IEnumerator TongueGrab(SCR_TongueTarget target)
{
grabbedOnTarget = true;
// Stop targeting
currentTarget = null;
ConfigurableJoint targetJoint = target.GetComponentInChildren <ConfigurableJoint>();
// Temporarily turn player towards target to set up correct joint anchor position
Quaternion playerStartingRotation = transform.rotation;
Quaternion targetRotation = Quaternion.LookRotation(new Vector3(target.transform.position.x, tongueTargetAnchor.position.y, target.transform.position.z) - tongueTargetAnchor.position);
transform.rotation = targetRotation;
targetJoint.transform.rotation = targetRotation;
// Connect player to target joint
targetJoint.connectedBody = rb;
// Set player's rotation back to where it was
transform.rotation = playerStartingRotation;
// get distance to grabbed object (this is used to determine if player is pulling on it)
float maxTargetDistance = Vector3.Distance(tongueTargetAnchor.position, targetJoint.transform.position);
// Disable normal movement
movement.overrideRotation = true;
movement.overrideJump = true;
float timeObjectPulled = 0;
while (holdingTongueButton && !grabTerminated && movement.touchingGround && target != null)
{
// Turn player towards target
targetRotation = Quaternion.LookRotation(new Vector3(target.transform.position.x, tongueTargetAnchor.position.y, target.transform.position.z) - tongueTargetAnchor.position);
transform.rotation = Quaternion.Slerp(transform.rotation, targetRotation, 20 * Time.deltaTime);
targetJoint.transform.rotation = targetRotation;
if (Vector3.Distance(tongueTargetAnchor.position, targetJoint.transform.position) <= maxTargetDistance + 0.2f)
{
// Behavior when not pulling on target (player is closer than when it was grabbed)
// Allow free movement by updating joint's target distance
targetJoint.targetPosition = new Vector3(0, 0, maxTargetDistance - Vector3.Distance(tongueTargetAnchor.position, targetJoint.transform.position));
// Tell target that it isn't being pulled
target.isBeingPulled = false;
timeObjectPulled = 0;
}
else
{
// Behavior when pulling on target (player is farther away than when it was grabbed)
// restrict player from moving any farther away
targetJoint.targetPosition = new Vector3(0, 0, 0);
target.isBeingPulled = true;
// If pulling should trigger an event on target, trigger it
timeObjectPulled += Time.deltaTime;
if (timeObjectPulled >= target.timeToPull && target.eventOnPull)
{
target.eventTriggered = true;
}
}
tongueCollider.position = target.transform.position;
yield return(null);
}
if (target != null)
{
// Break connection to joint
targetJoint.connectedBody = null;
target.isBeingPulled = false;
}
grabbedOnTarget = false;
// Start retracting tongue
StartCoroutine(TongueRetract(tongueCollider.transform.position, 1));
// If player was forced to release grab:
if (grabTerminated)
{
// Jerk player backwards
rb.AddRelativeForce(0, 0, -6, ForceMode.Impulse);
movement.overrideNormalMovement = true;
// Delay enabling normal movement
yield return(new WaitForSeconds(0.5f));
}
// Enable normal movement
movement.overrideJump = false;
movement.overrideRotation = false;
movement.overrideNormalMovement = false;
grabTerminated = false;
}
/*
* This region contains the various interactions that can be performed once tongue has hit a target.
* The type of interaction performed is determined by checking the targetType of the target object.
*
* FUNCTIONS IN THIS REGION:
* Tongue Swing
* Tongue Eat
* Tongue Grab
* Terminate Grab
*/
IEnumerator TongueSwing(SCR_TongueTarget target)
{
// Stop targeting
currentTarget = null;
tongueState = TongueState.Attached;
ConfigurableJoint targetJoint = target.GetComponentInChildren <ConfigurableJoint>();
Rigidbody targetJointRb = targetJoint.GetComponent <Rigidbody>();
// Turn player towards target
Quaternion targetRotation = Quaternion.LookRotation(target.transform.position - tongueTargetAnchor.position);
transform.rotation = targetRotation;
targetJoint.transform.rotation = targetRotation;
// Tell target that player is swinging on it
target.isBeingSwung = true;
// Connect player to target joint
targetJoint.connectedBody = rb;
// Set target distance while swinging (promote to variable later)
targetJoint.targetPosition = new Vector3(0, 0, Vector3.Distance(tongueTargetAnchor.position, targetJoint.transform.position) - variables.swingDistance);
// Set initial swing velocity. Change this in future to convert linear velocity to angular
//rb.velocity = rb.velocity.normalized * 7;
rb.velocity = new Vector3(rb.velocity.x, 0, rb.velocity.z);
// Deactivate normal movement
movement.overrideNormalMovement = true;
movement.overrideJump = true;
movement.overrideRotation = true;
movement.canMidairJump = false;
rb.constraints &= ~RigidbodyConstraints.FreezeRotationX;
rb.constraints &= ~RigidbodyConstraints.FreezeRotationY;
rb.constraints &= ~RigidbodyConstraints.FreezeRotationZ;
float swingTime = 0;
while ((holdingTongueButton || swingTime < 0.2f) && target != null)
{
swingTime += Time.deltaTime;
// Add some forward rotation at the beginning of swing
if (target.startWithVelocity && swingTime < 0.1f)
{
targetJointRb.AddRelativeTorque(-400 * Time.deltaTime, 0, 0, ForceMode.Impulse);
}
tongueCollider.position = target.transform.position;
yield return(null);
}
if (target != null)
{
// Break connection to joint
targetJoint.connectedBody = null;
// Tell target that player stopped swinging on it
target.isBeingSwung = false;
}
// Set velocity on swing end. Change this in future to convert linear velocity to angular
//rb.velocity = rb.velocity.normalized * targetJointRb.angularVelocity.magnitude * 2;
movement.externalVelocity.velocity = rb.velocity;
if (movement.externalVelocity.velocity.y < 1)
{
movement.externalVelocity.velocity = new Vector3(movement.externalVelocity.velocity.x, 1, movement.externalVelocity.velocity.z);
}
// Re-activate normal movement
movement.overrideNormalMovement = false;
movement.overrideJump = false;
movement.overrideRotation = false;
rb.constraints = RigidbodyConstraints.FreezeRotation;
// Refresh midair jump after swinging
movement.canMidairJump = true;
StartCoroutine(TongueRetract(tongueCollider.transform.position, 1));
}
