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

lib/All/JoltPhysics/Samples/Utils/ShapeCreator.cpp

@@ -0,0 +1,40 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2022 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#include <TestFramework.h>
+
+#include <Utils/ShapeCreator.h>
+
+namespace ShapeCreator {
+
+ShapeRefC CreateTorusMesh(float inTorusRadius, float inTubeRadius, uint inTorusSegments, uint inTubeSegments)
+{
+	uint cNumVertices = inTorusSegments * inTubeSegments;
+
+	// Create torus
+	MeshShapeSettings mesh;
+	mesh.mTriangleVertices.reserve(cNumVertices);
+	mesh.mIndexedTriangles.reserve(cNumVertices * 2);
+	for (uint torus_segment = 0; torus_segment < inTorusSegments; ++torus_segment)
+	{
+		Mat44 rotation = Mat44::sRotation(Vec3::sAxisY(), float(torus_segment) * 2.0f * JPH_PI / inTorusSegments);
+		for (uint tube_segment = 0; tube_segment < inTubeSegments; ++tube_segment)
+		{
+			// Create vertices
+			float tube_angle = float(tube_segment) * 2.0f * JPH_PI / inTubeSegments;
+			Vec3 pos = rotation * Vec3(inTorusRadius + inTubeRadius * Sin(tube_angle), inTubeRadius * Cos(tube_angle), 0);
+			Float3 v;
+			pos.StoreFloat3(&v);
+			mesh.mTriangleVertices.push_back(v);
+
+			// Create indices
+			uint start_idx = torus_segment * inTubeSegments + tube_segment;
+			mesh.mIndexedTriangles.emplace_back(start_idx, (start_idx + 1) % cNumVertices, (start_idx + inTubeSegments) % cNumVertices);
+			mesh.mIndexedTriangles.emplace_back((start_idx + 1) % cNumVertices, (start_idx + inTubeSegments + 1) % cNumVertices, (start_idx + inTubeSegments) % cNumVertices);
+		}
+	}
+	return mesh.Create().Get();
+}
+
+};