public void DrawSymbol(MhGesture gesture)
{
foreach (Vector2 v in gesture.points)
{
Vector3 v3screen = new Vector3(v.x, v.y);
Vector3 v3Word = Camera.main.ScreenToWorldPoint(v3screen);
Vector3 pos = new Vector3();
pos.x = v3Word.x;
pos.y = v3Word.y;
MhGesturePoint newPoint = InstancePoint(pos);
if (lastVector == Vector2.zero)
{
lastVector = v;
firstPoint = newPoint;
lastGestPoint = newPoint;
}
else
{
lastGestPoint.SetNextPoint(newPoint);
lastVector = v;
lastGestPoint = newPoint;
}
}
}
private MhGesturePoint InstancePoint(Vector3 worldPosition)
{
pointCount++;
MhGesturePoint newPoint = Instantiate(spritePoint, worldPosition, new Quaternion(), parrentGesturePoint.transform).GetComponent <MhGesturePoint>();
//Little magic for coloured change to help keep track of direction
newPoint.GetComponent <SpriteRenderer>().color = new Color32((byte)(255 - (byte)Mathf.Abs(255 - (pointCount % 255))), (byte)(255 - Mathf.Abs(255 - (pointCount * 2 % 255))), 255, 255);
return(newPoint);
}
public void ClearSymbol()
{
foreach (Transform child in parrentGesturePoint.transform)
{
Destroy(child.gameObject);
}
firstPoint = null;
lastVector = new Vector2();
pointCount = 0;
}
public MhGesture GetCurrentgesture()
{
MhGesture gesture = new MhGesture();
MhGesturePoint point = firstPoint;
while (point != null)
{
Vector3 currentScreenPos = Camera.main.WorldToScreenPoint(point.transform.position);
Vector2 currentScreenPos2D = new Vector2(currentScreenPos.x, currentScreenPos.y);
point = point.after;
gesture.Points.Add(currentScreenPos2D);
}
return(gesture);
}
public void DeleteLastPoint()
{
if (gestureInput.lastGestPoint == gestureInput.firstPoint)
{
gestureInput.ClearSymbol();
}
else
{
MhGesturePoint lastPoint = gestureInput.lastGestPoint;
MhGesturePoint secondLastPoint = lastPoint.before;
Vector3 lastVector = Camera.main.WorldToScreenPoint(secondLastPoint.transform.position);
Destroy(lastPoint.gameObject);
gestureInput.lastGestPoint = secondLastPoint;
gestureInput.lastVector = new Vector2(lastVector.x, lastVector.y);
secondLastPoint.after = null;
}
}
public void SetNextPoint(MhGesturePoint nextPoint)
{
after = nextPoint;
nextPoint.before = this;
}
// Update is called once per frame
void Update()
{
if (Input.GetMouseButton(0) && (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.LeftShift)))
{
drawing = true;
Vector2 potentialLastVector = new Vector2(Input.mousePosition.x, Input.mousePosition.y);
if (lastVector == Vector2.zero)
{
Vector3 pos = new Vector3();
Vector3 mousePosWorld = Camera.main.ScreenToWorldPoint(Input.mousePosition);
pos.x = mousePosWorld.x;
pos.y = mousePosWorld.y;
lastGestPoint = InstancePoint(pos);
lastVector = potentialLastVector;
firstPoint = lastGestPoint;
}
else if (Vector2.Distance(lastVector, potentialLastVector) >= maxDistance)
{
while (Vector2.Distance(lastVector, potentialLastVector) >= maxDistance)
{
Vector2 direction = potentialLastVector - lastVector;
Vector2 newPosition = lastVector + (direction / direction.magnitude) * maxDistance;// normalized direction * wanted direction;
Vector3 pos = new Vector3();
pos.x = newPosition.x;
pos.y = newPosition.y;
Vector3 worldPosition = Camera.main.ScreenToWorldPoint(pos);
worldPosition.z = 0;
MhGesturePoint nextPoint = InstancePoint(worldPosition);
lastGestPoint.SetNextPoint(nextPoint);
lastGestPoint = nextPoint;
lastVector = newPosition;
if (Input.GetKey(KeyCode.LeftControl))
{
break;
}
}
}
}
if (Input.GetMouseButton(1))
{
if (lastMousemovePosition == Vector2.zero)
{
Vector3 curentWord = Camera.main.ScreenToWorldPoint(Input.mousePosition);
lastMousemovePosition = new Vector2(curentWord.x, curentWord.y);
}
else
{
Vector3 curentWord = Camera.main.ScreenToWorldPoint(Input.mousePosition);
Vector2 newPosition = new Vector2(curentWord.x, curentWord.y);
Vector2 move = newPosition - lastMousemovePosition;
lastMousemovePosition = newPosition;
MhGesturePoint pointChecked = firstPoint;
while (pointChecked != null)
{
pointChecked.transform.position = new Vector3(pointChecked.transform.position.x + move.x, pointChecked.transform.position.y + move.y, pointChecked.transform.position.z);
pointChecked = pointChecked.after;
}
}
}
else
{
lastMousemovePosition = Vector2.zero;
}
if (drawing && !Input.GetMouseButton(0))
{
drawing = false;
//drawwing stop
}
}
