private void InitializeParticles(Explosion explosion)
{
var lifeTime = RandomNumber.Get(LifetimeRange);
for (var i = 0; i < explosion.Particles.Length; i++)
{
var angleOfVelocity = i / Math.PI * 2;
var direction = new Vector2f(
(float)Math.Cos(angleOfVelocity),
(float)Math.Sin(angleOfVelocity)
);
var variance = RandomNumber.Get(-(int)explosion.Strength, 30);
var velocity = direction * (explosion.Strength + variance);
var color = _colorRange[RandomNumber.Get(0, _colorRange.Count)];
explosion.Particles[i] = new Particle
{
R = color.R,
G = color.G,
B = color.B,
Position = explosion.Position,
Velocity = velocity,
TotalLifetime = lifeTime,
Mass = RandomNumber.GetFloat(.75f, 1.25f)
};
}
}
//**********************************************************
//** methods:
//**********************************************************
public void SpawnOnEarthSurface()
{
var angle = MathUtils.DegreeToRadian(RandomNumber.Get(0, 360));
var dir = new Vector2f(
(float)Math.Cos(angle),
(float)Math.Sin(angle)
);
var position = _game.Earth.Position + dir * (_game.Earth.Radius + 10);
// Just to make it more interesting.
var randomAngle = angle + RandomNumber.GetFloat(-1, 1) * Math.PI * .13f;
var randomDir = new Vector2f(
(float)Math.Cos(randomAngle),
(float)Math.Sin(randomAngle)
);
var rocket = new Rocket(RandomNumber.Get(StrengthRange))
{
Position = position,
Direction = randomDir,
Mass = RandomNumber.Get(MassRange),
Fuel = RandomNumber.Get(FuelRange),
TotalLifetime = RandomNumber.Get(TotalLifeTime)
};
_game.AddRocket(rocket);
}
/// <summary>
/// Starts the time marker in seconds.
/// </summary>
public void Start()
{
if (validRandomLimitWaitTime && !isInitedChronWaitTime)
{
Reset();
sortedWaitTime = RandomNumber.GetFloat(minNumber, maxNumber);
InitChronWaitTime(sortedWaitTime);
}
else
{
chronometer = Stopwatch.StartNew();
chronometerWasInitiated = true;
isReseted = false;
IsStopped = false;
sortedWaitTime = -1;
}
}
public static void Main()
{
Console.WriteLine("Random float:");
Console.WriteLine(RandomNumber.GetFloat());
Console.WriteLine(RandomNumber.GetFloat());
Console.WriteLine(RandomNumber.GetFloat());
Console.WriteLine("Random int, 0 to 200:");
Console.WriteLine(RandomNumber.GetInt(200));
Console.WriteLine(RandomNumber.GetInt(200));
Console.WriteLine(RandomNumber.GetInt(200));
Console.WriteLine("Random int, 100 to 160:");
Console.WriteLine(RandomNumber.GetInt(100, 160));
Console.WriteLine(RandomNumber.GetInt(100, 160));
Console.WriteLine(RandomNumber.GetInt(100, 160));
}
public void SetRandomTimeGoal(int minNumber, int maxNumber)
{
SetTimeGoal(RandomNumber.GetFloat(minNumber, maxNumber));
}
