public Spatial scale(float x, float y, float z) {
        this.localTransform.getScale().multLocal(x, y, z);
        setTransformRefresh();

        return this;
    }
Scales the spatial by the given scale vector.

@param x the scaling factor to apply to the X axis
@param y the scaling factor to apply to the Y axis
@param z the scaling factor to apply to the Z axis
@return The spatial on which this method is called, e.g <code>this</code>.
jme3-core/src/main/java/com/jme3/scene/Spatial.java