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using System;
using UnityEngine;
public class Controller
{
public bool AnyTouch
{
get
{
return this.Touches[0].IsDown || this.Touches[1].IsDown;
}
}
public bool AnyTouchDown
{
get
{
return this.Touches[0].TouchStart || this.Touches[1].TouchStart;
}
}
public bool AnyTouchUp
{
get
{
return this.Touches[0].TouchEnd || this.Touches[1].TouchEnd;
}
}
public bool FirstDown
{
get
{
return this.Touches[0].TouchStart;
}
}
public Vector2 DragPosition
{
get
{
return this.Touches[this.touchId].Position;
}
}
public Vector2 DragStartPosition
{
get
{
return this.Touches[this.touchId].DownAt;
}
}
public readonly Controller.TouchState[] Touches = new Controller.TouchState[2];
private Collider2D amTouching;
private int touchId = -1;
public class TouchState
{
public Vector2 DownAt;
public Vector2 Position;
public bool WasDown;
public bool IsDown;
public bool TouchStart;
public bool TouchEnd;
}
public Controller()
{
for (int i = 0; i < this.Touches.Length; i++)
{
this.Touches[i] = new Controller.TouchState();
}
}
public DragState CheckDrag(Collider2D coll, bool firstOnly = false)
{
if (!coll)
{
return DragState.NoTouch;
}
if (this.touchId <= -1)
{
if (firstOnly)
{
Controller.TouchState touchState = this.Touches[0];
if (touchState.TouchStart && coll.OverlapPoint(touchState.Position))
{
this.amTouching = coll;
this.touchId = 0;
return DragState.TouchStart;
}
}
else
{
for (int i = 0; i < this.Touches.Length; i++)
{
Controller.TouchState touchState2 = this.Touches[i];
if (touchState2.TouchStart && coll.OverlapPoint(touchState2.Position))
{
this.amTouching = coll;
this.touchId = i;
return DragState.TouchStart;
}
}
}
return DragState.NoTouch;
}
if (coll != this.amTouching)
{
return DragState.NoTouch;
}
if (this.Touches[this.touchId].IsDown)
{
return DragState.Dragging;
}
this.amTouching = null;
this.touchId = -1;
return DragState.Released;
}
public void Update()
{
Controller.TouchState touchState = this.Touches[0];
bool mouseButton = Input.GetMouseButton(0);
touchState.Position = Camera.main.ScreenToWorldPoint(Input.mousePosition);
touchState.TouchStart = (!touchState.IsDown && mouseButton);
if (touchState.TouchStart)
{
touchState.DownAt = touchState.Position;
}
touchState.TouchEnd = (touchState.IsDown && !mouseButton);
touchState.IsDown = mouseButton;
}
public void Reset()
{
for (int i = 0; i < this.Touches.Length; i++)
{
this.Touches[i] = new Controller.TouchState();
}
this.touchId = -1;
this.amTouching = null;
}
public Controller.TouchState GetTouch(int i)
{
return this.Touches[i];
}
}
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