37 lines
1.1 KiB
C++
37 lines
1.1 KiB
C++
// Jolt Physics Library (https://github.com/jrouwe/JoltPhysics)
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// SPDX-FileCopyrightText: 2021 Jorrit Rouwe
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// SPDX-License-Identifier: MIT
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#pragma once
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#include <Jolt/Physics/Body/BodyID.h>
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#include <Jolt/Core/HashCombine.h>
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JPH_NAMESPACE_BEGIN
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/// Structure that holds a body pair
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struct alignas(uint64) BodyPair
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{
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JPH_OVERRIDE_NEW_DELETE
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/// Constructor
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BodyPair() = default;
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BodyPair(BodyID inA, BodyID inB) : mBodyA(inA), mBodyB(inB) { }
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/// Equals operator
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bool operator == (const BodyPair &inRHS) const { return *reinterpret_cast<const uint64 *>(this) == *reinterpret_cast<const uint64 *>(&inRHS); }
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/// Smaller than operator, used for consistently ordering body pairs
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bool operator < (const BodyPair &inRHS) const { return *reinterpret_cast<const uint64 *>(this) < *reinterpret_cast<const uint64 *>(&inRHS); }
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/// Get the hash value of this object
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uint64 GetHash() const { return Hash64(*reinterpret_cast<const uint64 *>(this)); }
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BodyID mBodyA;
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BodyID mBodyB;
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};
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static_assert(sizeof(BodyPair) == sizeof(uint64), "Mismatch in class size");
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JPH_NAMESPACE_END
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