/// <summary>
/// Run dynamic intersection test against all colliders. Return the earliest time of impact, or <c>1.0f</c> if no collisions occured.
/// </summary>
/// <remarks>This function will finish immediately if the earliest time of impact reaches 0.</remarks>
private static void CalculateActorEarliestTimeOfImpact(ActorRigidbody actor)
{
float time = 1f;
foreach (var staticbody in AllStatics)
{
if (time == 0)
{
break;
}
if (PhysicsMath.IntersectMoving(staticbody.MainCollider, actor.MainCollider, Vector2.Zero, actor.ProcessingData.CalcVel, out float first))
{
time = Math.Min(time, first);
}
}
foreach (var solid in AllSolids)
{
foreach (var solidCollider in solid.Colliders)
{
if (time == 0)
{
break;
}
if (PhysicsMath.IntersectMoving(solidCollider, actor.MainCollider, Vector2.Zero, actor.ProcessingData.CalcVel, out float first))
{
time = Math.Min(time, first);
}
}
}
actor.ProcessingData.TimeOfImpact = time;
}
private static void CalculateSolidEarliestTimeOfImpact(SolidRigidbody solid)
{
Console.WriteLine("running on " + solid.Entity);
float earliest = 1f;
// Regional check against all statics
foreach (var staticbody in AllStatics)
{
foreach (var collider in solid.Colliders)
{
if (earliest == 0f)
{
break;
}
if (PhysicsMath.IntersectMoving(collider, staticbody.MainCollider, solid.ProcessingData.CalcVel, Vector2.Zero, out float first))
{
Console.WriteLine($"{solid.Entity} ({collider.LocalPosition}) hit {staticbody.Entity} at time {first}");
earliest = Math.Min(earliest, first);
}
}
}
// Regional check against all solids
foreach (var otherSolid in AllSolids)
{
if (earliest == 0f)
{
break;
}
// Skip self
if (ReferenceEquals(solid, otherSolid))
{
continue;
}
if (PhysicsMath.IntersectMoving(solid.MainCollider, otherSolid.MainCollider, solid.ProcessingData.CalcVel, otherSolid.ProcessingData.CalcVel, out float first))
{
Console.WriteLine($"{solid.Entity} hit {otherSolid.Entity} at time {first}");
earliest = Math.Min(earliest, first);
}
}
solid.ProcessingData.TimeOfImpact = earliest;
}