//判断该Tile 四个Corner的地形属性是否为Solid
public bool IsCornerFree(int x, int y, FloatRect.CornerLabel corner)
{
switch (corner)
{
case FloatRect.CornerLabel.A:
return(!this.GetTile(x - 1, y).Solid&& !this.GetTile(x - 1, y + 1).Solid&& !this.GetTile(x, y + 1).Solid);
case FloatRect.CornerLabel.B:
return(!this.GetTile(x + 1, y).Solid&& !this.GetTile(x + 1, y + 1).Solid&& !this.GetTile(x, y + 1).Solid);
case FloatRect.CornerLabel.C:
return(!this.GetTile(x + 1, y).Solid&& !this.GetTile(x + 1, y - 1).Solid&& !this.GetTile(x, y - 1).Solid);
case FloatRect.CornerLabel.D:
return(!this.GetTile(x - 1, y).Solid&& !this.GetTile(x - 1, y - 1).Solid&& !this.GetTile(x, y - 1).Solid);
default:
return(false);
}
}
public Vector2 pos; //位置
public Corner(FloatRect.CornerLabel dir, Vector2 pos)
{
this.dir = dir;
this.pos = pos;
}