Unity grid overlay

Discussion in ' Getting Started ' started by ZaceJan 12, Search Unity. Log in Create a Unity ID. Unity Forum. Forums Quick Links. Come check them out and ask our experts any questions!

Joined: Jan 28, Posts: Hi there, I've hot a mental block and I hope someone would be kind enough to help me out. I'm trying to generate a hexagon grid. Now before you all say there are loads of tutorial etc etc I have been through those and they all seem to be creating hex prefabs with 3d maps I am after a simple grid that I can lay over a map.

unity grid overlay

The map will be a 2d image scanned in - I am not initially generating the image, merely I want an overlay of line drawn onto an existing image. I assume I will have to load the image onto the surface of a box or something then add another layer so I can see a grid which will contain a coordinate system that I can then manipulate. Just wondering where to start. Thanks Z.

ZaceJan 12, Joined: Feb 6, Posts: 2, If it were me, I'd try adapting one of those tutorials you looked at for my use. Just because they're creating hex prefabs with 3D maps doesn't mean YOU have to, right?

You still want the hex, you just wouldn't give it any terrain or anything, and keep the height all the same essentially making it 2D. Then the hex map is just an unstyled grid you can position on top of your textured plane or however you load your scanned texture. Schneider21Jan 12, Ryiah likes this. Joined: Jan 14, Posts: 8, Is the difficulty in the math — i.

Or is it in actually drawing them? And if the answer is "both," then which do you want to tackle first? JoeStroutJan 12, All I want initially is to draw the 6 lines, turning 60 degrees each time to make the hex I dont want to make 3d shapes, after all its going to be a grid overlay on a 2d map I know its on a 3d shape but using a 2d orthographic camera Next step would be to create an array to hold them then the items in the array could hold specific info - coords, hexNo, data, etc.

OK, well the easiest way to draw the hex would be to just make a transparent texture, and throw it onto a Quad or Sprite or whatever. If that doesn't suit you, the next easiest way to draw them might be to use Vectrosity. It's really good at drawing lines. Or, you could make a 3D model of a hex outline using your favorite modeling program I'm on a Mac, and love Cheetah3D.

JoeStroutJan 13, Joined: Jun 18, Posts: 1.

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I made a web app in Blazor that allows you to upload any image and then draw a hexagon grid over it; customizable hexagon size, line thickness and line color. For the moment there is no readme planning on that, so check out the link for any updates! The simple way at this moment is: open Visual Studio or install the community versionclone the repository and run it.

M0nedulaJun 18, You use the Scene View to select and position scenery, characters, cameras, lights, and all other types of Game Object. More info See in Glossarywhich can help precisely align GameObjects The fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more.

More info See in Glossary by snapping moving them to the nearest grid location. You can also transform a GameObject in increments without aligning it with the gridlines. If you need to change how much you are moving, rotating, or scaling, you can change the increment snap values. By default, the grid is hidden, but you can make it visible and switch which axis it appears along. You can customize the grid in appearance and behavior by changing the following:. Many of these actions support keyboard shortcuts.

You can see which key combinations are assigned to these actions and use the Shortcuts Manager to customize them. You can align a GameObject to either the closest grid point on a single axis, or on all axes at once.

When you enable automatic grid snapping, the MoveRotateand Scale transform tools snap the selected GameObject s to the grid along the active gizmo axis. If you need the GameObject to move in smaller increments, you can also transform it incrementally. The Grid Visuals section contains several properties that let you set the same value for all axes or different values:. A Use the Move property to enter a increment snap value for all axes. This field is only enabled if the uniform checkbox B is enabled.

B The uniform checkbox toggles between enabling the Move property or the Axis properties. These properties are only enabled if the uniform checkbox B is disabled. You can toggle the grid visibility button on the Scene view Toolbar A row of buttons and basic controls at the top of the Unity Editor that allows you to interact with the Editor in various ways e.

If you are in orthographic mode, Unity chooses the correct view. Open the grid visibility drop-down menu from the toolbar. You can use the Grid and Snap window to set the size of the gridlines as they appear in the Scene view. If you set a size for all axes at once, a uniform square-based grid appears. However, you can also use different values on any of the three axes to see a non-uniform rectangular-based grid.

By default, the grid is set to a uniform distance 1 on all axes. A Use the Grid Size property to enter a uniform value for the visual grid. B The uniform checkbox toggles between enabling the Grid Size property or the Axis properties.

Note : You can also use the keyboard shortcuts to increase and decrease the size of the grid:. From under the Grid Settings section, adjust the value of the Opacity property. Nudging the grid brings it closer for example, if it is difficult to see your GameObject against a distant grid or sends it farther away. The grid appears on the y-axis again and the opacity is 0.

Next to the Grid Visuals heading, click the gear icon. Next to the Increment Snap heading, click the gear icon. Only the values under the Increment Snap section return to their original default values. From the grid visibility drop-down menu Aclick the overflow menu icon B.

unity grid overlay

Note : The settings on the Grid and Snap window are global to all Scene views. To change these default keyboard shortcuts, use the Shortcuts Manager.I'm currently working on my first unity game in 2D which is a tower defense and I've hit a small bump in the road.

I've designed the board with nodes which are not game objects but rather just contain information about position and size which I use for placement. Atm I'm trying to implement a overlay which show these nodes as green or red depending on there buildable status. Anyone done something like this befor? I've tried setting this up using planes, but I can't get them to scale properly with the node size.

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How to rotate camera around object smoothly in fixed intervals 1 Answer. Login Create account. Ask a question. Hi there, I'm currently working on my first unity game in 2D which is a tower defense and I've hit a small bump in the road. If you need more information just shout out and I'll supply what ever you need :. Add comment. Your answer. Hint: You can notify a user about this post by typing username.

Hexagon grid overlay

Welcome to Unity Answers The best place to ask and answer questions about development with Unity. If you are a moderator, see our Moderator Guidelines page. We are making improvements to UA, see the list of changes. Follow this Question. Answers Answers and Comments 2 People are following this question. Related Questions.Create a default Tilemap A GameObject that allows you to quickly create 2D levels using tiles and a grid overlay.

If you do not have these options, then 2D Tilemap Editor may not be installed. For the Hexagonal and Isometric Tilemap options, please refer to the documentation on their respective pages. After selecting the Tilemap option, a new Grid GameObject is created with a child Tilemap GameObject in the scene A Scene contains the environments and menus of your game.

Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info See in Glossary.

The Grid GameObject determines the layout of its child Tilemaps. The child Tilemap is comprised of a Tilemap component and Tilemap Renderer component. The Tilemap GameObject is where the Tiles are painted on. Create additional Tilemaps by selecting the Grid GameObject or the Tilemap GameObject, and then go to the menu: GameObject The fundamental object in Unity scenes, which can represent characters, props, scenery, cameras, waypoints, and more.

Once the Tilemap s are created, adjust the Grid property settings to adjust the properties of its Tilemap children.

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Version: Language : English. Unity Manual. Unity User Manual Creating Tiles. Tile Palette. Publication Date: By using our site, you acknowledge that you have read and understand our Cookie PolicyPrivacy Policyand our Terms of Service.

Stack Overflow for Teams is a private, secure spot for you and your coworkers to find and share information. Is there a way to draw a border around all the tiles in a Tilemap? I want this to be an option in my game, thus it should be by code and should be "activable".

Here's a image example:. Learn more. How to create a grid overlay for my tiles Unity's Tilemaps? Ask Question. Asked 1 year, 6 months ago.

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Active 1 year, 6 months ago. Viewed times. I am using Unity's 2D Tilemaps. Here's a image example: Thank you. Haytam Haytam 3, 2 2 gold badges 8 8 silver badges 31 31 bronze badges. CareyOn Done. So you want a grid overlay on your tiles? Yes, exactly. I'm still not sure if it's possible to do it without editing the sprites themselves. Active Oldest Votes. Sign up or log in Sign up using Google.

Sign up using Facebook. Sign up using Email and Password.If you do not have this option, then the 2D Tilemap Editor package may not be installed.

The Tile Palette window is empty by default. Select the New Palette drop-down menu to open a list of Tile Palettes available in the Project, or for the option to create a new Palette. Select the Create New Palette option to create a new Palette. After selecting the option to create anew Palette, the Create New Palette dialog box becomes available. It contains the different property settings and options available when creating a new Palette:.

Give the newly create Palette a name and select the desired settings, then select the Create button.

unity grid overlay

Select the folder to save the Palette Asset file into when prompted. The newly created Palette is automatically loaded in the Tile Palette window. Drag and drop Textures or Sprites A 2D graphic objects. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development. More info See in Glossary from the Assets Any media or data that can be used in your game or Project.

An Asset may come from a file created outside of Unity, such as a 3D Model, an audio file or an image. New Tile Assets are generated in the selected save location, and the Tiles are placed on the grid of the active Tile Palette window. Use the following shortcuts and actions to navigate the Palette window and began picking Tiles to paint on the Tilemap in the Editor window.

The Active Brush inspector A Unity window that displays information about the currently selected GameObject, Asset or Project Settings, alowing you to inspect and edit the values. More info See in Glossary is at the bottom of the Tile Palette window. You can use it to change the current active Brush and its properties. This is minimized by default.

To expand it, drag the bottom toolbar A row of buttons and basic controls at the top of the Unity Editor that allows you to interact with the Editor in various ways e.The Tilemap Renderer component renders the Tilemap A GameObject that allows you to quickly create 2D levels using tiles and a grid overlay.

Grid overlay

Think of each unique Scene file as a unique level. In each Scene, you place your environments, obstacles, and decorations, essentially designing and building your game in pieces. More info See in Glossary. Unity creates Tilemaps with the Tilemap Renderer attached by default. The Tilemap Renderer can:. If you are used to working in 3D, Sprites are essentially just standard textures but there are special techniques for combining and managing sprite textures for efficiency and convenience during development.

More info See in Glossary are sorted when rendered. Chunk Mode is the default rendering mode of the Tilemap Renderer:.

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They are treated as a single sort item when sorted in the 2D Transparent Queue. This reduces the number of draw calls to improve overall performance, however other Renderers cannot be rendered in between any portion of the Tilemap which prevents other rendered Sprites being able to interweave with the Tilemap Sprites. In Chunk Modethe Tilemap Renderer is not able to sort Tiles from multiple textures individually and does not render the Tile Sprites consistently see example below.

Pack all the individual Sprites that make up the Tilemap into a single Sprite Atlas to solve this issue. To do this:. Create a Sprite Atlas A texture that is composed of several smaller textures. Also referred to as a texture atlas, image sprite, sprite sheet or packed texture. More info See in Glossary window. Click Pack Preview. Unity packs the Sprites into the Sprite Atlas during Play mode, and correctly sorts and renders them. This is only visible in the Editor during Play mode.

In Individual Modethe Tilemap Renderer sorts and renders the Sprites on a Tilemap with consideration of other Renderers in the Scene, such as the Sprite Renderers A component that lets you display images as Sprites for use in both 2D and 3D scenes.

Use this mode if other Renderers interact with Sprites and objects on the Tilemap. In this mode, the Tilemap Renderer sorts Sprites based on their position on the Tilemap and the sorting properties set in the Tilemap Renderer. For example, this allows a character Sprite to go in-between obstacle Sprites see example below.

Using the same example in Chunk Modecharacter Sprites may get hidden behind ground sprites:. Using Individual Mode may reduce performance as there is more overhead when rendering The process of drawing graphics to the screen or to a render texture.

By default, the main camera in Unity renders its view to the screen. More info See in Glossary each Sprite individually on the Tilemap. Version: Language : English.

unity grid overlay

Unity Manual. Unity User Manual Creating a Tile Palette for an Isometric Tilemap. Scriptable Brushes. Publication Date:


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