It will also use continuous collision detection against static Colliders (without a Rigidbody). Use sweep-based continuous collision detection against GameOjects set to Continuous and Continuous Dynamic collision. (This has a big impact on physics performance, leave it set to Discrete, if you don’t have issues with collisions of fast objects) Used for objects which the Continuous Dynamic detection needs to collide with. Other rigidbodies will use Discrete Collision detection. Rigidbodies set to Continuous Dynamic will use continuous collision detection when testing for collision against this rigidbody. More info See in Glossary against static Colliders (without a Rigidbody). This can prevent fast-moving objects from tunnelling through walls during a simulation step. Use Discrete collision detection against dynamic Colliders (with a Rigidbody) and sweep-based continuous collision detection A collision detection method that calculates and resolves collisions over the entire physics simulation step. Used for normal collisions (This is the default value). Other colliders will use discrete collision detection when testing for collision against it. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. Think of each unique Scene file as a unique level. Use discrete collision detection against all other Colliders in the Scene A Scene contains the environments and menus of your game. Used to prevent fast moving objects from passing through other objects without detecting collisions A collision occurs when the physics engine detects that the colliders of two GameObjects make contact or overlap, when at least one has a Rigidbody component and is in motion. Transform is smoothed based on the estimated Transform of the next frame.Ĭollision Detection An automatic process performed by Unity which determines whether a moving GameObject with a Rigidbody and collider component has come into contact with any other colliders. Used in animation, physics and multiplayer. Extrapolate The process of storing the last few known values and using them to predict future values. Transform is smoothed based on the Transform of the previous frame. Try one of the options only if you are seeing jerkiness in your Rigidbody’s movement. Used in animation (between keyframes), physics (between physics time-steps), and multiplayer (between network updates) See in Glossary
Interpolate The process of calculating values in-between two defined values. This is useful for moving platforms or if you want to animate a Rigidbody that has a HingeJoint attached. If enabled, the object will not be driven by the physics engine, and can only be manipulated by its Transform.
If enabled, the object is affected by gravity. Note that you cannot make the object stop rotating just by setting its Angular Drag to infinity. How much air resistance affects the object when rotating from torque. 0 means no air resistance, and infinity makes the object stop moving immediately. How much air resistance affects the object when moving from forces. The mass of the object (in kilograms by default). Any GameObject must contain a Rigidbody to be influenced by gravity, act under added forces via scripting, or interact with other objects through the NVIDIA PhysX physics engine A system that simulates aspects of physical systems so that objects can accelerate correctly and be affected by collisions, gravity and other forces. The Rigidbody can receive forces and torque to make your objects move in a realistic way. More info See in Glossary to act under the control of physics. A GameObject’s functionality is defined by the Components attached to it. Rigidbodies enable your GameObjects The fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more.
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