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feat(physics): cancollide=false

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maelstrom 2025-08-29 02:54:56 +02:00
parent ded96d4e1f
commit 7f36a84938
1 changed files with 17 additions and 4 deletions
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21
core/src/physics/world.cpp
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@ -37,6 +37,7 @@
#include <Jolt/Physics/Body/BodyLockInterface.h>
#include <Jolt/Physics/Collision/NarrowPhaseQuery.h>
#include <Jolt/Physics/Constraints/FixedConstraint.h>
#include <cstdio>
#include <memory>
static JPH::TempAllocator* allocator;
@ -46,14 +47,16 @@ namespace Layers
{
static constexpr JPH::ObjectLayer DYNAMIC = 0;
static constexpr JPH::ObjectLayer ANCHORED = 1;
// static constexpr JPH::ObjectLayer NUM_LAYERS = 2;
static constexpr JPH::ObjectLayer NOCOLLIDE = 2;
// static constexpr JPH::ObjectLayer NUM_LAYERS = 3;
};
namespace BPLayers
{
static constexpr JPH::BroadPhaseLayer ANCHORED(0);
static constexpr JPH::BroadPhaseLayer DYNAMIC(1);
static constexpr uint NUM_LAYERS(2);
static constexpr JPH::BroadPhaseLayer NOCOLLIDE(2);
static constexpr uint NUM_LAYERS(3);
};
static JPH::Ref<JPH::Shape> wedgeShape;
@ -138,7 +141,7 @@ void PhysWorld::syncBodyProperties(std::shared_ptr<BasePart> part) {
JPH::EMotionType motionType = part->anchored ? JPH::EMotionType::Static : JPH::EMotionType::Dynamic;
JPH::EActivation activationMode = part->anchored ? JPH::EActivation::DontActivate : JPH::EActivation::Activate;
JPH::ObjectLayer objectLayer = part->anchored ? Layers::ANCHORED : Layers::DYNAMIC;
JPH::ObjectLayer objectLayer = !part->canCollide ? Layers::NOCOLLIDE : (part->anchored ? Layers::ANCHORED : Layers::DYNAMIC);
JPH::Body* body = part->rigidBody.bodyImpl;
@ -284,6 +287,7 @@ JPH::BroadPhaseLayer BroadPhaseLayerInterface::GetBroadPhaseLayer(JPH::ObjectLay
switch (inLayer) {
case Layers::DYNAMIC: return BPLayers::DYNAMIC;
case Layers::ANCHORED: return BPLayers::ANCHORED;
case Layers::NOCOLLIDE: return BPLayers::NOCOLLIDE;
default: panic();
}
}
@ -293,12 +297,19 @@ const char * BroadPhaseLayerInterface::GetBroadPhaseLayerName(JPH::BroadPhaseLay
switch ((T)inLayer) {
case (T)BPLayers::DYNAMIC: return "DYNAMIC";
case (T)BPLayers::ANCHORED: return "ANCHORED";
case (T)BPLayers::NOCOLLIDE: return "NOCOLLIDE";
default: panic();
}
}
bool ObjectBroadPhaseFilter::ShouldCollide(JPH::ObjectLayer inLayer1, JPH::BroadPhaseLayer inLayer2) const {
return true;
using T = JPH::BroadPhaseLayer::Type;
switch ((T)inLayer2) {
case (T)BPLayers::DYNAMIC: return true;
case (T)BPLayers::ANCHORED: return true;
case (T)BPLayers::NOCOLLIDE: return false;
default: panic();
}
}
bool ObjectLayerPairFilter::ShouldCollide(JPH::ObjectLayer inLayer1, JPH::ObjectLayer inLayer2) const {
@ -307,6 +318,8 @@ bool ObjectLayerPairFilter::ShouldCollide(JPH::ObjectLayer inLayer1, JPH::Object
return true;
case Layers::ANCHORED:
return inLayer2 == Layers::DYNAMIC;
case Layers::NOCOLLIDE:
return false;
default:
panic();
}