// Grab the object
void Attach(VRTelekinesisObject obj)
{
if (!m_IsTelekinesising)
{
// Kill the line/reticle while telekinesising
if (m_Line != null)
{
m_Line.enabled = false;
}
m_Reticle.GetComponentInChildren <MeshRenderer>().enabled = false;
// Record that we're actively controlling the object.
m_IsTelekinesising = true;
// Update the active object to the one we clicked on.
m_ActiveObject = obj;
// Create a game object to hold all of the Magic Beam particles
m_ParticleHolder = new GameObject();
m_ParticleHolder.transform.parent = transform;
for (int i = 0; i < m_PathParticleCount; i++)
{
GameObject go = Instantiate(m_PathParticle);
go.transform.parent = m_ParticleHolder.transform;
}
// Enable each particle
ParticleSetEnabled(true);
// Get the object's rigid body
Rigidbody rigidBody = m_ActiveObject.gameObject.GetComponent <Rigidbody>();
// Remember it's drag/gravity values for restoration later.
m_InitialDrag = rigidBody.drag;
m_InitialAngularDrag = rigidBody.angularDrag;
m_OriginalGravity = rigidBody.useGravity;
// Set Angular Drag to huge amount, making the object initially stationary.
rigidBody.angularDrag = float.MaxValue;
// Disable gravity so we don't have to fight it while moving the object through the air.
rigidBody.useGravity = false;
// Set collision detection to continuous to avoid going through other objects.
rigidBody.collisionDetectionMode = CollisionDetectionMode.Continuous;
// Record the initial distance between the user and the object grabbed.
m_fDistance = Vector3.Distance(m_ActiveObject.transform.position, transform.position);
// Notify subscribers of the new object.
if (OnAttach != null)
{
OnAttach(m_ActiveObject);
}
}
}
// Drop the object.
void Detach()
{
if (m_IsTelekinesising)
{
// Enable the line while not telekinesising
if (m_Line != null)
{
m_Line.enabled = true;
}
m_Reticle.GetComponentInChildren <MeshRenderer>().enabled = true;
// Record that we're done.
m_IsTelekinesising = false;
// Restore all of the rigidbody values (as recorded in Attach())
Rigidbody rigidBody = m_ActiveObject.gameObject.GetComponent <Rigidbody>();
rigidBody.drag = m_InitialDrag;
rigidBody.angularDrag = m_InitialAngularDrag;
rigidBody.useGravity = m_OriginalGravity;
rigidBody.collisionDetectionMode = CollisionDetectionMode.Discrete;
m_fDistance = 0f;
// Add force to allow enhanced "throw" feel.
rigidBody.AddForce(m_DropVel.x * m_ThrowForce, m_DropVel.y * m_ThrowForce, m_DropVel.z * m_ThrowForce, ForceMode.Impulse);
// Disable all of the particles and destroy their parent.
ParticleSetEnabled(false);
Destroy(m_ParticleHolder);
// Notify subscribers of the drop
if (OnDetach != null)
{
OnDetach(m_ActiveObject);
}
// Clear Active Telekinesis Object reference
m_ActiveObject = null;
}
}
