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.
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Collision normal for sphere near edge of triangle face
When my sphere (or bottom part of a capsule) moves with its bottom near the edge of a mostly horizontal triangle (a face of a heightmap), I am sometimes getting very bad (mostly horizontal) normals. ...
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Unity Engine Movement Script Causes Shark To Fly
This code is for controlling a shark
I want to have continuous collision detection which won't work with MovePosition so I tried changing it other options but those are making the Shark Fly
Why does ...
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3D CharacterController ride moving platforms in Unity?
I have a player controller script that I'm writing that uses the CharacterController component to move around and handle collisions. I've been able to implement ...
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Aircraft simulation
Trying to get a "semi" realistic aircraft simulator. I'm pulling my hair out because I just can't get the math right. I'm not looking for super realistic but want to at least get some ...
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Move physics capsule at same acceleration regardless of surface slope
Into:
I'm trying to move a capsule up/down a slope accelerating at the same rate as a capsule on a flat surface. I cannot set the velocity directly, because there will be many more forces affecting ...
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Source Engine - Strange factors in acceleration equation
I was going through the player movement code for the source engine when I stumbled upon the following function:
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How do I simulate the forces acting on this hydraulic system?
I've been trying to create an algorithm to simulate a specific hydraulic suspension system for animating a car rig. Below are the schematics for the hydraulic system:
All same-color lines are ...
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Maths behind Unity rigidbody.AddForce
I've tried to understand the Maths behind AddForce, as to reproduce it using rigidbody.velocity +=.
Based on the formulas ...
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Character movement on irregular surface in Unity
I'm currently implementing a system in Unity where I generate an approximation of a blood cell and treat it as a planetoid, as if you're playing Super Mario Galaxy, and you're running around the ...
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Object stuck against an obstacle still pushes other objects away
I have an object pinned against the ground by a revolute joint. A motor on the joint makes the object spin. Sometimes the object becomes stuck pushing against a static body. When it happens the object ...
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How can I make this motion collide against a wall
EDIT
I've actually commented out the motion in my code and adapted it to try reproduce this post.After a chat with @DMGregory he told me to use velocity reflection but as you can see in the following ...
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how can I normalize the speed of a polygon moving over a series of connected quadratic bezier curves with varying lengths?
I am generating a bunch of quadratic curves that are connected together, creating an array of curves, and a function which returns the position on the curve for a given time.
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How can I allow the rope to correctly interact with Box and Polygon colliders?
In order to build 2d rope physics in my game, I download the github project from Jongallant in this link. In my game, I want the rope to collide with objects with different types of colliders such as ...
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How to connect a UPhysicsConstraintComponent of an AActor to an FKSphylElem (capsule body) of a ragdoll?
I'm trying to connect an Actor's UPhysicsConstraintComponent to a capsule body of a ragdoll. The reason I do it this way, instead of just using sockets on the ...
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How to make a catapult work with physics and colliders?
This should be my final question regarding getting a catapult to throw something in unity. On my last question, someone suggested starting with something simpler (which I apologize for not doing ...
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