Ajout de Jolt Physics + 1ere version des factory entitecomposants - camera, transform, rigidbody, collider, renderer

lib/All/JoltPhysics/Samples/Tests/BroadPhase/BroadPhaseTest.cpp

@@ -0,0 +1,70 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#include <TestFramework.h>
+
+#include <Tests/BroadPhase/BroadPhaseTest.h>
+#include <Jolt/Physics/Collision/Shape/BoxShape.h>
+#include <Jolt/Physics/Body/BodyCreationSettings.h>
+#include <Jolt/Physics/Collision/BroadPhase/BroadPhaseBruteForce.h>
+#include <Jolt/Physics/Collision/BroadPhase/BroadPhaseQuadTree.h>
+#include <random>
+
+JPH_IMPLEMENT_RTTI_ABSTRACT(BroadPhaseTest)
+{
+	JPH_ADD_BASE_CLASS(BroadPhaseTest, Test)
+}
+
+#define NUM_BODIES		10000
+
+//#define BROAD_PHASE		BroadPhaseBruteForce()
+#define BROAD_PHASE		BroadPhaseQuadTree()
+
+BroadPhaseTest::~BroadPhaseTest()
+{
+	delete mBroadPhase;
+	delete mBodyManager;
+}
+
+void BroadPhaseTest::CreateBalancedDistribution(BodyManager *inBodyManager, int inNumBodies, float inEnvironmentSize)
+{
+	default_random_engine random(0x1ee7c0de);
+	uniform_real_distribution<float> zero_to_one(0.0f, 1.0f);
+	float n = float(inNumBodies);
+	Vec3 max_box_start = Vec3::sReplicate(inEnvironmentSize * (1.0f - pow(n, -1.0f / 3.0f)));
+	Vec3 min_box_size = Vec3::sReplicate(1.0f / inEnvironmentSize);
+	Vec3 max_box_size = Vec3::sReplicate(inEnvironmentSize * pow(n, -1.0f / 3.0f)) - min_box_size;
+	for (int b = 0; b < inNumBodies; ++b)
+	{
+		AABox box;
+		box.mMin = max_box_start * Vec3(zero_to_one(random), zero_to_one(random), zero_to_one(random)) - Vec3::sReplicate(0.5f * inEnvironmentSize);
+		box.mMax = box.mMin + min_box_size + max_box_size * Vec3(zero_to_one(random), zero_to_one(random), zero_to_one(random));
+
+		BodyCreationSettings s;
+		s.SetShape(new BoxShape(box.GetExtent(), 0.0f));
+		s.mPosition = RVec3(box.GetCenter());
+		s.mRotation = Quat::sIdentity();
+		s.mObjectLayer = (random() % 10) == 0? Layers::MOVING : Layers::NON_MOVING;
+		Body *body = inBodyManager->AllocateBody(s);
+		inBodyManager->AddBody(body);
+	}
+}
+
+void BroadPhaseTest::Initialize()
+{
+	// Create body manager
+	mBodyManager = new BodyManager();
+	mBodyManager->Init(NUM_BODIES, 0, mBroadPhaseLayerInterface);
+
+	// Create broadphase
+	mBroadPhase = new BROAD_PHASE;
+	mBroadPhase->Init(mBodyManager, mBroadPhaseLayerInterface);
+}
+
+void BroadPhaseTest::PostPhysicsUpdate(float inDeltaTime)
+{
+#ifdef JPH_DEBUG_RENDERER
+	mBodyManager->Draw(BodyManager::DrawSettings(), PhysicsSettings(), mDebugRenderer);
+#endif // JPH_DEBUG_RENDERER
+}