diff options
Diffstat (limited to 'doc/classes/RigidBody2D.xml')
| -rw-r--r-- | doc/classes/RigidBody2D.xml | 27 |
1 files changed, 23 insertions, 4 deletions
diff --git a/doc/classes/RigidBody2D.xml b/doc/classes/RigidBody2D.xml index e92c417323..a4faa697de 100644 --- a/doc/classes/RigidBody2D.xml +++ b/doc/classes/RigidBody2D.xml @@ -1,12 +1,14 @@ <?xml version="1.0" encoding="UTF-8" ?> <class name="RigidBody2D" inherits="PhysicsBody2D" category="Core" version="3.0.alpha.custom_build"> <brief_description> - Rigid body 2D node. + Physics Body whose position is determined through physics simulation in 2D space. </brief_description> <description> - Rigid body 2D node. This node is used for placing rigid bodies in the scene. It can contain a number of shapes, and also shift state between regular Rigid body, Kinematic, Character or Static. - Character mode forbids the node from being rotated. This node can have a custom force integrator function, for writing complex physics motion behavior per node. - As a warning, don't change this node position every frame or very often. Sporadic changes work fine, but physics runs at a different granularity (fixed hz) than usual rendering (process callback) and maybe even in a separate thread, so changing this from a process loop will yield strange behavior. + This is the node that implements full 2D physics. This means that you do not control a RigidBody2D directly. Instead you can apply forces to it (gravity, impulses, etc.), and the physics simulation will calculate the resulting movement, collision, bouncing, rotating, etc. + This node can use custom force integration, for writing complex physics motion behavior per node. + This node can shift state between regular Rigid body, Kinematic, Character or Static. + Character mode forbids this node from being rotated. + As a warning, don't change RigidBody2D's position every frame or very often. Sporadic changes work fine, but physics runs at a different granularity (fixed hz) than usual rendering (process callback) and maybe even in a separate thread, so changing this from a process loop will yield strange behavior. </description> <tutorials> </tutorials> @@ -382,36 +384,53 @@ </methods> <members> <member name="angular_damp" type="float" setter="set_angular_damp" getter="get_angular_damp"> + Damps RigidBody2D's rotational forces. </member> <member name="angular_velocity" type="float" setter="set_angular_velocity" getter="get_angular_velocity"> + RigidBody2D's rotational velocity. </member> <member name="bounce" type="float" setter="set_bounce" getter="get_bounce"> + RigidBody2D's bounciness. </member> <member name="can_sleep" type="bool" setter="set_can_sleep" getter="is_able_to_sleep"> + If [code]true[/code] RigidBody2D will not calculate forces and will act as a static body while there is no movement. It will wake up when other forces are applied through other collisions or when the [code]apply_impulse[/code] method is used. Default value: [code]true[/code] </member> <member name="contact_monitor" type="bool" setter="set_contact_monitor" getter="is_contact_monitor_enabled"> + If [code]true[/code] RigidBody2D will emit signals when it collides with another RigidBody2D. </member> <member name="contacts_reported" type="int" setter="set_max_contacts_reported" getter="get_max_contacts_reported"> + The maximum contacts to report. Bodies can keep a log of the contacts with other bodies, this is enabled by setting the maximum amount of contacts reported to a number greater than 0. </member> <member name="continuous_cd" type="int" setter="set_continuous_collision_detection_mode" getter="get_continuous_collision_detection_mode" enum="RigidBody2D.CCDMode"> + If [code]true[/code] continuous collision detection is used. Default value: [code]false[/code] + Continuous collision detection tries to predict where a moving body will collide, instead of moving it and correcting its movement if it collided. Continuous collision detection is more precise, and misses less impacts by small, fast-moving objects. Not using continuous collision detection is faster to compute, but can miss small, fast-moving objects. </member> <member name="custom_integrator" type="bool" setter="set_use_custom_integrator" getter="is_using_custom_integrator"> + If [code]true[/code] internal force integration will be disabled (like gravity or air friction) for this body. Other than collision response, the body will only move as determined by the [method _integrate_forces] function, if defined. </member> <member name="friction" type="float" setter="set_friction" getter="get_friction"> + The body friction, from 0 (frictionless) to 1 (max friction). </member> <member name="gravity_scale" type="float" setter="set_gravity_scale" getter="get_gravity_scale"> + This is multiplied by the global 2D gravity setting found in "Project > Project Settings > Physics > 2d" to produce RigidBody2D's gravity. E.g. a value of 1 will be normal gravity, 2 will apply double gravity, and 0.5 will apply half gravity to this object. </member> <member name="linear_damp" type="float" setter="set_linear_damp" getter="get_linear_damp"> + RigidBody2D's linear damp. Default of -1, cannot be less than -1. If this value is different from -1, any linear damp derived from the world or areas will be overridden. </member> <member name="linear_velocity" type="Vector2" setter="set_linear_velocity" getter="get_linear_velocity"> + RigidBody2D's linear velocity. Can be used sporadically, but [b]DON'T SET THIS IN EVERY FRAME[/b], because physics may run in another thread and runs at a different granularity. Use [method _integrate_forces] as your process loop for precise control of the body state. </member> <member name="mass" type="float" setter="set_mass" getter="get_mass"> + RigidBody2D's mass. </member> <member name="mode" type="int" setter="set_mode" getter="get_mode" enum="RigidBody2D.Mode"> + The body mode from the MODE_* enum. Modes include: MODE_STATIC, MODE_KINEMATIC, MODE_RIGID, and MODE_CHARACTER. </member> <member name="sleeping" type="bool" setter="set_sleeping" getter="is_sleeping"> + If [code]true[/code] RigidBody2D is sleeping and will not calculate forces until woken up by a collision or the [code]apply_impulse[/code] method. </member> <member name="weight" type="float" setter="set_weight" getter="get_weight"> + RigidBody2D's weight based on its mass and the global 2D gravity. Global values are set in "Project > Project Settings > Physics > 2d". </member> </members> <signals> |