internal static async Task AddSvrfModel(GameObject gameObject, MediaModel model, SvrfModelOptions options)
{
var gltfComponent = gameObject.AddComponent <GLTFComponent>();
// Do not load the model automatically: let us call .Load() method manually and await it.
SetGltfComponentField(gltfComponent, "loadOnStart", false);
gltfComponent.GLTFUri = model.GetMainGltfFile();
SetGltfComponentField(gltfComponent, "shaderOverride", options.ShaderOverride);
await gltfComponent.Load();
var gltfRoot = gameObject.transform.GetChild(0);
var occluder = FindDescendant(gltfRoot, "Occluder");
// GLTF models are right-handed, but the Unity coordinates are left-handed,
// so rotating the model around Y axis.
gltfRoot.transform.Rotate(Vector3.up, 180);
if (occluder == null)
{
return;
}
if (options.WithOccluder)
{
var meshRenderer = occluder.transform.Find("Primitive").GetComponent <SkinnedMeshRenderer>();
// If we need to handle occlusion, apply our custom shader to handle it.
meshRenderer.sharedMaterials[0].shader = Shader.Find("Svrf/Occluder");
}
else
{
// If we don't need to handle occlusion, hide the occluder.
occluder.gameObject.SetActive(false);
}
}