// Start is called before the first frame update
void Start()
{
List <TextureUVAnimation> anims = new List <TextureUVAnimation>();
anims.Add(MakeGPUTextureAnim(this.RunBack));
anims.Add(MakeGPUTextureAnim(this.RunForward));
anims.Add(MakeGPUTextureAnim(this.RunLeft));
anims.Add(MakeGPUTextureAnim(this.RunRight));
var tlib = new TextureAnimationLibrary(anims); // make texture animation library object.. This will just combine all the above lists into a single buffer
this.m = new MeshInstancer(); // create & initialize mesh instancer
this.m.Initialize(override_mesh: BaseMeshLibrary.CreatePlane2Sides(), override_material: this.material, pathCount: 4); // override default cube with a two-sided plane that uses uv cutout shader
this.m.SetAllTextureAnimations(tlib); // set all texture animations on GPU
// initialize paths that the instances will follow
this.p = new PathArrayHelper(this.m);
// Create instances
for (int i = 0; i < N; i++)
{
for (int j = 0; j < N; j++)
{
// specify instance data
var random_anim_id = anims[Random.Range(0, anims.Count)].animation_id;
InstanceData <InstanceProperties> dat = new InstanceData <InstanceProperties>(this.m.Default);
dat.position = new Vector3(i, 0, j);
dat.rotation = Quaternion.Euler(-90, 0, 0);
dat.props_IsTextureAnimation = true;
dat.props_animationID = random_anim_id;
dat.props_AnimationSpeed = Random.Range(0.5f, 2.0f);
dat.props_AnimationSeconds = Random.Range(0, 1.0f);
// 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, 0, Random.Range(-10.0f, 10.0f)), new Vector3(Random.Range(-1.0f, 1.0f), 0, Random.Range(-1.0f, 1.0f)), dat.rotation, dat.position);
this.p.UpdatePath(ref path);
dat.SetPath(path, this.m);
// Initialize & send instance to gpu
this.m.Initialize(ref dat);
this.m.Append(ref dat);
// Make a unity gameobject follow the first instance.. Just for testing CPU instance transform approximation
if (i == 0 && j == 0)
{
this.follow_obj = GameObject.CreatePrimitive(PrimitiveType.Cube);
this.follow_obj.name = "Calculated Object Transform";
this.follow_obj.transform.localScale = Vector3.one * 0.25f;
this.follow_obj.transform.position = dat.position;
this.follow_obj.transform.rotation = dat.rotation;
this.follow_instance = dat;
this.follow_path = path;
}
}
}
}
// Start is called before the first frame update
void Start()
{
List <TextureUVAnimation> anims = new List <TextureUVAnimation>();
anims.Add(MakeGPUTextureAnim(this.Explosion));
this.m = new MeshInstancer();
this.m.Initialize(max_parent_depth: 1, pathCount: 2, override_mesh: BaseMeshLibrary.CreatePlane());
this.p = new PathArrayHelper(this.m);
var tlib = new TextureAnimationLibrary(anims);
this.m.SetAllTextureAnimations(tlib);
this.m.FrustumCamera = this.FrustumCamera;
var explosion_mesh_type = this.m.AddNewMeshType(this.m.Default.shared_mesh, Instantiate(this.ExplosionMaterial));
float f = 80.0f;
for (int i = 0; i < N; i++)
{
this.instances[i] = new InstanceData <InstanceProperties>(explosion_mesh_type);
this.instances[i].position = new Vector3(Random.Range(-f, f), Random.Range(-f, f), Random.Range(-f, f));
this.instances[i].props_animationID = tlib.Animations[0].animation_id;
this.instances[i].props_IsTextureAnimation = true;
this.instances[i].props_AnimationSeconds = Random.Range(0, 1.0f);
this.instances[i].props_AnimationSpeed = 2.0f;
var path = new Path(2, this.m, look_at_camera: true); // instruct instance to look at camera via path API
this.p.InitializePath(ref path);
this.p.SetPathStaticPosition(path, this.instances[i].position, Vector3.up); // just set a not-moving path
this.p.UpdatePath(ref path);
this.instances[i].SetPath(path, this.m);
this.paths[i] = path;
this.m.Initialize(ref this.instances[i]);
this.m.Append(ref this.instances[i]);
}
}