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Diffstat (limited to 'doc/classes/VehicleBody.xml')
| -rw-r--r-- | doc/classes/VehicleBody.xml | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/doc/classes/VehicleBody.xml b/doc/classes/VehicleBody.xml index 01d1cfb40b..3ce0cadde9 100644 --- a/doc/classes/VehicleBody.xml +++ b/doc/classes/VehicleBody.xml @@ -1,8 +1,11 @@ <?xml version="1.0" encoding="UTF-8" ?> -<class name="VehicleBody" inherits="RigidBody" category="Core" version="3.0-rc1"> +<class name="VehicleBody" inherits="RigidBody" category="Core" version="3.1"> <brief_description> + Physics body that simulates the behaviour of a car. </brief_description> <description> + This nodes implements all the physics logic needed to simulate a car. It is based on the raycast vehicle system commonly found in physics engines. You will need to add a [CollisionShape] for the main body of your vehicle and add [VehicleWheel] nodes for the wheels. You should also add a [MeshInstance] to this node for the 3D model of your car but this model should not include meshes for the wheels. You should control the vehicle by using the [member brake], [member engine_force], and [member steering] properties and not change the position or orientation of this node directly. + Note that the origin point of your VehicleBody will determine the center of gravity of your vehicle so it is better to keep this low and move the [CollisionShape] and [MeshInstance] upwards. </description> <tutorials> </tutorials> @@ -12,10 +15,14 @@ </methods> <members> <member name="brake" type="float" setter="set_brake" getter="get_brake"> + Slows down the vehicle by applying a braking force. The vehicle is only slowed down if the wheels are in contact with a surface. The force you need to apply to adequately slow down your vehicle depends on the [member RigidBody.mass] of the vehicle. For a vehicle with a mass set to 1000, try a value in the 25 - 30 range for hard braking. </member> <member name="engine_force" type="float" setter="set_engine_force" getter="get_engine_force"> + Accelerates the vehicle by applying an engine force. The vehicle is only speed up if the wheels that have [member VehicleWheel.set_use_as_traction] set to true and are in contact with a surface. The [member RigidBody.mass] of the vehicle has an effect on the acceleration of the vehicle. For a vehicle with a mass set to 1000, try a value in the 25 - 50 range for acceleration. Note that the simulation does not take the effect of gears into account, you will need to add logic for this if you wish to simulate gears. + A negative value will result in the vehicle reversing. </member> <member name="steering" type="float" setter="set_steering" getter="get_steering"> + The steering angle for the vehicle. Setting this to a non-zero value will result in the vehicle turning when it's moving. Wheels that have [member VehicleWheel.set_use_as_steering] set to true will automatically be rotated. </member> </members> <constants> |