diff options
Diffstat (limited to 'doc/classes/VehicleBody.xml')
-rw-r--r-- | doc/classes/VehicleBody.xml | 15 |
1 files changed, 8 insertions, 7 deletions
diff --git a/doc/classes/VehicleBody.xml b/doc/classes/VehicleBody.xml index ab821aafdc..956144b54c 100644 --- a/doc/classes/VehicleBody.xml +++ b/doc/classes/VehicleBody.xml @@ -1,25 +1,26 @@ <?xml version="1.0" encoding="UTF-8" ?> <class name="VehicleBody" inherits="RigidBody" category="Core" version="3.2"> <brief_description> - Physics body that simulates the behaviour of a car. + Physics body that simulates the behavior 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. + This node 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. + [b]Note:[/b] 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> <methods> </methods> <members> - <member name="brake" type="float" setter="set_brake" getter="get_brake"> + <member name="brake" type="float" setter="set_brake" getter="get_brake" default="0.0"> 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.use_as_traction] set to [code]true[/code] 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. + <member name="engine_force" type="float" setter="set_engine_force" getter="get_engine_force" default="0.0"> + Accelerates the vehicle by applying an engine force. The vehicle is only speed up if the wheels that have [member VehicleWheel.use_as_traction] set to [code]true[/code] 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. + [b]Note:[/b] 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"> + <member name="steering" type="float" setter="set_steering" getter="get_steering" default="0.0"> 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.use_as_steering] set to [code]true[/code] will automatically be rotated. </member> </members> |