An easy to use Unity 3D library for creating illustrated Interactive Fiction games and more.
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// This code is part of the Fungus library (https://github.com/snozbot/fungus)
// It is released for free under the MIT open source license (https://github.com/snozbot/fungus/blob/master/LICENSE)
using UnityEngine;
using System;
using System.Collections;
using System.Collections.Generic;
namespace Fungus
{
/// <summary>
/// The block will execute when the player is dragging an object which starts touching the target object.
/// </summary>
[EventHandlerInfo("Sprite",
"Drag Entered",
"The block will execute when the player is dragging an object which starts touching the target object.")]
[AddComponentMenu("")]
public class DragEntered : EventHandler
{
public class DragEnteredEvent
{
public Draggable2D DraggableObject;
public Collider2D TargetCollider;
public DragEnteredEvent(Draggable2D draggableObject, Collider2D targetCollider)
{
DraggableObject = draggableObject;
TargetCollider = targetCollider;
}
}
[Tooltip("Draggable object to listen for drag events on")]
[SerializeField] protected Draggable2D draggableObject;
[Tooltip("Drag target object to listen for drag events on")]
[SerializeField] protected Collider2D targetObject;
protected EventDispatcher eventDispatcher;
protected virtual void OnEnable()
{
eventDispatcher = FungusManager.Instance.EventDispatcher;
eventDispatcher.AddListener<DragEnteredEvent>(OnDragEnteredEvent);
}
protected virtual void OnDisable()
{
eventDispatcher.RemoveListener<DragEnteredEvent>(OnDragEnteredEvent);
eventDispatcher = null;
}
void OnDragEnteredEvent(DragEnteredEvent evt)
{
OnDragEntered(evt.DraggableObject, evt.TargetCollider);
}
#region Public members
/// <summary>
/// Called by the Draggable2D object when the the drag enters the drag target.
/// </summary>
public virtual void OnDragEntered(Draggable2D draggableObject, Collider2D targetObject)
{
if (draggableObject == this.draggableObject &&
targetObject == this.targetObject)
{
ExecuteBlock();
}
}
public override string GetSummary()
{
string summary = "";
if (draggableObject != null)
{
summary += "\nDraggable: " + draggableObject.name;
}
if (targetObject != null)
{
summary += "\nTarget: " + targetObject.name;
}
if (summary.Length == 0)
{
return "None";
}
return summary;
}
#endregion
}
}