any involved sprites in IsoSceneView after each set of tiles is drawn.
Exit the viewer and editor applications on window close.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@133 542714f4-19e9-0310-aa3c-eee0fc999fb1
distance parameters to tile sets. Removed constant tile width/height
references except, for now, for isometric tile rendering which still
requires tiles that are 32x16.
git-svn-id: svn+ssh://src.earth.threerings.net/narya/trunk@130 542714f4-19e9-0310-aa3c-eee0fc999fb1