Physics

Adds to this object's velocity, pushing it in a direction.

The values are added straight to the velocity in pixels per second (there is no mass), so one run works like an impulse and running it every frame works like acceleration. Needs a Rigidbody that is not kinematic; negative y pushes up.

True when this object is standing on top of a solid collider.

The physics step sets it when a non-kinematic Rigidbody lands on something and is pushed back up. It updates once per frame, after scripts run, so scripts see the result of the previous frame. Triggers do not count.

Example Only allow a jump when Is Grounded? is true.

Sets an object's upward speed instantly, for springs, stomp bounces and knock-backs.

Replaces the vertical velocity and keeps the sideways one. The target needs a Rigidbody that is not kinematic to actually move (Platformer controls turns one on). At gravity scale 1, a speed of 600 rises about 150 pixels.

Example On a spring's On Trigger Enter, launch Player with 900.

Gives this object platformer controls: run with the arrows or A and D, jump with Space, Up, W or Z.

Use it in On Update on an object with a Collider; it turns on the Rigidbody. Includes coyote time, jump buffering, shorter hops when the jump key is let go early and riding moving platforms. Plays Idle/Run/Jump/Fall clips when present and mirrors the sprite when running left.

Turns this object's collider on or off.

With the collider off, the object goes through everything and fires no collision or trigger events. Clicks on it still work.

Sets how strongly gravity pulls this object.

Gravity pulls down at 1200 pixels per second squared, multiplied by this value. Only affects objects with a Rigidbody that is not kinematic.

Makes this object kinematic, or lets physics move it again.

A kinematic object ignores gravity and its velocity and is never pushed by collisions, but it still blocks other objects. Move it with Motion blocks, for example for moving platforms.

Sets this object's velocity in pixels per second.

Needs a Rigidbody that is not kinematic. y grows downward, so negative y moves up, and gravity keeps adding to y every frame. Hitting a solid collider resets the blocked axis to 0.