Questions tagged [physics]
Relating to the motion of objects through space and time. Including concepts such as acceleration (thrust and gravity), mass, collision response, friction and more.
2,456 questions
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Decelerating player's momentum without changing direction
I'm adding deceleration to my player character, decreasing their velocity over time when the player releases the direction keys.
With the code below, at non-perfect angles, the character seems to re-...
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Active ragdoll in Godot 4.5: how to achieve good results?
I'm working on a 2.5D game in Godot 4.5 that uses skeletal animation + ragdoll physics.
I'm really happy with how the full ragdoll mode behaves, but I can't get anything close to a good active ragdoll ...
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How are deltatime overshoots typically dealt with--or are they dealt with at all?
So I was implementing deltatime adjustment into a game when I thought of this problem. Consider a control case, with no adjustment for framerate:
Here, our character jumps up to a max height of 12.5 ...
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When should an object with a collider have a rigidbody?
I had some questions about Physics / Rigidbody in Unity.
I have a 2D sprite with a collider. The 2D sprite is simply a card that I place on a table with the mouse. I use the collider for raycasting (...
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How to detect which physics body of skeletal mesh has overlapped?
I have a skeletal mesh with a Physics Asset assigned to it as such:
This skeletal mesh is used within an ACharacter with collision settings as such:
And an actor which has the overlap event as such:
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Changing prediction to interpolation on client connected to the authoritative server
Let's assume the following situation:
I have a server, that sends a snapshot of current game state to all the clients at a fixed time. Server is authoritative, all the physic calculations are done on ...
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How do you setup a ramp with an existing tile-set in Unity?
(Beginner questions)
How do you setup the ramp with the tiles in unity?
The graphics and the behavior?
I've been checking this free tileset:
In the image it has connected ramps
I cannot seem to get ...
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how to implement the vines in animal well
the vines in animal well display pixel perfect deformation when the pc moves through them. they also display rope physics but do not appear to be implemented by jointed segments of physics rigidbodies ...
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Should physics substepping include the entire update or only collision resolution + constraint resolving?
I'm working on a simple physics simulation and I want to use substeps to improve stability. I’m unsure whether I should apply substeps to the entire physics update or just to collision resolution.
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Best way to sync PhysicalObj to player headset position?
I’m in the process of designing a threejs-based webxr engine for simple VR games. Right now, I’m working on implementing physics with cannon-es, but I’m struggling to figure out how to sync the player’...
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Train simulator - approach to cars movement
I'm prototyping a train simulator and running into design issues with physics and train car movement. The scope is similar to games like Run8, SimRail, or Derail Valley.
Requirements:
Realistic train ...
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How to instantly stop when moving the character with AddForce?
I made character movement using AddForce. But I don't understand how to get the desired effect. I need that when I release a movement key (for example WASD) the ...
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How to conserve momentum in Unity?
I tend to use a lot of 2D physics based (rigid-body based) character movement in Unity, and despite lots of tweaking, I can never seem to use conservation of momentum.
I’d have to manually program in ...
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How to propagate linear/angular momentum to parts when a 2D tile-based ship is broken into pieces?
I have been working on a project in the Godot engine about creating tile based spaceships. It works great and I find it very interesting. My biggest issue though is correctly simulating disconnections,...
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Lerping Time.timeScale causes laggy physics
I am using unity as my game development platform. I was trying to create script that could interpolate time scale to achieve a flurry rush.
The code below is my attempt:
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