private Transform Spawn(double3 localPoint, double3 localH, double3 localV, double weight)
{
var index = (int)math.floor(weight * 433494437.0) % prefabs.Count;
var root = Instantiate(prefabs[index]);
var sampledPoint = cachedTerrain.GetLocalPoint(localPoint);
root.SetParent(cachedTerrain.transform, false);
root.localPosition = (float3)sampledPoint;
if (sharedMaterial != null)
{
foreach (var renderer in root.GetComponentsInChildren <Renderer>())
{
SgtHelper.AddMaterial(renderer, sharedMaterial.Material);
}
}
switch (rotate)
{
case RotateType.Randomly:
{
var x = (float)((weight * 1224133.0) % 1787.0);
var y = (float)((weight * 1324039.0) % 1597.0);
var z = (float)((weight * 1424041.0) % 1321.0);
root.rotation = quaternion.Euler(x, y, z);
}
break;
case RotateType.ToSurfaceNormal:
{
var sampledPointL = cachedTerrain.GetLocalPoint(localPoint - localH);
var sampledPointR = cachedTerrain.GetLocalPoint(localPoint + localH);
var sampledPointB = cachedTerrain.GetLocalPoint(localPoint - localV);
var sampledPointF = cachedTerrain.GetLocalPoint(localPoint + localV);
var vectorA = sampledPointR - sampledPointL;
var vectorB = sampledPointF - sampledPointB;
var normal = math.normalize(-math.cross(vectorA, vectorB));
var angle = (float)((weight * 1224133.0) % 1597.0);
root.up = cachedTerrain.TransformVector(normal);
root.Rotate(0.0f, angle, 0.0f, Space.Self);
}
break;
case RotateType.ToPlanetCenter:
{
var normal = math.normalize(sampledPoint);
var angle = (float)((weight * 1224133.0) % 1597.0);
root.up = cachedTerrain.TransformVector(normal);
root.Rotate(0.0f, angle, 0.0f, Space.Self);
}
break;
}
return(root);
}
public void ApplyMaterial()
{
if (Renderers != null)
{
for (var i = Renderers.Count - 1; i >= 0; i--)
{
SgtHelper.AddMaterial(Renderers[i], material);
}
}
}
public void AddRenderer(MeshRenderer renderer)
{
if (renderer != null)
{
if (Renderers == null)
{
Renderers = new List <MeshRenderer>();
}
if (Renderers.Contains(renderer) == false)
{
Renderers.Add(renderer);
SgtHelper.AddMaterial(renderer, material);
}
}
}
