private int getObjectNodeID(GameObject obj)
{
//Lấy bounding box của obj
MyRECT rectObject = obj.getBoundingBoxInWorldAxis();
MyRECT rectLT = this.NodeLT.getBoundingBox();
MyRECT rectRT = this.NodeRT.getBoundingBox();
MyRECT rectLB = this.NodeLB.getBoundingBox();
MyRECT rectRB = this.NodeRB.getBoundingBox();
//Kiểm tra xem Object có nằm trọn trong node phần tư nào
if (rectLT.Contains(rectObject))
{
return(1);
}
else if (rectRT.Contains(rectObject))
{
return(2);
}
else if (rectLB.Contains(rectObject))
{
return(3);
}
else if (rectRB.Contains(rectObject))
{
return(4);
}
else //Nếu Object nằm ở nhiều node
{
int id = 0;
if (rectObject.Intersects(rectLT))
{
id = 1;
}
if (rectObject.Intersects(rectRT))
{
id = id * 10 + 2;
}
if (rectObject.Intersects(rectLB))
{
id = id * 10 + 3;
}
if (rectObject.Intersects(rectRB))
{
id = id * 10 + 4;
}
return(id);
}
}
public GameObject(int left, int top, int right, int bottom, MyRECT moveRect, EObjectID objID, int posX = 0, int posY = 0)
{
mLeft = left;
mTop = top;
mRight = right;
mBottom = bottom;
mObjID = objID;
mPositionX = posX;
mPositionY = posY;
MStairLayer = 0;
this.mMoveRect = moveRect;
}
public GameObject(int left, int top, int right, int bottom, EObjectID objID, int posX = 0, int posY = 0, int stairLayer = 0, int stairLayerCh1 = 0)
{
mLeft = left;
mTop = top;
mRight = right;
mBottom = bottom;
mObjID = objID;
mPositionX = posX;
mPositionY = posY;
mStairLayer = stairLayer;
mStairLayerChangeFr = stairLayer;
MStairLayerChangeTo = stairLayerCh1;
this.mMoveRect = new MyRECT(0, 0, 0, 0);
}
//Kiểm tra xem hcn rect có giao với hcn this không
public bool Intersects(MyRECT rect)
{
return(!(this.mLeft > rect.mRight || this.mRight < rect.mLeft || this.mTop < rect.mBottom || this.mBottom > rect.mTop));
}
//Kiểm tra xem hcn rect có nằm trong hcn this không
public bool Contains(MyRECT rect)
{
return((mLeft <= rect.mLeft) && (mRight >= rect.MRight) && (mTop >= rect.mTop) && (rect.mBottom >= mBottom));
}
