private bool isFistAndMovingInDirection(TrackedHand hand, float lookBackWindowInSeconds, Vector3 direction, float distanceThreshold)
{
int lookBackWindowIndex = hand.getIndexForPastTimeSeconds(lookBackWindowInSeconds);
// Validate that we have enough position memory
if (hand.pastControllerPositions.Count < lookBackWindowIndex)
{
// Debug.Log("Not enough look back positions");
return(false);
}
for (int i = 0; i < lookBackWindowIndex; i++)
{
// Validate validity requirement
if (!hand.pastControllerPositions[i].isValid)
{
// Debug.Log("Not enough valid look back positions");
return(false);
}
// Validate grip requirement
if (!hand.pastControllerPositions[i].isGripping)
{
// Debug.Log("Hands were not gripped long enough");
return(false);
}
// Validate distance travelled requirement
Vector3 distanceTravelled = hand.getPosition() - hand.pastControllerPositions[i].position;
float distanceTravelledInDirection = Vector3.Dot(distanceTravelled, direction.normalized);
if (distanceTravelledInDirection > distanceThreshold)
{
return(true);
}
}
return(false);
}
private void analyzeDynamicGestures()
{
if (!abilityActivated)
{
// Check wall making gesture
if (bothFistsMovingUp() && !isJumping)
{
Debug.Log("Triggering wall summon!");
abilityActivated = true;
wallIsMaking = true;
summonWall();
}
// Check Jumping ability
if (bothFistsMovingDown() && !isJumping)
{
Debug.Log("Triggering jump!");
abilityActivated = true;
jump(leftHand, rightHand);
}
// Check rock lifting gesture
else if (isFistAndMovingUp(leftHand) && bothHandsGestureTimer <= 0.0)
{
Debug.Log("Triggering left rock summon!");
abilityActivated = true;
rockIsActive = true;
summonRock(leftHand);
}
else if (isFistAndMovingUp(rightHand) && bothHandsGestureTimer <= 0.0)
{
Debug.Log("Triggering right rock summon!");
abilityActivated = true;
rockIsActive = true;
rightHandAbilityIsActive = true;
summonRock(rightHand);
}
}
else if (rockObject != null && abilityActivated && rockIsActive)
{
TrackedHand punchingHand = rightHandAbilityIsActive ? leftHand : rightHand;
if (isFistAndMovingInDirection(punchingHand, lookBackWindowInSeconds, rockObject.transform.position - punchingHand.getPosition(), punchDistanceThreshold))
{
if ((rockObject.transform.position - punchingHand.getPosition()).magnitude < rockPunchActivationDistance)
{
Debug.Log("Triggering rock punch!");
rockIsActive = false;
punchRock(rockObject.transform.position - punchingHand.pastControllerPositions[punchingHand.getIndexForPastTimeSeconds(lookBackWindowInSeconds) - 1].position, punchingHand.getVelocity().sqrMagnitude * 250f);
}
}
}
}
// ------------------------------------------------------- Jumping Methods -------------------------------------------------------
// Using the average vector over the last 'lookBackWindowInSeconds' between two hands, determines the direction in which to make the player jump.
private void jump(TrackedHand left, TrackedHand right)
{
Debug.Log("Jumped");
Vector3 leftMovementVector = left.getPosition() - left.pastControllerPositions[left.getIndexForPastTimeSeconds(lookBackWindowInSeconds) - 1].position;
Vector3 rightMovementVector = right.getPosition() - right.pastControllerPositions[left.getIndexForPastTimeSeconds(lookBackWindowInSeconds) - 1].position;
Vector3 midway = leftMovementVector.normalized + rightMovementVector.normalized;
float averageVelocity = (left.getVelocity().magnitude + right.getVelocity().magnitude) / 2.0f;
spawnJumpRock(midway, averageVelocity);
playerRigidBody.AddForce(-1f * midway.normalized * averageVelocity * jumpSpeed);;
}