public static RotatableBounds GetLocalBound(GameObject gameObject, BoundsCreateOption option)
{
RotatableBounds rotatableBounds = new RotatableBounds();
bool isCenterSettedByTransform = false;
if (option == BoundsCreateOption.Transform || option == BoundsCreateOption.TransformAndMesh)
{
Transform[] transforms = gameObject.GetComponentsInChildren <Transform>();
rotatableBounds = new RotatableBounds(transforms[0].position, transforms[0].rotation);
isCenterSettedByTransform = true;
for (int i = 1; i < transforms.Length; i++)
{
rotatableBounds.Encapsulate(transforms[i].position);
}
}
if (option == BoundsCreateOption.Mesh || option == BoundsCreateOption.TransformAndMesh)
{
MeshFilter[] meshFilters = gameObject.GetComponentsInChildren <MeshFilter>();
if (!isCenterSettedByTransform)
{
if (meshFilters.Length == 0)
{
throw new BoundsCreationException("Object and it's childs not have MeshFilter component");
}
else
{
Vector3 boundsCenter = meshFilters[0].transform.TransformPoint(meshFilters[0].sharedMesh.bounds.center);
rotatableBounds = new RotatableBounds(boundsCenter, gameObject.transform.rotation);
}
}
for (int i = 0; i < meshFilters.Length; i++)
{
Bounds meshBounds = meshFilters[i].sharedMesh.bounds;
meshBounds.center = meshFilters[i].transform.TransformPoint(meshBounds.center);
meshBounds.size = Vector3.Scale(meshBounds.size, meshFilters[i].transform.lossyScale);
rotatableBounds.Encapsulate(new RotatableBounds(meshBounds, meshFilters[i].transform.rotation));
}
}
return(rotatableBounds);
}
public static Bounds GetGlobalBounds(GameObject gameObject, BoundsCreateOption option)
{
Bounds bounds = new Bounds();
bool isCenterSettedByTransform = false;
if (option == BoundsCreateOption.Transform || option == BoundsCreateOption.TransformAndMesh)
{
Transform[] transforms = gameObject.GetComponentsInChildren <Transform>();
bounds.center = transforms[0].position;
isCenterSettedByTransform = true;
for (int i = 1; i < transforms.Length; i++)
{
bounds.Encapsulate(transforms[i].position);
}
}
if (option == BoundsCreateOption.Mesh || option == BoundsCreateOption.TransformAndMesh)
{
MeshRenderer[] meshRenderers = gameObject.GetComponentsInChildren <MeshRenderer>();
if (!isCenterSettedByTransform)
{
if (meshRenderers.Length == 0)
{
throw new BoundsCreationException("Object and it's childs not have MeshFilter component");
}
else
{
bounds = meshRenderers[0].bounds;
}
}
for (int i = isCenterSettedByTransform ? 0 : 1; i < meshRenderers.Length; i++)
{
bounds.Encapsulate(meshRenderers[i].bounds);
}
}
return(bounds);
}
