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2013-11-28T09:05:26.007
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<p>I think this solution is quite similar to the one given by cape1232, but it's already implemented, so worth checking out :)</p> <p>Follow to this reddit discussion: <a href="http://www.reddit.com/r/gamedev/comments/1dlwc4/procedural_dungeon_generation_algorithm_explained/" rel="noreferrer">http://www.reddit.com/r/gamedev/comments/1dlwc4/procedural_dungeon_generation_algorithm_explained/</a> and check out the description and implementation. There's no source code available, so here's my approach to this problem in AS3 (works exactly the same, but keeps rectangles snapped to grid's resolution):</p> <pre><code>public class RoomSeparator extends AbstractAction { public function RoomSeparator(name:String = "Room Separator") { super(name); } override public function get finished():Boolean { return _step == 1; } override public function step():void { const repelDecayCoefficient:Number = 1.0; _step = 1; var count:int = _activeRoomContainer.children.length; for(var i:int = 0; i < count; i++) { var room:Room = _activeRoomContainer.children[i]; var center:Vector3D = new Vector3D(room.x + room.width / 2, room.y + room.height / 2); var velocity:Vector3D = new Vector3D(); for(var j:int = 0; j < count; j++) { if(i == j) continue; var otherRoom:Room = _activeRoomContainer.children[j]; var intersection:Rectangle = GeomUtil.rectangleIntersection(room.createRectangle(), otherRoom.createRectangle()); if(intersection == null || intersection.width == 0 || intersection.height == 0) continue; var otherCenter:Vector3D = new Vector3D(otherRoom.x + otherRoom.width / 2, otherRoom.y + otherRoom.height / 2); var diff:Vector3D = center.subtract(otherCenter); if(diff.length > 0) { var scale:Number = repelDecayCoefficient / diff.lengthSquared; diff.normalize(); diff.scaleBy(scale); velocity = velocity.add(diff); } } if(velocity.length > 0) { _step = 0; velocity.normalize(); room.x += Math.abs(velocity.x) < 0.5 ? 0 : velocity.x > 0 ? _resolution : -_resolution; room.y += Math.abs(velocity.y) < 0.5 ? 0 : velocity.y > 0 ? _resolution : -_resolution; } } } } </code></pre>
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