package buildcraft.core.lib.utils;
import java.util.Iterator;
import java.util.Random;
import net.minecraft.util.MathHelper;
import buildcraft.api.core.BlockIndex;
public class BlockScannerRandom implements Iterable<BlockIndex> {
private Random rand;
private int maxDistance;
class BlockIt implements Iterator<BlockIndex> {
@Override
public boolean hasNext() {
return true;
}
@Override
public BlockIndex next() {
double radius = rand.nextFloat() * maxDistance;
float polarAngle = rand.nextFloat() * 2.0F * (float) Math.PI;
float azimuthAngle = rand.nextFloat() * (float) Math.PI;
int searchX = (int) (radius * MathHelper.cos(polarAngle) * MathHelper.sin(azimuthAngle));
int searchY = (int) (radius * MathHelper.cos(azimuthAngle));
int searchZ = (int) (radius * MathHelper.sin(polarAngle) * MathHelper.sin(azimuthAngle));
return new BlockIndex(searchX, searchY, searchZ);
}
@Override
public void remove() {
}
}
public BlockScannerRandom(Random iRand, int iMaxDistance) {
rand = iRand;
maxDistance = iMaxDistance;
}
@Override
public Iterator<BlockIndex> iterator() {
return new BlockIt();
}
}