public IEnumerator CheckLookAtPlayer()
{
DCLCharacterController.i.PauseGravity();
yield return(CreateComponent(x: true, y: true, z: true));
yield return(null);
Transform entityTransform = scene.entities[entityId].gameObject.transform;
Vector3 lookAt = GetLookAtVector(billboard.model, entityTransform);
Assert.AreApproximatelyEqual(lookAt.x, entityTransform.forward.x, "billboard entity forward vector should be the same as the calculated one");
Assert.AreApproximatelyEqual(lookAt.y, entityTransform.forward.y, "billboard entity forward vector should be the same as the calculated one");
Assert.AreApproximatelyEqual(lookAt.z, entityTransform.forward.z, "billboard entity forward vector should be the same as the calculated one");
var billboardModel = new Billboard.Model()
{
x = true,
y = false,
z = true
};
yield return(TestHelpers.EntityComponentUpdate <Billboard, Billboard.Model>(billboard, billboardModel));
lookAt = GetLookAtVector(billboardModel, entityTransform);
Assert.IsTrue(entityTransform.forward == lookAt, "billboard entity forward vector should be the same as the calculated one");
billboardModel = new Billboard.Model()
{
x = false,
y = false,
z = false
};
yield return(TestHelpers.EntityComponentUpdate <Billboard, Billboard.Model>(billboard, billboardModel));
lookAt = GetLookAtVector(billboardModel, entityTransform);
Assert.IsTrue(entityTransform.forward == lookAt, "billboard entity forward vector should be the same as the calculated one");
yield return(null);
}
IEnumerator CreateComponent(bool x, bool y, bool z)
{
var entity = TestHelpers.CreateSceneEntity(scene, entityId);
TestHelpers.SetEntityTransform(scene, entity, Vector3.one, Quaternion.identity, Vector3.one);
yield return(null);
var billboardModel = new Billboard.Model()
{
x = x,
y = y,
z = z
};
billboard =
TestHelpers.EntityComponentCreate <Billboard, Billboard.Model>(scene, scene.entities[entityId],
billboardModel);
Assert.IsTrue(billboard != null, "Component creation fail!");
yield return(billboard.routine);
}
Vector3 GetLookAtVector(Billboard.Model model, Transform entityTransform)
{
Vector3 lookAtDir = CommonScriptableObjects.cameraPosition - entityTransform.position;
// Note (Zak): This check is here to avoid normalizing twice if not needed
if (!(model.x && model.y && model.z))
{
lookAtDir.Normalize();
// Note (Zak): Model x,y,z are axis that we want to enable/disable
// while lookAtDir x,y,z are the components of the look-at vector
if (!model.x || model.z)
{
lookAtDir.y = entityTransform.forward.y;
}
if (!model.y)
{
lookAtDir.x = entityTransform.forward.x;
}
}
return(lookAtDir.normalized);
}
