Add properties for gears and wheels.

Author: D8H

examples/3d-car-coin-hunt/3d-car-coin-hunt.json

@@ -1756,9 +1756,9 @@
               "shapeOrientation": "Z",
               "shapeDimensionA": 74,
               "shapeDimensionB": 39,
-              "shapeDimensionC": 22,
+              "shapeDimensionC": 27,
               "density": 1,
-              "friction": 2,
+              "friction": 6,
               "restitution": 0.5,
               "linearDamping": 0.1,
               "angularDamping": 0.1,
@@ -1770,17 +1770,31 @@
               "shapeOffsetZ": 6,
               "massCenterOffsetX": 0,
               "massCenterOffsetY": 0,
-              "massCenterOffsetZ": -30
+              "massCenterOffsetZ": -25
             },
             {
               "name": "PhysicsVehicle3D",
               "type": "Physics3D::PhysicsVehicle3D",
               "physics3D": "Physics3D",
               "steerAngleMax": 70,
-              "beginningSteerAngularVelocity": 70,
-              "endSteerAngularVelocity": 5,
+              "beginningSteerSpeed": 140,
+              "endSteerSpeed": 10,
               "mass": 1500,
-              "engineTorqueMax": 4500
+              "engineTorqueMax": 4500,
+              "engineSpeedMax": 6000,
+              "reverseGearRatio1": -2.9,
+              "gearRatio1": 2.66,
+              "gearRatio2": 1.78,
+              "gearRatio3": 1.3,
+              "gearRatio4": 1,
+              "gearRatio5": 0.74,
+              "gearRatio6": 0,
+              "backWheelOffsetX": 0,
+              "frontWheelOffsetX": 0,
+              "wheelOffsetY": 0,
+              "wheelOffsetZ": 0,
+              "wheelRadius": 6,
+              "wheelWidth": 3
             },
             {
               "name": "ThirdPersonCamera",
@@ -2262,7 +2276,7 @@
               "masks": 17,
               "shapeOffsetX": 0,
               "shapeOffsetY": 0,
-              "shapeOffsetZ": 10,
+              "shapeOffsetZ": 8,
               "massCenterOffsetX": 0,
               "massCenterOffsetY": 0,
               "massCenterOffsetZ": 0