTimer >= IncreaseBallVelocityInterval)
{
BallVelocity += 10;
Balls.ForEach(b => { b.BaseVelocity = BallVelocity; b.Velocity = BallVelocity; });
IncreaseBallVelocityTimer = 0;
}
if (SpawnPowerUpTimer >= SpawnPowerUpInterval)
{
var randPowerup = new PowerUp(this, RandomMath.RandomEnum <PowerUpType>());
var randPosition = new Vector2()
{
X = RandomMath.RandomBetween(0, GlobalData.Screen.Width - SpriteData.PackageWidth),
Y = 0 - SpriteData.PackageHeight,
};
Packages.AddIfNotNull(ModelFactory.CreatePowerUpPackage(randPowerup, randPosition));
SpawnPowerUpTimer = 0;
}
}
private PowerUpPackage SpawnPowerUpPackage()
{
// TODO: remove
//PowerUp pu = null;
//if (RandomMath.RandomBoolean())
// pu = new PowerUp(scene, PowerUpType.Magnetize);
//else
// pu = new PowerUp(scene, PowerUpType.Triple);
//return ModelFactory.CreatePowerUpPackage(pu, this.Position);
if (!RandomMath.RandomPercent(powerUpSpawnChance))
{
return(null);
}
PowerUp powerUp = null;
var randNum = RandomMath.RandomBetween(0, 100);
if (0 <= randNum && randNum < 30 && favoredPowerUp != PowerUpType.Nothing)
{
powerUp = new PowerUp(scene, favoredPowerUp);
}
else if (30 <= randNum && randNum < 50 && secondaryfavoredPowerUp != PowerUpType.Nothing)
{
powerUp = new PowerUp(scene, secondaryfavoredPowerUp);
}
else
{
powerUp = new PowerUp(scene, RandomMath.RandomEnum <PowerUpType>());
}
if (powerUp.PowerUpType == PowerUpType.Nothing)
{
return(null);
}
return(ModelFactory.CreatePowerUpPackage(powerUp, this.Position));
}