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

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4answers
333 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
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
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
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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
535 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
518 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
419 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
2answers
106 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
563 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
174 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
200 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
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2answers
155 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
12k 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 ...
2
votes
0answers
55 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
98 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 ...
2
votes
3answers
151 views

How can I scale sprites and maintain visual quality?

I currently have an isometric grid. This grid contains tiles. Some of these tiles have 'tree' sprites sitting upon them. If I have my tree sprite loaded from a texture with a fixed resolution, when I ...
2
votes
2answers
4k 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 ...
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vote
2answers
635 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
1answer
404 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
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
2answers
114 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
179 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
3answers
120 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 ...
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3answers
133 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
85 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
3answers
976 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 ...
1
vote
1answer
117 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
281 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
149 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
54 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
2answers
515 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
89 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
174 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
1answer
66 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
618 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 ...
1
vote
1answer
967 views

Efficient Way to Draw Grids in XNA

So I am working on a game right now, using Monogame as my framework, and it has come time to render my world. My world is made up of a grid (think Terraria but top-down instead of from the side), and ...
1
vote
1answer
431 views

Creating an interactive grid for a puzzle game

I am trying to make a slitherlink game, and am not too sure how to approach creating the game, more specifically the grid structure on which the puzzle will be played on. This is what a empty and ...
1
vote
1answer
766 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 ...
1
vote
1answer
2k 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: ...
1
vote
1answer
791 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
0answers
41 views

How do I recognize squares, rectangles … (like in TwoDots)?

I currently working on a small mobile game. Not a clone of TwoDots(!) but I need to recognize patterns like they do and I use the game as an example. How the game works? Players have to connect dots. ...
1
vote
1answer
58 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
1answer
120 views

Where can I find info on grid based algorithms for stateless AI? [closed]

There seems to be an overwhelming amount of info out there on AI of all kinds, and it's kind hard to digest at once. For my testing purposes, I'm creating a "typical stateless AI", as described in ...
1
vote
2answers
258 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, ...
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vote
2answers
1k 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 ...
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vote
2answers
361 views

How would I go about making a movement system like Mario Party?

Main question How would I go about getting a movement system similar to the one they have in Mario Party only minus the dice roll? Things I have researched I have been studying the uses for ...
0
votes
3answers
633 views

Line of sight on a 2d grid

I've been looking for similar questions here and on google, but none have worked for me yet. I have a game, where I have a 2d array of square tiles (they're objects with accessible x and y pixel ...
0
votes
2answers
197 views

Generate a 2D distance grid in one pass

I'm trying to generate a 2D grid, for use in navigation, where each grid point holds the distance to the nearest obstacle (such as impassable terrain, or a constructed building). So for example, a ...