/// <summary>
/// Fires the rope projectile in the direction of transform.forward.
/// </summary>
private void ShootProjectile(SteamVR_Action_Boolean fromAction, SteamVR_Input_Sources fromSource)
{
// Only allow for projectiles to be fired if we're ready to fire
if (ropeProjectileState != RopeProjectileState.UNFIRED)
{
return;
}
ropeProjectileState = RopeProjectileState.FIRED;
elapsedFiredTime = 0f;
ropeProjectile.projectileCollider.enabled = true;
// Un-parent the projectile's transform
ropeProjectile.transform.parent = null;
ropeProjectile.transform.localScale = Vector3.one;
// Add force to the projectile
// Optional: Add the player's rb velocity too
ropeProjectile.rb.isKinematic = false;
ropeProjectile.rb.velocity = Vector3.zero;
ropeProjectile.rb.AddForce(transform.forward * maxProjectileDistance / projectileFireDuration, ForceMode.VelocityChange);
// Play SFX
audioSource.PlayOneShot(projectileFiredSFX);
}
public void OnProjectileConnected()
{
Rigidbody targetRB;
// Try to find a rigidbody in the gameobject we just collided with
targetRB = ropeProjectile.transform.parent.GetComponent <Rigidbody>();
if (targetRB != null)
{
ropeProjectileState = RopeProjectileState.ATTACHED;
ropeJointManager.AddJoint(targetRB, ropeProjectile.transform);
ropeProjectile.audioSource.PlayOneShot(projectileAttachedSFX);
}
else
{
// If that fails, try to find it in the parent(s)
targetRB = ropeProjectile.transform.parent.GetComponentInParent <Rigidbody>();
if (targetRB != null)
{
ropeProjectileState = RopeProjectileState.ATTACHED;
ropeJointManager.AddJoint(targetRB, ropeProjectile.transform);
ropeProjectile.audioSource.PlayOneShot(projectileAttachedSFX);
}
else
{
// No joint created, play a different SFX
audioSource.PlayOneShot(projectileCollisionSFX);
}
}
}
private void FixedUpdate()
{
if (ropeProjectileState == RopeProjectileState.FIRED)
{
// If the projectile has been fired for long enough, then start lerping it back to this transform
elapsedFiredTime += Time.fixedDeltaTime;
if (elapsedFiredTime > projectileFireDuration)
{
ReturnProjectile();
}
}
if (ropeProjectileState == RopeProjectileState.RETURNING)
{
// Lerp the projectile back to the transform
elapsedReturnTime += Time.fixedDeltaTime;
ropeProjectile.rb.MovePosition(Vector3.Lerp(initialReturnPosition, transform.position, elapsedReturnTime / projectileReturnDuration));
ropeProjectile.rb.MoveRotation(Quaternion.Lerp(initialReturnRotation, transform.rotation, elapsedReturnTime / projectileReturnDuration));
// Return to the "Unfired" state
if (elapsedReturnTime >= projectileReturnDuration)
{
ropeProjectileState = RopeProjectileState.UNFIRED;
// Reset projectile transform
ropeProjectile.transform.parent = transform;
ropeProjectile.transform.position = transform.position;
ropeProjectile.transform.rotation = transform.rotation;
}
}
}
public void ReturnProjectileImmediate()
{
ropeProjectile.Detach();
ropeJointManager.DestroyJoint();
ropeProjectileState = RopeProjectileState.UNFIRED;
// Reset projectile transform
ropeProjectile.transform.parent = transform;
ropeProjectile.transform.position = transform.position;
ropeProjectile.transform.rotation = transform.rotation;
}
/// <summary>
/// Lerps the rope projectile from it's current position back to transform.position
/// </summary>
private void DoReturnProjectile(SteamVR_Action_Boolean fromAction, SteamVR_Input_Sources fromSource)
{
if (ropeProjectileState == RopeProjectileState.FIRED || ropeProjectileState == RopeProjectileState.ATTACHED)
{
ropeProjectileState = RopeProjectileState.RETURNING;
// Set the initial return time proportional to how far away the projectile is, compared to the max distance
elapsedReturnTime = (1 - (ropeProjectile.transform.position - transform.position).magnitude / maxProjectileDistance)
* projectileReturnDuration;
initialReturnPosition = ropeProjectile.transform.position;
initialReturnRotation = ropeProjectile.transform.rotation;
ropeProjectile.Detach();
ropeJointManager.DestroyJoint();
}
}
