A regular tessellation of a surface to create uniform, contiguous cells arranged in a consistent pattern.

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5
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2answers
2k views

3D terrain map with Hexagon Grids

I'm working on a hobby project (I'm a web/backend developer by day) and I want to create a 3D Tile (terrain) engine. I'm using XNA, but I can use MonoGame, OpenGL, or straight DirectX, so the answer ...
4
votes
1answer
399 views

Space Invaders-type game: Keeping the enemies aligned with each other as they turn around?

OK, so here's the lowdown of the problem I'm trying to solve. I'm developing a game in PyGame that's a cross between Space Invaders and Columns. I'm trying to make the motion of the enemies similar ...
1
vote
1answer
714 views

Drawing 2D Grid in 3D View - Need help with method

I'm trying to draw a simple 2D grid for an editor, to able to navigate more clearly around the 3D space, but I can't render it: Grid2D class, creates a grid of a certain size at a location and should ...
2
votes
1answer
397 views

Detect if square in grid is within a diamond shape

So I have a game in which basically everything is a square inside a big grid. It's easy to check if a square is inside a box whose center is another square: *** x *o* --> x is not in o's ...
3
votes
3answers
845 views

Keeping player aligned to grid in Pacman

I am making a Pacman game using XNA. The game is tile based, with each tile being 32 pixels. As the player moves, I need to know whenever it is perfectly on a tile (ie position of 32, 64, etc...) so ...
0
votes
2answers
944 views

OpenGL align grid like glOrtho but with gluPerspective?

Using gluPerspective makes OpenGL's grid really messy and rather hard to use especially when trying to do mouse input. The grid that perspective uses is completely messed up compared to the grid you ...
1
vote
1answer
1k views

Displaying a grid based map using C++ and sdl

I am trying to create a roguelike game using c++ and SDL. However, I am having trouble getting it to display the map, which is represented by a 2d array of a tile class. Currently, my code is this: ...
2
votes
1answer
3k views

Any way to set up a grid for a board game in cocos 2d?

My first idea was to create a 2d array for my columns and rows, but it seems like there should be a better, or possibly cleaner, way to achieve this. Each square on the grid is going to have a ...
4
votes
3answers
576 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 ...
1
vote
1answer
741 views

terrain grid rendering problem

I'm using DirectX 9 and attempting to write a simple terrain generation object. I'm running into trouble with the rendering - I'm hoping that this is a common problem, and someone could spot the ...
1
vote
1answer
382 views

Getting fastest path on a grid

How would I go about finding the fastest path to connect two points on a grid? I'm making a 2D game and the map is based around a grid. I need to be able to account for any blocked tiles that the ...
1
vote
2answers
984 views

Reference a single 2d Rectangle in an array

What I am attempting to do probably has a very simple answer but I can't make heads or tails of it no matter how hard I try. Provided I'm a newb. What I am trying to do is after I create a grid of ...
6
votes
2answers
2k views

Grid/cell based light system

I am working on a top-down, 2d cell-based RPG game. I would like to implement a cell based lighting system, something like this and this. I basically have several light sources and light deteriorates ...
3
votes
2answers
1k views

How can I make grid tiles/plane transparent

I have made a grid using multiple planes. Now I want to place a image on this grid so that user cant see the grid I have made and I ll have access of all points of the image using grid. The problem ...
0
votes
1answer
3k views

Basic A star implementation tutorial [duplicate]

Possible Duplicate: Pseudo-code examples of A*? Hey guys Iam making a TD game and now I am stucked in implementing A star algo. I know there are many 3d party softwares but they are ...
2
votes
1answer
11k views

What is grid in Unity and how can I implement it?

I'm a beginner. I need to place a grid on my map in Unity and would like to access it to place a simple object on mouse click. How can I achieve this ? I am unable to understand the grid ...
4
votes
2answers
2k views

Algorithm to fit shapes to 2D grid?

Let's say you have an n-by-m grid. Some squares are occupied, some are not. You want to know where in the grid you can fit arbitrary shapes such as to not hit an occupied square. The shapes would ...
8
votes
3answers
1k views

How to find 2D grid cells swept by a moving circle?

I'm making a game based on a 2D grid, with some cells passable and some not. Dynamic objects can move continuously, independent of the grid, but need to collide with impassable cells. I wrote an ...
2
votes
2answers
1k 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?
2
votes
1answer
504 views

Best way to create a 2D right-triangle grid

I would like to create a 2D right triangle grid for a game I am working on. Currently I am creating creating a 2D square grid, and each square contains 2 triangles. I am wondering, is there a way to ...
9
votes
1answer
1k views

Generating a town layout in a grid

I want to generate a town layout in a square grid (rendered isometrically, but that doesn't matter) using the following elements: 2x2 Houses Roads, 1 unit wide Canals, 1 unit wide Sample layout: ...