void update()
{
// randomly add/remove skinned mesh every frame
for (int i = 0; i < 20; i++)
{
var x = r.Next() % N;
var y = r.Next() % N;
bool remove = !adding;
var gpu_skinned_mesh = r.Next() % 2 == 1 ? model1 : model2;
GPUAnimation.Animation anim = gpu_skinned_mesh.anim.animations[r.Next(1, gpu_skinned_mesh.anim.animations.Length)];
var mscale = gpu_skinned_mesh == model1 ? Model1Scale : Vector3.one;
if (!this.skins[x, y].Initialized() && !remove)
{
var skin = new SkinnedMesh(gpu_skinned_mesh, this.m);
skin.SetRadius(1.75f);
skin.Initialize();
skin.mesh.position = new Vector3(x, this.y_offset, y);
skin.mesh.scale = mscale;
skin.SetAnimation(anim, speed: 0.1f + (float)r.NextDouble() * 2.0f, start_time: (float)r.NextDouble());
// create & assign path
Path path = new Path(path_length: 4, m: this.m, use_constants: true);
this.p.InitializePath(ref path);
this.p.SetPathConstants(path, new Vector3(0, 1, 0), new Vector3(0, 0, 1), skin.mesh.rotation, skin.mesh.position);
this.p.UpdatePath(ref path);
skin.mesh.SetPath(path, this.m);
skin.UpdateAll();
skins[x, y] = skin;
paths[x, y] = path;
}
else if (this.skins[x, y].Initialized() && remove)
{
skins[x, y].Dispose();
this.p.DeletePath(ref paths[x, y]);
}
}
// reset if adding
time_seconds += Time.deltaTime;
if (time_seconds > period)
{
adding = !adding;
time_seconds = 0;
}
}