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Update scale to return new vector and template out the norm functions

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Alex Selimov 2025-04-16 12:05:23 -04:00
parent a6c14ce0ab
commit fbc34a0bdd
2 changed files with 61 additions and 23 deletions
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17
include/vec3.h
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@ -2,6 +2,7 @@
#define VEC3_H
#include <cmath>
#include <limits>
template <typename T> struct Vec3 {
T x;
T y;
@ -15,11 +16,7 @@ template <typename T> struct Vec3 {
return {x - other.x, y - other.y, z - other.z};
};
inline void scale(T scalar) {
x *= scalar;
y *= scalar;
z *= scalar;
};
inline Vec3 scale(T scalar) { return {x * scalar, y * scalar, z * scalar}; };
inline T dot(Vec3<T> other) const {
return x * other.x + y * other.y + z * other.z;
@ -30,9 +27,15 @@ template <typename T> struct Vec3 {
x * other.y - y * other.x};
}
inline double squared_norm2() const { return x * x + y * y + z * z; }
inline T squared_norm2() const { return x * x + y * y + z * z; }
inline double norm2() const { return std::sqrt(squared_norm2()); }
inline T norm2() const { return std::sqrt(squared_norm2()); }
inline Vec3<T> normalized() {
// Add epsilon to the norm for stability when the norm is 0
T norm = std::max(norm2(), std::numeric_limits<T>::epsilon());
return {x / norm, y / norm, z / norm};
}
};
#endif