private void UpdateRoot()
{
var point = cachedTerrain.GetAboveGroundObserverCubePoint();
var middle = resolution / 2;
var center = middle * point;
var bounds = new SgtLongBounds((long)center.x, (long)center.y, (long)center.z, radius);
var outer = new SgtLongBounds(-middle, -middle, middle - 1, middle, middle, middle);
Mark();
for (var i = 0; i < 6; i++)
{
var quadBounds = SgtTerrainTopology.GetQuadBounds(i, bounds);
quadBounds.ClampTo(outer);
UpdateColliders(i, quadBounds, middle);
}
Sweep();
}
private void UpdateLod()
{
var spherePoint = GetSpherePoint();
for (var i = 0; i < cubes.Count; i++)
{
var cube = cubes[i];
var cubeBounds = GetCubeBound(i, spherePoint, cube.Middle);
var cubeLimits = new SgtLongBounds(0, 0, 0, cube.Middle);
for (var j = 0; j < 6; j++)
{
var quad = cube.Quads[j];
var quadBounds = SgtTerrainTopology.GetQuadBounds(j, cubeBounds);
if (i == 0)
{
quad.PendingOuter = new SgtLongBounds(0, 0, 0, cube.Middle);
quad.VirtualOuter = new SgtLongBounds(0, 0, 0, cube.Middle * 2);
}
else
{
var prevCube = cubes[i - 1];
var prevQuad = prevCube.Quads[j];
var prevResolution = prevCube.Resolution;
quad.PendingOuter = prevQuad.PendingInner * 2;
quad.VirtualOuter = prevQuad.VirtualInner * 2;
}
if (quadBounds.minZ <= cube.Middle && quadBounds.maxZ >= cube.Middle)
{
quad.VirtualInner = quadBounds;
}
else
{
quad.VirtualInner = default(SgtLongBounds);
}
quad.PendingInner = quad.VirtualInner;
quad.PendingInner.ClampTo(cubeLimits);
if (quad.PendingOuter.SizeX < 0 || quad.PendingOuter.SizeY < 0 || quad.PendingOuter.SizeZ < 0)
{
quad.PendingOuter = default(SgtLongBounds);
quad.PendingInner = default(SgtLongBounds);
}
var forceUpdate = false;
if (dirty == true)
{
if (quad.CurrentOuter.Volume > 0 || quad.CurrentInner.Volume > 0)
{
forceUpdate = true;
quad.CurrentOuter.Clear();
quad.CurrentInner.Clear();
}
}
if (quad.CurrentOuter.Volume == 0)
{
quad.CurrentOuter = default(SgtLongBounds);
}
if (quad.PendingOuter.Volume == 0)
{
quad.PendingOuter = default(SgtLongBounds);
}
if (quad.CurrentInner.Volume == 0)
{
quad.CurrentInner = default(SgtLongBounds);
}
if (quad.PendingInner.Volume == 0)
{
quad.PendingInner = default(SgtLongBounds);
}
if (quad.CurrentOuter != quad.PendingOuter || quad.CurrentInner != quad.PendingInner || forceUpdate == true)
{
pendingQuads.Push(quad);
}
}
}
dirty = false;
}
