void Move()
{
Vector3 nextPartPosition = transform.position;
Quaternion nextPartRotation = transform.localRotation;
currentPosition = transform.position;
currentTouch = Camera.main.ScreenToWorldPoint(Input.mousePosition);
// HANDLES ROTATION
moveDirection = Utility.GetDirection(currentTouch, currentPosition);
currentPosition += moveDirection * distanceBetweenTwoPart;
transform.position = Vector2.Lerp(transform.position, currentPosition, Time.deltaTime * Constants.SPEED);
// if we have moved and need to rotate
if (moveDirection != Vector3.zero)
{
// calculates the angle we should turn towards, - 90 makes the sprite rotate
float targetAngle = Utility.GetAngle(moveDirection); // Mathf.Atan2(moveDirection.y, moveDirection.x) * Mathf.Rad2Deg - 90;
// actually rotates the sprite using Slerp (from its previous rotation, to the new one at the designated speed.
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.Euler(0, 0, targetAngle), 30f * Time.deltaTime);
}
snakePart.MoveSnakePart(nextPartPosition, nextPartRotation);
if (Vector2.Distance(transform.position, currentTouch) > distanceBetweenTwoPart
)
{
Move();
}
}
public void MoveSnakePart(Vector3 nextPosition, Quaternion nextRotation)
{
Vector3 nextPartPosition = transform.position;
Quaternion nextPartRotation = transform.localRotation;
currentPosition = transform.position;
transform.position = Vector2.Lerp(transform.position, nextPosition, Time.deltaTime * Constants.SPEED);
// HANDLES ROTATION
moveDirection = Utility.GetDirection(nextPosition, currentPosition);
if (!isLast)
{
transform.rotation = Quaternion.Slerp(transform.rotation, nextRotation, 20f * Time.deltaTime);
snakePart.MoveSnakePart(nextPartPosition, nextPartRotation);
}
else
{
moveDirection = Utility.GetDirection(nextPosition, currentPosition);
currentPosition += moveDirection * .5f;
if (moveDirection != Vector3.zero)
{
float targetAngle = Utility.GetAngle(moveDirection); // Mathf.Atan2(moveDirection.y, moveDirection.x) * Mathf.Rad2Deg - 90;
transform.rotation = Quaternion.Slerp(transform.rotation, Quaternion.Euler(0, 0, targetAngle), 20f * Time.deltaTime);
}
}
}
