Questions tagged [kinematic]

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2D faux gravity walk/stick to a planet

I'm trying , to make a Player walk on a planet , through searching , I figured out that I can achieve this effect using Faux gravity , I tried to Implement it , but it's not working as intended: ...
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1 answer
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Physics and unit size to feet

I'm dropping a object 1353 feet from a building. I can get the time(t) it lands with manipulating the total displacement of a object(/\x). Gravity is 32 feet/s^2 While doing physics, kinematics or ...
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213 views

How to stop Players and Enemies from pushing each other

I am developing 2D Top-Down RPG game. I have script that makes my enemy follow the player, and when they touch the player, the player will start to lose HP. Everything works well, but when they touch ...
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0 votes
1 answer
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Rendevouz Calculations

Say you have two objects in a vacuum with no forces acting on them. The objects may or may not be moving. Object A's acceleration is not equal in all directions, and object B may change its ...
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1 vote
0 answers
157 views

Roguelike movement system

I'm trying to implement a roguelike movement system for my game. I'm using the ECS architecture. The requirements are: entities will have a mass, on which should slow down the entity movement ...
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  • 183
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1 answer
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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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1 vote
1 answer
678 views

Bullet Physics Integration - direct movement of rigid bodies

I'm adding bullet physics to my engine. The physics simulation bits are all working nicely, but one bit I'm struggling with is being able to move objects using their co-ordinates, and then have them ...
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  • 186
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1 answer
116 views

How can I add acceleration to the movement of an object in a game

Below is the code that I'm using to move an object: ...
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  • 117
1 vote
0 answers
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Kinematic rigidbodies push each other in unet

https://youtu.be/j3f44E-ExLc I have a bunch of rigidbodies on each player, ALL set to kinematic. And this stuff happens. All the sword swinging is animation state driven, and basic back and forth and ...
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7 votes
0 answers
861 views

Implementing proportional navigation in 3D

Good afternoon guys, a = N * λ' * V is the formula for the commanded acceleration required to hit the target, where N is the proportionality constant, λ' is the change in line of sight and V is ...
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  • 171
3 votes
1 answer
567 views

Rotating kinematic object around a moving point Box2D

I'm new at Box2D and I am making a simple game where you control the rotation of the maze and the gravity leads the ball to the exit. The game looks like: The problem: I want to rotate the maze, ...
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  • 33
7 votes
1 answer
285 views

Path following with Asteroids-like movement. Time to complete path

I'm currently learning about how to do this, but it's best to post the problem beforehand. (posting on Physics and GameDev, as you guys know your math) It's quite difficult to explain. This specific ...
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2 votes
2 answers
424 views

Equation for exponential deceleration so the objects “stops” at destination

Let's say my ship's velocity during deacceleration phase is given by: v(t) = v0 * exp(-k * t) where v0 is the speed at the ...
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