void RemoveLayers()
{
if (replicatorLayer != null)
{
replicatorLayer.RemoveAllAnimations();
replicatorLayer.RemoveFromSuperLayer();
replicatorLayer = null;
}
}
void SetupLayers()
{
if (view == null || view.Bounds.Size.IsEmpty)
{
return;
}
RemoveLayers();
// replicator layer
replicatorLayer = new CAReplicatorLayer();
replicatorLayer.Frame = view.Bounds;
replicatorLayer.InstanceCount = finCount;
replicatorLayer.PreservesDepth = false;
replicatorLayer.InstanceColor = color.CGColor;
var angle = (nfloat)(Math.PI * 2.0 / (double)finCount);
replicatorLayer.InstanceTransform = CATransform3D.MakeRotation(angle, 0, 0, 1);
if (view.Layer == null)
{
view.Layer = new CALayer();
}
view.Layer.AddSublayer(replicatorLayer);
view.WantsLayer = true;
// instance layer
var layerHeight = Math.Min(view.Bounds.Width, view.Bounds.Height) * finSizeMultiplier;
var layerWidth = layerHeight * finAspectRatio;
var midX = view.Bounds.GetMidX() - layerWidth / 2.0;
var instanceLayer = new CALayer();
instanceLayer.Frame = new CGRect(midX, 0, layerWidth, layerHeight);
instanceLayer.BackgroundColor = color.CGColor;
instanceLayer.CornerRadius = (nfloat)(layerWidth / 2.0);
instanceLayer.Bounds = new CGRect(CGPoint.Empty, new CGSize(layerWidth, layerHeight));
replicatorLayer.AddSublayer(instanceLayer);
// fade animation
var fadeAnimation = CABasicAnimation.FromKeyPath("opacity");
fadeAnimation.From = NSNumber.FromDouble(1.0);
fadeAnimation.To = NSNumber.FromDouble(0);
fadeAnimation.RepeatCount = float.MaxValue;
//set layer fade animation
instanceLayer.Opacity = 0;
fadeAnimation.Duration = revolutionDuration;
instanceLayer.AddAnimation(fadeAnimation, "FadeAnimation");
replicatorLayer.InstanceDelay = revolutionDuration / (double)finCount;
}
void SetupLayers()
{
if (view == null || view.Bounds.Size.IsEmpty)
{
return;
}
RemoveLayers();
var width = view.Bounds.Width;
var distance = width / 5.0f / (float)shapeCount;
// replicator layer
replicatorLayer = new CAReplicatorLayer();
replicatorLayer.Frame = new CGRect(0, 0, view.Bounds.Width * 2, view.Bounds.Height);
replicatorLayer.PreservesDepth = false;
replicatorLayer.InstanceCount = (nint)shapeCount;
replicatorLayer.InstanceTransform = CATransform3D.MakeTranslation(distance, 0, 0);
replicatorLayer.InstanceDelay = -0.06f;
if (view.Layer == null)
{
view.Layer = new CALayer();
}
view.Layer.AddSublayer(replicatorLayer);
view.WantsLayer = true;
// instance layer
var dotSize = view.Bounds.Height;
var instanceLayer = new CALayer();
instanceLayer.Frame = new CGRect(-(shapeCount * distance / 2.0f) - dotSize, 0, dotSize, dotSize);
instanceLayer.BackgroundColor = shapeColor.CGColor;
instanceLayer.Bounds = new CGRect(0, 0, dotSize, dotSize);
instanceLayer.CornerRadius = dotSize / 2.0f;
replicatorLayer.AddSublayer(instanceLayer);
var runAnimation = CABasicAnimation.FromKeyPath("transform.translation.x");
runAnimation.From = NSNumber.FromDouble(-2f * width);
runAnimation.To = NSNumber.FromDouble(3f * width);
runAnimation.Duration = duration;
runAnimation.RepeatCount = float.PositiveInfinity;
runAnimation.TimingFunction = CAMediaTimingFunction.FromControlPoints(0, 1.0f - easeFactor, 1, easeFactor);
instanceLayer.AddAnimation(runAnimation, "RunAnimation");
}
void SetupLayers()
{
if (view == null || view.Bounds.Size.IsEmpty)
{
return;
}
RemoveLayers();
var shear = new CGAffineTransform(1.0f, 0, shearFactor, 1.0f, 0.0f, 0.0f);
// replicator layer
replicatorLayer = new CAReplicatorLayer();
replicatorLayer.BackgroundColor = trackColor.CGColor;
replicatorLayer.Frame = view.Bounds;
replicatorLayer.InstanceCount = (nint)(1 + view.Bounds.Width / hatchSize);
replicatorLayer.PreservesDepth = false;
replicatorLayer.InstanceTransform = CATransform3D.MakeTranslation((nfloat)(hatchSize * 2.0), 0, 0);
if (view.Layer == null)
{
view.Layer = new CALayer();
}
view.Layer.AddSublayer(replicatorLayer);
view.WantsLayer = true;
// instance layer
var layerHeight = view.Bounds.Height;
var layerWidth = hatchSize;
var instanceLayer = new CALayer();
instanceLayer.Frame = new CGRect(0, 0, layerWidth, layerHeight);
instanceLayer.BackgroundColor = hatchColor.CGColor;
instanceLayer.Bounds = new CGRect(0, 0, layerWidth, layerHeight);
instanceLayer.Transform = CATransform3D.MakeFromAffine(shear);
replicatorLayer.AddSublayer(instanceLayer);
var runAnimation = CABasicAnimation.FromKeyPath("transform.translation.x");
runAnimation.From = NSNumber.FromDouble(-hatchSize);
runAnimation.To = NSNumber.FromDouble(hatchSize);
runAnimation.Duration = 0.5;
runAnimation.RepeatCount = float.PositiveInfinity;
instanceLayer.AddAnimation(runAnimation, "RunAnimation");
}