• Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
  • Asset Store
  • Get Unity

UNITY ACCOUNT

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account
  • Blog
  • Forums
  • Answers
  • Evangelists
  • User Groups
  • Beta Program
  • Advisory Panel

Navigation

  • Home
  • Products
  • Solutions
  • Made with Unity
  • Learning
  • Support & Services
  • Community
    • Blog
    • Forums
    • Answers
    • Evangelists
    • User Groups
    • Beta Program
    • Advisory Panel

Unity account

You need a Unity Account to shop in the Online and Asset Stores, participate in the Unity Community and manage your license portfolio. Login Create account

Language

  • Chinese
  • Spanish
  • Japanese
  • Korean
  • Portuguese
  • Ask a question
  • Spaces
    • Default
    • Help Room
    • META
    • Moderators
    • Topics
    • Questions
    • Users
    • Badges
  • Home /
avatar image
Question by naderlabbad309 · Jul 27, 2019 at 07:48 PM · c#generatortreeprototype

help change script GrassGenerator !!

hi

i need help script GrassGenerator There is a button named Generate When pressed (it clear tree)Is there a way to stop clear tree just add tree

 using Assets.Scripts.MapGenerator.Maps;
 using System.Collections.Generic;
 using UnityEngine;
 
 namespace Assets.Scripts.MapGenerator.Generators
 {
     public class GrassGenerator : MonoBehaviour, IGenerator
     {
         public int Octaves = 4;
         public float Scale = 40;
         public float Lacunarity = 2f;
         [Range(0, 1)]
         public float Persistance = 0.5f;
         public float Offset = 100f;
         public float MinLevel = 0;
         public float MaxLevel = 100;
         [Range(0, 90)]
         public float MaxSteepness = 70;
         [Range(-1, 1)]
         public float IslandsSize = 0;
         [Range(1, 100)]
         public int Density = 10;
         public bool Randomize;
         public bool AutoUpdate;
 
         public List<GameObject> GrassTextures;
         //DetailPrototype
         public void Generate()
         {
             if (Randomize)
             {
                 Offset = Random.Range(0f, 9999f);
             }
 
             List<TreePrototype> treePrototypes = new List<TreePrototype>();
             foreach (var t in GrassTextures)
             {
                 treePrototypes.Add(new TreePrototype() { prefab = t });
             }
 
             TerrainData terrainData = Terrain.activeTerrain.terrainData;
             terrainData.treePrototypes = treePrototypes.ToArray();
 
             terrainData.treeInstances = new TreeInstance[0];
 
             List<Vector3> treePos = new List<Vector3>();
 
             float maxLocalNoiseHeight;
             float minLocalNoiseHeight;
 
             float[,] noiseMap = new PerlinMap()
             {
                 Size = terrainData.alphamapWidth,
                 Octaves = Octaves,
                 Scale = Scale,
                 Offset = Offset,
                 Persistance = Persistance,
                 Lacunarity = Lacunarity
             }.Generate(out maxLocalNoiseHeight, out minLocalNoiseHeight);
 
             for (int x = 0; x < terrainData.alphamapWidth; x++)
             {
                 for (int y = 0; y < terrainData.alphamapHeight; y++)
                 {
                     float height = terrainData.GetHeight(x, y);
                     float heightScaled = height / terrainData.size.y;
                     float xScaled = (x + Random.Range(-1f, 1f)) / terrainData.alphamapWidth;
                     float yScaled = (y + Random.Range(-1f, 1f)) / terrainData.alphamapHeight;
                     float steepness = terrainData.GetSteepness(xScaled, yScaled);
 
                     float noiseStep = Random.Range(0f, 1f);
                     float noiseVal = noiseMap[x, y];
 
                     if
                     (
                         noiseStep < Density &&
                         noiseVal < IslandsSize &&
                         steepness < MaxSteepness &&
                         height > MinLevel &&
                         height < MaxLevel
                     )
                     {
                         treePos.Add(new Vector3(xScaled, heightScaled, yScaled));
                     }
                 }
             }
 
             TreeInstance[] treeInstances = new TreeInstance[treePos.Count];
 
             for (int ii = 0; ii < treeInstances.Length; ii++)
             {
                 treeInstances[ii].position = treePos[ii];
                 treeInstances[ii].prototypeIndex = Random.Range(0, treePrototypes.Count);
                 treeInstances[ii].color = new Color(Random.Range(100, 255), Random.Range(100, 255), Random.Range(100, 255));
                 treeInstances[ii].lightmapColor = Color.white;
                 treeInstances[ii].heightScale = 1.0f + Random.Range(-0.25f, 0.5f);
                 treeInstances[ii].widthScale = 1.0f + Random.Range(-0.5f, 0.25f);
             }
             terrainData.treeInstances = treeInstances;
 
             Debug.Log(treeInstances.Length + " trees were created");
         }
 
         public void Clear()
         {
             Terrain.activeTerrain.terrainData.treePrototypes = null;
         }
     }
 }


I appreciate any help

Comment

People who like this

0 Show 0
10 |3000 characters needed characters left characters exceeded
▼
  • Viewable by all users
  • Viewable by moderators
  • Viewable by moderators and the original poster
  • Advanced visibility
Viewable by all users

0 Replies

· Add your reply
  • Sort: 

Your answer

Hint: You can notify a user about this post by typing @username

Up to 2 attachments (including images) can be used with a maximum of 524.3 kB each and 1.0 MB total.

Update about the future of Unity Answers

Unity Answers content will be migrated to a new Community platform and we are aiming to launch a public beta later in June. Please note, we are aiming to set Unity Answers to read-only mode on the 31st of May in order to prepare for the final data migration.

For more information, please read our full announcement.

Follow this Question

Answers Answers and Comments

634 People are following this question.

avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image avatar image

Related Questions

Multiple Cars not working 1 Answer

Distribute terrain in zones 3 Answers

Initialising List array for use in a custom Editor 1 Answer

Generating blocks with bad distance of each other. 0 Answers

Flip over an object (smooth transition) 3 Answers


Enterprise
Social Q&A

Social
Subscribe on YouTube social-youtube Follow on LinkedIn social-linkedin Follow on Twitter social-twitter Follow on Facebook social-facebook Follow on Instagram social-instagram

Footer

  • Purchase
    • Products
    • Subscription
    • Asset Store
    • Unity Gear
    • Resellers
  • Education
    • Students
    • Educators
    • Certification
    • Learn
    • Center of Excellence
  • Download
    • Unity
    • Beta Program
  • Unity Labs
    • Labs
    • Publications
  • Resources
    • Learn platform
    • Community
    • Documentation
    • Unity QA
    • FAQ
    • Services Status
    • Connect
  • About Unity
    • About Us
    • Blog
    • Events
    • Careers
    • Contact
    • Press
    • Partners
    • Affiliates
    • Security
Copyright © 2020 Unity Technologies
  • Legal
  • Privacy Policy
  • Cookies
  • Do Not Sell My Personal Information
  • Cookies Settings
"Unity", Unity logos, and other Unity trademarks are trademarks or registered trademarks of Unity Technologies or its affiliates in the U.S. and elsewhere (more info here). Other names or brands are trademarks of their respective owners.
  • Anonymous
  • Sign in
  • Create
  • Ask a question
  • Spaces
  • Default
  • Help Room
  • META
  • Moderators
  • Explore
  • Topics
  • Questions
  • Users
  • Badges