Added snap-to spots to the ground, see https://github.com/phetsims/energy-forms-and-changes/issues/72
Added snap-to spots to the ground, see https://github.com/phetsims/energy-forms-and-changes/issues/72

phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes,phetsims/energy-forms-and-changes