/// <summary>
/// Fits to centered cube.
/// </summary>
public void FitToCenteredCube(float cubeSideLength, FitToCuboidMode mode, SpacialOriginLocation fitOrigin)
{
this.FitToCenteredCuboid(cubeSideLength, cubeSideLength, cubeSideLength, mode, fitOrigin);
}
/// <summary>
/// Fits to centered cube.
/// </summary>
public void FitToCenteredCuboid(float cubeSideLengthX, float cubeSideLengthY, float cubeSideLengthZ, FitToCuboidMode fitMode, SpacialOriginLocation fitOrigin)
{
//Get whole bounding box
var boundingBox = this.GenerateBoundingBox();
var boundingBoxSize = boundingBox.GetSize();
if (boundingBox.IsEmpty())
{
return;
}
if (boundingBoxSize.X <= 0f)
{
return;
}
if (boundingBoxSize.Y <= 0f)
{
return;
}
if (boundingBoxSize.Z <= 0f)
{
return;
}
var targetCornerALocation = new Vector3(
-boundingBoxSize.X / 2f,
-boundingBoxSize.Y / 2f,
-boundingBoxSize.Z / 2f);
// Calculate resize factors
var resizeFactorX = cubeSideLengthX / boundingBoxSize.X;
var resizeFactorY = cubeSideLengthY / boundingBoxSize.Y;
var resizeFactorZ = cubeSideLengthZ / boundingBoxSize.Z;
if (fitMode == FitToCuboidMode.MaintainAspectRatio)
{
resizeFactorX = Math.Min(resizeFactorX, Math.Min(resizeFactorY, resizeFactorZ));
resizeFactorY = resizeFactorX;
resizeFactorZ = resizeFactorX;
}
targetCornerALocation.X = targetCornerALocation.X * resizeFactorX;
targetCornerALocation.Y = targetCornerALocation.Y * resizeFactorY;
targetCornerALocation.Z = targetCornerALocation.Z * resizeFactorZ;
switch (fitOrigin)
{
case SpacialOriginLocation.LowerCenter:
targetCornerALocation.Y = 0f;
break;
}
// Bring the geometry to origin based location and then scale it
this.UpdateVerticesUsingTranslation(Vector3.Negate(boundingBox.CornerA));
this.UpdateVerticesUsingTranslation(actPosition => new Vector3(
actPosition.X * resizeFactorX,
actPosition.Y * resizeFactorY,
actPosition.Z * resizeFactorZ));
this.UpdateVerticesUsingTranslation(targetCornerALocation);
}
/// <summary>
/// Fits to centered cube.
/// </summary>
public void FitToCenteredCube(float cubeSideLength, FitToCuboidMode mode)
{
FitToCenteredCuboid(cubeSideLength, cubeSideLength, cubeSideLength, mode, SpacialOriginLocation.Center);
}
