Procedurally Generated 2D Terrain Procedural Generation

[@marynanovohorodska8784]

Thank you very much, I couldn't find a video about using rule tiles in world generation. Thank you!👏

[@larsmaasanimaties4594]

i made this but instead of placing tiles. i just changed pixels on a texture. Works great. thank you

[@apesign8668]

Great video. It's simple to follow and works just fine

[@liam9996]

TerrenGeneration!

[@liam9996]

@MioShimura The method name...

[@v0id_d3m0n]

thank you! this was really helpful

[@MrCrompz]

1:26 i dont have the new components from the script

[@FLStudioTutorialz]

Great explanation. Thank you very much for your effort. It helps a lot.

[@eduato_yt]

great video dude!

[@Tyquanfanboy]

i cant use the tile map you posted in the description

[@Austeja608]

for some reason for me it only generates square same as in 9:21 entire code: using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.Tilemaps; using Unity.VisualScripting; public class generation : MonoBehaviour { [SerializeField] int width, height; [SerializeField] float smoothness; [SerializeField] float seed; [SerializeField] TileBase groundTile; [SerializeField] Tilemap groundTilemap; int[,] map; // Start is called before the first frame update void Start() { Generation(); } // Update is called once per frame void Update() { if (Input.GetKeyDown(KeyCode.Space)) { Generation(); } } void Generation() { groundTilemap.ClearAllTiles(); map = GenerateArray(width, height, false); map = terraingeneration(map); RenderMap(map, groundTilemap, groundTile); } public int[,] GenerateArray(int width, int height, bool empty) { int[,] map = new int[width, height]; for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { map[x, y] = (empty) ? 0 : 1; } } return map; } public int[,] terraingeneration(int [,] map) { int perlinHeight; for (int x = 0; x < width; x++) { perlinHeight = Mathf.RoundToInt(Mathf.PerlinNoise(x / smoothness, seed) * height); for (int y = 0; y < perlinHeight; y++) { map[x, y] = 1; } } return map; } public void RenderMap(int[,] map , Tilemap groundTilemap, TileBase groundtilebase ) { for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { if (map[x,y] == 1) { groundTilemap.SetTile(new Vector3Int(x, y, 0), groundtilebase); } } } } }

[@solomonr4728]

same

[@xxxxxxxxxxxxxxxxxx12]

i have solution that worked, change this false to true "map = GenerateArray(width, height, false);".

[@jaymhlurbaloyi7813]

can you do a 2D top-down version of this

[@jkewlo]

Anyone having problems with the camera? and the bottom left meeting at the center of the camera?

[@chronoabi]

Yeah its because the position (0,0,0) is the center of the video

[@mysterymatt4761]

@@chronoabi a little more explanation on this question please! :D ur rly one oft he greatest tutorial makers out here!

[@danielreparos7050]

Can you do this with tile?

[@jiakai7254]

hi I cannot drag and drop things from hierarchy/assets to inspector pls help TT (Mac user)

[@suprememarshal2015]

Nice tutorial. How can I check for specific tile being next to the rule tile? I need to check if a tile is stone then use a stone variant and if it's next to dirt, it use dirt variant. But if I make two separate rule tiles, they won't work together when a dirt rule tile is next to a stone rule tile.

[@pixelpat777]

Great video thanks @ChronoABI !!! What if i wanted to add perlin noise octaves to this, where and what would i put?

[@justadudewhoplaysgames2262]

can someone help? its only generating a square instead of procedural square

[@search_me_tilak]

Superb plz upload more videos

[@chronoabi]

Sure 😊

[@BigGuy07]

How many people noticed that he typed in 69 and 420 in as the seed? Nice.

[@Lubicabis]

How can i put a Collider on the tiles, i use a rule tile, with the collide type "Sprite" but nothing happens if my player falls on it so he falls through it edit: solved it myself, just put a tilemap collider on the tilemap!

[@Rpars20]

use the "TileMap Collider2D" on your groundTileMap

[@JasonEllingsworth]

I am going nuts here, and since I am pretty sure I got the code from you or from the blog, maybe you can help. I need to have all the tiles have their own identity, or be their own instanced unique object. I use playmaker because I am very new. I need to basically attach an FSM either beforehand or on collision that destroys the tile if it is collided with a projectile. How do I achieve this? Currently in the hierarchy only one object is made that is the entire terrain with one Tilemap Collider. Any help you could give would be great and thank you.

[@chronoabi]

Use game objects like prefabs of your individual tile so that all of them are seperate. Sorry for the late reply

[@sripranav]

Can we make it much more smoother?

[@elithevil]

great vid, tnx! i have one issue tho, for some reason pressing space doesnt do anything not does it show any errors..not sure why. ive also added debug log both before and after clearAllTiles and its shows both when i press space. code: [SerializeField] int width, height; [SerializeField] float smoothness; [SerializeField] float seed; [SerializeField] TileBase groundTile1; [SerializeField] Tilemap groundTilemap; int[,] map; // Start is called before the first frame update void Start() { seed = Random.Range(0, 100000); Generation(); } // Update is called once per frame void Update() { if (Input.GetKeyDown(KeyCode.Space)) { Generation(); } } void Generation() { groundTilemap.ClearAllTiles(); map = GenerateArray(width, height, true); map = TerrainGeneration(map); RenderMap(map, groundTilemap, groundTile1); }

[@chronoabi]

Give me like your whole code bro I will test it out. Edit : I tried it and it works perfectly so give me your code

[@elithevil]

@@chronoabi using System.Collections; using System.Collections.Generic; using UnityEngine; using UnityEngine.Tilemaps; public class ProcGeneration : MonoBehaviour { [SerializeField] int width, height; [SerializeField] float smoothness; [SerializeField] float seed; [SerializeField] TileBase groundTile1; [SerializeField] Tilemap groundTilemap; int[,] map; // Start is called before the first frame update void Start() { seed = Random.Range(0, 100000); Generation(); } // Update is called once per frame void Update() { if (Input.GetKeyDown(KeyCode.Q)) { Generation(); } } void Generation() { groundTilemap.ClearAllTiles(); map = GenerateArray(width, height, true); map = TerrainGeneration(map); RenderMap(map, groundTilemap, groundTile1); } public int[,] GenerateArray(int width, int height, bool empty) { int[,] map = new int[width, height]; for (int x = 0; x < width; x++) { for (int y = +0; y < height; y++) { if (empty) { map[x, y] = 0; } else { map[x, y] = 1; } } } return map; } public int[,] TerrainGeneration(int[,] map) { int perlinHeight; for (int x = 0; x < width; x++) { perlinHeight = Mathf.RoundToInt(Mathf.PerlinNoise(x / smoothness, seed) * height); for(int y = 0; y < perlinHeight; y++) { map[x, y] = 1; } } return map; } public void RenderMap(int[,] map, Tilemap groundTileMap, TileBase groundTilebase) { for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { if (map[x,y] == 1) { groundTilemap.SetTile(new Vector3Int(x, y, 0), groundTilebase); } } } } }

[@chronoabi]

BRUH void Update() { if (Input.GetKeyDown(KeyCode.Q)) { Generation(); } } Did you try pressing Q 😂😂🤣

[@elithevil]

@@chronoabi yea ive just changed it for my preference but its the same thing. if i remove generation(); from start function, than i press q, it generates a world. but if its already generated nothing happens.. from what i understand it should remove all tiles than just make new ones.

[@chronoabi]

That is because you have to put different seed value everytime before generating tile. Try putting "Seed = Random.Range(0,100000)" in the generation function just after your clearAllTiles

[@Ahmed-ic9ft]

could u do a chunk feature so that only visible chunk is active so that to map can be bigger without lag

[@chronoabi]

I am trying learn /figure that out. So once I do that I will

[@Ahmed-ic9ft]

@@chronoabi this might help: github.com/Xonor13/Tranquility

[@Ahmed-ic9ft]

also a vid: kzbin.info/www/bejne/mqGog2mvmdR2mac

[@chronoabi]

@@Ahmed-ic9ft thankyou soo much bro. I was trying to figure out how to move through procedurally generated world for so long. Love you bro🤩

[@zanspl]

@@chronoabi This would be amazing to implement into this project :O

[@zanspl]

Hey so for some reason nothing gets spawned in, but there are no errors shown, could it be that i have my rule tile wrongly made?

[@chronoabi]

Show me the code bro.

[@zanspl]

@@chronoabi public class ProceduralGeneration : MonoBehaviour { [SerializeField] int width, height; [SerializeField] TileBase groundTile; [SerializeField] Tilemap groundTilemap; int[,] map; void start() { map = GenerateArray(width, height, false); RenderMap(map, groundTilemap, groundTile); } public int [,] GenerateArray(int width, int height, bool empty) { int[,] map = new int [width, height]; for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { map [x, y] = (empty) ? 0: 1; } } return map; } public void RenderMap(int[,] map, Tilemap groundTileMap,TileBase groundTilebase) { for (int x = 0; x < width; x++) { for (int y = 0; y < height; y++) { if (map[x,y] == 1) { groundTileMap.SetTile(new Vector3Int(x, y, 0), groundTilebase); } } } } }

[@elithevil]

@@zanspl i think it should be true, not false in: void start() { map = GenerateArray(width, height, false); RenderMap(map, groundTilemap, groundTile); }

[@zanspl]

@@elithevil Nope same with true, also first he tries it with false (9:16), and then shows us how when its true(9:45) it doesnt spawn anything :/

[@chronoabi]

Bro your start Has a small "s" that's why ist not registering as the start function of the game. For a minute even I was "Wait like nothing is wrong here why is it not working" 😂😂

[@lozD83]

"Discription"

[@The_Dxvil]

so i like this but use the next time other scripts that u dont need to use tilemaps and i used instead of tilemaps Sprite2d and it doesn't create bugs anymore because i was doing soething like that a long time ago and had so many bugs with it and now im making a 2d game with a terrain generator and it doesn't have bugs anymore because i changed so much with the terrain generator and added 2 scripts and it works fine even if i stress test it like i want 1000 generated and it makes it really fine and really fast

[@chronoabi]

Sorry for the late reply. But thankyou soo much for the suggestion . I will try to implement this in my project and continue this series shortly

[@gsc8902]

69 420 hahaha "legendary values"

[@КсенийКот]

This is very inefficient. You may rethink the code completely if you are making an implementation in a production project

[@MysticpyMC]

[SerializeField] int width, height; [SerializeField] float smoothness; [SerializeField] float seed; [SerializeField] TileBase groundTile1; [SerializeField] Tilemap groundTilemap; int[,] map; // Start is called before the first frame update void Start() { seed = Random.Range(0, 100000); Generation(); } // Update is called once per frame void Update() { if (Input.GetKeyDown(KeyCode.Space)) { Generation(); } } void Generation() { groundTilemap.ClearAllTiles(); map = GenerateArray(width, height, true); map = TerrainGeneration(map); RenderMap(map, groundTilemap, groundTile1); }

[@chronoabi]

what is this bro ??

[@chronoabi]

Wait is that an Improved version of my code?? Bro thats quite cool 🤯