Tagged Questions

0
votes
3answers
134 views

Gravity independent of game updates per second

Edit Just for clarification, my sprite's 'movement' isn't the problem. If I set my Time variable to 4 seconds, then it will cross the screen in exactly 4 seconds regardless of logic updates rate per ...
2
votes
1answer
206 views

How to make a character in a Box2D world jump faster?

I have a question about using Box2D to simulate a physics-platformer. I manage to make the character move to the right and left, and jumping as well. However, jumping seems extremely slow when ...
5
votes
2answers
321 views

“Super meatboy”-ish replay

I'm making a platformer built from mini-levels - and I want to create a sort of a replay of all the player tries that the player did for the level. My question is - what is the best way to record the ...
7
votes
3answers
277 views

Impulsioned jumping

There's one thing that has been puzzling me, and that is how to implement a 'faux-impulsed' jump in a platformer. If you don't know what I'm talking about, then think of the jumps of Mario, Kirby, and ...
0
votes
1answer
155 views

Game Physics: Implementing Normal Reaction from ground correctly

I am implementing a simple side scrolling platform game. I am using the following strategy while coding the physics: Gravity constantly acts on the character. When the character is touching the ...
2
votes
1answer
405 views

Trouble with AABB collision response and physics

I have been racking my brain trying to figure out a problem I am having with physics and basic AABB collision response. I am fairly close as the physics are mostly right. Gravity feels good and ...
1
vote
2answers
196 views

Platformer gravity where gravity is greater than tile size

I am making a simple grid-tile-based platformer with basic physics. I have 16px tiles, and after playing with gravity it seems that to get a nice quick Mario-like jump feel, the player ends up moving ...
0
votes
1answer
285 views

Platforming - Hanging off of cliffs and edges? [duplicate]

Possible Duplicate: Programming a climbing system like tomb raider I've been interested in platforming gameplay dynamics for a while now. What I'm trying to ask is how games like Assassin's ...
3
votes
1answer
802 views

The Physics behind 2D Platformer Games?

Is there any good book or tutorial that explains the physics behind creating a 2D Platformer game? Such as tile rendering, tile map reading, collision detection, camera movement etc.?
2
votes
1answer
640 views

Platformer Starter Kit - Collision Issues

I'm having trouble with my game that is based off the XNA Platformer starter kit. My game uses smaller tiles (16x16) then the original (32x40) which I'm thinking may be having an effect on collision ...
0
votes
1answer
298 views

Why is my character not moving when applying an acceleration to it?

I'm having issues with my character in terms of gravity and the character bouncing up and down. You can find more information about it in the link below. Character bouncing off ground due to gravity ...
43
votes
7answers
3k views

2D Platformer AABB collision problems

I have a problem with AABB collision resolution. I resolve AABB intersection by resolving the X axis first, then the Y axis. This is done to prevent this bug: http://i.stack.imgur.com/NLg4j.png ...
16
votes
1answer
542 views

Recreating retro/NES style physics with intentional imprecision

Background: I'm having a problem getting the jump curve correct for a retro platformer remake project of mine. The original game is for the NES, and the player's velocity is stored in two separate ...