public static ICollider GetLineOfSightObstruction(this RectF from, RectF to, IEnumerable <ICollider> obstacles, CastingMode castingMode = CastingMode.Rough)
{
var fromBox = new ColliderBox(from);
var toBox = new ColliderBox(to);
return(GetLineOfSightObstruction(fromBox, toBox, obstacles, castingMode));
}
public static ICollider GetLineOfSightObstruction(this ICollider from, ICollider to, IEnumerable <ICollider> obstacles, CastingMode castingMode = CastingMode.Rough)
{
var options = new HitDetectionOptions(from, obstacles.Union(new[] { to }));
options.Mode = castingMode;
options.Angle = options.MovingObject.CalculateAngleTo(to.Bounds);
options.Visibility = 3 * options.MovingObject.CalculateDistanceTo(to.Bounds);
var prediction = PredictHit(options);
if (prediction.Type == HitType.None)
{
return(null);
}
else
{
var obstacleHit = prediction.ColliderHit;
return(obstacleHit == to ? null : obstacleHit);
}
}
