class documentation - a shitload of it

app/src/main/java/chess/view/DDDrender/DDDPlacement.java

@@ -4,7 +4,10 @@ import org.joml.Vector2f;
 
 import chess.model.Coordinate;
 
-class DDDPlacement {
+/**
+ * Helper functions to convert from 2D to 3D coordinates systems.
+ */
+public class DDDPlacement {
 	public static Vector2f coordinatesToVector(Coordinate coo) {
 		return coordinatesToVector(coo.getX(), coo.getY());
 	}