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Entity1037
Entity1037 wrote ...

2014/11/11

Having problems with instanceof.

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Entity1037 Entity1037

2014/11/14

#
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public boolean collide(int x, int y, Object obj){
         
        if (obj instanceof TileType){
            TileType type = World.getTheTileTypeAt(x,y,(TileType) obj);
            if (type!=null){
                return true;
            }
        }else{
            if (World.getOneActorAt(x,y,obj)!=null){
                return true;
            }
        }
         
        return false;
}
Entity1037 Entity1037

2014/11/14

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danpost danpost

2014/11/14

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That is exactly what I meant when I said:
danpost wrote...
-- or you should check for 'TileType' first and use 'else'.
The method can be written quite oddly like this:
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public boolean collide(int x, int y, Object obj) {
    return (obj instanceof TileType && World.getTheTileTypeAt(x, y, (TileType)obj) != null) || (!(obj instanceof TileType) && World.getOneActorAt(x, y, obj) != null);
}
Entity1037 Entity1037

2014/11/14

#
Oh yeah, it can! Cool!! Thanks!!!
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