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Improve performance of certain physics queries when using Jolt Physics

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This commit is contained in:
Mikael Hermansson 2025-01-02 16:59:48 +01:00
parent 296de7da83
commit 5d2a54e6b1
2 changed files with 19 additions and 9 deletions
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2
modules/jolt_physics/spaces/jolt_physics_direct_space_state_3d.cpp
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@ -76,7 +76,7 @@ bool JoltPhysicsDirectSpaceState3D::_cast_motion_impl(const JPH::Shape &p_jolt_s
aabb_translated.Translate(motion);
aabb.Encapsulate(aabb_translated);
JoltQueryCollectorAnyMulti<JPH::CollideShapeBodyCollector, 2048> aabb_collector;
JoltQueryCollectorAnyMulti<JPH::CollideShapeBodyCollector, 1024> aabb_collector;
space->get_broad_phase_query().CollideAABox(aabb, aabb_collector, p_broad_phase_layer_filter, p_object_layer_filter);
if (!aabb_collector.had_hit()) {

26
modules/jolt_physics/spaces/jolt_query_collectors.h
View file

@ -34,10 +34,9 @@
#include "../jolt_project_settings.h"
#include "jolt_space_3d.h"
#include "core/templates/local_vector.h"
#include "Jolt/Jolt.h"
#include "Jolt/Core/STLLocalAllocator.h"
#include "Jolt/Physics/Collision/InternalEdgeRemovingCollector.h"
#include "Jolt/Physics/Collision/Shape/Shape.h"
@ -45,11 +44,16 @@ template <typename TBase, int TDefaultCapacity>
class JoltQueryCollectorAll final : public TBase {
public:
typedef typename TBase::ResultType Hit;
typedef JPH::Array<Hit, JPH::STLLocalAllocator<Hit, TDefaultCapacity>> HitArray;
private:
JPH::Array<Hit> hits;
HitArray hits;
public:
JoltQueryCollectorAll() {
hits.reserve(TDefaultCapacity);
}
bool had_hit() const {
return !hits.is_empty();
}
@ -109,14 +113,17 @@ template <typename TBase, int TDefaultCapacity>
class JoltQueryCollectorAnyMulti final : public TBase {
public:
typedef typename TBase::ResultType Hit;
typedef JPH::Array<Hit, JPH::STLLocalAllocator<Hit, TDefaultCapacity>> HitArray;
private:
JPH::Array<Hit> hits;
HitArray hits;
int max_hits = 0;
public:
explicit JoltQueryCollectorAnyMulti(int p_max_hits = TDefaultCapacity) :
max_hits(p_max_hits) {}
max_hits(p_max_hits) {
hits.reserve(TDefaultCapacity);
}
bool had_hit() const {
return hits.size() > 0;
@ -189,14 +196,17 @@ template <typename TBase, int TDefaultCapacity>
class JoltQueryCollectorClosestMulti final : public TBase {
public:
typedef typename TBase::ResultType Hit;
typedef JPH::Array<Hit, JPH::STLLocalAllocator<Hit, TDefaultCapacity + 1>> HitArray;
private:
JPH::Array<Hit> hits;
HitArray hits;
int max_hits = 0;
public:
explicit JoltQueryCollectorClosestMulti(int p_max_hits = TDefaultCapacity) :
max_hits(p_max_hits) {}
max_hits(p_max_hits) {
hits.reserve(TDefaultCapacity + 1);
}
bool had_hit() const {
return hits.size() > 0;
@ -220,7 +230,7 @@ public:
}
virtual void AddHit(const Hit &p_hit) override {
typename JPH::Array<Hit>::const_iterator E = hits.cbegin();
typename HitArray::const_iterator E = hits.cbegin();
for (; E != hits.cend(); ++E) {
if (p_hit.GetEarlyOutFraction() < E->GetEarlyOutFraction()) {
break;