void setVerticalAlignment(BitmapFont.VAlign alignment) {
        this.vAlignment = alignment;
    }
@param text the text that the StringBlock will hold
@param textBox the rectangle that constrains the text
@param alignment the initial alignment of the text
@param size the size in pixels (vertical size of a single line)
@param color the initial color of the text
@param kerning
jme3-core/src/main/java/com/jme3/font/StringBlock.java