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Vector4 +, -, negation, and *

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+, -, and negation were easy. Multiplication is wacky because the Matrix class does it. So, to do binary * (not *=) I needed to dynamic_cast the resulting Matrix<4,1> to a Vector4&&.
This commit is contained in:
Eryn Wells 2014-08-09 09:32:48 -07:00
parent a3d51f7cf3
commit b41cdb7186
2 changed files with 94 additions and 0 deletions
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13
src/basics/vector.hh
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@ -32,6 +32,15 @@ struct Vector4
Double& Z();
const Double& Z() const;
Vector4 operator*(const Double& rhs) const;
Vector4 operator+(const Vector4& rhs) const;
Vector4& operator+=(const Vector4& rhs);
Vector4 operator-(const Vector4& rhs) const;
Vector4& operator-=(const Vector4& rhs);
Vector4 operator-() const;
/** Get the length-squared of this vector. */
Double Length2() const;
@ -49,6 +58,10 @@ struct Vector4
};
/** Scalar multiplication of vectors, with the scalar factor on the left. */
Vector4 operator*(const Double& lhs, const Vector4& rhs);
/** Normalize the given vector and return a copy of it. */
Vector4& Normalized(const Vector4& v);