private void OnMouseEnter()
{
if (Input.GetMouseButton(0))
{
DM.endPosition_draw = new Vector2(positionX, positionY);
int xDifference = (int)(DM.startPosition_draw.x - DM.endPosition_draw.x);
int yDifference = (int)(DM.startPosition_draw.y - DM.endPosition_draw.y);
//이전 상태와 비교해 변화가 있는 경우
if (DM.startPosition_draw.x != DM.endPosition_draw.x || DM.startPosition_draw.y != DM.endPosition_draw.y)
{
//x,y축 양축으로 다 벗어난 경우
if (DM.startPosition_draw.x != DM.endPosition_draw.x)
{
if (DM.startPosition_draw.y != DM.endPosition_draw.y)
{
DM.startPosition_draw = new Vector2(positionX, positionY);
DM.ChangePixel(positionX, positionY, DM.currentColor);
}
}
//x축으로만 벗어난 경우
if (DM.startPosition_draw.x != DM.endPosition_draw.x && yDifference == 0)
{
//앞으로 벗어난 경우
if (xDifference < 0)
{
for (int i = 0; i <= Mathf.Abs(xDifference); i++)
{
DM.ChangePixel((int)(DM.startPosition_draw.x) + i, positionY, DM.currentColor);
}
}
//뒤로 벗어난 경우
if (xDifference > 0)
{
for (int i = 0; i <= Mathf.Abs(xDifference); i++)
{
DM.ChangePixel((int)(DM.startPosition_draw.x) - i, positionY, DM.currentColor);
}
}
}
//y축으로만 벗어난 경우
if (DM.startPosition_draw.y != DM.endPosition_draw.y && xDifference == 0)
{
//위로 벗어난 경우
if (yDifference < 0)
{
for (int i = 0; i <= Mathf.Abs(yDifference); i++)
{
DM.ChangePixel(positionX, (int)(DM.startPosition_draw.y) + i, DM.currentColor);
}
}
//아래로 벗어난 경우
if (yDifference > 0)
{
for (int i = 0; i <= Mathf.Abs(yDifference); i++)
{
DM.ChangePixel(positionX, (int)(DM.startPosition_draw.y) - i, DM.currentColor);
}
}
}
DM.SaveCurrentState();
}
}
}
