//Check and set movement and swipes for the ball.
void CheckMovement()
{
//If the ball is allowed to move, multiply the speed we have set to its direction.
if (isMoving)
{
ballRB.velocity = ballSpeed * moveDirection;
}
//Create a small collider on the ball to use as a detector for uncolored groundSquares to color the ones we pass on.
Collider[] ballTouchCollider = Physics.OverlapSphere(transform.position - (Vector3.up / 2), 0.15f);
int i = 0;
while (i < ballTouchCollider.Length)
{
Ground ground = ballTouchCollider[i].transform.GetComponent <Ground>();
if (ground && !ground.isColoured)
{
ground.ColourChanger(squareColor);
}
i++;
}
// Checking if we have reached our destination. Then set isMoving to false so we can move the ball again.
if (collisionPosition != Vector3.zero)
{
if (Vector3.Distance(transform.position, collisionPosition) < 1)
{
isMoving = false;
moveDirection = Vector3.zero;
collisionPosition = Vector3.zero;
}
}
//If isMoving is True and we try to move the ball to an another direction, it shouldn't let us, so it returns nothing.
if (isMoving)
{
return;
}
//Once the user tabs on the screen to swipe we take their finger's first X and Y position.
if (Input.GetMouseButton(0))
{
swipePositionCurrentFrame = new Vector2(Input.mousePosition.x, Input.mousePosition.y);
//Did the player's finger move after the initial tab? Then set the destination of mentioned swipe.
if (swipePositionLastFrame != Vector2.zero)
{
currentSwipe = swipePositionCurrentFrame - swipePositionLastFrame;
//Was it an accidental tab? Then return nothing.
if (currentSwipe.sqrMagnitude < minSwipeRecognition)
{
return;
}
currentSwipe.Normalize();
//User swiped up or down
if (currentSwipe.x > -0.5f && currentSwipe.x < 0.5f)
{
if (currentSwipe.y > 0)
{
SetDestination(Vector3.forward);
}
else
{
SetDestination(Vector3.back);
}
}
//User swiped left or right
if (currentSwipe.y > -0.5 && currentSwipe.y < 0.5)
{
if (currentSwipe.x > 0)
{
SetDestination(Vector3.right);
}
else
{
SetDestination(Vector3.left);
}
}
}
swipePositionLastFrame = swipePositionCurrentFrame;
}
//If the player lifts their finger up, don't register anything and set the variables to zero.
if (Input.GetMouseButtonUp(0))
{
swipePositionLastFrame = Vector2.zero;
currentSwipe = Vector2.zero;
}
}
