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DragDropMatchingItem.cs for stickers 2d (on click stickers) Simplified version
using UnityEngine;
using System.Collections;
public class DragDropMatchingItem : MonoBehaviour
{
private bool startDraging;//start draging flag
private bool clickedOnDest;//clicked on a destination flag
private GameObject currentMatchingItemSource;//current matching item
private GameObject currentMatchingItemDest;//current matching item
private bool matchDone;//match done flag
private Vector3 clickPoint;//click point
private Vector3 offset;//offset vector
public AudioClip youWin;
public AudioSource audioSource;//audio source
public Animator youWinAnimator;//you win animator
//Three Parameter to handle click on source and destinaiton
private Vector3 screenPoint;
public bool IsSourceSelected;
public bool IsTargetSelected;
void Start ()
{
if (audioSource == null) {
audioSource = Camera.main.GetComponent<AudioSource> ();//get the audio source
}
}
// Update is called once per frame
void Update ()
{
if (matchDone) {
return;
}
CheckMatchDone ();//check matching
if (matchDone) {
audioSource.Stop ();
//When the entire Match Done
if (youWinAnimator != null) {
audioSource.clip = youWin;
audioSource.Play ();//play win audio clip
youWinAnimator.SetBool ("isRunning", true);//show you win on the screen
}
}
if (Input.GetMouseButtonDown (0)) {
RayCast2D (Input.mousePosition);
} else if (Input.GetMouseButtonUp (0)) {
//empty
}
}
//2d screen raycast
private void RayCast2D (Vector3 pos)
{
pos = Camera.main.ScreenToWorldPoint (pos);//get click position
RaycastHit2D rayCastHit2D = Physics2D.Raycast (pos, Vector2.zero);
if (rayCastHit2D.collider == null) {
return;
}
startDraging = true;//trigger start dragging
if (currentMatchingItemSource != null) {
Vector3 curScreenPoint = new Vector3 (Input.mousePosition.x, Input.mousePosition.y, screenPoint.z);
Vector3 curPosition = Camera.main.ScreenToWorldPoint (curScreenPoint) + offset;
currentMatchingItemSource.transform.position = curPosition;
}
if (rayCastHit2D.collider.tag == "MatchingItem") {
//check if source is selected
if (rayCastHit2D.collider.GetComponent<MatchingItem> ().itemType == MatchingItem.ItemType.SOURCE) {
Debug.Log (rayCastHit2D.collider.tag);
Debug.Log (rayCastHit2D.collider.name + "1");
IsSourceSelected = true;
IsTargetSelected = false;
currentMatchingItemSource = (GameObject)rayCastHit2D.transform.gameObject;
currentMatchingItemSource.GetComponent<Collider2D> ().enabled = true;//enable the collider for the current matching item
currentMatchingItemSource.GetComponent<FollowTarget> ().isRunning = true;//let the current matching item follows the target
audioSource.clip = currentMatchingItemSource.GetComponent<MatchingItem> ().dragAudioClip;
audioSource.Play ();//play drop audio clip
screenPoint = Camera.main.WorldToScreenPoint(currentMatchingItemSource.transform.position);
offset = currentMatchingItemSource.transform.position - Camera.main.ScreenToWorldPoint(new Vector3(Input.mousePosition.x, Input.mousePosition.y, screenPoint.z));
//check if target is selected and if its matching the source
} else if (rayCastHit2D.collider.GetComponent<MatchingItem> ().itemType == MatchingItem.ItemType.DESTINATION) {
IsTargetSelected = true;
Debug.Log (rayCastHit2D.collider.tag);
Debug.Log (rayCastHit2D.collider.name + "2");
currentMatchingItemDest = (GameObject)rayCastHit2D.transform.gameObject;
if (IsSourceSelected == true && IsTargetSelected == true) {
if (currentMatchingItemSource.GetComponent<MatchingItem> ().id == rayCastHit2D.collider.GetComponent<MatchingItem> ().id) {
Debug.Log ("Match");
//correct match
clickedOnDest = true;//trigger clickedOnDest
startDraging = false;//reset startDragging flag
rayCastHit2D.collider.GetComponent<MatchingItem> ().connected = true;//trigger connected flag for the destination
currentMatchingItemDest.GetComponent<MatchingItem> ().connected = true;//trigger connected flag for the source
currentMatchingItemDest.GetComponent<SpriteRenderer> ().sprite = currentMatchingItemSource.GetComponent<SpriteRenderer> ().sprite;
audioSource.clip = currentMatchingItemSource.GetComponent<MatchingItem> ().dropAudioClip;
audioSource.Play ();//play drop audio clip
currentMatchingItemSource.SetActive (false);//hide the source
IsSourceSelected = false;
IsTargetSelected = false;
} else {
Debug.Log ("No Match");
}
}
} else {
//Nothing
}
}
}
//Check if the matching for the entire matching items is done or not.
private void CheckMatchDone ()
{
MatchingItem [] matchingItems = (MatchingItem[])GameObject.FindObjectsOfType (typeof(MatchingItem));
matchDone = true;
foreach (MatchingItem item in matchingItems) {
if (!item.connected) {
matchDone = false;
return;
}
}
}
}
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