47 lines
1.4 KiB
C
47 lines
1.4 KiB
C
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#ifndef VECTOR2D_H
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#define VECTOR2D_H
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struct Vector2d {
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// Components
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float u, v;
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// Enum for readability
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enum Dimension { U, V };
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// Constructor
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Vector2d() : u(0), v(0) {}
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Vector2d(float u, float v) : u(u), v(v) {}
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// Access operators
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float &operator[](int dimension);
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float const &operator[](int dimension) const;
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};
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// Comparison operators
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bool operator==(Vector2d const &left, Vector2d const &right);
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bool operator!=(Vector2d const &left, Vector2d const &right);
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// Arithmetic operators
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Vector2d operator+(Vector2d const &left, Vector2d const &right);
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Vector2d operator-(Vector2d const &right);
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Vector2d operator-(Vector2d const &left, Vector2d const &right);
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Vector2d operator*(Vector2d const &left, float right);
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Vector2d operator*(float left, Vector2d const &right);
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Vector2d operator/(Vector2d const &left, float right);
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// Assignment operators
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Vector2d &operator+=(Vector2d &left, Vector2d const &right);
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Vector2d &operator-=(Vector2d &left, Vector2d const &right);
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Vector2d &operator*=(Vector2d &left, float right);
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Vector2d &operator/=(Vector2d &left, float right);
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// Useful functions
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Vector2d componentProduct(Vector2d const &left, Vector2d const &right);
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Vector2d componentQuotient(Vector2d const &left, Vector2d const &right);
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float dotProduct(Vector2d const &left, Vector2d const &right);
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float length(Vector2d const &c);
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Vector2d normalized(Vector2d const &v);
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void normalize(Vector2d *v);
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#endif
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