Water Project

package com.robin.water.data
{
    import flash.geom.Vector3D;

    public class WaterSimulator
    {
        private var blocks:SpatialDB;

        private var bucket:Array; // Will hold all locations of water
        public function WaterSimulator(blocks:SpatialDB)
        {
            this.blocks = blocks;

            bucket = new Array();
        }

        public function addWater(tile:Vector3D):void {
            var i:uint = 0;
            var inBucket:Boolean = false;
            while(i < bucket.length) {
                if(tile.equals(bucket[i])) {
                    inBucket = true;
                    break;
                }

                i++;
            }

            if(!inBucket) {
                bucket.push(tile);
                blocks.changeTile(tile.x,tile.z,tile.y,9);
            }

        }


        public function step():void {
            var counter:int = bucket.length-1;

            while(counter >= 0) {
                var loc:Vector3D = bucket[counter];

                if(blocks.getTile(loc.x, loc.z, loc.y - 1) == 0 || blocks.getTile(loc.x, loc.z, loc.y - 1) >= 4) {
                    addWater(new Vector3D(loc.x, loc.y - 1, loc.z));
                }


                if(blocks.getTile(loc.x, loc.z, loc.y - 1) == 1) {
                    if(blocks.getTile(loc.x-1, loc.z, loc.y) == 0)
                        addWater(new Vector3D(loc.x-1, loc.y, loc.z));
                    if(blocks.getTile(loc.x+1, loc.z, loc.y) == 0)
                        addWater(new Vector3D(loc.x+1, loc.y, loc.z));
                    if(blocks.getTile(loc.x, loc.z-1, loc.y) == 0)
                        addWater(new Vector3D(loc.x, loc.y, loc.z-1));
                    if(blocks.getTile(loc.x, loc.z+1, loc.y) == 0)
                        addWater(new Vector3D(loc.x, loc.y, loc.z+1));
                }



                counter--;
            }// While
        }


    }
}