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LibGfx: Constexpr Matrices and Vectors
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4 changed files with 61 additions and 61 deletions
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@ -12,23 +12,23 @@ namespace Gfx {
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template<typename T>
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class Vector3 final {
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public:
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Vector3() = default;
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Vector3(T x, T y, T z)
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constexpr Vector3() = default;
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constexpr Vector3(T x, T y, T z)
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: m_x(x)
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, m_y(y)
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, m_z(z)
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{
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}
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T x() const { return m_x; }
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T y() const { return m_y; }
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T z() const { return m_z; }
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constexpr T x() const { return m_x; }
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constexpr T y() const { return m_y; }
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constexpr T z() const { return m_z; }
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void set_x(T value) { m_x = value; }
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void set_y(T value) { m_y = value; }
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void set_z(T value) { m_z = value; }
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constexpr void set_x(T value) { m_x = value; }
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constexpr void set_y(T value) { m_y = value; }
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constexpr void set_z(T value) { m_z = value; }
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Vector3& operator+=(const Vector3& other)
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constexpr Vector3& operator+=(const Vector3& other)
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{
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m_x += other.m_x;
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m_y += other.m_y;
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@ -36,7 +36,7 @@ public:
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return *this;
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}
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Vector3& operator-=(const Vector3& other)
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constexpr Vector3& operator-=(const Vector3& other)
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{
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m_x -= other.m_x;
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m_y -= other.m_y;
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@ -44,32 +44,32 @@ public:
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return *this;
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}
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Vector3 operator+(const Vector3& other) const
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constexpr Vector3 operator+(const Vector3& other) const
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{
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return Vector3(m_x + other.m_x, m_y + other.m_y, m_z + other.m_z);
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}
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Vector3 operator-(const Vector3& other) const
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constexpr Vector3 operator-(const Vector3& other) const
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{
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return Vector3(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z);
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}
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Vector3 operator*(T f) const
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constexpr Vector3 operator*(T f) const
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{
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return Vector3(m_x * f, m_y * f, m_z * f);
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}
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Vector3 operator/(T f) const
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constexpr Vector3 operator/(T f) const
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{
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return Vector3(m_x / f, m_y / f, m_z / f);
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}
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T dot(const Vector3& other) const
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constexpr T dot(const Vector3& other) const
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{
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return m_x * other.m_x + m_y * other.m_y + m_z * other.m_z;
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}
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Vector3 cross(const Vector3& other) const
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constexpr Vector3 cross(const Vector3& other) const
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{
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return Vector3(
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m_y * other.m_z - m_z * other.m_y,
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@ -77,20 +77,20 @@ public:
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m_x * other.m_y - m_y * other.m_x);
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}
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Vector3 normalized() const
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constexpr Vector3 normalized() const
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{
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T inv_length = 1 / length();
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return *this * inv_length;
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}
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Vector3 clamped(T m, T x) const
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constexpr Vector3 clamped(T m, T x) const
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{
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Vector3 copy { *this };
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copy.clamp(m, x);
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return copy;
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}
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void clamp(T min_value, T max_value)
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constexpr void clamp(T min_value, T max_value)
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{
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m_x = max(min_value, m_x);
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m_y = max(min_value, m_y);
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@ -100,7 +100,7 @@ public:
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m_z = min(max_value, m_z);
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}
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void normalize()
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constexpr void normalize()
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{
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T inv_length = 1 / length();
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m_x *= inv_length;
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@ -108,7 +108,7 @@ public:
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m_z *= inv_length;
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}
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T length() const
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constexpr T length() const
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{
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return sqrt(m_x * m_x + m_y * m_y + m_z * m_z);
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}
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