public void UpdateMeshTerrain(Vector2 _viewerPosition)
{
viewerDstFromNearestEdge = Vector3.Distance(new Vector3(_viewerPosition.x, 0, _viewerPosition.y), meshObject.transform.position);
int lodIndex = 0;
//check which levelOfDetail we should have
for (int i = 0; i < detailLevels.Length - 1; i++)
{
if (viewerDstFromNearestEdge > detailLevels[i].visibleDstThreshold)
{
lodIndex = i + 1;
}
else
{
break;
}
}
//update the mesh if lodIndex has changed
if (lodIndex != previousLODIndex)
{
LODMesh lodMesh = lodMeshes[lodIndex];
previousLODIndex = lodIndex;
if (lodMesh.hasMesh)
{
meshFilter.mesh = lodMesh.mesh;
}
else
{
lodMesh.GenerateLODMesh(noiseMap, meshHeightMultiplier, heightCurve);
meshFilter.mesh = lodMesh.mesh;
}
}
//the plane the player walks on gets a mesh
if (lodIndex == 0)
{
if (!collisionLODMesh.hasMesh)
{
collisionLODMesh.GenerateLODMesh(noiseMap, meshHeightMultiplier, heightCurve);
meshCollider.sharedMesh = collisionLODMesh.mesh;
}
else
{
meshCollider.sharedMesh = collisionLODMesh.mesh;
}
}
else
{
meshCollider.sharedMesh = null;
}
}