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LibGfx: Constexpr Matrices and Vectors

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Hendiadyoin1 2021-05-02 16:09:18 +02:00 • committed by Andreas Kling
parent 09f850728a
commit 1424c4651f
4 changed files with 61 additions and 61 deletions
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44
Userland/Libraries/LibGfx/Vector4.h
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@ -12,8 +12,8 @@ namespace Gfx {
template<typename T>
class Vector4 final {
public:
Vector4() = default;
Vector4(T x, T y, T z, T w)
constexpr Vector4() = default;
constexpr Vector4(T x, T y, T z, T w)
: m_x(x)
, m_y(y)
, m_z(z)
@ -21,17 +21,17 @@ public:
{
}
T x() const { return m_x; }
T y() const { return m_y; }
T z() const { return m_z; }
T w() const { return m_w; }
constexpr T x() const { return m_x; }
constexpr T y() const { return m_y; }
constexpr T z() const { return m_z; }
constexpr T w() const { return m_w; }
void set_x(T value) { m_x = value; }
void set_y(T value) { m_y = value; }
void set_z(T value) { m_z = value; }
void set_w(T value) { m_w = value; }
constexpr void set_x(T value) { m_x = value; }
constexpr void set_y(T value) { m_y = value; }
constexpr void set_z(T value) { m_z = value; }
constexpr void set_w(T value) { m_w = value; }
Vector4& operator+=(const Vector4& other)
constexpr Vector4& operator+=(const Vector4& other)
{
m_x += other.m_x;
m_y += other.m_y;
@ -40,7 +40,7 @@ public:
return *this;
}
Vector4& operator-=(const Vector4& other)
constexpr Vector4& operator-=(const Vector4& other)
{
m_x -= other.m_x;
m_y -= other.m_y;
@ -49,45 +49,45 @@ public:
return *this;
}
Vector4 operator+(const Vector4& other) const
constexpr Vector4 operator+(const Vector4& other) const
{
return Vector4(m_x + other.m_x, m_y + other.m_y, m_z + other.m_z, m_w + other.m_w);
}
Vector4 operator-(const Vector4& other) const
constexpr Vector4 operator-(const Vector4& other) const
{
return Vector4(m_x - other.m_x, m_y - other.m_y, m_z - other.m_z, m_w - other.m_w);
}
Vector4 operator*(T f) const
constexpr Vector4 operator*(T f) const
{
return Vector4(m_x * f, m_y * f, m_z * f, m_w * f);
}
Vector4 operator/(T f) const
constexpr Vector4 operator/(T f) const
{
return Vector4(m_x / f, m_y / f, m_z / f, m_w / f);
}
T dot(const Vector4& other) const
constexpr T dot(const Vector4& other) const
{
return m_x * other.m_x + m_y * other.m_y + m_z * other.m_z + m_w * other.m_w;
}
Vector4 normalized() const
constexpr Vector4 normalized() const
{
T inv_length = 1 / length();
return *this * inv_length;
}
Vector4 clamped(T m, T x) const
constexpr Vector4 clamped(T m, T x) const
{
Vector4 copy { *this };
copy.clamp(m, x);
return copy;
}
void clamp(T min_value, T max_value)
constexpr void clamp(T min_value, T max_value)
{
m_x = max(min_value, m_x);
m_y = max(min_value, m_y);
@ -99,7 +99,7 @@ public:
m_w = min(max_value, m_w);
}
void normalize()
constexpr void normalize()
{
T inv_length = 1 / length();
m_x *= inv_length;
@ -108,7 +108,7 @@ public:
m_w *= inv_length;
}
T length() const
constexpr T length() const
{
return sqrt(m_x * m_x + m_y * m_y + m_z * m_z + m_w * m_w);
}