private async Task AnimateNode(SCNNode node)
{
var sourcePosition = new SCNVector3(node.PresentationNode.Position.X, node.PresentationNode.Position.Y, node.PresentationNode.Position.Z);
var targetPosition = new SCNVector3(node.PresentationNode.Position.X - 0.2f, node.PresentationNode.Position.Y - 0.2f, node.PresentationNode.Position.Z - 0.2f);
for (int i = 0; i < 3; i++)
{
SCNAction toTarget = SCNAction.MoveTo(targetPosition, 0.2f);
node.RunAction(toTarget);
await Task.Delay(200);
SCNAction toSource = SCNAction.MoveTo(sourcePosition, 0.2f);
node.RunAction(toSource);
await Task.Delay(200);
}
}
public void CollectBanana(SCNNode banana)
{
// Flyoff the banana to the screen space position score label.
// Don't increment score until the banana hits the score label.
// ignore collisions
banana.PhysicsBody = null;
BananasCollected++;
int variance = 60;
nfloat duration = 0.25f;
nfloat apexY = worldSpaceLabelScorePosition.Y * 0.8f + (new Random().Next(0, variance) - variance / 2);
worldSpaceLabelScorePosition.Z = banana.Position.Z;
var apex = new SCNVector3(banana.Position.X + 10 + (new Random().Next(0, variance) - variance / 2), apexY, banana.Position.Z);
SCNAction startFlyOff = SCNAction.MoveTo(apex, duration);
startFlyOff.TimingMode = SCNActionTimingMode.EaseOut;
SCNAction endFlyOff = SCNAction.CustomAction(duration, new SCNActionNodeWithElapsedTimeHandler((node, elapsedTime) => {
nfloat t = elapsedTime / duration;
var v = new SCNVector3(
apex.X + ((worldSpaceLabelScorePosition.X - apex.X) * t),
apex.Y + ((worldSpaceLabelScorePosition.Y - apex.Y) * t),
apex.X + ((worldSpaceLabelScorePosition.Z - apex.Z) * t));
node.Position = v;
}));
endFlyOff.TimingMode = SCNActionTimingMode.EaseInEaseOut;
SCNAction flyoffSequence = SCNAction.Sequence(new SCNAction[] { startFlyOff, endFlyOff });
banana.RunAction(flyoffSequence, () => {
Bananas.Remove(banana);
banana.RemoveFromParentNode();
// Add to score.
Score++;
GameSimulation.Sim.PlaySound("deposit.caf");
// Game Over
if (Bananas.Count == 0)
{
DoGameOver();
}
});
}
public void MoveShip(int duration)
{
var xs = new[] { MinX, MaxX };
var ys = new[] { MinY, MaxY };
var zs = new[] { MinZ, MaxZ };
var pos = ShipNode.Position;
while (pos == ShipNode.Position)
{
pos = new SCNVector3(xs.Random(), ys.Random(), zs.Random());
}
var moveAction = SCNAction.MoveTo(pos, duration - 1);
moveAction.TimingMode = SCNActionTimingMode.EaseInEaseOut;
var rotateAction = SCNAction.RotateBy((float)Math.PI / 2, new SCNVector3(0, 0, 1), duration / 4.0);
ShipNode.Look(pos);
ShipNode.RunAction(moveAction);
ShipNode.RunAction(rotateAction);
}
public static void MoveTo(this SCNNode node, SCNNode target, double timeInSeconds, SCNActionTimingMode timingMode = SCNActionTimingMode.EaseOut) => node.RunAction(SCNAction.MoveTo(new SCNVector3(target.Position.X, target.Position.Y, target.Position.Z), timeInSeconds).Ease(timingMode));
public void CollectLargeBanana(SCNNode largeBanana)
{
// When the player hits a large banana, explode it into smaller bananas.
// We explode into a predefined pattern: square, diamond, letterA, letterB
// ignore collisions
largeBanana.PhysicsBody = null;
CoinsCollected++;
LargeBananas.Remove(largeBanana);
largeBanana.RemoveAllParticleSystems();
largeBanana.RemoveFromParentNode();
// Add to score.
Score += 100;
var square = new string[] {
"1", "1", "1", "1", "1",
"1", "1", "1", "1", "1",
"1", "1", "1", "1", "1",
"1", "1", "1", "1", "1",
"1", "1", "1", "1", "1"
};
var diamond = new string[] {
"0", "0", "1", "0", "0",
"0", "1", "1", "1", "0",
"1", "1", "1", "1", "1",
"0", "1", "1", "1", "0",
"0", "0", "1", "0", "0"
};
var letterA = new string[] {
"1", "0", "0", "1", "0",
"1", "0", "0", "1", "0",
"1", "1", "1", "1", "0",
"1", "0", "0", "1", "0",
"0", "1", "1", "0", "0"
};
var letterB = new string[] {
"1", "1", "0", "0", "0",
"1", "0", "1", "0", "0",
"1", "1", "0", "0", "0",
"1", "0", "1", "0", "0",
"1", "1", "0", "0", "0"
};
var choices = new List <string[]> {
square, diamond, letterA, letterB
};
float vertSpacing = 40f;
float spacing = 0.0075f;
string[] choice = choices [new Random().Next(0, choices.Count)];
for (int y = 0; y < 5; y++)
{
for (int x = 0; x < 5; x++)
{
int place = Int32.Parse(choice [(y * 5) + x]);
if (place != 1)
{
continue;
}
SCNNode banana = CreateBanana();
RootNode.AddChildNode(banana);
banana.Position = largeBanana.Position;
banana.PhysicsBody.CategoryBitMask = GameCollisionCategory.NoCollide;
banana.PhysicsBody.CollisionBitMask = GameCollisionCategory.Ground;
SCNVector3 endPoint = LocationAlongPath(TimeAlongPath + spacing * (x + 1));
endPoint.Y += (vertSpacing * (y + 1));
SCNAction flyoff = SCNAction.MoveTo(endPoint, MathUtils.RandomPercent() * 0.25f);
flyoff.TimingMode = SCNActionTimingMode.EaseInEaseOut;
banana.RunAction(flyoff, () => {
banana.PhysicsBody.CategoryBitMask = GameCollisionCategory.Banana;
banana.PhysicsBody.CollisionBitMask = GameCollisionCategory.Ground | GameCollisionCategory.Player;
GameSimulation.Sim.PlaySound("deposit.caf");
});
Bananas.Add(banana);
}
}
}
