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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2
votes
2answers
152 views

Why doesn't this 2d physics calculation yield the desired jump height?

I found a formula for gravity and jumping in this article: http://error454.com/2013/10/23/platformer-physics-101-and-the-3-fundamental-equations-of-platformers/ I implemented this formula and ...
0
votes
1answer
69 views

How to use friction to bring object to a stop in a simple 2D platformer?

I'm coding the physics for a little platformer I'm making but I'm not sure how to design a friction calculation that does what I expect. When running along a platform I want the player's character to ...
0
votes
0answers
145 views

Basic Line of Sight - Pygame

I'm working on a very basic platformer. All objects are rectangles. I've been looking for a simple way to determine if the line of sight is obstructed between Player and CPU by a platform. I saw ...
1
vote
0answers
32 views

Colliding wiith a smooth line of blocks

I'm having a strange problem. I'm creating a 2D platformer, and creating the gameplay map by reading a csv file and placing prefabs of the appropriate type on map. One part of the map is a simple ...
4
votes
6answers
2k views

Should my game handle collisions in the Player object?

I'm making a 2D platform game. Right now I'm just working on making a very generic Player class. I'm wondering if it would be more efficient/better practice to have an ActionListener within the Player ...
1
vote
3answers
567 views

unity destroy enemy when jumping on it

I am creating a 2D platformer using Unity3D, I want to have the player destroy enemies when it jumps/falls over them (just from the top). But I have been having problems trying to implement this. I ...
1
vote
2answers
524 views

How can I implement platformer pathfinding?

I've gone through A* pathfinding but could find anything on this. What I'm looking for is pathfinding for something kind of like a super smash bros level with different platforms. Can anyone point me ...
0
votes
0answers
44 views

2D Platformer Pathfinding [duplicate]

First of all, I'm sorry, I know this is a really broad topic, but I've been trying to do this for days, I've looked at about a hundred different Google links, and I'm just not having any luck. ...
0
votes
1answer
70 views

Z axis for player movement is being incremented, but i don't know how

I'm currently learning and developing a 2D plataform game in Unity, but now i'm having some errors that i can't solve. When I press the arrow keys to make my character move right and left, the Z axis ...
1
vote
1answer
149 views

Applying statements to a single instance in Game Maker?

I'm currently in the process of making a platformer, and am currently in the process of creating "depth" into my game, by making Up/Down-W/S control your depth. (Come closer to screen, go further). ...
0
votes
1answer
323 views

Scaling background without scaling foreground in platformer?

I'm currently developing a platform game and I've run into a problem with scaling resolutions. I want a different resolution of the game to still display the foreground unscaled (characters, tiles, ...
2
votes
1answer
110 views

Box2d C++ x velocity slowing for no apparent reason

I'm making a 2d platformer in C++, using Box2d for physics and sfml for rendering, I want the player character to move with a constant velocity in the x direction, and to jump when the spacebar is ...
4
votes
5answers
1k views

The Decline of 3D Platformers [closed]

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 ...
0
votes
1answer
194 views

Tiling 2D textures in random order

I am wondering what the best way to make a random set of 2D textures. Currently I have tried the follow code but I am aware that when this comes to collisions that would be an issue. Therefore I would ...
2
votes
2answers
590 views

Vertical Camera Movement in a 2D Platformer

I would like to ask about how vertical camera movement should be handled in a platformer in which the player changes his Y position frequently. For the past two days I've tried to adjust the camera ...
0
votes
1answer
362 views

How to implement 2d collision detection that is immune to low framerate and fast movement? [duplicate]

I am trying to implement my own collision detection for a 2.5d voxel style platformer using Three.js. I have a problem with my implementation - if the framerate is too low or the character is moving ...
4
votes
2answers
1k views

Implementing one-way platforms in Chipmunk

I am making game in cocos2d-x, but it's the first time I am using a physics engine i.e. Chipmunk. (It's built-in to cocos2d-x.) I want to make a one-way platform: When my character jumps into a ...
4
votes
3answers
980 views

How to generate a “loop room” in a platformer game (by Unity)?

I want to build a level with a room whose left edge is linked to right edge in a 2D platformer game in Unity. My goal is let all objects disappear in one side will appear in other side of the room. ...
0
votes
3answers
77 views

In a Sonic-esque platformer, how to tell if the chracter is upside-down or not?

In a Sonic-esque platform game, how do you know if the player's character is currently upside down? Let's say the character is running to the left: At a certain point the character will begin to ...
5
votes
3answers
462 views

How do you find games with a similar idea?

I'm thinking about making an indie game and want to know if there's maybe one with similar idea. I'm not asking about my idea specifically, I just want to know how to find out if a game has the same ...
0
votes
2answers
277 views

Slopes vs. Rectangles: Different Collision Points

My platformer has both rectangular tiles and right-triangle slopes with rectangular hitboxes. My sprites are also rectangular. Collision with only rectangular tiles works well. Even if there are ...
3
votes
5answers
496 views

Is it bad practise to have an object for every tile?

In the game I am working on, many of my tiles must have special attributes (such as triggers when the player steps on them). I was wondering if it would be bad practise to create an object for every ...
0
votes
1answer
305 views

Box2D platformer: Why does horizontal movement stop jumping?

I'm writing my sBox2D game character's movement code, but my implementation of jumping is failing: When I press the Jump key, the character jumps OK. However, when I press jump and another key (like ...
3
votes
2answers
381 views

How do I randomly position objects without overlap?

I'm studying a little about procedurally generating levels and decided to start with a vertical scrolling game. I would like to position some platforms vertically in my scene. So far, I've used a ...
0
votes
1answer
325 views

“Running” against a steep slope on a Box2D Platformer

Ive seen alot of pages talking about how to emulate a platformer on Box2D, specially about how people dont want to slide down a slope. Well, my problem is different and Im surprised I cant find ...
0
votes
1answer
2k views

Camera controller in a 2d platformer

I'm basically bumming around using Unity's 2D creation tools, and I've managed to create a little platformer physics demo. There's a lot of work to be done, but I've got basic movement down, some ...
4
votes
3answers
772 views

How can I make new strategies viable?

I am making a 2D platformer where the player has to reach the end of the level as fast as possible. I would like the player to be able to find new ways to reach the end of the level faster. Making ...
1
vote
1answer
382 views

Drawing geometry to an SDL_Texture?

As a direct result of this question that I asked a few days ago, I want to draw potentially-complex geometry to a SDL_Texture or, I suppose, an SDL_Surface. Ultimately, I want the foreground of a 2D ...
9
votes
4answers
1k views

Make the player run onto stairs smoothly

I have a 2D Platform game, where the player Always runs to the right, but the terrain isn't Always horizontal. Example: I implemented a bounding-box collision system that just checks for ...
2
votes
1answer
2k views

How to handle a Tile Map Scrolling [duplicate]

i'm making a video game, and i'm having, i think, a concept problem. The game will be a platformer which will use tile maps, so to start i will create a mask matrix indicating the tiles to be loaded, ...
1
vote
2answers
885 views

Getting 2D Platformer entity collision Response Correct (side-to-side + jumping/landing on heads)

I've been working on a 2D (tile based) 2D platformer for iOS and I've got basic entity collision detection working, but there's just something not right about it and I can't quite figure out how to ...
9
votes
1answer
5k views

Microsoft XNA Platformer Example, is the Collsion Detection implemented accurately?

The example provided by Microsoft seems as if the collision detection (from what I can see) will have a small error. When the user collides with an Unpassable tile, the depth of the intersection is ...
1
vote
1answer
749 views

Unity 2D camera drifts from player as speed increases

I have a dilemma that I did not have in XNA before porting my game to Unity. First-- my goal is to mimic Super Mario World 2's camera tracking in x. The camera tracks to 1 block ahead of the player, ...
1
vote
2answers
2k views

Platformer Collision Detection Order

I'm attempting to create a 2D Platformer Game and I'm having difficulty with the physics I have implemented. Each loop my code does the following: Apply the physics to a temporary X and Y ...
5
votes
3answers
2k views

Creating Platform game with Inclined Levels

Till now I have developed platform games in which a player can only move and detect tiles linearly. I wonder on how to implement games in which a player can move on an inclined or irregular surface. ...
9
votes
2answers
2k views

How can I make a character walk on uneven walls in a 2D platformer?

I want to have a playable character who can "walk" on an organic surface at any angle, including sideways and upside-down. By "organic" levels with slanted and curved features instead of straight ...
0
votes
1answer
451 views

Why do I see this “ghosting” effect with my sprite in SDL?

I'm using SDL to create a 2D side-scrolling platformer, but I'm getting ghosting from the sprite. I'm not used to programming with graphics or SDL so excuse any stupid remarks I make. Here's the ...
1
vote
1answer
63 views

Gaps appearing between Sprites when scaling the stage

  I'm learning to use createjs using this game level to-be as a sandbox: http://www.mboyeman.com/dashingdog/   The level is composed of a single background image and 64X64pixel ...
2
votes
1answer
45 views

Saving resource

I'm trying to develope a simple platformer on Java, I was wondering if is it better to handle the collissions in a level (player with floor, player with enemy ecc...) by a level handler class which ...
2
votes
2answers
210 views

How to use camera transformation without depending on (1,-1) scale during spriteBatch.draw()

I am creating a 2D platformer type game in XNA. I currently have a camera object, with a position/rotation/zoomlevel that I use to generate a transformation matrix to pass to SpriteBatch.Begin(). ...
0
votes
1answer
207 views

Tile System with moving Platforms

I am using a tile based system where the level is stored in a char: char[,] Level2 = {{'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.'}, ...
1
vote
1answer
116 views

How to make loss of control acceptable?

Let's say the game we're talking about is some kind of platformer. With all the puzzles, mini-challenges and mechanics aspects it is very, very important to have good control over the character. A ...
0
votes
1answer
59 views

Stopping sprties from toppling off platform

I am new to Unity and am trying to create a simple 2d platformer. I have applied a box collider to my player sprite and the floor/platform its standing on. Now when I go over the platform, it toppes ...
4
votes
1answer
974 views

Algorithm for randomly generating reachable platforms

I want to randomly generate reachable platforms on the fly for a 2D game. Right now, I am just creating platforms at random x,y positions. Only 4 platforms can exist at once, so once the 5th one is ...
0
votes
1answer
3k views

Platformer raycast collision detection

I'm using Unity to create a 2D platformer. For collision detection, I'm using raycasting to detect any possible collisions with specific collision layers, and adjusting the desired delta x & y ...
13
votes
1answer
1k views

In platformer games, what are “hole in the ground” obstacles called?

In most jump and run games, holes in the ground are common obstacles: You need to jump over them, or you'll fall down and lose a life. It would be helpful to know for documentation, variable naming ...
-1
votes
2answers
465 views

How do I make a 2D platformer AI aware of its allies?

I'm trying to develop a 2D platformer AI that is aware of its buddies and tries to not overlap with them. However, I always end up with an "snake": I dont want them to be so robotic, but instead ...
1
vote
2answers
506 views

Vertical Scrolling In Tile Based XNA Platformer

I'm making a 2D platformer in XNA 4.0. I have created a working tile engine, which works well for my purposes, and Horizontal Scrolling works flawlessly, however I am having great trouble with ...
0
votes
1answer
40 views

Ground hitting system [closed]

I want to know how to make character hit ground and lose health. For example: when character is falling of one meter he losing only a small part of his health, and when he's falling of 10 metters he ...
1
vote
1answer
387 views

How do I ensure that my 2D side-scroller camera stays within the world bounds?

I have tried implementing a basic 2D sidescroller camera in XNA, but I don't want it to be able to scroll past the edges of my tile map! I tried to fix it, but when I get the left side working, the ...