//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);
}