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
76 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
45 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
33 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 ...
0
votes
0answers
22 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 ...
0
votes
2answers
155 views

Basic 2d platform collision detection algorithm has a slight bug (Java)

I'm trying to implement collision detection between Player (the main character) and a Platform. They are both modelled as rectangles; when player hits the side of a platform he should bounce off it ...
1
vote
3answers
112 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 ...
0
votes
0answers
37 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
43 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
53 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
0answers
150 views

Help slope tile collision platformer (XNA/C#) 2D

I have been creating a platform game in C# and XNA, everything works pretty well least the slope (down left and right). This is the project that I have so far. PlatformGameEngine.rar if the ...
2
votes
2answers
137 views

Jumping higher when the player touches a trigger collider in Unity

Im using Unity engine to create a 2D platformer. My character can single/double jump, this works fine everywhere except when i am in range of a collider with a IsTrigger set to TRUE, then my character ...
0
votes
1answer
110 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 ...
2
votes
1answer
89 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 ...
0
votes
3answers
65 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 ...
4
votes
3answers
430 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
0answers
31 views

Processing.js for loop not executing all the way

I'm trying to add elements to an ArrayList (in Processing.js, basically a javascript array) in a for loop. BEcause of the many objects I need to add, the for loop is not incrementing all the way ...
3
votes
5answers
341 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
145 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
280 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 ...
3
votes
2answers
453 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 ...
0
votes
1answer
202 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
235 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
198 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
2answers
179 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 ...
0
votes
1answer
1k 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
756 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
votes
1answer
133 views

Adding a small slide when player releases left/right key

The aim is for the player object to slow down and stop instead of just stopping dead. The following codes works ok when the player is not jumping, but gets stuck in an object if the player is in the ...
0
votes
1answer
949 views

Random/procedural generation of puzzle-platform levels

I have an idea for a puzzle-platform game where the levels would be randomly generated. Creating a random generation is relatively simple. What's not easy is checking that randomly generated level to ...
0
votes
1answer
274 views

Can I have a fixed-angle sprite with a non-fixed-angle CircleCollider2D?

In Unity2D, can I have a fixed-angle sprite with a non-fixed-angle CircleCollider2D? I would like to move my character using the circle physics (without fixed-angle), but display him always as if he ...
1
vote
1answer
156 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
828 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 ...
1
vote
1answer
529 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
1k 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 ...
1
vote
1answer
50 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
43 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 ...
1
vote
2answers
286 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 ...
5
votes
3answers
1k 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. ...
2
votes
2answers
141 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(). ...
1
vote
1answer
103 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
948 views

How to find objects in front of my player

I am trying to find an object that is in front of my player sprite using the following code RaycastHit2D hit = Physics2D.Raycast(transform.position,Vector2.right,EnemyLayer); //EnemyLayer is the ...
0
votes
1answer
155 views

Tile System with moving Platforms

I am using a tile based system where the level is stored in a char: char[,] Level2 = {{'.','.','.','.','.','.','.','.','.','.','.','.','.','.','.','.'}, ...
0
votes
1answer
52 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 ...
0
votes
0answers
176 views

How to design basic physics and movement behavior for 2D platformer?

I want to make a simple 2D platformer. I know some basic 2D physics and how to implement them in a game. How to make a character jump, accelerate, decelerate, etc. But I have no idea how to actually ...
4
votes
1answer
622 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
2k 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 ...
12
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
350 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 ...
0
votes
1answer
38 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
268 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 ...
1
vote
2answers
166 views

Calculate shadow map to overlay hidden line-of-sight things in 2d?

Given a 2D sideview with even-sized grid squares and our hero in a known center-ish position like this ... and imagining this hero's line of sight like this... how could one get the point values ...