public void AwakeFromNib()
{
//Create the root layer
rootLayer = CALayer.Layer;
//Set the root layer's background color to black
rootLayer.BackgroundColor = CGColor.GetConstantColor(CGColor.kCGColorBlack);
//Create the fire emitter layer
fireEmitter = CAEmitterLayer.Layer;
fireEmitter.EmitterPosition = new CGPoint(225, 50);
fireEmitter.EmitterMode = CAEmitterLayer.kCAEmitterLayerOutline;
fireEmitter.EmitterShape = CAEmitterLayer.kCAEmitterLayerLine;
fireEmitter.RenderMode = CAEmitterLayer.kCAEmitterLayerAdditive;
fireEmitter.EmitterSize = new CGSize(0, 0);
//Create the smoke emitter layer
smokeEmitter = CAEmitterLayer.Layer;
smokeEmitter.EmitterPosition = new CGPoint(225, 50);
smokeEmitter.EmitterMode = CAEmitterLayer.kCAEmitterLayerPoints;
//Create the fire emitter cell
CAEmitterCell fire = CAEmitterCell.EmitterCell;
fire.EmissionLongitude = (float) Math.PI;
fire.BirthRate = 0;
fire.Velocity = 80;
fire.VelocityRange = 30;
fire.EmissionRange = 1.1f;
fire.YAcceleration = 200;
fire.ScaleSpeed = 0.3f;
IntPtr color = CGColor.CreateGenericRGB(0.8f, 0.4f, 0.2f, 0.10f);
fire.Color = color;
CGColor.Release(color);
fire.ContentsPointer = CGImageNamed("fire.png");
//Name the cell so that it can be animated later using keypaths
fire.Name = "fire";
//Add the fire emitter cell to the fire emitter layer
fireEmitter.EmitterCells = NSArray.ArrayWithObject(fire);
//Create the smoke emitter cell
CAEmitterCell smoke = CAEmitterCell.EmitterCell;
smoke.BirthRate = 11;
smoke.EmissionLongitude = (float)(Math.PI / 2);
smoke.Lifetime = 0;
smoke.Velocity = 40;
smoke.VelocityRange = 20;
smoke.EmissionRange = (float)(Math.PI / 4);
smoke.Spin = 1;
smoke.SpinRange = 6;
smoke.YAcceleration = 160;
smoke.ContentsPointer = CGImageNamed("smoke.png");
smoke.Scale = 0.1f;
smoke.AlphaSpeed = -0.12f;
smoke.ScaleSpeed = 0.7f;
//Name the cell so that it can be animated later using keypaths
smoke.Name = "smoke";
//Add the smoke emitter cell to the smoke emitter layer
smokeEmitter.EmitterCells = NSArray.ArrayWithObject(smoke);
//Add the two emitter layers to the root layer
rootLayer.AddSublayer(smokeEmitter);
rootLayer.AddSublayer(fireEmitter);
//Set the view's layer to the base layer
view.Layer = rootLayer;
view.WantsLayer = true;
//Set the fire simulation to reflect the initial slider position
this.SlidersChanged(this);
//Force the view to update
view.NeedsDisplay = true;
}
