Steve Pham
38261d0800
* Updated all copyright headers to split the longer original copyright line into 2 shorter lines Signed-off-by: Steve Pham <spham@amazon.com>
80 lines
2.0 KiB
C++
80 lines
2.0 KiB
C++
/*
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* Copyright (c) Contributors to the Open 3D Engine Project.
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* For complete copyright and license terms please see the LICENSE at the root of this distribution.
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*
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* SPDX-License-Identifier: Apache-2.0 OR MIT
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*
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*/
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// float
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template <>
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MCORE_INLINE bool Compare<float>::CheckIfIsClose(const float& a, const float& b, float threshold)
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{
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return (Math::Abs(a - b) <= threshold);
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}
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// Vector2
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template <>
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MCORE_INLINE bool Compare<AZ::Vector2>::CheckIfIsClose(const AZ::Vector2& a, const AZ::Vector2& b, float threshold)
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{
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return ((a - b).GetLength() <= threshold);
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}
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// Vector3
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template <>
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MCORE_INLINE bool Compare<AZ::Vector3>::CheckIfIsClose(const AZ::Vector3& a, const AZ::Vector3& b, float threshold)
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{
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return ((a - b).GetLength() <= threshold);
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}
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// Vector4
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template <>
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MCORE_INLINE bool Compare<AZ::Vector4>::CheckIfIsClose(const AZ::Vector4& a, const AZ::Vector4& b, float threshold)
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{
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return ((a - b).GetLength() <= threshold);
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}
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// Quaternion
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template <>
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MCORE_INLINE bool Compare<AZ::Quaternion>::CheckIfIsClose(const AZ::Quaternion& a, const AZ::Quaternion& b, float threshold)
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{
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/*
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if (a.Dot(b) < 0.0f)
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return Compare<Vector4>::CheckIfIsClose( Vector4(a.x, a.y, a.z, a.w), Vector4(-b.x, -b.y, -b.z, -b.w), threshold);
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else
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return Compare<Vector4>::CheckIfIsClose( Vector4(a.x, a.y, a.z, a.w), Vector4(b.x, b.y, b.z, b.w), threshold);
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*/
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AZ::Vector3 axisA, axisB;
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float angleA, angleB;
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// convert to an axis and angle representation
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MCore::ToAxisAngle(a, axisA, angleA);
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MCore::ToAxisAngle(b, axisB, angleB);
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// compare the axis and angles
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if (Math::Abs(angleA - angleB) > threshold)
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{
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return false;
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}
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if (Math::Abs(axisA.GetX() - axisB.GetX()) > threshold)
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{
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return false;
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}
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if (Math::Abs(axisA.GetY() - axisB.GetY()) > threshold)
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{
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return false;
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}
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if (Math::Abs(axisA.GetZ() - axisB.GetZ()) > threshold)
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{
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return false;
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}
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// they are the same!
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return true;
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}
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