Questions tagged [rigidbody]
In game development, a rigidbody is usually referred to anything that is affected by physics.
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How do I get the player to collide with another object to use as a boundary?
I'm trying to make a simple game where you move a sphere from left/right and try to avoid falling cubes. If a cube touches the player (sphere), the player dies. I'm trying to set up boundaries using a ...
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Rigidbody appears to jitter when placed as a sibling to a First Person camera
In my game, the Player can pick up an object (which gets parented to the first-person camera), or the player can push an object (which is parented to the player, but not their first-person camera). ...
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1answer
12 views
Unity 2d circle collider not stopping after collision with box collider 2d
I'm using unity circle collider 2d and rigid body 2d but when it hits the box it doesn't stop there but instead just pass through and fall. Can someone help?
Circle Collider and rigid body 2d setting
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How do I stop my game character from sliding on the ground?
I am working with the latest version of Unity (2019.3.4f1) at the time of writing.
I have some terrain, some blocks as obstacles and a player character with some mouse driven motion controls. You ...
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1answer
38 views
When setting Rigidbody.isKinematic true collider won't work anymore
I have a rigged 2D character and used Collider2D/Rigidbody2D/HingeJoint2D to body parts to implement ragdoll.
It works fine, but I needed to run ragdoll physics only when character is dead. So I made ...
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2answers
101 views
Is it possible to detect a collision between a sprite and a UI image in Unity?
I have a stationary sprite with the tag "Player" with a Rigidbody2D (dynamic body type and discrete collision detection) and circle collider 2D.
I also have a moving UI image; also with a Rigidbody2D ...
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2answers
48 views
How to calculate the post Rigidbody2D velocity vector before applying a specific force in Unity?
I am trying to implement a space rocket in 2D. Whenever the player presses a button, a constant force (Both vertical and horizontal) is being added to that rocket. What I want to add is a maximum ...
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1answer
131 views
Can a GameObject be both 2D and 3D?
In all Unity games I saw so far, every object is either 2D (with RigidBody2D and Collider2D components), or 3D (with RigidBody and Collider components). This makes sense, but I wonder if there is any ...
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1answer
75 views
I need an analytic formula for 3 arms inverse kinematics system
I need an Analytic formula for 3 arms IK system_. I'm currently using Fabrik and CCD solutions but I'm facing low-performance and accuracy issues. So now I'm looking for an Analytic formula.
I'm ...
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2answers
90 views
Why does my first person camera attached to a rigid body vibrates?
I'm trying to make a first-person character with a rigid body. I need a rigid body because I want to add areas where the gravity comes from different directions so I also need to rotate the character ...
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1answer
45 views
Vertical push doesn't let the object fall down instantly [UNITY]
An object (Wall) is continuously moving forward on the X axis with a simple script:
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2answers
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Unity: RigidBody2D, Trying to Set rb;
So for Unity I've been trying to to do the code line public RigidBody2D rb;
I've followed the gmetrix unity programming course and they do that just fine with the ...
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18 views
Circle Collider Vibrates on Edge Collider
I am making a game (kind of bricks) and using edge collider objects as world bounds collider. I am increasing count of balls on each iteration, after 5 balls, balls start to vibrate when they contact ...
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2answers
76 views
Ensuring dash toward mouse position is always a consistent distance
I'm making a 2D game where the player character should dash toward the mouse position when the player clicks, but the dash is currently not a consistent distance each time.
Let's say you put the ...
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0answers
43 views
Elastic Collisions in Unity 2D
I am trying to create elastic collisions in 2d game in unity. I have a ball surrounded with a polygon collider and im calculating the reflected vector using the ball velocity and the normal at the ...
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47 views
Applying movement to a Rigid Body Isometric in Unity 3D
I'm making an isometric dungeon crawler. I initially used transform to get isometric movement and things worked well, but I couldn't use collision which meant it was unsuitable. So I'm now trying to ...
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2answers
39 views
How do I tag an empty space for an 'InAir' Boolean?
I've been working with my game's settings to get the perfect jump height, gravity and movement that suits the player, however my problem is my player essentially floats back down to the ground, when I ...
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1answer
29 views
body_entered signal won't emit when rigidbody collided to rigidbody
I have multiple rigidbody object floating away in the space. When they hit each other, they push away each. I want to destroy object if they hit something, but connect body_entered signal won't ...
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1answer
31 views
KinematicBody returns null to try get collided Rigidbody
Player is a KinematicBody and enemy is a Rigidbody. I'm using move_and_slide() to move player. When they collided, each both push them opposite direction, so it seems like physics stuffs working, ...
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1answer
31 views
Updating RigidBody rotation and velocity only updates it's rotation
I'm currently making spaceship controller script. Control is simple, W/S to move forward/backward, A/D/ to rotate ship by Y Axis(yaw).
Spaceship is RigidBody node and has CollisionShape as children.
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0answers
124 views
Unwanted angular velocity in unrelated axis (rigidbody simulation)
so real quick I'm simulating 3D rigidbody dynamics. This is what I have:
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0answers
27 views
2D Rigidbody with Touchscript movement in Unity won't stay in boundaries
I'm trying to make a pong game where the player has to move both paddles. They are currently set as dynamic 2D Rigidbodies (collision detection continuous) and have a box collider (is NOT trigger) ...
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1answer
150 views
In Godot, how to make a Kinematic body affectable by rigid bodies?
Background Info
I'm currently following the FPS tutorial from the official site. By the end of Part 1, there is a Player object implemented as a KinematicBody and ...
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0answers
58 views
Control Torque Inputvector
I'm faced with the following problem:
I'm trying to implement a rigidbody-based movement for my submarine game which means I want (need?) to useAddForce() and <...
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1answer
45 views
How to make wheelcollider not stutter when moving on high speed?
I have a wheelcollider attached on a rigidbody and i move the object using :
"transform.position += transform.forward * speed * input.getkey(keycode.uparrow)"
And when the speed increasing the ...
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1answer
35 views
How to set the force applied to RigidBody2D depending on the time user holds touch on screen?
I trying to make an object jump from 1 point to another point. How far it jumps depends on how long the player holds the touch anywhere on the screen. It jumps when player releases his touch.
At the ...
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1answer
34 views
Dragging a Rigidbody2d without moving other Rigidbodies
There are obstacles and other objects that are draggable. Colliders and dynamic rigidbodies are on the draggable object and there are colliders on the obstacles.
The problem is that with the ...
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1answer
67 views
Character Controller pulling Table in Unity Engine
I have setup a scene with one GameObject that has CharacterController component (Player) and another one Cube that represents Table with RigidBody and BoxCollider components.
Now, when I get close to ...
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0answers
21 views
Stop the player to prevent it from being thrown away after collision
I'm trying to write a script where when the player (kinematic) comes up against an enemy he stops, jumps and gets dynamic again. The problem is that when it returns dynamic it is thrown away and does ...
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2answers
410 views
Dragging a Rigidbody2D without passing through obstacles
I have this body of code written for an object that needs to be an obstacle and another object that is draggable. I have colliders on both and a kinematic rigidbody on the draggable object, but the ...
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0answers
164 views
Unity: Make a moving rigidbody stop exactly at a given distance
I have an object that only moves along Z-axis, its rigidbody has a mass of 1 and a drag of 0.2.
That object accelerates till MaxVelocity and then moves at that constant velocity in the Z-axis.
When ...
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1answer
21 views
Unexpected velocity changes in unity
I have a character that moves with a rigidbody.
When I jump, it looks fine, but sometimes, my character boosts up while in the air and shoots out of the map very quickly.
I checked, and when it ...
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1answer
54 views
Character doesnt move along with his rotation
Decided to change my character movement from transform.Translate to a rigidbody movement, the only problem is that my character is not moving to where he is facing, also it falls really slowly in the ...
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0answers
27 views
Polygon doesn't bounce enough in edge-ground collisions (but it does in vertex-ground collisions)
I'm currently making a (basic) physics engine in Python in which I want a polygon to bounce off the ground (\$y=0\$).
When a vertex hits the ground, I apply the (linear) impulse $$\overrightarrow{P}...
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1answer
108 views
Rigidbody script throwing error CS0246: The type or namespace name `MouseLook' could not be found. Are you missing an assembly reference?
I've been stuck on this for the last 3 days and I really need some help.
Now, I have 2 scripts that are giving me some grief, the RigidbodyFirstPersonController.cs and the MouseLook.cs scripts. On my ...
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1answer
61 views
How do I use trigger colliders in Unity?
I am trying to create a "Fruit Ninja" style game in Unity in VR. I have a BoxCollider on my sword set to "Trigger" and I have some "fruit" objects coming towards it. I then have this function:
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0answers
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Client side prediction in 2D rigid-body physics
I'm currently working on 2D rigid-body physics multiplayer game using Matter.js for physics (both the client and server side) and Phaser3 for rendering. Both the server and the client run the ...
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3answers
252 views
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1answer
21 views
Rigidbody2D moves on x axis without adding force
I'm currently trying to learn some Physics2D in Unity. Now, I've created a Ball (sprite) and added a RigidBody2D and a CircleCollider2D on it.
The RigidBody2D has the following settings:
Bodytype: ...
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0answers
23 views
Make players Rigibody move in direction its going?
I have my snowboard character which I am trying to fix the movement for. At the moment, The player is using transform.forward on the rigidbody to move forward. If my player turns around and faces up ...
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0answers
155 views
Raycast collision Detection different results?
So I'm trying to make a collision detection system for a kinematic rigidbody for a gameobject but for some reason the results in which the gameobject stop is always different. I tried missing around ...
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1answer
106 views
Character moving without control
i've been developing a third person adventure game on Unity with a grappling hook and i found a problem that i don't understand and it's driving me mad.
Basically, if the player character collides ...
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2answers
398 views
How can I create a dice toss that results in a specific value?
I am trying to create a 3D dice for a game. Normal dice has been created by setting cube for dice with Rigidbody and apply force to throw a dice.
Now the problem is, the user wants to give a value 1 -...
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2answers
2k views
Move rigidbody using WASD keys but rotate it based on camera/mouse movement
I am very new to unity and my scripts are based on some scripts found on the web.
I want to make a first person view so the camera is attached to my rigidbodys head. Then i want to move my rigidbody ...
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2answers
37 views
Dividing properties between RigidBody and Collider
I am currently making a physics engine in Rust.
The 2 main data structures concerning collision detection are:
RigidBody: Physics-related aspects of the body. Contains a reference to a Collider ...
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1answer
62 views
How to stop Objects with Rigidbodies from explosion when dragging
I have a sequence of capsules linked with fixed join and each capsule have a Rigidbody and a cube collider (the picture bellow shows how it's look like)
and this ...
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1answer
81 views
How to make a rigidbody come to rest faster
I'm trying to move around a 3D rigidbody in Unity 2018.1.0f2 Personal. I am using a C# script with the basic vector3 and velocity stuff from a YouTube video:
...
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3answers
3k views
How to move the player while also allowing forces to affect it
For now, that's how I move the player:
rb.velocity = Vector2.right * input.x;
And I affect him a force while he is damaged by an entity:
...
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1answer
114 views
Is Rigidbody needed and what move function to use in 2D games?
I don't really fully understand how to use rigidbody and which movement functions in a 2D game. There seems to be so many options and it's just a mess in my head right now. If I'm making a game like ...
3
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0answers
120 views
Unity - kinematic rigidbody character calling OnCollisionEnter and OnCollsionExit on every frame for specific collisions
I'm encountering an issue with my character collider behavior. I have several elements that are relevant to this issue:
a "character" gameobject (capsule mesh), that is assigned with a kinematic ...
