Tweak the rover shape.

Author: D8H

examples/3d-endless-terrain/3d-endless-terrain.json

@@ -275,7 +275,7 @@
               "shapeOrientation": "Z",
               "shapeDimensionA": 74,
               "shapeDimensionB": 65,
-              "shapeDimensionC": 47,
+              "shapeDimensionC": 40,
               "density": 1,
               "friction": 10,
               "restitution": 0.5,
@@ -286,7 +286,7 @@
               "masks": 17,
               "shapeOffsetX": 0,
               "shapeOffsetY": 0,
-              "shapeOffsetZ": 6,
+              "shapeOffsetZ": 2,
               "massCenterOffsetX": 0,
               "massCenterOffsetY": 0,
               "massCenterOffsetZ": -25,