initial commit, 4.5 stable

thirdparty/jolt_physics/Jolt/Geometry/Triangle.h

@@ -0,0 +1,34 @@
+// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
+// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
+// SPDX-License-Identifier: MIT
+
+#pragma once
+
+JPH_NAMESPACE_BEGIN
+
+/// A simple triangle and its material
+class Triangle
+{
+public:
+	JPH_OVERRIDE_NEW_DELETE
+
+	/// Constructor
+					Triangle() = default;
+					Triangle(const Float3 &inV1, const Float3 &inV2, const Float3 &inV3, uint32 inMaterialIndex = 0, uint32 inUserData = 0) : mV { inV1, inV2, inV3 }, mMaterialIndex(inMaterialIndex), mUserData(inUserData) { }
+					Triangle(Vec3Arg inV1, Vec3Arg inV2, Vec3Arg inV3, uint32 inMaterialIndex = 0, uint32 inUserData = 0) : mMaterialIndex(inMaterialIndex), mUserData(inUserData) { inV1.StoreFloat3(&mV[0]); inV2.StoreFloat3(&mV[1]); inV3.StoreFloat3(&mV[2]); }
+
+	/// Get center of triangle
+	Vec3			GetCentroid() const
+	{
+		return (Vec3::sLoadFloat3Unsafe(mV[0]) + Vec3::sLoadFloat3Unsafe(mV[1]) + Vec3::sLoadFloat3Unsafe(mV[2])) * (1.0f / 3.0f);
+	}
+
+	/// Vertices
+	Float3			mV[3];
+	uint32			mMaterialIndex = 0;			///< Follows mV[3] so that we can read mV as 4 vectors
+	uint32			mUserData = 0;				///< User data that can be used for anything by the application, e.g. for tracking the original index of the triangle
+};
+
+using TriangleList = Array<Triangle>;
+
+JPH_NAMESPACE_END