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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21
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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 ...
0
votes
2answers
3k views

AS3 Internal preloader (one swf) for flash game with Embeded() images?

So I am using the Flash IDE. And I am trying to make a preloader on Frame 1 so that it displays and loads progress before anything else is exported/loaded. So all my assets from the Library are on ...
10
votes
4answers
807 views

Player moving up, is he jumping or climbing?

In a 2D physics-based platformer game that has ladders in it, how do you determine whether the player moving up is caused by a jump or him climbing a ladder, such that you know what animation to play? ...
2
votes
1answer
323 views

How do games using physic engines for 2d games handle platform corners?

I have seen games like latest "2'5D" sonics that handle collision detection at platform corners pretty well. The problem I'm having is that my game uses an ellipsoid as my player's body to let it ...
0
votes
1answer
329 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 ...
3
votes
1answer
781 views

Platformer collision detection problems

I'm having a few problems with collision detection in my game (written in C# with SDL.Net). Detecting the floor and roof is fine, as does detecting sides of tiles when not jumping/falling. My problem ...
3
votes
3answers
428 views

3d platformer with 2d point of view

I made my first 2d platformer game using java + swing. Now I want to achieve the same gameplay adding 1 dimension. I think this will require opengl knowledge. I know the basics but i don't ...
2
votes
1answer
700 views

Moving a big set of box2d bodies in an iOS endless side-scroller game (such as Canabalt)

I am working on an iOS endless-running game (Robot Unicorn, Canabalt, etc). I'm using box2d for the Physics and Collision Checking and cocos2d for graphics. To achieve the notion of an endless level, ...
7
votes
2answers
4k views

Hero/Character sprite size in comparison to tile size?

So I'm making this simple platformer where the Hero is 16x16 in size, but also, the tile size is 16x16. Which sounds fine right? But my game window/world is 800x416, which makes the Hero is really ...
1
vote
1answer
777 views

Flash Actionscript 3.0 Game Projectile Creation

I have been creating a side-scrolling Actionscript 3.0 game. In this game I want the Player to be able to shoot blow darts as weapons. I had some trouble getting the darts to be created in the right ...
2
votes
2answers
623 views

Actionscript 3.0 - Enemies do not move right in my platformer game

I am making a side-scrolling platformer game in Flash (Actionscript 3.0). I have made lots of progress lately, but I have come across a new problem. I will give some background first. My game level's ...
2
votes
2answers
548 views

Animating sprites at different speed than what the game runs at

I am building a Javascript/canvas platformer game, and it's coming along nicely. The only problem I've really run into where I can think of any solution at all is the animation of my player sprite. ...
5
votes
1answer
3k views

How do I implement side scrolling in a javascript platformer?

I'm building a side scrolling platformer with Javascript and the canvas element for a school project. I have the character all sorted out. He runs left and right, and has a different sprite set for ...
1
vote
1answer
670 views

Box2d/Farseer how to use the World object?

this question is primarily about farseer but as it is a wrapper around box2d i think it's relevant for both libraries. I'm in the beginning of developing a simple platform game, and I'm stuck as to ...
1
vote
1answer
960 views

How to make a platformer character go DOWN a 315 degree slope?

Alright, so I got this code I'm trying to write, but the player won't go down the slope, it goes down and up perfectly on the 45 degree slope, but the 315 degree one is a mess. it goes "up" the ...
2
votes
1answer
356 views

Should I go with SpriteBatch or just 3D with Z component always zero?

I'm designing a platformer and beginning to code the viewing engine of the game. Now, I have to make a key decision: Should I just use SpriteBatch to draw all the 2D stuff, as there is no 3D, or ...
1
vote
3answers
304 views

How to make a tile vanish after player steps on it, in a tilebased game?

So I'm adding the basic mechanic of making frail/breaking tiles, those that break apart and disappear after the player has walked ontop of them. Now I thought this would be as easy as...: //Breaking ...
7
votes
5answers
3k views

2D Procedural Terrain Generation - Guaranteeing connectedness?

I'm working on a 2D platformer in XNA. One of things I'd like to be a main design characteristic is procedural content generation. The first step of that is to procedurally generate the terrain. So, ...
6
votes
1answer
556 views

Appropriate level representation / data stucture for a 2D platfrom game?

I'm about to program a copy of Mario in Java. I'm thinking on 2 representations/data structures for the levels but I'm not sure which one should I choose: A 2D integer array. A quadtree to divide ...
46
votes
7answers
5k 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 ...
8
votes
1answer
4k views

How to handle physics of moving platforms in a platformer?

So after a few hours of searching on the internet, I have yet to find a pleasing answer on how to handle moving platforms in a 2d platform game. So I decided to make a simple prototype where you ...
3
votes
1answer
574 views

Organizing platformer game into classes

I'm making a platformer game and I'm having some trouble wrapping my head around how to organize my classes. I'm wondering what the best way to have everything interact would be without passing ...
9
votes
3answers
1k views

What is involved in creating a real-time multiplayer platformer game?

I'm creating a platformer game that has a "co-operative" feature which I'd like to work over networks / the internet. Now I've read up on network game programming including articles like What every ...
16
votes
1answer
683 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 ...
8
votes
5answers
4k views

How can I easily implement swinging in a platformer game?

I'm developing a game in which player can use ropes to swing (just like what Spiderman or Bionic Commando did) and I'm having problem implementing this behavior. Can anyone help me how to do this, I ...
5
votes
4answers
1k views

The Decline of 3D Platformers

What contributed to the decline of sales of 3D platformers over the past decade? (Other than Microsoft's acquisition of Rareware.) Would it be a mistake for a developer other than Nintendo (or indie ...
5
votes
4answers
2k views

Make player to always move along the terrain

I'm working on a 2D platformer side scroller game. I am giving high impulse to player, the player starts moving and if it hits a slope on terrain, it gets a vertical movement and starts to fly over ...
6
votes
2answers
22k views

Making a 2D Platformer in C++/SDL. Looking for tutorials/examples/resources

I have a lot of experience with C++, but I have no experience with game programming. This summer I plan to create a 2D platformer from scratch using C++/SDL for the learning experience. I am looking ...
3
votes
2answers
2k views

Simple puzzles in platform games

I'm working on simple platformer game. I've got already finished programming the main part of game, which is moving and collecting items. I want a unique game puzzle in every level, but I can't ...
14
votes
3answers
3k views

How do I handle moving platforms in a platform game?

I don't want to use box2d or anything, I just want simple moving platforms (up-down, left-right, diagonal and circular paths). My question is to handle the update order / control hierarchy so that the ...
5
votes
2answers
252 views

How to “repeat” a sprite in the gameworld in a random fashion?

I have a platform flash game which includes a level with just two backgrounds which are flipped side by side so that a looping background effect is created. In this I have to include Obstacles. ...