// This function is responsible for moving the tokens and resetting the variables if there was a match, and putting them back into their previous positions
// if there was not a match.
public virtual void ExchangeTokens()
{
// Remember the starting and ending position for each token.
Vector3 startPos = gameManager.GetWorldPositionFromGridPosition((int)exchangeGridPos1.x, (int)exchangeGridPos1.y);
Vector3 endPos = gameManager.GetWorldPositionFromGridPosition((int)exchangeGridPos2.x, (int)exchangeGridPos2.y);
// Get the new position for each token by lerping between startPos and endPos.
Vector3 movePos1 = Vector3.Lerp(startPos, endPos, lerpPercent);
Vector3 movePos2 = Vector3.Lerp(endPos, startPos, lerpPercent);
// Update the position of each token object.
exchangeToken1.transform.position = movePos1;
exchangeToken2.transform.position = movePos2;
// If both tokens have reached their final position:
if (lerpPercent == 1)
{
// Tell the grid array the new positions of each token.
gameManager.gridArray[(int)exchangeGridPos2.x, (int)exchangeGridPos2.y] = exchangeToken1;
gameManager.gridArray[(int)exchangeGridPos1.x, (int)exchangeGridPos1.y] = exchangeToken2;
Step--;
StepText.gameObject.GetComponent <TextMesh> ().text = "Step: " + Step;
// If this exchange has not created a match, move the tokens back.
if (!matchManager.GridHasMatch() && userSwap)
{
SetupTokenExchange(exchangeToken1, exchangeGridPos2, exchangeToken2, exchangeGridPos1, false);
// If this exchange has created a match, reset all variables and set movement to false.
}
else
{
exchangeToken1 = null;
exchangeToken2 = null;
move = false;
}
}
}
