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package net.anzix.fsz.voxelworld.features;
import com.ardor3d.math.Vector3;
import com.ardor3d.math.type.ReadOnlyVector3;
import net.anzix.fsz.voxelworld.BasicFeature;
import net.anzix.fsz.voxelworld.DetailLevel;
import net.anzix.fsz.voxelworld.FszMatrix4;
import net.anzix.fsz.voxelworld.layers.LayerBlock;
/**
*
* @author kovacsandras
*/
public class Box extends BasicFeature{
public Box( FszMatrix4 position, double sizeX, double sizeY, double sizeZ) {
this.halfSizeX = sizeX / 2.0;
this.halfSizeY = sizeY / 2.0;
this.halfSizeZ = sizeZ / 2.0;
this.transform = new FszMatrix4();
position.invert(transform);
}
private double halfSizeX;
private double halfSizeY;
private double halfSizeZ;
private final FszMatrix4 transform;
public float getDensity(final ReadOnlyVector3 p, LayerBlock layerBlock, int x, int y, int z, DetailLevel level ) {
Vector3 pp = transform.applyPost(p, null);
double fx = Math.abs(pp.getX() / halfSizeX);
double fy = Math.abs(pp.getY() / halfSizeY);
double fz = Math.abs(pp.getZ() / halfSizeZ);
double f = fx > fy ? ( fx > fz ? 1.0 - fx : 1.0 - fz )
: ( fy > fz ? 1.0 - fy : 1.0 - fz );
return (float)f;
}
}