private void Move(Vector2 dir)
{
if (dir == Vector2.zero)
{
return;
}
m_BoxRects = App.manager.obstructMgr.obstructRects;
Vector2 absDir = new Vector2(Abs(dir.x), Abs(dir.y));
//使用归一化的方向值
Vector2 speed = dir.normalized;
speed.x = absDir.x < 1 ? dir.x : speed.x;
speed.y = absDir.y < 1 ? dir.y : speed.y;
Vector2 absSpeed = new Vector2(Abs(speed.x), Abs(speed.y));
Vector2 curMove = Vector2.zero;
Obstructer.Rect curRect = m_Obstructer.rect;
m_PlayerRect = curRect;
m_Again = true;
while (m_Again && curMove.x <= absDir.x && curMove.y <= absDir.y)
{
//偏移值
m_PlayerRect.position += speed;
Go(speed);
curMove += absSpeed;
}
Vector2 position = m_PlayerRect.position - curRect.position;
m_Obstructer.transform.position += new Vector3(position.x, position.y);
}
private bool CheckBoxLine(Obstructer.Rect boxRect, Vector2 dir, out Vector2 newDir)
{
newDir = Vector2.zero;
if (!boxRect.Overlaps(m_PlayerRect, out m_OveRect))
{
return(false);
}
//场景碰撞盒的四条边
m_SideLines = m_OveRect.boxLines;
#if DRAWDEBUG
m_OveRect.DrawBox(Color.blue);
#endif
float maxValue = m_OveRect.width > m_OveRect.height ? m_OveRect.width : m_OveRect.height;
//检测线段
m_DirLine = new Obstructer.line(m_OveRect.center, m_OveRect.center - dir * (maxValue * 2));
for (int index = 0; index < m_SideLines.Length; index++)
{
if (IsRectCross(m_SideLines[index], m_DirLine))
{
//得到相交矩形的非相交轴的长度
if (index < 2)
{
newDir.y = (dir.y > 0 ? -1 : 1) * (m_OveRect.height + 0.01f);
}
else
{
newDir.x = (dir.x > 0 ? -1 : 1) * (m_OveRect.width + 0.01f);
}
return(true);
}
}
return(false);
}
