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- 新增Math库: Vector2/3/4, Matrix3/4, Quaternion, Transform, Color等 - 新增测试框架: Google Test (gtest) - 新增140个单元测试，覆盖Vector, Matrix, Quaternion, Geometry - VolumeRenderer支持vcpkg的NanoVDB - 添加TESTING.md测试文档
67 lines
1.9 KiB
C++
67 lines
1.9 KiB
C++
#pragma once
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#include "Math.h"
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#include "Vector3.h"
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#include "Vector4.h"
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namespace XCEngine {
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namespace Math {
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struct Quaternion;
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struct Matrix4x4 {
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public:
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float m[4][4];
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Matrix4x4() {
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for (int i = 0; i < 4; i++)
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for (int j = 0; j < 4; j++)
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m[i][j] = 0.0f;
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}
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static Matrix4x4 Identity() {
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Matrix4x4 result;
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result.m[0][0] = 1.0f;
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result.m[1][1] = 1.0f;
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result.m[2][2] = 1.0f;
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result.m[3][3] = 1.0f;
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return result;
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}
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static Matrix4x4 Zero() {
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return Matrix4x4();
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}
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static Matrix4x4 Translation(const Vector3& v);
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static Matrix4x4 Rotation(const Quaternion& q);
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static Matrix4x4 Scale(const Vector3& v);
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static Matrix4x4 TRS(const Vector3& translation, const Quaternion& rotation, const Vector3& scale);
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static Matrix4x4 LookAt(const Vector3& eye, const Vector3& target, const Vector3& up);
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static Matrix4x4 Perspective(float fov, float aspect, float near, float far);
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static Matrix4x4 Orthographic(float left, float right, float bottom, float top, float near, float far);
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static Matrix4x4 RotationX(float radians);
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static Matrix4x4 RotationY(float radians);
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static Matrix4x4 RotationZ(float radians);
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Matrix4x4 operator*(const Matrix4x4& other) const;
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Vector4 operator*(const Vector4& v) const;
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Vector3 MultiplyPoint(const Vector3& v) const;
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Vector3 MultiplyVector(const Vector3& v) const;
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Matrix4x4 Transpose() const;
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Matrix4x4 Inverse() const;
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float Determinant() const;
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Vector3 GetTranslation() const;
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Quaternion GetRotation() const;
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Vector3 GetScale() const;
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void Decompose(Vector3& translation, Quaternion& rotation, Vector3& scale) const;
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float* operator[](int row) { return m[row]; }
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const float* operator[](int row) const { return m[row]; }
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};
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using Matrix4 = Matrix4x4;
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} // namespace Math
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} // namespace XCEngine
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