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32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
#pragma once
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#include <math.h>
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#include <openxr/openxr.h>
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#ifndef EPSILON
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#define EPSILON 0.001f
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#endif
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float ToDegrees(float rad);
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float ToRadians(float deg);
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bool IsMatrixIdentity(float* matrix);
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// XrPosef
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XrPosef XrPosef_Identity();
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XrPosef XrPosef_Inverse(const XrPosef a);
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// XrQuaternionf
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XrQuaternionf XrQuaternionf_CreateFromVectorAngle(const XrVector3f axis, const float angle);
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XrQuaternionf XrQuaternionf_Inverse(const XrQuaternionf q);
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XrQuaternionf XrQuaternionf_Multiply(const XrQuaternionf a, const XrQuaternionf b);
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XrVector3f XrQuaternionf_Rotate(const XrQuaternionf a, const XrVector3f v);
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XrVector3f XrQuaternionf_ToEulerAngles(const XrQuaternionf q);
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void XrQuaternionf_ToMatrix4f(const XrQuaternionf* q, float* m);
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// XrVector3f, XrVector4f
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float XrVector3f_LengthSquared(const XrVector3f v);
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XrVector3f XrVector3f_GetAnglesFromVectors(const XrVector3f forward, const XrVector3f right, const XrVector3f up);
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XrVector3f XrVector3f_Normalized(const XrVector3f v);
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XrVector3f XrVector3f_ScalarMultiply(const XrVector3f v, float scale);
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XrVector4f XrVector4f_MultiplyMatrix4f(const float* m, const XrVector4f* v);
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