///<summary>Handles periodically adding children to existing balls.</summary>
public static void SetupPeriodicChildSpawning(this Game game, double expectedPerBallPerSecond, int maxChildrenPerBall, int maxGeneration)
{
game.Balls.CurrentAndFutureItems().Subscribe(
ball => {
if (ball.Value.Generation > maxGeneration)
{
return;
}
// keep track of children
var curChildCount = 0;
var children = new PerishableCollection <Ball>();
children
.CurrentAndFutureItems()
.ObserveNonPerishedCount(completeWhenSourceCompletes: true)
.Subscribe(e => curChildCount = e, ball.Lifetime);
// spawn children periodically at random
game.StochasticRate(
expectedPerBallPerSecond,
ball.Lifetime,
() => {
if (curChildCount >= maxChildrenPerBall)
{
return;
}
var child = game.SpawnBall(parent: ball.Value);
game.Connectors.Add(new Connector {
Child = child, Parent = ball.Value
}, child.Life.Lifetime);
children.Add(child, child.Life.Lifetime);
});
},
game.Life);
}
private void SetupAndRunGame(Game game, bool initial)
{
// controls added to this collection should be displayed on the canvas until they perish
var controls = new PerishableCollection <UIElement>();
controls.CurrentAndFutureItems().Subscribe(
e => {
canvas.Children.Add(e.Value);
e.Lifetime.WhenDead(() => canvas.Children.Remove(e.Value));
},
game.Life);
// balls should move and bounce off borders
game.SetupMoveAndBounceBalls(
playArea: () => new Rect(0, 0, canvas.ActualWidth, canvas.ActualHeight));
// connected balls should be be gently tugged towards each other
game.SetupAttractBalls(
deadRadius: 50,
accellerationPerSecondChild: 10,
accellerationPerSecondParent: 5);
// balls should periodically spawn dependent children
game.SetupPeriodicChildSpawning(
expectedPerBallPerSecond: 0.2,
maxChildrenPerBall: 2,
maxGeneration: 5);
// balls should be drawn using ellipse controls and have death animations
game.SetupDrawBallsAsControls(
controls,
deathFadeOutDuration: 800.Milliseconds(),
deathFinalRadiusFactor: 3);
// ball connectors should be drawn using line controls and have cut and death animations
game.SetupDrawConnectorsAsControls(
controls,
deathFadeDuration: 800.Milliseconds(),
deathFinalThicknessFactor: 6,
propagateBangColor: Colors.Green,
propagateBangDuration: 400.Milliseconds(),
propagateBangRotationsPerSecond: 3,
propagateBangMaxRadius: 10,
cutBangColor: Colors.Red,
cutBangDuration: 400.Milliseconds(),
cutBangMaxRadius: 15);
// connectors that touch the cursor should die
SetupMouseCutter(game, controls);
// text displays of game state should track that state
if (!initial)
{
SetupEnergyAndTime(
game,
energyLossForCutting: 2.5,
energyGainPerConnectorBroken: 1);
}
// there should be a few root balls to start with
foreach (var repeat in 5.Range())
{
game.SpawnBall(parent: new Ball {
Pos = new Point(game.Rng.NextDouble() * canvas.ActualWidth, game.Rng.NextDouble() * canvas.ActualHeight),
Radius = 10,
Life = new LifetimeSource(),
Hue = game.Rng.NextDouble() * 3
});
}
// run the game loop until the game is over
game.Loop().ContinueWith(e => {
// exceptions?
});
}
private void SetupAndRunGame(Game game, bool initial) {
// controls added to this collection should be displayed on the canvas until they perish
var controls = new PerishableCollection<UIElement>();
controls.CurrentAndFutureItems().Subscribe(
e => {
canvas.Children.Add(e.Value);
e.Lifetime.WhenDead(() => canvas.Children.Remove(e.Value));
},
game.Life);
// balls should move and bounce off borders
game.SetupMoveAndBounceBalls(
playArea: () => new Rect(0, 0, canvas.ActualWidth, canvas.ActualHeight));
// connected balls should be be gently tugged towards each other
game.SetupAttractBalls(
deadRadius: 50,
accellerationPerSecondChild: 10,
accellerationPerSecondParent: 5);
// balls should periodically spawn dependent children
game.SetupPeriodicChildSpawning(
expectedPerBallPerSecond: 0.2,
maxChildrenPerBall: 2,
maxGeneration: 5);
// balls should be drawn using ellipse controls and have death animations
game.SetupDrawBallsAsControls(
controls,
deathFadeOutDuration: 800.Milliseconds(),
deathFinalRadiusFactor: 3);
// ball connectors should be drawn using line controls and have cut and death animations
game.SetupDrawConnectorsAsControls(
controls,
deathFadeDuration: 800.Milliseconds(),
deathFinalThicknessFactor: 6,
propagateBangColor: Colors.Green,
propagateBangDuration: 400.Milliseconds(),
propagateBangRotationsPerSecond: 3,
propagateBangMaxRadius: 10,
cutBangColor: Colors.Red,
cutBangDuration: 400.Milliseconds(),
cutBangMaxRadius: 15);
// connectors that touch the cursor should die
SetupMouseCutter(game, controls);
// text displays of game state should track that state
if (!initial) SetupEnergyAndTime(
game,
energyLossForCutting: 2.5,
energyGainPerConnectorBroken: 1);
// there should be a few root balls to start with
foreach (var repeat in 5.Range()) {
game.SpawnBall(parent: new Ball {
Pos = new Point(game.Rng.NextDouble()*canvas.ActualWidth, game.Rng.NextDouble()*canvas.ActualHeight),
Radius = 10,
Life = new LifetimeSource(),
Hue = game.Rng.NextDouble()*3
});
}
// run the game loop until the game is over
game.Loop().ContinueWith(e => {
// exceptions?
});
}