// 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;
}
}
}
}
// Use this for initialization
void Start()
{
Mesh mesh = BaseMeshLibrary.CreateDefault();
Material material = new Material(Shader.Find("Instanced/instancemeshdefault_Transparent"));
material.enableInstancing = true;
imesher = new MeshInstancer();
imesher.Initialize(64, 64, override_mesh: BaseMeshLibrary.CreatePlane2Sides(), override_material: BaseMaterialLibrary.CreateDefault(), max_parent_depth: 1, num_skeleton_bones: 1);
var keys = Texture2MeshType.Textures2MeshType(this.Textures, mesh, material);
foreach (var key in keys)
{
imesher.AddNewMeshType(key.mesh_key, key.material_key);
}
imesher.FrustumCamera = frustum_culling ? GameObject.Find("Main Camera").GetComponent <Camera>() : null;
var udat = keys.Where(x => x.material_key.mainTexture.name == "clear3").First();
InstanceData d1 = new InstanceData(imesher.GetMeshType(udat.mesh_key, udat.material_key));
d1.props_color32 = new Color32(0, 0, 255, 90);
d1.position = new Vector3(0.5f, 0, 0);
d1.rotation = Quaternion.Euler(-90, 0, 0);
d1.props_color32 = Color.blue;
imesher.Initialize(ref d1);
imesher.Append(ref d1);
InstanceData d2 = new InstanceData(imesher.GetMeshType(udat.mesh_key, udat.material_key));
d2.props_color32 = new Color32(0, 0, 255, 90);
d2.position = new Vector3(0, 0, 0);
d2.rotation = Quaternion.Euler(-90, 0, 0);
d2.props_color32 = Color.blue;
imesher.Initialize(ref d2);
imesher.Append(ref d2);
InstanceData d3 = new InstanceData(imesher.GetMeshType(udat.mesh_key, udat.material_key));
d3.props_color32 = new Color32(0, 0, 255, 90);
d3.position = new Vector3(-0.5f, 0, 0);
d3.rotation = Quaternion.Euler(-90, 0, 0);
d3.props_color32 = Color.blue;
imesher.Initialize(ref d3);
imesher.Append(ref d3);
}