TorqueGameEngines/Torque3D
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multiple fixes,

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JoltPlayer was getting physics from triggers
JoltWorld ray was colliding with triggers which made triggers collidable
few other fixes around making joltCollision shapes
This commit is contained in:
marauder2k7 2026-06-06 20:24:34 +01:00
parent f3b9c65411
commit 51f5d507ed
5 changed files with 261 additions and 187 deletions
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40
Engine/source/T3D/physics/jolt/joltWorld.cpp
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@ -123,6 +123,15 @@ void JoltWorld::destroyWorld()
mDestroyPending.store(true, std::memory_order_release);
}
class SensorExcludeFilter final : public JPH::BodyFilter
{
public:
bool ShouldCollideLocked(const JPH::Body& inBody) const override
{
return !inBody.IsSensor();
}
};
bool JoltWorld::castRay(const Point3F& startPnt, const Point3F& endPnt, RayInfo* ri, const Point3F& impulse)
{
JPH::Vec3 startV(startPnt.x, startPnt.y, startPnt.z);
@ -134,10 +143,12 @@ bool JoltWorld::castRay(const Point3F& startPnt, const Point3F& endPnt, RayInfo*
return false;
JPH::RRayCast ray(startV, dir);
JPH::RayCastResult result;
if (!mPhysicsSystem.GetNarrowPhaseQuery().CastRay(ray, result))
// Exclude sensor bodies: they are non-solid trigger volumes and must not
// appear as solid hits to projectiles or other physics ray casts.
SensorExcludeFilter sensorFilter;
if (!mPhysicsSystem.GetNarrowPhaseQuery().CastRay(ray, result, {}, {}, sensorFilter))
return false;
JPH::BodyLockRead lock(
@ -154,21 +165,23 @@ bool JoltWorld::castRay(const Point3F& startPnt, const Point3F& endPnt, RayInfo*
JPH::RVec3 hitPos = ray.GetPointOnRay(result.mFraction);
JPH::Vec3 normal = body.GetWorldSpaceSurfaceNormal( result.mSubShapeID2, hitPos );
if (!body.GetUserData())
return false;
JPH::Vec3 normal = body.GetWorldSpaceSurfaceNormal(result.mSubShapeID2, hitPos);
if (ri)
{
ri->point.set(joltCast(hitPos));
ri->normal.set(joltCast(normal));
ri->distance = result.mFraction * rayLength;
// SceneObject mapping
PhysicsUserData* userData = PhysicsUserData::cast((void*)body.GetUserData());
ri->object = userData->getObject();
ri->material = NULL;
// A body with no UserData means no associated SceneObject (e.g. internal
// collision geometry). Return the hit but leave ri->object as null rather
// than hiding the hit entirely.
PhysicsUserData* userData = body.GetUserData()
? PhysicsUserData::cast((void*)body.GetUserData())
: nullptr;
ri->object = userData ? userData->getObject() : nullptr;
ri->material = nullptr;
ri->face = 0;
ri->faceDot = 0;
}
@ -236,8 +249,9 @@ void JoltWorld::explosion(const Point3F& pos, F32 radius, F32 forceMagnitude)
JPH::Body& body = lock.GetBody();
// Ignore static/kinematic bodies
if (!body.IsDynamic())
// Skip sensors and non-dynamic bodies — sensors are trigger volumes and
// static/kinematic bodies don't respond to impulses.
if (body.IsSensor() || !body.IsDynamic())
continue;
JPH::Vec3 bodyPos = body.GetCenterOfMassPosition();