예제 #1
0
    //find a reasonable point on mesh to spawn an object
    Vector3 FindPointOnMesh()
    {
        //get a new location coord across x and z axis
        float   visRad    = GameObject.FindGameObjectWithTag("Player").GetComponent <BallControl>().visionRadius;
        Vector3 playerPos = GameObject.FindGameObjectWithTag("Player").transform.position;

        //get random direction
        Vector3 NewLocation = Random.insideUnitSphere * visRad;

        //zero out the vertical
        NewLocation = new Vector3(NewLocation.x, 0.0f, NewLocation.z);

        NewLocation += playerPos;

        //find the chunk that is in
        TerrainGeneration tG    = FindObjectOfType <TerrainGeneration>();
        Vector3Int        coord = Vector3Int.RoundToInt(NewLocation / tG.ChunkSize);

        //find the chunk if it already exists
        GameObject chunk = GameObject.Find($"Chunk ({coord.x}, {coord.y}, {coord.z})");

        //chunks mesh
        Mesh  mesh;
        Chunk NewChunk = null;

        //if no chunk exists at that coord, create it for this purpose
        if (chunk == null)
        {
            NewChunk = tG.CreateChunkObject(coord);
            NewChunk.SetUp(false, tG.material);
            mesh = NewChunk.GetComponent <Chunk>().mesh;
            tG.UpdateTerrainGPU(NewChunk);
        }
        else
        {
            mesh = chunk.GetComponent <Chunk>().mesh;
        }

        Vector3 MarkerLocation = FindClosestVertex(mesh, NewLocation);

        //remove chunk if one was made to find mesh position
        if (chunk == null)
        {
            NewChunk.Destroy();
        }

        return(MarkerLocation);
    }