Unity Dots creating entity assigning a | Official Unity Discord | Page 1

using UnityEngine;
using Unity.Collections;
using Unity.Entities;
using Unity.Mathematics;
using UnityEngine.Rendering;
using Unity.Rendering;

public struct WorldVertexLayout
{
    public float3 Position;
    public float3 normal;
    public float2 uv;
}
public unsafe class CpuWorldGen
{
    private EntityManager entityManager;

    public CpuWorldGen()
    {
        // Create a new ECS world
        World world = new World("CpuWorld");

        entityManager = world.EntityManager;
    }

    ~CpuWorldGen()
    {
        // Dispose the world and EntityManager when the CpuWorldGen instance is destroyed
        if (entityManager != null)
        {
            World world = entityManager.World;
            world.Dispose();
        }
    }

    float Noise(double3 position)
    {
        return Mathf.PerlinNoise((float)position.x, (float)position.z);
    }

    private const int resolution = 255;

 void CreatePlane(Node* node, int3 forward, int3 right)
    {
        // creatuion of the buffers
        Mesh mesh = new Mesh();
        mesh.SetVertexBufferParams(vertices.Length,
            new UnityEngine.Rendering.VertexAttributeDescriptor(UnityEngine.Rendering.VertexAttribute.Position, UnityEngine.Rendering.VertexAttributeFormat.Float32, 3),
            new UnityEngine.Rendering.VertexAttributeDescriptor(UnityEngine.Rendering.VertexAttribute.Normal, UnityEngine.Rendering.VertexAttributeFormat.Float32, 3),
            new UnityEngine.Rendering.VertexAttributeDescriptor(UnityEngine.Rendering.VertexAttribute.TexCoord0, UnityEngine.Rendering.VertexAttributeFormat.Float32, 2));

        mesh.SetVertexBufferData(vertices.AsArray(), 0, 0, vertices.Length);

        mesh.SetIndexBufferParams(indices.Length, UnityEngine.Rendering.IndexFormat.UInt16);
        mesh.SetIndexBufferData(indices.AsArray(), 0, 0, indices.Length);

        mesh.subMeshCount = 1;
        mesh.SetSubMesh(0, new SubMeshDescriptor(0, indices.Length));

        vertices.Dispose();
        indices.Dispose();

        //create entity, assign mesh to it and render it 

    }


}

#Unity Dots creating entity assigning a