void SetCameraConstraints(SKCameraNode camera, SKSpriteNode sprite)
{
// Constrain the camera to the player
var zeroRange = new SKRange(0, 0);
SKConstraint playerConstraint = SKConstraint.CreateDistance(zeroRange, sprite);
var scaledSize = new CGSize(Size.Width * camera.XScale, Size.Height * camera.YScale);
var contentRect = mapNode.CalculateAccumulatedFrame();
contentRect = new CGRect(contentRect.X, contentRect.Y, contentRect.Width, contentRect.Height + 300);
nfloat xInset = (nfloat)Math.Min((scaledSize.Width / 2.0) + 10, contentRect.Width / 2.0);
nfloat yInset = (nfloat)Math.Min((scaledSize.Height / 2.0) + 10, contentRect.Height / 2.0);
var insetRect = contentRect.Inset(xInset, yInset);
var xRange = new SKRange(insetRect.GetMinX(), insetRect.GetMaxX());
var yRange = new SKRange(insetRect.GetMinY(), insetRect.GetMaxY());
var levelEdgeConstraint = SKConstraint.CreateRestriction(xRange, yRange);
levelEdgeConstraint.ReferenceNode = this;
camera.Constraints = new[] { playerConstraint, levelEdgeConstraint };
}
