private void ScaleToPlane(ARPlaneAnchor planeAnchor)
{
// Determine if extent should be flipped (plane is 90 degrees rotated)
var planeXAxis = planeAnchor.Transform.Column0.Xyz;
var axisFlipped = Math.Abs(SCNVector3.Dot(planeXAxis, this.WorldRight)) < 0.5f;
// Flip dimensions if necessary
var planeExtent = planeAnchor.Extent;
if (axisFlipped)
{
planeExtent = new OpenTK.NVector3(planeExtent.Z, 0f, planeExtent.X);
}
// Scale board to the max extent that fits in the plane
var width = Math.Min(planeExtent.X, GameBoard.MaximumScale);
var depth = Math.Min(planeExtent.Z, width * this.AspectRatio);
width = depth / this.AspectRatio;
this.Scale = new SCNVector3(width, width, width);
// Adjust position of board within plane's bounds
var planeLocalExtent = new SCNVector3(width, 0f, depth);
if (axisFlipped)
{
planeLocalExtent = new SCNVector3(planeLocalExtent.Z, 0f, planeLocalExtent.X);
}
this.AdjustPosition(planeAnchor, planeLocalExtent);
}
public static SCNVector3 ToSCNVector3(this OpenTK.NVector3 self)
{
return(new SCNVector3(self.X, self.Y, self.Z));
}
/// <summary>
/// Converts an <see cref="OpenTK.NVector3"/> into a <see cref="Vector3"/>.
/// </summary>
/// <param name="glVector3">The vector to be converted</param>
/// <param name="waveVector">The converted vector</param>
internal static void ToWave(this OpenTK.NVector3 glVector3, out Vector3 waveVector)
{
waveVector.X = glVector3.X;
waveVector.Y = glVector3.Y;
waveVector.Z = glVector3.Z;
}
