A genre of action game whose focus is on platform-based movement. It is equally present in both the 2D and 3D game worlds.

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1answer
968 views

How do I make camera follow the player within some bounds?

I am creating a simple ambient/explorer platformer. Because I want the player to only be able to see a new area once they have reached it, I decided to split up the world in rooms. To not make things ...
1
vote
1answer
204 views

How to handle sprite speed when objects move using Box2d?

I have a basic platformer using Box2d that works great. However, I now want to stop using my default square, and implement some running and jumping animations. How can I ensure that: When running, ...
2
votes
1answer
789 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 ...
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2answers
5k views

Starting Java 2D Platformer using LWJGL [closed]

Getting started on a 2d platforming project in java. I've decided on using LWJGL and OpenGL, but I don't quite know where to start. What is typically the first thing one would work on with a ...
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1answer
56 views

Flixel level ceases to show on screen

I was following along with the EZPlatformer flixel tutorial(with some of my own modifications), and suddenly find that my level is not appearing on screen. I am unable to detect any changes I could ...
4
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2answers
192 views

Why is my collision resolution failing on the corners?

I'm tearing my hair out trying to work out how to handle my collision resolution at the corners of the rectangles that I'm colliding with. The code that I'm working with is: class Player(object): ...
6
votes
2answers
983 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 ...
11
votes
3answers
992 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 ...
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2answers
2k views

Box2D Platform body not moving player body along with it

I am creating a game using Box2D (Javascript implementation) - and I added the ability to have a static platform, that is moved along an axis as a function of a sine. My problem is when the player ...
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1answer
202 views

Storing large array of tiles, but allowing easy access to data

I've been thinking about this for a while. I have a 2D tile bases platformer in XNA with a large array of tile data, I've been running into memory problems with large maps. (I will add chunks soon!) ...
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2answers
627 views

Need material for character anatomy in a 2D game. Spartan Like, See Picture

I'm creating my art for an 2d based IOS game. I know some basic anatomy as you can see by the picture but I have no idea how I will make draw the pics for animation of the character walking, attacking ...
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3answers
1k views

Issues with shooting in a HTML5 platformer game

I'm coding a 2D sidescroller using only JavaScript and HTML5 canvas, and in my game I have two problems with shooting: 1) Player shoots continous stream of bullets. I want that player can shoot only ...
12
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3answers
5k views

2D game collision response: SAT & minimum displacement along a given axis?

I'm trying to implement a collision system in a 2D game I'm making. The separating axis theorem (as described by metanet's collision tutorial) seems like an efficient and robust way of handling ...
4
votes
2answers
510 views

In a Tower defense game, how to do buffs/debuffs

The question is at the very bottom. If you understand Buffs/Debuffs in tower defense games then you should skip the bulk of this question and go to the bottom (seperated with the long line) I plan on ...
1
vote
1answer
243 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 ...
0
votes
1answer
903 views

Platform game collisions with Block

I am trying to create a platform game and doing wrong collision detection with the blocks. Here's my code // Variables GTimer jump = new GTimer(1000); boolean onground = true; // The update method ...
2
votes
1answer
1k views

How to use proximity sensor in android with unity3d?

I want to create a android game with unity3d using proximity sensor an I don't know how to access that sensor with java script
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votes
1answer
1k 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 ...
28
votes
6answers
8k views

A way to store potentially infinite 2D map data?

I have a 2D platformer that currently can handle chunks with 100 by 100 tiles, with the chunk coordinates are stored as longs, so this is the only limit of maps (maxlong*maxlong). All entity positions ...
0
votes
1answer
972 views

Artifacts when using SamplerState.LinearClamp in SpriteBatch

I'm using XNA 4.0 and VS2010 Express for Windows Phone and Windows Phone SDK 7.1. This is a platform game and I have a map made up of 16x16 textures that is drawn dynamically, tile by tile. When ...
4
votes
2answers
530 views

Detecting a ledge in Box2D [duplicate]

Possible Duplicate: Detect Open Space in Farseer How do I detect ledges? I'm making a 2D platformer with Box2D. The player needs to be able to grab onto a ledge and pull him/herself up. ...
2
votes
2answers
505 views

One-way platform collision

I hate asking questions that are specific to my own code like this, but I've run into a pesky roadblock and could use some help getting around it. I'm coding floating platforms into my game that will ...
3
votes
1answer
1k views

How do I implement smooth movement in a Box2D platform game?

I have implemented a character in JBox2D which moves with the help of a wheel rotating at the bottom of it. The movement is the best result I've had 'till now but it's a little glitchy when the ...
4
votes
2answers
1k views

Platformer Enemy AI

I'm currently developing a platformer shooter. The game is multiplayer and while my net code could use some real work I have put that off for the time, so currently I'm trying to implement the AI. ...
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vote
2answers
386 views

How do I make a Java gave without a JFrame?

I am working on an arcade-like game, and so far, I have been using JFrame. All the action occurs in the JFrame basically. However, I've noticed that a lot of games that you install on a computer ...
3
votes
2answers
243 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 ...
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8answers
6k views

How do I prevent my platformer's character from clipping on wall tiles?

Currently, I have a platformer with tiles for terrain (graphics borrowed from Cave Story). The game is written from scratch using XNA, so I'm not using an existing engine or physics engine. The tile ...
0
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1answer
3k 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
3answers
499 views

Tile based platformer, using larger tiles?

So for my tile based platformer, It has a grid of tiles Occupying 1x1 block for each one. However, What if I want larger tiles? Maybe doors, tables, etc. They wouldnt fit in a 1x1 tile, so what I ...
5
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1answer
2k views

The Physics behind 2D Platformer Games? [closed]

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.?
5
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1answer
2k views

Slopes in 2D Platformer

I'm dealing with Slopes in a 2D platformer game I'm developing in XNA Game Studio. I was really tired of trying without success, until I found this post: 45° Slopes in a Tile based 2D platformer, ...
0
votes
1answer
108 views

Tilting a platform on its axis?

I'm wondering how I can tilt a platform on it's center/axis. For example, if the player steps on the left of the center, it should tilt to that side like in this picture. Can a platform like this ...
0
votes
3answers
577 views

Code Problem Involving Vertical Movement of Platforms

I am trying to create vertical moving tiles with the Microsoft Platformer Starter Kit. My platforms can move in one direction; however, they fail to switch direction. If my platform starts at the ...
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votes
3answers
8k views

How do I structure a 2D platform level?

I'm doing a 2D platformer but I don't know how they are usually built. The approach I'm looking at is making it tilebased, with ground tiles on bottom row, then platforms on some places in "mid-air" ...
0
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4answers
301 views

Big level objects collision system for 2d game

I read many variants today and get some knowledge in general, so here is a steps of mine thoughts in pictures (horrible paint.net ones). We need to develop grid system, so we check only thing near, ...
14
votes
2answers
2k views

Wall Jump for 2D Platformer

I've been looking for a way to implement wall-jump in my xna game, but I can't find any information about it, can someone could someone please help me out ?
4
votes
1answer
301 views

How to cull liquids

I use culling on my Tiles in my 2D Platformer (XNA), so only ones needed are drawn on screen. Thats easy to do. However, My Liquid tiles (Water, lava, etc) require an Update Method aswell as the ...
2
votes
1answer
1k views

Handling hitboxes

So I have an issue that I'm laughing at myself about, because it really seems like it should be something that I should be able to figure out pretty quickly. I am designing a 2D action platformer; I ...
4
votes
1answer
1k 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 ...
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votes
5answers
6k views

45° Slopes in a Tile based 2D platformer

I want to have simple 45° slopes in my tile based platformer, however I just cant seem to get the algorithm down. Please take a look at the code and video, maybe I'm missing the obvious? ...
2
votes
3answers
1k views

One-way platforms in UDK

I'm looking to make a multi-player platforming game using UDK. I'm currently doing feasibility research, to make sure I will reasonably be able to do all of the technical things I want to do. The ...
0
votes
1answer
299 views

Platforms collide-able on one side only

I have frequently tried to make some sort of a platformer, but when I actually code it, I run into a bit of a snag. How would I be able to make platforms in the air stop objects if they hit the sides ...
4
votes
1answer
2k views

Collision with tile corners/seams in 2D platformer

There seems to be a lot of somewhat related questions answered already, but none I read answered my exact problem. I have a 2D platformer whose world is made entirely out of tiles that are in a ...
2
votes
2answers
212 views

How to do reflective collisions with particles hitting background tiles?

In my 2d pixel old-school platformer, I'm looking for methods for bouncing particles off of background tiles. Particles aren't affected by gravity and collisions are "reflective". By that I mean a ...
1
vote
1answer
400 views

How do I generate a level randomly?

I am currently hard coding 10 different instances like the code below, but but I'd like to create many more. Instead of having the same layout for the new level, I was wondering if there is anyway to ...
2
votes
2answers
2k views

2D side scroller - How to implement X/Y movement?

I'm currently writing a small 2D, side-scroller-ish kind of game. I have a simple camera that follows the player around and the physics are ready. I'm using 32x32 tiles that build out the world, ...
0
votes
1answer
411 views

objective-c iphone sdk side scrolling

I was making a game and I did the side scrolling like this: if the player get past 150, the player stops moving and the background starts moving. But thats very annoying with placing objects in the ...
5
votes
1answer
558 views

XNA Platformer Screen Collision

I am making a game, and it has platforming and animation. I am trying to make it so that when the player goes to the end of the screen, he stops and cannot go further. I put this code in: ...
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votes
3answers
1k views

Creating addons for any game?

I want to be able to create addons for any game, the example I will use is League of Legends. With addons I mean, for example when my level integer changes I want to play a sound in the background. ...
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2answers
2k views

Mega Man-style screen scrolling design

The NES classic Mega Man series uses a very specific scrolling technique that I'm having a hard time wrapping my head around implementing. Essentially, the level is divided into "screens" which are ...