private static AxisAlignedBoundingBox GetEnclosingBoundingBox(ModelInstance modelInstance)
{
var boundingBox = default(AxisAlignedBoundingBox);
var first = true;
foreach (var subObject in modelInstance.Model.SubObjects)
{
var transformedBoundingBox = AxisAlignedBoundingBox.Transform(subObject.RenderObject.BoundingBox,
modelInstance.ModelBoneInstances[subObject.Bone.Index].Matrix);
if (first)
{
boundingBox = transformedBoundingBox;
first = false;
}
else
{
boundingBox = AxisAlignedBoundingBox.CreateMerged(
boundingBox,
transformedBoundingBox);
}
}
return(boundingBox);
}
public void CreateMerged(Vector3 firstMin, Vector3 firstMax, Vector3 secondMin, Vector3 secondMax, Vector3 expectedMin, Vector3 expectedMax)
{
var first = new AxisAlignedBoundingBox(firstMin, firstMax);
var second = new AxisAlignedBoundingBox(secondMin, secondMax);
var merged = AxisAlignedBoundingBox.CreateMerged(first, second);
Assert.Equal(expectedMin, merged.Min);
Assert.Equal(expectedMax, merged.Max);
}
