namespace Fusion.Addons.InterestManagement
{
using UnityEngine;
///
/// Provides interest to players in certain distance from this object.
///
public sealed class InterestByDistance : InterestProvider
{
// PUBLIC MEMBERS
[InlineHelp][Tooltip("Minimum distance from player camera to this object.")]
public float MinDistance;
[InlineHelp][Tooltip("Maximum distance from player camera to this object.")]
public float MaxDistance;
// InterestProvider INTERFACE
///
/// Returns whether this provider should be processed for given player.
///
/// Player interest view with player information used for filtering.
public override bool IsPlayerInterested(PlayerInterestView playerView)
{
// We compare player camera position against transform of this object.
// It is enough for relatively small objects, bigger objects might need a special handling - distance from a closest point on bounding box for example.
Vector3 positionDifference = Transform.position - playerView.CameraPosition;
float sqrDistance = Vector3.SqrMagnitude(positionDifference);
return sqrDistance <= MaxDistance * MaxDistance && sqrDistance >= MinDistance * MinDistance;
}
///
/// Called when an object with InterestByDistance or PlayerInterestManager component is selected.
///
/// Provides player information, is valid only if the selected object has PlayerInterestManager component.
/// True if the selected object has this component, false otherwise.
protected override void OnDrawGizmosForPlayer(PlayerInterestView playerView, bool isSelected)
{
if (isSelected == true)
{
InterestUtility.DrawWireSphere(Transform.position, MinDistance, Color.red);
InterestUtility.DrawWireSphere(Transform.position, MaxDistance, Color.green);
}
}
}
}