private IEnumerator FindMatchesAndCollapse(RaycastHit2D hit2)
{
//set second item
var selectedObj2 = hit2.collider.gameObject;
candies.Swap(selectedObj, selectedObj2);
//move the swapped ones
selectedObj.transform.positionTo(Constant.AnimationDuration, selectedObj2.transform.position);
selectedObj2.transform.positionTo(Constant.AnimationDuration, selectedObj.transform.position);
yield return(new WaitForSeconds(Constant.AnimationDuration));
//get the matches via the helper methods
var hitGomatchesInfo = candies.GetMatches(selectedObj);
var hitGo2matchesInfo = candies.GetMatches(selectedObj2);
var totalMatches = hitGomatchesInfo.MatchedCandy.Union(hitGo2matchesInfo.MatchedCandy).Distinct();
//if user's swap didn't create at least a 3-match, undo their swap
if (totalMatches.Count() < Constant.MinimumMatches)
{
selectedObj.transform.positionTo(Constant.AnimationDuration, selectedObj2.transform.position);
selectedObj2.transform.positionTo(Constant.AnimationDuration, selectedObj.transform.position);
yield return(new WaitForSeconds(Constant.AnimationDuration));
candies.UndoSwap();
}
int timesRun = 1;
while (totalMatches.Count() >= Constant.MinimumMatches)
{
audio.Play();
//increase score
IncreaseScore((totalMatches.Count() - 2) * Constant.Match3Score);
if (timesRun >= 2)
{
IncreaseScore(Constant.SubsequentMatchScore);
}
foreach (var item in totalMatches)
{
candies.Remove(item);
RemoveFromScene(item);
}
//get the columns that we had a collapse
var columns = totalMatches.Select(go => go.GetComponent <Candy>().Column).Distinct();
//the order the 2 methods below get called is important!!!
//collapse the ones gone
var collapsedCandyInfo = candies.Collapse(columns);
//create new ones
var newCandyInfo = CreateNewCandyInSpecificColumns(columns);
int maxDistance = Mathf.Max(collapsedCandyInfo.MaxDistance, newCandyInfo.MaxDistance);
MoveAndAnimate(newCandyInfo.AlteredCandy, maxDistance);
MoveAndAnimate(collapsedCandyInfo.AlteredCandy, maxDistance);
//will wait for both of the above animations
yield return(new WaitForSeconds(Constant.MoveAnimationMinDuration * maxDistance));
//search if there are matches with the new/collapsed items
totalMatches = candies.GetMatches(collapsedCandyInfo.AlteredCandy).
Union(candies.GetMatches(newCandyInfo.AlteredCandy)).Distinct();
timesRun++;
}
state = GameState.None;
StartCheckForPotentialMatches();
}
private IEnumerator FindMatchesAndCollapse(RaycastHit2D hit2)
{
// assign 2nd game object to the one that was touched.
var hitGo2 = hit2.collider.gameObject;
// Swap the candy positions
candies.Swap(hitGo, hitGo2);
// Move passed item into position 2
hitGo.transform.positionTo(GameVariables.AnimationDuration, hit2.transform.position);
// Move item 2 into position
hitGo2.transform.positionTo(GameVariables.AnimationDuration, hitGo.transform.position);
// wait until its over.
yield return(new WaitForSeconds(GameVariables.AnimationDuration));
var hitGoMatchesInfo = candies.GetMatches(hitGo);
var hitGo2MatchesInfo = candies.GetMatches(hitGo2);
// join the first and second lists, de-duplicating, to result in the total matches
var totalMatches = hitGoMatchesInfo.MatchedCandy.Union(hitGo2MatchesInfo.MatchedCandy).Distinct();
// if there is not a valid match, such as only being 2 in a row, wrong colors, etc... we need to undo the animated swap.
if (totalMatches.Count() < GameVariables.MinimumMatches)
{
// Move passed item back to position 1
hitGo.transform.positionTo(GameVariables.AnimationDuration, hitGo2.transform.position);
// Move item 2 back to its position
hitGo2.transform.localPositionTo(GameVariables.AnimationDuration, hitGo.transform.position);
yield return(new WaitForSeconds(GameVariables.AnimationDuration));
candies.UndoSwap();
}
// figure out if we're going to grant a bonus
bool addBonus = totalMatches.Count() >= GameVariables.MinimumMatchesForBonus &&
!BonusTypeChecker.ContainsDestroyWholeWorColumn(hitGoMatchesInfo.BonusesContained) && // if the items being destroyed doesn't already contain a bonus
!BonusTypeChecker.ContainsDestroyWholeWorColumn(hitGo2MatchesInfo.BonusesContained); // if the items being destroyed doesn't already contain a bonus
Candy hitGoCache = null;
if (addBonus == true)
{
hitGoCache = new Candy();
// assign one of the two game objects depending if its the same type
var sameTypeGo = hitGoMatchesInfo.MatchedCandy.Count() > 0 ? hitGo : hitGo2;
// get a reference to the Candy component on the SameTypeGo gameobject
var candy = sameTypeGo.GetComponent <Candy>();
// initialize the bonus candy
hitGoCache.Initialize(candy.Type, candy.Row, candy.Column);
}
// track the while loop
int timesRun = 1;
while (totalMatches.Count() >= GameVariables.MinimumMatches)
{
// earn points for each 3-item match
IncreaseScore(totalMatches.Count() - 2 * GameVariables.Match3Score);
// bonus if multiples
if (timesRun >= 2)
{
IncreaseScore(GameVariables.SubsequelMatchScore);
}
// trigger sound effect
soundManager.PlaySound();
// Now remove the individual items
foreach (var item in totalMatches)
{
candies.Remove(item);
RemoveFromScene(item);
}
// If there is a bonus candy to be generated, create it.
if (addBonus)
{
CreateBonus(hitGoCache);
}
addBonus = false;
var columns = totalMatches.Select(go => go.GetComponent <Candy>().Column).Distinct();
var collapsedCandyInfo = candies.Collapse(columns);
var newCandyInfo = CreateNewCandyInSpecificColumns(columns);
int maxDistance = Mathf.Max(collapsedCandyInfo.maxDistance, newCandyInfo.maxDistance);
MoveAndAnimate(newCandyInfo.AlteredCandy, maxDistance);
MoveAndAnimate(collapsedCandyInfo.AlteredCandy, maxDistance);
// wait for time for each movement animation that has to occur
yield return(new WaitForSeconds(GameVariables.MoveAnimationDuration * maxDistance));
// Checking for new matches in the collapsed columns
totalMatches = candies.GetRefillMatches(collapsedCandyInfo.AlteredCandy).Union(candies.GetRefillMatches(newCandyInfo.AlteredCandy)).Distinct();
timesRun++;
} // end while
// reset game state
state = GameState.None;
// start checking for potential matches again.
StartCheckForPotentialMatches();
}
private IEnumerator FindMatchesAndCollapse(RaycastHit2D hit2)
{
var hitGo2 = hit2.collider.gameObject;
candies.Swap(hitGo, hitGo2);
hitGo.transform.positionTo(GameVariables.AnimationDuration, hit2.transform.position);
hitGo2.transform.positionTo(GameVariables.AnimationDuration, hitGo.transform.position);
yield return(new WaitForSeconds(GameVariables.AnimationDuration));
var hitGoMatchesInfo = candies.GetMatches(hitGo);
var hitGo2MatchesInfo = candies.GetMatches(hitGo2);
var totalMatches = hitGoMatchesInfo.MatchedCandy.Union(hitGo2MatchesInfo.MatchedCandy).Distinct();
if (totalMatches.Count() < GameVariables.MinimumMatches)
{
hitGo.transform.positionTo(GameVariables.AnimationDuration, hitGo2.transform.position);
hitGo2.transform.localPositionTo(GameVariables.AnimationDuration, hitGo.transform.position);
yield return(new WaitForSeconds(GameVariables.AnimationDuration));
candies.UndoSwap();
}
bool addBonus = totalMatches.Count() >= GameVariables.MinimumMatchesForBonus &&
!BonusTypeChecker.ContainsDestroyWholeRowColumn(hitGoMatchesInfo.BonusesContained) &&
!BonusTypeChecker.ContainsDestroyWholeRowColumn(hitGo2MatchesInfo.BonusesContained);
Candy hitGoCache = null;
if (addBonus)
{
hitGoCache = new Candy();
var sameTypeGo = hitGoMatchesInfo.MatchedCandy.Count() > 0 ? hitGo : hitGo2;
var candy = sameTypeGo.GetComponent <Candy> ();
hitGoCache.Initialize(candy.Type, candy.Row, candy.Column);
}
int timesRun = 1;
while (totalMatches.Count() >= GameVariables.MinimumMatches)
{
IncreaseScore(Mathf.Abs(totalMatches.Count() - 2 * GameVariables.Match3Score));
if (timesRun >= 2)
{
IncreaseScore(GameVariables.SubsequelMatchScore);
}
soundManager.PlaySound();
foreach (var item in totalMatches)
{
candies.Remove(item);
RemoveFromScene(item);
}
if (addBonus)
{
CreateBonus(hitGoCache);
}
addBonus = false;
var columns = totalMatches.Select(go => go.GetComponent <Candy> ().Column).Distinct();
var collapseCandyInfo = candies.Collapse(columns);
var newCandyInfo = CreateNewCandyInSpecificColumns(columns);
int maxDistance = Mathf.Max(collapseCandyInfo.maxDistance, newCandyInfo.maxDistance);
MoveAndAnimate(newCandyInfo.AlteredCandy, maxDistance);
MoveAndAnimate(collapseCandyInfo.AlteredCandy, maxDistance);
yield return(new WaitForSeconds(GameVariables.AnimationDuration * maxDistance));
totalMatches = candies.GetMatches(collapseCandyInfo.AlteredCandy)
.Union(candies.GetMatches(newCandyInfo.AlteredCandy)).Distinct();
timesRun++;
}
state = GameState.None;
StartCheckForPotentialMatches();
}