Method OnDebugDrawSelected

Source/Engine/Physics/Actors/WheeledVehicle.cpp:402–469

}

void WheeledVehicle::OnDebugDrawSelected()
{
    // Wheels shapes
    int32 wheelIndex = 0;
    for (const auto& wheel : _wheels)
    {
        if (wheel.Collider && wheel.Collider->GetParent() == this && !wheel.Collider->GetIsTrigger())
        {
            WheelData data = { wheel.Collider, wheel.Collider->GetLocalOrientation() };
            for (auto& e : _wheelsData)
            {
                if (e.Collider == data.Collider)
                {
                    data = e;
                    break;
                }
            }
            const Vector3 currentPos = wheel.Collider->GetPosition();
            const Vector3 basePos = currentPos - Vector3(0, data.State.SuspensionOffset, 0);
            const Quaternion wheelDebugOrientation = GetOrientation() * Quaternion::Euler(-data.State.RotationAngle, data.State.SteerAngle, 0) * Quaternion::Euler(90, 0, 90);
            Transform actorPose = GetTransform(), shapePose = wheel.Collider->GetLocalTransform();
            actorPose.Scale = Float3::One;
            if (_actor)
                PhysicsBackend::GetRigidActorPose(_actor, actorPose.Translation, actorPose.Orientation);
            if (wheel.Collider->GetPhysicsShape())
                PhysicsBackend::GetShapeLocalPose(wheel.Collider->GetPhysicsShape(), shapePose.Translation, shapePose.Orientation);
            DEBUG_DRAW_WIRE_SPHERE(BoundingSphere(basePos, wheel.Radius * 0.07f), Color::Blue * 0.3f, 0, false);
            DEBUG_DRAW_WIRE_SPHERE(BoundingSphere(currentPos, wheel.Radius * 0.08f), Color::Blue * 0.8f, 0, false);
            DEBUG_DRAW_WIRE_SPHERE(BoundingSphere(actorPose.LocalToWorld(shapePose.Translation), wheel.Radius * 0.11f), Color::OrangeRed * 0.8f, 0, false);
            DEBUG_DRAW_LINE(basePos, currentPos, Color::Blue, 0, false);
            DEBUG_DRAW_WIRE_CYLINDER(currentPos, wheelDebugOrientation, wheel.Radius, wheel.Width, Color::Red * 0.4f, 0, false);
            if (!data.State.SuspensionTraceStart.IsZero())
            {
                DEBUG_DRAW_WIRE_SPHERE(BoundingSphere(data.State.SuspensionTraceStart, 5.0f), Color::AliceBlue, 0, false);
                DEBUG_DRAW_LINE(data.State.SuspensionTraceStart, data.State.SuspensionTraceEnd, data.State.IsInAir ? Color::Red : Color::Green, 0, false);
            }
            if (!data.State.IsInAir)
            {
                DEBUG_DRAW_WIRE_SPHERE(BoundingSphere(data.State.TireContactPoint, 5.0f), Color::Green, 0, false);
            }
            if (ShowDebugDrawWheelNames)
            {
                const String text = String::Format(TEXT("Index: {}\nCollider: {}"), wheelIndex, wheel.Collider->GetName());
                DEBUG_DRAW_TEXT(text, currentPos, Color::Blue, 10, 0);
            }
        }
        wheelIndex++;
    }

    // Anti roll bars axes
    const int32 wheelsCount = _wheels.Count();
    for (int32 i = 0; i < _antiRollBars.Count(); i++)
    {
        const int32 axleIndex = _antiRollBars[i].Axle;
        const int32 leftWheelIndex = axleIndex * 2;
        const int32 rightWheelIndex = leftWheelIndex + 1;
        if (leftWheelIndex >= wheelsCount || rightWheelIndex >= wheelsCount)
            continue;