Tagged Questions

0
votes
0answers
146 views

2D tile-based collision: avoid tunneling

We have a box that tries to move from A to B. In order to avoid tunneling we need to check if there is a collision in the path described by its four corners. Let's focus on the bottom-right corner of ...
1
vote
6answers
448 views

Is it good to sort objects list before every rendering?

I need to render a "tile" game, which are like these: or or I don't know how to render them in correct order. I intend to perform a sorting operator before every rendering (depending on their ...
6
votes
2answers
233 views

Algorithm to select all cells inside rooms/regions

I have a 2d game map consisting of several 'rooms' For example, here is a 2D map grid: (Brown cells = wall tiles) If I click on a tile (that isn't brown), I would like to obtain an array of all ...
6
votes
1answer
308 views

Elegant autotiling

I'm looking for information about how people implement autotiling in their tile-based games. So far I have always improvised it with a bunch of hardcoded "if ... else ..." statements, and now I ...
0
votes
1answer
170 views

Iterating 1D array and getting 2D tile position

I know I'm missing something very obvious here, but I have a 1D array that contains integers.I have a map that is 30 x 30 and the center coordinate is 0,0 (This is actually 3D, but I'm essentially ...
5
votes
4answers
365 views

Find nearest tile of type x

I currently have an array of tiles which makes up the tilemap (stored as an int array) and I want an NPC to be able to move itself to the nearest tile of type X (ie find the nearest tree and chop it ...
4
votes
3answers
318 views

Creating the nodes for path finding during run time - more like path making and more

I'm making my 1st game. I'm using javascript as I currently want to learn to make games without needing to learn another language but this is more of a general game dev question. It's a 2d turn-based ...
9
votes
5answers
522 views

Increasing the probability for similar tiles to generate next to each other

I'm working on a tile map system, which insofar looks like this (green is grass, air is white, stone is grey, and blue is water): It uses a simple random number generator so that there's a 45% ...
5
votes
2answers
604 views

Tile pair matching algorithm

I'm trying to make a tile matching game. User can select a pair of tiles from a square grid, and if they match, both are removed from the grid. Tiles are matched if: they are of the same type ...
4
votes
2answers
162 views

What is the best way to store temporary selected characters and their insertion order?

I'm developing word game similar to word mole. I'm having a hard time determining how to store temporary selected character (and in turn will changed into word). Here's the situations. Say, I have ...
11
votes
3answers
7k views

How can I create a random “world” in a tile engine?

I am designing a game that is working on a classic tile engine, but whose world is generated randomly. Are there existing games or algorithms that do this? The procedural generation algorithms I have ...
7
votes
1answer
971 views

Finding out which tile a mouse click landed in

I am working on an isometric grid based game and im having an issue trying to link a mouse click from the user to a tile. I have been able to split the problem into 2 parts : Finding a rectangle ...
2
votes
2answers
633 views

Path finding in grid for objects that occupy more than one tile

In a grid-based game I am working on, I want to add objects that occupy more than one tile of the grid. Are there any algorithms or techniques to find paths for this kind of objects?
6
votes
2answers
352 views

Making a symbol appear on any colour

I'm developing an RPG/roguelike-style game. Instead of having maps like: ......... ......... ....@.... ...h..... Oh look, a dwarf. I was having solid background tiles, So sort of a tile based RPG ...