private void Start()
{
// Create a GameObject to create a prototype from
prototypeGameObject = GameObject.CreatePrimitive(PrimitiveType.Quad);
// Set material of the GameObject
SetMaterial();
// Create a list to keep track of instances
instanceList = new List <GameObject>();
// Add the original to the instanceList
instanceList.Add(prototypeGameObject);
// Your instantiation logic. Uses the prototype GameObject to identify the newly generated prototype.
// This example just instantiates objects at random positions inside a sphere with radius of 20;
// Replace this with how you want to generate your instances.
for (int i = 0; i < 1000; i++)
{
instanceList.Add(Instantiate(prototypeGameObject, UnityEngine.Random.insideUnitSphere * 20, Quaternion.identity));
}
// Define the prototype
prototype = GPUInstancerAPI.DefineGameObjectAsPrefabPrototypeAtRuntime(prefabManager, prototypeGameObject);
// Make changes in the prototype settings
prototype.enableRuntimeModifications = true;
prototype.autoUpdateTransformData = true;
// Add the prototype instances
GPUInstancerAPI.AddInstancesToPrefabPrototypeAtRuntime(prefabManager, prototype, instanceList);
// Start Coroutine to change instances over time
StartCoroutine(AddRemoveAtRuntime());
}
IEnumerator AddRemoveAtRuntime()
{
while (true)
{
// Loop through primitives
foreach (PrimitiveType primitiveType in Enum.GetValues(typeof(PrimitiveType)))
{
yield return(new WaitForSeconds(3));
// Remove runtime generated prototype definition
GPUInstancerAPI.RemovePrototypeAtRuntime(prefabManager, prototype);
// Clear the instances
ClearInstances();
yield return(new WaitForSeconds(1));
// Create a GameObject to create a prototype from
prototypeGameObject = GameObject.CreatePrimitive(primitiveType);
// Set material of the GameObject
SetMaterial();
// Add the original to the instanceList
instanceList.Add(prototypeGameObject);
// Define the prototype
prototype = GPUInstancerAPI.DefineGameObjectAsPrefabPrototypeAtRuntime(prefabManager, prototypeGameObject);
// Create 1000 new instances
for (int i = 0; i < 1000; i++)
{
instanceList.Add(Instantiate(prototypeGameObject, UnityEngine.Random.insideUnitSphere * 20, Quaternion.identity));
}
// Add instances to manager
GPUInstancerAPI.AddInstancesToPrefabPrototypeAtRuntime(prefabManager, prototype, instanceList);
yield return(new WaitForSeconds(1));
}
}
}