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Results tagged with physics
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user 229
Relating to the motion of objects through space and time. Including concepts such as acceleration (thrust and gravity), mass, collision response, friction and more.
3
votes
Implementing a wrapping wire (like the Worms Ninja Rope) in a 2D physics engine
Check out how the ninja rope in Gusanos was implemented:
The rope acts like a particle until it attaches to something.
Once attached, the rope just applies a force onto the worm.
Attaching to dynami …
- 4,423
8
votes
How can I factor momentum into my space sim?
Instead of manipulating the velocity directly, add another variable: acceleration, that gradually, smoothly alters the velocity:
From classical physics (Newton's laws of motion):
a = F/m // a Force …
- 4,423
1
vote
Determine the bullet / particle reflection off of a circle in node js using SAT lib functions
Source: Mathematics and Physics for Programmers, p. 200-201
Finally, I have implemented the above algorithm using SAT vector functions, as requested. …
- 4,423
0
votes
Sphere to plane collision never rearching resting contact
Stop applying (the gravity) force after reaching RESTING_CONTACT.
My guess is your sphere is reaching resting contact, but gravity (or other forces) causes it to continue moving as soon as the next u …
- 4,423
15
votes
Accepted
Resolving a collision with forces
First, I recommend using a free, open-source physics library like Box2D and just focusing on the aspects of your game that make it unique! … This is a good reason to keep your physics time steps as small as possible and handle collisions before any penetrations occur. …
- 4,423
2
votes
Resolving a collision with forces
In the real world, there is no force that "pushes" one body outside of another body because objects don't ever penetrate each other. The closest thing is the normal force: created at the moment of c …
- 4,423
9
votes
Accepted
2D Platformer AABB collision problems
to reproduce the "jumping" bug in the XNA demo by changing this line:
for (int y = topTile; y <= bottomTile; ++y)
to this:
for (int y = bottomTile; y >= topTile; --y)
(I also tweaked some of the physics-related …
- 4,423
1
vote
Rotating sprite around another sprite
The sprite affects the visual appearance while the body affects the physics behavior. … Keep using pivot and anchor to visually show the cue rotating/moving, but don't add a physics body to this sprite. …
- 4,423