mirror of
https://github.com/0TheSpy/Seaside.git
synced 2025-01-11 03:32:10 +08:00
748 lines
19 KiB
C++
748 lines
19 KiB
C++
#ifndef VMATRIX_H
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#define VMATRIX_H
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#ifdef _WIN32
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#pragma once
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#endif
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#include <string.h>
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#include "vector.h"
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#include "vplane.h"
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#include "vector4d.h"
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#include "mathlib.h"
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struct cplane_t;
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class VMatrix
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{
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public:
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VMatrix();
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VMatrix(
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vec_t m00, vec_t m01, vec_t m02, vec_t m03,
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vec_t m10, vec_t m11, vec_t m12, vec_t m13,
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vec_t m20, vec_t m21, vec_t m22, vec_t m23,
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vec_t m30, vec_t m31, vec_t m32, vec_t m33
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);
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VMatrix(const Vector& forward, const Vector& left, const Vector& up);
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VMatrix(const Vector& forward, const Vector& left, const Vector& up, const Vector& translation);
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VMatrix(const matrix3x4_t& matrix3x4);
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void Init(
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vec_t m00, vec_t m01, vec_t m02, vec_t m03,
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vec_t m10, vec_t m11, vec_t m12, vec_t m13,
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vec_t m20, vec_t m21, vec_t m22, vec_t m23,
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vec_t m30, vec_t m31, vec_t m32, vec_t m33
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);
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void Init(const matrix3x4_t& matrix3x4);
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inline float* operator[](int i)
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{
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return m[i];
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}
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inline const float* operator[](int i) const
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{
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return m[i];
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}
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inline float* Base()
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{
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return &m[0][0];
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}
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inline const float* Base() const
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{
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return &m[0][0];
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}
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void SetLeft(const Vector& vLeft);
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void SetUp(const Vector& vUp);
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void SetForward(const Vector& vForward);
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void GetBasisVectors(Vector& vForward, Vector& vLeft, Vector& vUp) const;
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void SetBasisVectors(const Vector& vForward, const Vector& vLeft, const Vector& vUp);
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Vector& GetTranslation(Vector& vTrans) const;
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void SetTranslation(const Vector& vTrans);
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void PreTranslate(const Vector& vTrans);
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void PostTranslate(const Vector& vTrans);
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const matrix3x4_t& As3x4() const;
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void CopyFrom3x4(const matrix3x4_t& m3x4);
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void Set3x4(matrix3x4_t& matrix3x4) const;
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bool operator==(const VMatrix& src) const;
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bool operator!=(const VMatrix& src) const { return !(*this == src); }
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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Vector GetLeft() const;
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Vector GetUp() const;
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Vector GetForward() const;
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Vector GetTranslation() const;
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#endif
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public:
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void V3Mul(const Vector& vIn, Vector& vOut) const;
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void V4Mul(const Vector4D& vIn, Vector4D& vOut) const;
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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Vector ApplyRotation(const Vector& vVec) const;
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Vector operator*(const Vector& vVec) const;
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Vector VMul3x3(const Vector& vVec) const;
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Vector VMul3x3Transpose(const Vector& vVec) const;
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Vector VMul4x3(const Vector& vVec) const;
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Vector VMul4x3Transpose(const Vector& vVec) const;
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#endif
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public:
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void TransformPlane(const VPlane& inPlane, VPlane& outPlane) const;
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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VPlane operator*(const VPlane& thePlane) const;
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#endif
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public:
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VMatrix& operator=(const VMatrix& mOther);
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void MatrixMul(const VMatrix& vm, VMatrix& out) const;
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const VMatrix& operator+=(const VMatrix& other);
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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VMatrix operator*(const VMatrix& mOther) const;
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VMatrix operator+(const VMatrix& other) const;
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VMatrix operator-(const VMatrix& other) const;
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VMatrix operator-() const;
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VMatrix operator~() const;
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#endif
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public:
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void Identity();
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bool IsIdentity() const;
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void SetupMatrixOrgAngles(const Vector& origin, const QAngle& vAngles);
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void SetupMatrixAngles(const QAngle& vAngles);
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bool InverseGeneral(VMatrix& vInverse) const;
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void InverseTR(VMatrix& mRet) const;
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bool IsRotationMatrix() const;
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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VMatrix InverseTR() const;
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Vector GetScale() const;
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VMatrix Scale(const Vector& vScale);
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VMatrix NormalizeBasisVectors() const;
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VMatrix Transpose() const;
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VMatrix Transpose3x3() const;
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#endif
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public:
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vec_t m[4][4];
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};
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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VMatrix SetupMatrixIdentity();
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VMatrix SetupMatrixScale(const Vector& vScale);
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VMatrix SetupMatrixTranslation(const Vector& vTranslation);
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VMatrix SetupMatrixReflection(const VPlane& thePlane);
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VMatrix SetupMatrixProjection(const Vector& vOrigin, const VPlane& thePlane);
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VMatrix SetupMatrixAxisRot(const Vector& vAxis, vec_t fDegrees);
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VMatrix SetupMatrixAngles(const QAngle& vAngles);
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VMatrix SetupMatrixOrgAngles(const Vector& origin, const QAngle& vAngles);
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#endif
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#define VMatToString(mat) (static_cast<const char *>(CFmtStr("[ (%f, %f, %f), (%f, %f, %f), (%f, %f, %f), (%f, %f, %f) ]", mat.m[0][0], mat.m[0][1], mat.m[0][2], mat.m[0][3], mat.m[1][0], mat.m[1][1], mat.m[1][2], mat.m[1][3], mat.m[2][0], mat.m[2][1], mat.m[2][2], mat.m[2][3], mat.m[3][0], mat.m[3][1], mat.m[3][2], mat.m[3][3] )))
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bool PlaneIntersection(const VPlane& vp1, const VPlane& vp2, const VPlane& vp3, Vector& vOut);
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void MatrixSetIdentity(VMatrix& dst);
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void MatrixTranspose(const VMatrix& src, VMatrix& dst);
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void MatrixCopy(const VMatrix& src, VMatrix& dst);
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void MatrixMultiply(const VMatrix& src1, const VMatrix& src2, VMatrix& dst);
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void MatrixGetColumn(const VMatrix& src, int nCol, Vector* pColumn);
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void MatrixSetColumn(VMatrix& src, int nCol, const Vector& column);
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void MatrixGetRow(const VMatrix& src, int nCol, Vector* pColumn);
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void MatrixSetRow(VMatrix& src, int nCol, const Vector& column);
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void Vector3DMultiply(const VMatrix& src1, const Vector& src2, Vector& dst);
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inline void Vector3DMultiplyPosition(const VMatrix& src1, const VectorByValue src2, Vector& dst);
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void Vector3DMultiplyPositionProjective(const VMatrix& src1, const Vector& src2, Vector& dst);
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void Vector3DMultiplyProjective(const VMatrix& src1, const Vector& src2, Vector& dst);
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void Vector4DMultiply(const VMatrix& src1, const Vector4D& src2, Vector4D& dst);
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void Vector4DMultiplyPosition(const VMatrix& src1, const Vector& src2, Vector4D& dst);
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void Vector3DMultiplyTranspose(const VMatrix& src1, const Vector& src2, Vector& dst);
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void Vector4DMultiplyTranspose(const VMatrix& src1, const Vector4D& src2, Vector4D& dst);
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void MatrixTransformPlane(const VMatrix& src, const cplane_t& inPlane, cplane_t& outPlane);
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void MatrixTransformAxisAlignedPlane(const VMatrix& src, int nDim, float flSign, float flDist, cplane_t& outPlane);
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void MatrixBuildTranslation(VMatrix& dst, float x, float y, float z);
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void MatrixBuildTranslation(VMatrix& dst, const Vector& translation);
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inline void MatrixTranslate(VMatrix& dst, const Vector& translation)
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{
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VMatrix matTranslation, temp;
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MatrixBuildTranslation(matTranslation, translation);
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MatrixMultiply(dst, matTranslation, temp);
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dst = temp;
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}
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void MatrixBuildRotationAboutAxis(VMatrix& dst, const Vector& vAxisOfRot, float angleDegrees);
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void MatrixBuildRotateZ(VMatrix& dst, float angleDegrees);
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inline void MatrixRotate(VMatrix& dst, const Vector& vAxisOfRot, float angleDegrees)
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{
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VMatrix rotation, temp;
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MatrixBuildRotationAboutAxis(rotation, vAxisOfRot, angleDegrees);
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MatrixMultiply(dst, rotation, temp);
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dst = temp;
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}
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void MatrixBuildRotation(VMatrix& dst, const Vector& initialDirection, const Vector& finalDirection);
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void MatrixBuildScale(VMatrix& dst, float x, float y, float z);
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void MatrixBuildScale(VMatrix& dst, const Vector& scale);
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void MatrixBuildPerspective(VMatrix& dst, float fovX, float fovY, float zNear, float zFar);
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void CalculateAABBFromProjectionMatrix(const VMatrix& worldToVolume, Vector* pMins, Vector* pMaxs);
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void CalculateSphereFromProjectionMatrix(const VMatrix& worldToVolume, Vector* pCenter, float* pflRadius);
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void CalculateAABBFromProjectionMatrixInverse(const VMatrix& volumeToWorld, Vector* pMins, Vector* pMaxs);
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void CalculateSphereFromProjectionMatrixInverse(const VMatrix& volumeToWorld, Vector* pCenter, float* pflRadius);
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void FrustumPlanesFromMatrix(const VMatrix& clipToWorld, Frustum_t& frustum);
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void MatrixFromAngles(const QAngle& vAngles, VMatrix& dst);
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void MatrixToAngles(const VMatrix& src, QAngle& vAngles);
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void MatrixInverseTR(const VMatrix& src, VMatrix& dst);
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bool MatrixInverseGeneral(const VMatrix& src, VMatrix& dst);
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void MatrixInverseTranspose(const VMatrix& src, VMatrix& dst);
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inline VMatrix::VMatrix()
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{
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}
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inline VMatrix::VMatrix(
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vec_t m00, vec_t m01, vec_t m02, vec_t m03,
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vec_t m10, vec_t m11, vec_t m12, vec_t m13,
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vec_t m20, vec_t m21, vec_t m22, vec_t m23,
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vec_t m30, vec_t m31, vec_t m32, vec_t m33)
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{
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Init(
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m00, m01, m02, m03,
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m10, m11, m12, m13,
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m20, m21, m22, m23,
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m30, m31, m32, m33
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);
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}
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inline VMatrix::VMatrix(const matrix3x4_t& matrix3x4)
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{
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Init(matrix3x4);
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}
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inline VMatrix::VMatrix(const Vector& xAxis, const Vector& yAxis, const Vector& zAxis)
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{
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Init(
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xAxis.x, yAxis.x, zAxis.x, 0.0f,
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xAxis.y, yAxis.y, zAxis.y, 0.0f,
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xAxis.z, yAxis.z, zAxis.z, 0.0f,
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0.0f, 0.0f, 0.0f, 1.0f
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);
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}
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inline VMatrix::VMatrix(const Vector& xAxis, const Vector& yAxis, const Vector& zAxis, const Vector& translation)
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{
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Init(
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xAxis.x, yAxis.x, zAxis.x, translation.x,
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xAxis.y, yAxis.y, zAxis.y, translation.y,
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xAxis.z, yAxis.z, zAxis.z, translation.z,
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0.0f, 0.0f, 0.0f, 1.0f
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);
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}
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inline void VMatrix::Init(
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vec_t m00, vec_t m01, vec_t m02, vec_t m03,
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vec_t m10, vec_t m11, vec_t m12, vec_t m13,
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vec_t m20, vec_t m21, vec_t m22, vec_t m23,
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vec_t m30, vec_t m31, vec_t m32, vec_t m33
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)
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{
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m[0][0] = m00;
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m[0][1] = m01;
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m[0][2] = m02;
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m[0][3] = m03;
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m[1][0] = m10;
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m[1][1] = m11;
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m[1][2] = m12;
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m[1][3] = m13;
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m[2][0] = m20;
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m[2][1] = m21;
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m[2][2] = m22;
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m[2][3] = m23;
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m[3][0] = m30;
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m[3][1] = m31;
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m[3][2] = m32;
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m[3][3] = m33;
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}
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inline void VMatrix::Init(const matrix3x4_t& matrix3x4)
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{
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memcpy(m, matrix3x4.Base(), sizeof(matrix3x4_t));
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m[3][0] = 0.0f;
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m[3][1] = 0.0f;
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m[3][2] = 0.0f;
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m[3][3] = 1.0f;
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}
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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inline Vector VMatrix::GetForward() const
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{
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return Vector(m[0][0], m[1][0], m[2][0]);
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}
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inline Vector VMatrix::GetLeft() const
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{
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return Vector(m[0][1], m[1][1], m[2][1]);
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}
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inline Vector VMatrix::GetUp() const
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{
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return Vector(m[0][2], m[1][2], m[2][2]);
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}
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#endif
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inline void VMatrix::SetForward(const Vector& vForward)
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{
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m[0][0] = vForward.x;
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m[1][0] = vForward.y;
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m[2][0] = vForward.z;
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}
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inline void VMatrix::SetLeft(const Vector& vLeft)
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{
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m[0][1] = vLeft.x;
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m[1][1] = vLeft.y;
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m[2][1] = vLeft.z;
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}
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inline void VMatrix::SetUp(const Vector& vUp)
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{
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m[0][2] = vUp.x;
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m[1][2] = vUp.y;
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m[2][2] = vUp.z;
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}
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inline void VMatrix::GetBasisVectors(Vector& vForward, Vector& vLeft, Vector& vUp) const
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{
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vForward.Init(m[0][0], m[1][0], m[2][0]);
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vLeft.Init(m[0][1], m[1][1], m[2][1]);
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vUp.Init(m[0][2], m[1][2], m[2][2]);
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}
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inline void VMatrix::SetBasisVectors(const Vector& vForward, const Vector& vLeft, const Vector& vUp)
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{
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SetForward(vForward);
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SetLeft(vLeft);
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SetUp(vUp);
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}
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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inline Vector VMatrix::GetTranslation() const
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{
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return Vector(m[0][3], m[1][3], m[2][3]);
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}
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#endif
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inline Vector& VMatrix::GetTranslation(Vector& vTrans) const
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{
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vTrans.x = m[0][3];
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vTrans.y = m[1][3];
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vTrans.z = m[2][3];
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return vTrans;
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}
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inline void VMatrix::SetTranslation(const Vector& vTrans)
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{
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m[0][3] = vTrans.x;
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m[1][3] = vTrans.y;
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m[2][3] = vTrans.z;
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}
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inline void VMatrix::PreTranslate(const Vector& vTrans)
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{
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Vector tmp;
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Vector3DMultiplyPosition(*this, vTrans, tmp);
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m[0][3] = tmp.x;
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m[1][3] = tmp.y;
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m[2][3] = tmp.z;
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}
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inline void VMatrix::PostTranslate(const Vector& vTrans)
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{
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m[0][3] += vTrans.x;
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m[1][3] += vTrans.y;
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m[2][3] += vTrans.z;
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}
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inline const matrix3x4_t& VMatrix::As3x4() const
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{
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return *((const matrix3x4_t*)this);
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}
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inline void VMatrix::CopyFrom3x4(const matrix3x4_t& m3x4)
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{
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memcpy(m, m3x4.Base(), sizeof(matrix3x4_t));
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m[3][0] = m[3][1] = m[3][2] = 0;
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m[3][3] = 1;
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}
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inline void VMatrix::Set3x4(matrix3x4_t& matrix3x4) const
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{
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memcpy(matrix3x4.Base(), m, sizeof(matrix3x4_t));
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}
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inline const VMatrix& VMatrix::operator+=(const VMatrix& other)
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{
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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m[i][j] += other.m[i][j];
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}
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}
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return *this;
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}
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#ifndef VECTOR_NO_SLOW_OPERATIONS
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inline VMatrix VMatrix::operator+(const VMatrix& other) const
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{
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VMatrix ret;
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for (int i = 0; i < 16; i++)
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{
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((float*)ret.m)[i] = ((float*)m)[i] + ((float*)other.m)[i];
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}
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return ret;
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}
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inline VMatrix VMatrix::operator-(const VMatrix& other) const
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{
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VMatrix ret;
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for (int i = 0; i < 4; i++)
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{
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for (int j = 0; j < 4; j++)
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{
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ret.m[i][j] = m[i][j] - other.m[i][j];
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}
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}
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return ret;
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}
|
|
|
|
inline VMatrix VMatrix::operator-() const
|
|
{
|
|
VMatrix ret;
|
|
for (int i = 0; i < 16; i++)
|
|
{
|
|
((float*)ret.m)[i] = ((float*)m)[i];
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
#ifndef VECTOR_NO_SLOW_OPERATIONS
|
|
|
|
inline Vector VMatrix::operator*(const Vector& vVec) const
|
|
{
|
|
Vector vRet;
|
|
vRet.x = m[0][0] * vVec.x + m[0][1] * vVec.y + m[0][2] * vVec.z + m[0][3];
|
|
vRet.y = m[1][0] * vVec.x + m[1][1] * vVec.y + m[1][2] * vVec.z + m[1][3];
|
|
vRet.z = m[2][0] * vVec.x + m[2][1] * vVec.y + m[2][2] * vVec.z + m[2][3];
|
|
|
|
return vRet;
|
|
}
|
|
|
|
inline Vector VMatrix::VMul4x3(const Vector& vVec) const
|
|
{
|
|
Vector vResult;
|
|
Vector3DMultiplyPosition(*this, vVec, vResult);
|
|
return vResult;
|
|
}
|
|
|
|
|
|
inline Vector VMatrix::VMul4x3Transpose(const Vector& vVec) const
|
|
{
|
|
Vector tmp = vVec;
|
|
tmp.x -= m[0][3];
|
|
tmp.y -= m[1][3];
|
|
tmp.z -= m[2][3];
|
|
|
|
return Vector(
|
|
m[0][0] * tmp.x + m[1][0] * tmp.y + m[2][0] * tmp.z,
|
|
m[0][1] * tmp.x + m[1][1] * tmp.y + m[2][1] * tmp.z,
|
|
m[0][2] * tmp.x + m[1][2] * tmp.y + m[2][2] * tmp.z
|
|
);
|
|
}
|
|
|
|
inline Vector VMatrix::VMul3x3(const Vector& vVec) const
|
|
{
|
|
return Vector(
|
|
m[0][0] * vVec.x + m[0][1] * vVec.y + m[0][2] * vVec.z,
|
|
m[1][0] * vVec.x + m[1][1] * vVec.y + m[1][2] * vVec.z,
|
|
m[2][0] * vVec.x + m[2][1] * vVec.y + m[2][2] * vVec.z
|
|
);
|
|
}
|
|
|
|
inline Vector VMatrix::VMul3x3Transpose(const Vector& vVec) const
|
|
{
|
|
return Vector(
|
|
m[0][0] * vVec.x + m[1][0] * vVec.y + m[2][0] * vVec.z,
|
|
m[0][1] * vVec.x + m[1][1] * vVec.y + m[2][1] * vVec.z,
|
|
m[0][2] * vVec.x + m[1][2] * vVec.y + m[2][2] * vVec.z
|
|
);
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
inline void VMatrix::V3Mul(const Vector& vIn, Vector& vOut) const
|
|
{
|
|
vec_t rw;
|
|
|
|
rw = 1.0f / (m[3][0] * vIn.x + m[3][1] * vIn.y + m[3][2] * vIn.z + m[3][3]);
|
|
vOut.x = (m[0][0] * vIn.x + m[0][1] * vIn.y + m[0][2] * vIn.z + m[0][3]) * rw;
|
|
vOut.y = (m[1][0] * vIn.x + m[1][1] * vIn.y + m[1][2] * vIn.z + m[1][3]) * rw;
|
|
vOut.z = (m[2][0] * vIn.x + m[2][1] * vIn.y + m[2][2] * vIn.z + m[2][3]) * rw;
|
|
}
|
|
|
|
inline void VMatrix::V4Mul(const Vector4D& vIn, Vector4D& vOut) const
|
|
{
|
|
vOut[0] = m[0][0] * vIn[0] + m[0][1] * vIn[1] + m[0][2] * vIn[2] + m[0][3] * vIn[3];
|
|
vOut[1] = m[1][0] * vIn[0] + m[1][1] * vIn[1] + m[1][2] * vIn[2] + m[1][3] * vIn[3];
|
|
vOut[2] = m[2][0] * vIn[0] + m[2][1] * vIn[1] + m[2][2] * vIn[2] + m[2][3] * vIn[3];
|
|
vOut[3] = m[3][0] * vIn[0] + m[3][1] * vIn[1] + m[3][2] * vIn[2] + m[3][3] * vIn[3];
|
|
}
|
|
|
|
|
|
inline void VMatrix::TransformPlane(const VPlane& inPlane, VPlane& outPlane) const
|
|
{
|
|
Vector vTrans;
|
|
Vector3DMultiply(*this, inPlane.m_Normal, outPlane.m_Normal);
|
|
outPlane.m_Dist = inPlane.m_Dist * DotProduct(outPlane.m_Normal, outPlane.m_Normal);
|
|
outPlane.m_Dist += DotProduct(outPlane.m_Normal, GetTranslation(vTrans));
|
|
}
|
|
|
|
|
|
inline void VMatrix::Identity()
|
|
{
|
|
MatrixSetIdentity(*this);
|
|
}
|
|
|
|
|
|
inline bool VMatrix::IsIdentity() const
|
|
{
|
|
return
|
|
m[0][0] == 1.0f && m[0][1] == 0.0f && m[0][2] == 0.0f && m[0][3] == 0.0f &&
|
|
m[1][0] == 0.0f && m[1][1] == 1.0f && m[1][2] == 0.0f && m[1][3] == 0.0f &&
|
|
m[2][0] == 0.0f && m[2][1] == 0.0f && m[2][2] == 1.0f && m[2][3] == 0.0f &&
|
|
m[3][0] == 0.0f && m[3][1] == 0.0f && m[3][2] == 0.0f && m[3][3] == 1.0f;
|
|
}
|
|
|
|
#ifndef VECTOR_NO_SLOW_OPERATIONS
|
|
|
|
inline Vector VMatrix::ApplyRotation(const Vector& vVec) const
|
|
{
|
|
return VMul3x3(vVec);
|
|
}
|
|
|
|
inline VMatrix VMatrix::operator~() const
|
|
{
|
|
VMatrix mRet;
|
|
InverseGeneral(mRet);
|
|
return mRet;
|
|
}
|
|
|
|
#endif
|
|
|
|
|
|
inline void MatrixGetColumn(const VMatrix& src, int nCol, Vector* pColumn)
|
|
{
|
|
Assert((nCol >= 0) && (nCol <= 3));
|
|
|
|
pColumn->x = src[0][nCol];
|
|
pColumn->y = src[1][nCol];
|
|
pColumn->z = src[2][nCol];
|
|
}
|
|
|
|
inline void MatrixSetColumn(VMatrix& src, int nCol, const Vector& column)
|
|
{
|
|
Assert((nCol >= 0) && (nCol <= 3));
|
|
|
|
src.m[0][nCol] = column.x;
|
|
src.m[1][nCol] = column.y;
|
|
src.m[2][nCol] = column.z;
|
|
}
|
|
|
|
inline void MatrixGetRow(const VMatrix& src, int nRow, Vector* pRow)
|
|
{
|
|
Assert((nRow >= 0) && (nRow <= 3));
|
|
*pRow = *(Vector*)src[nRow];
|
|
}
|
|
|
|
inline void MatrixSetRow(VMatrix& dst, int nRow, const Vector& row)
|
|
{
|
|
Assert((nRow >= 0) && (nRow <= 3));
|
|
*(Vector*)dst[nRow] = row;
|
|
}
|
|
|
|
|
|
inline void Vector3DMultiplyPosition(const VMatrix& src1, const VectorByValue src2, Vector& dst)
|
|
{
|
|
dst[0] = src1[0][0] * src2.x + src1[0][1] * src2.y + src1[0][2] * src2.z + src1[0][3];
|
|
dst[1] = src1[1][0] * src2.x + src1[1][1] * src2.y + src1[1][2] * src2.z + src1[1][3];
|
|
dst[2] = src1[2][0] * src2.x + src1[2][1] * src2.y + src1[2][2] * src2.z + src1[2][3];
|
|
}
|
|
|
|
|
|
inline void MatrixTransformAxisAlignedPlane(const VMatrix& src, int nDim, float flSign, float flDist, cplane_t& outPlane)
|
|
{
|
|
MatrixGetColumn(src, nDim, &outPlane.normal);
|
|
outPlane.normal *= flSign;
|
|
outPlane.dist = flDist * DotProduct(outPlane.normal, outPlane.normal);
|
|
|
|
outPlane.dist += outPlane.normal.x * src.m[0][3] + outPlane.normal.y * src.m[1][3] + outPlane.normal.z * src.m[2][3];
|
|
}
|
|
|
|
|
|
inline bool MatricesAreEqual(const VMatrix& src1, const VMatrix& src2, float flTolerance)
|
|
{
|
|
for (int i = 0; i < 3; ++i)
|
|
{
|
|
for (int j = 0; j < 3; ++j)
|
|
{
|
|
if (fabs(src1[i][j] - src2[i][j]) > flTolerance)
|
|
return false;
|
|
}
|
|
}
|
|
return true;
|
|
}
|
|
|
|
void MatrixBuildOrtho(VMatrix& dst, double left, double top, double right, double bottom, double zNear, double zFar);
|
|
void MatrixBuildPerspectiveX(VMatrix& dst, double flFovX, double flAspect, double flZNear, double flZFar);
|
|
void MatrixBuildPerspectiveOffCenterX(VMatrix& dst, double flFovX, double flAspect, double flZNear, double flZFar, double bottom, double top, double left, double right);
|
|
void MatrixBuildPerspectiveZRange(VMatrix& dst, double flZNear, double flZFar);
|
|
|
|
inline void MatrixOrtho(VMatrix& dst, double left, double top, double right, double bottom, double zNear, double zFar)
|
|
{
|
|
VMatrix mat;
|
|
MatrixBuildOrtho(mat, left, top, right, bottom, zNear, zFar);
|
|
|
|
VMatrix temp;
|
|
MatrixMultiply(dst, mat, temp);
|
|
dst = temp;
|
|
}
|
|
|
|
inline void MatrixPerspectiveX(VMatrix& dst, double flFovX, double flAspect, double flZNear, double flZFar)
|
|
{
|
|
VMatrix mat;
|
|
MatrixBuildPerspectiveX(mat, flFovX, flAspect, flZNear, flZFar);
|
|
|
|
VMatrix temp;
|
|
MatrixMultiply(dst, mat, temp);
|
|
dst = temp;
|
|
}
|
|
|
|
inline void MatrixPerspectiveOffCenterX(VMatrix& dst, double flFovX, double flAspect, double flZNear, double flZFar, double bottom, double top, double left, double right)
|
|
{
|
|
VMatrix mat;
|
|
MatrixBuildPerspectiveOffCenterX(mat, flFovX, flAspect, flZNear, flZFar, bottom, top, left, right);
|
|
|
|
VMatrix temp;
|
|
MatrixMultiply(dst, mat, temp);
|
|
dst = temp;
|
|
}
|
|
|
|
#endif
|
|
|