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

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3
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2answers
358 views

AI remembering obstacles without a grid

For some research purpose I've build a small tanks game where you have 1 tank controlled by a player and one or more NPC tanks. Now I want these NPC tanks to navigate through a field which they have ...
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 ...
3
votes
0answers
83 views

Proper Line of Sight in tile based game

My rendering engine currently takes "xMin, yMin, xMax, yMax" to render a rectangular region of tiles, and will automatically scale based on the size of the panel it is rendering to. However, I am ...
3
votes
2answers
139 views

Creating LOS zones on a 2D grid for chase AI

I have a 2D grid, around 20x20, stored as an array. Each grid cell can contain an opaque object or not. I also already have an algorithm to calculate LOS between any two squares via Bresenham. I want ...
3
votes
2answers
273 views

Aligning pathfinding to the center of tiles?

I'm looking to achieve tile by tile movement in a project I'm working on. I employed the use of the asset Simply A* Path-finding to allow a unit to navigate the terrain. Since the tiles are ...
3
votes
1answer
1k views

Help with a Fast 2D Grid-Based world rendering technique

First I'm going to give you my current situation and explain what I'm attempting. I will then pose my question below. I will attempt to include a "TL;DR" for those of you who prefer things to be ...
2
votes
4answers
357 views

Is moving entities between sectors of a grid spatial partitioning inefficient?

I'm using a grid system for spacial partitioning. If I have moving entities, will I have to reassign every entity to its correct section every frame? Surely this is inefficient. Have I got the wrong ...
2
votes
3answers
4k views

How to calculate corner marks of a rotated rectangle?

I've got two elements, a 2D point and a rectangular area. The point represents the middle of that area. I also know the width and height of that area. And the area is tilted by 40° relative to the ...
2
votes
3answers
3k views

How do I code a 2D tile map? [closed]

I'm new to game development and I want to know how to create a tile map. The map should be divided into squares, such that each square represents a location like x : 10, y : 10. The width and height ...
2
votes
2answers
2k 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
1k views

Path finding in hex grid based game

I'm making a TBS with hex grid. Player can move units from one hex to another using bridges, which will be randomly generated. I'm using cubic and axial coordinate system for my grid, it's well ...
2
votes
3answers
611 views

Detecting Units on a Grid

I am making a little turn based strategy game in pygame, that uses a grid system as the main map to hold all the characters and the map layout. (Similar to Fire Emblem, or Advance Wars) I am trying ...
2
votes
1answer
554 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 ...
2
votes
1answer
3k views

C++ How to implement a spatial hash (for a 2d Game)

I feel kind of silly for asking this question, but are there examples or tutorials on how to implement a spatial hash (grid/cell-based partitioning), preferably in C++? I'm stuck and I have no idea ...
2
votes
1answer
451 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 ...
2
votes
1answer
78 views

AI on a 2d grid in python

I'm trying to figure out how to do a simple search/chase AI. I know that I'm going to have to search around the mob entity to figure out if the player is close enough, I could probably get that done ...
2
votes
2answers
152 views

How to find all the possible places to go on a grid?

Given the amount of steps you can take in a grid, how could I implement a way to get all the possible places a unit can go to, in a game like Advanced Wars? I have currently got A* path finding ...
2
votes
1answer
827 views

what is the simplest way to get player selection system like checkers in unity 3d c#

like lets say the board is a top down grid like if your were in front of an actual checkers board i want to figure out how i would be able to select/deselect a piece then select/deselect a space on ...
2
votes
4answers
201 views

Storing tile grid in a matrix: row major vs column major

I'm using a generic matrix container to store the tile grid for my RTS game. This is where I am confused: a matrix is traditionally row major, i.e. matrix(0, 10) means 'at 0th row, 10th column.' A ...
2
votes
1answer
208 views

Should I take line thickness into consideration for a grid based light game?

I'm currently rewriting some horrific code I wrote for a prototype and have stumbled right at the start! The game I'm working on revolves around directing light and there is a small ambiguity in ...
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 ...
2
votes
2answers
168 views

AI and shapes in 2D Grid

I'm working on a grid- and turn-based strategy rpg. My problem is concerning finding best position for my AI to use a skill. But lets start at the beginning. My plan is to make each skill an action ...
2
votes
1answer
101 views

Increment grid by rotation

I'm currently working on a grid for snapping objects side by side. My current script is working fine, but only for game objects which haven't been rotated. Here is an example video of the problem: ...
2
votes
2answers
311 views

Show a range grid movement as3

How do I show range of grid movement in AS3? When player controls a character and chooses "move" options, the grid of movement will be displayed as 3 grid of X, 4 grid of Y (Both sides, + and -). So, ...
2
votes
2answers
5k views

How to code a Game Grid in Java?

Suppose I wanted to code a game grid in java. Not an abstract text one but an actual grid with graphics and 'cells'. Would I have to draw line by line or is there a more efficient way? Also how would ...
2
votes
2answers
309 views

Finding a moving target in a maze

I'm making a game that is a bit of a mix of snake and pacman. Basically, two players go through the maze and each time they pick up a piece of candy, a cube is added to their tail. If one player ...
1
vote
2answers
816 views

Converting hexagon grid coordinate system

As I have been building on a RTS game based on hexagon grid built in javascript. I stumbled across a problem regarding the coordinate system. Have been trying to implement a A-star system to find ...
1
vote
2answers
2k views

How can I make a tile appear on top of another without completely blocking the tile below?

Making a small RPG with libdgx just for learning about how to draw tiled maps and move around in them. I've got the tiles drawn and OrthographicCamera stuff figured out so I can see my world. My ...
1
vote
1answer
432 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
546 views

How to detect collision of a wall with grid movement?

I have this little game, where my player is moving around a simple level, using a grid based movement script (See code below). My problem is that I have tried to implement a 2D raycast, which has to ...
1
vote
4answers
185 views

Logic that can traverse all possible layouts, but not checking every combination of identical pieces?

Suppose we have a grid of arbitrary size, which is filled by blocks of various widths and heights. There are many 2x2 blocks (meaning they take a total of 4 cells in the grid) and many 3x3 blocks, as ...
1
vote
1answer
3k views

How do I match and clear sequences 3 adjacent coloured blocks?

I'm making a game with elements of a match-3 puzzler (such as Columns, Bejeweled or Tetris Attack). I don't know where to begin creating an efficient algorithm for matching and clearing. My ...
1
vote
1answer
80 views

How should I store a procedurally generated grid level of an infinite size?

I have a 2d grid level. It infinitely grows. If it was not of infinite size, a 2D array would be perfect, as I need to constantly have each grid talk to its neighbors. For example, with a 2D ...
1
vote
1answer
71 views

Finding the “Important” nodes of a grid path

On a Navmesh Grid, all nodes are essentially vertices or turn-points so the returned path is efficient in that it only involves points where an entity must change its direction. A grid path, however, ...
1
vote
3answers
191 views

Finding neighboring coordinates on offset tile map

I have a grid of hexagonal tiles. Every other row is slightly offset for visual reasons. Imagine a player touches any tile - I need to compare the coordinate of that tile, with any tile they touch ...
1
vote
3answers
169 views

How Efficiently preform collision detection in NxN rectangle grid

i have simple level that constructed from NxN rectangle grid some of the rectangles are walls and some of them are the path the player allowed to move only on the path they are also rectangle from the ...
1
vote
2answers
87 views

Simplify paths when a user builds

I am looking for some guidance on how to simplify my nodes on a path when a user builds on the fly. Imagine a path like this with a gap: Logically 3 nodes are required 2 connected one isolated. ...
1
vote
1answer
130 views

Implementing movement on a grid

I have a simple snake game, where I have other NPC snakes on the field. How do I calculate the movement of those other snakes so that they did not hit walls, and each other? So far I have it like ...
1
vote
2answers
303 views

Filling in gaps in a grid

I have a set of terrain sprites available to represent terrain: Flat North-South Straight Cliff (x 2 allowing for slope direction either way) West-East Straight Cliff (x 2 allowing for slope ...
1
vote
1answer
158 views

Travelling in a 2D grid

I have a 2D grid (x,y coordinates) where each cell corresponds to each pixel of the interface that I am working with and I have a point A(x1,y1). Now I need to travel around in the grid, and I wont ...
1
vote
1answer
62 views

3D Planetary gravity

so i am making a thing in javascript and i want to have planetary gravity in my "universe". But when i use an equation to calculate the acceleration by gravity i get one number. That is how fast the ...
1
vote
1answer
53 views

Positioning game object on a grid

I am learning how to code by programming easy, 2D games. Here I want to try to get only a map, like in strategy games (2D isometric) and put new objects (pictures) on it. In short: I want load a big ...
1
vote
1answer
142 views

Finding flexible patterns in a 2D grid

I'm stumped trying to create a matching algorithm for my game. I have a 2D grid like this for example: 0, 0, 0, 0, 0, 0 0, 1, 2, 2, 1, 0 0, 1, 1, 0, 0, 0 0, 0, 2, 0, 1, 0 0, 0, 0, 2, 1, 0 0, 0, ...
1
vote
1answer
95 views

Implementation of finding an index in a 1D array for a triangular grid

Am using a while loop to find an index within a 1D array, is there an easier, less-time-consuming and/or mathmatical way to find the index? Consider the next grid: 4 o |\ | \ | ...
1
vote
2answers
1k views

How can I highlight and move to adjacent tiles in an isometric grid?

I trying to create a turn-based strategy game where you move a game object from one tile of a grid to another tile near it. I have created the grid using sprites and game objects but can't sort out ...
1
vote
1answer
102 views

Design question: best way to model and visualize a long grid of data [closed]

Perhaps some noob questions for a scientific application that you can assist with: I am trying to render a large, evenly spaced grid of data in 2D. The full data set dimensions could be anywhere from ...
1
vote
1answer
215 views

What's a clean way to find (up to) 3x3 squares within a 6x6 grid?

I have a 6x6 grid where every cell have a color property (simply integer value). Player can change one cell at a time to form rectangles of the same color inside of the grid. New rectangles can only ...
1
vote
2answers
466 views

Unity Grid System

I'm creating a tower defence game and I've been struggling on one of the core parts of the game. What I'm trying to do is create a plane that the user can clink on and build a tower at that location. ...
1
vote
1answer
75 views

How can I assist players navigating narrow grid junctions?

I'm looking for a technique to help the player navigate a narrow path while the character is in constant motion. When changing direction in junctions, it's pretty hard to time the direction change for ...
1
vote
1answer
708 views

Grid-Based 2D Lighting Problems

I am aware this question has been asked before, but unfortunately I am new to the language, so the complicated explanations I've found do not help me in the least. I need a lighting engine for my ...