/// <summary>
/// Peek at a temporary native instance or the current (if initialized).
/// </summary>
/// <param name="callback">Callback with temporary or already initialized native instance. Callback signature ( nativeRb, isTemporary ).</param>
/// <remarks>
/// Always assume the native instance to be temporary. It's never safe to cache an instance to the native object.
/// </remarks>
public void PeekTemporaryNativeOrGetNative(Action <agx.RigidBody, bool> callback)
{
if (callback == null)
{
return;
}
if (m_rb != null)
{
callback(m_rb, false);
}
else
{
Shape[] shapes = GetComponentsInChildren <Shape>();
using (agx.RigidBody rb = new agx.RigidBody()) {
foreach (Shape shape in shapes)
{
agxCollide.Shape nativeShape = shape.CreateTemporaryNative();
if (nativeShape != null)
{
agxCollide.Geometry geometry = new agxCollide.Geometry(nativeShape);
geometry.setEnable(shape.IsEnabled);
if (shape.Material != null)
{
geometry.setMaterial(shape.Material.CreateTemporaryNative());
}
rb.add(geometry, shape.GetNativeRigidBodyOffset(this));
}
}
// For center of mass position/rotation to be correct we have to
// synchronize the native transform given current game object transform.
SyncNativeTransform(rb);
callback(rb, true);
// Hitting "Update" (mass or inertia in the Inspector) several times
// will crash agx if we don't remove the geometries and shapes.
while (rb.getGeometries().Count > 0)
{
agxCollide.Geometry geometry = rb.getGeometries()[0].get();
if (geometry.getShapes().Count > 0)
{
geometry.remove(geometry.getShapes()[0].get());
}
rb.remove(geometry);
}
}
}
}