clray
annotate src/vector.inl @ 23:51f115e337c2
separated obj loading and vector class
| author | John Tsiombikas <nuclear@member.fsf.org> |
|---|---|
| date | Fri, 13 Aug 2010 18:20:45 +0100 |
| parents | |
| children | 6a30f27fa1e6 |
| rev | line source |
|---|---|
| nuclear@23 | 1 #include <math.h> |
| nuclear@23 | 2 |
| nuclear@23 | 3 inline float Vector3::length() |
| nuclear@23 | 4 { |
| nuclear@23 | 5 return sqrt(x * x + y * y + z * z); |
| nuclear@23 | 6 } |
| nuclear@23 | 7 |
| nuclear@23 | 8 inline float Vector3::lengthsq() |
| nuclear@23 | 9 { |
| nuclear@23 | 10 return x * x + y * y + z * z; |
| nuclear@23 | 11 } |
| nuclear@23 | 12 |
| nuclear@23 | 13 inline Vector3 operator +(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 14 { |
| nuclear@23 | 15 return Vector3(a.x + b.x, a.y + b.y, a.z + b.z); |
| nuclear@23 | 16 } |
| nuclear@23 | 17 |
| nuclear@23 | 18 inline Vector3 operator -(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 19 { |
| nuclear@23 | 20 return Vector3(a.x - b.x, a.y - b.y, a.z - b.z); |
| nuclear@23 | 21 } |
| nuclear@23 | 22 |
| nuclear@23 | 23 inline Vector3 operator *(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 24 { |
| nuclear@23 | 25 return Vector3(a.x * b.x, a.y * b.y, a.z * b.z); |
| nuclear@23 | 26 } |
| nuclear@23 | 27 |
| nuclear@23 | 28 inline Vector3 operator /(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 29 { |
| nuclear@23 | 30 return Vector3(a.x / b.x, a.y / b.y, a.z / b.z); |
| nuclear@23 | 31 } |
| nuclear@23 | 32 |
| nuclear@23 | 33 |
| nuclear@23 | 34 inline Vector3 operator -(const Vector3 &vec) |
| nuclear@23 | 35 { |
| nuclear@23 | 36 return Vector3(-vec.x, -vec.y, -vec.z); |
| nuclear@23 | 37 } |
| nuclear@23 | 38 |
| nuclear@23 | 39 inline Vector3 operator *(const Vector3 &vec, float s) |
| nuclear@23 | 40 { |
| nuclear@23 | 41 return Vector3(vec.x * s, vec.y * s, vec.z * s); |
| nuclear@23 | 42 } |
| nuclear@23 | 43 |
| nuclear@23 | 44 |
| nuclear@23 | 45 inline float dot(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 46 { |
| nuclear@23 | 47 return a.x * b.x + a.y * b.y + a.z * b.z; |
| nuclear@23 | 48 } |
| nuclear@23 | 49 |
| nuclear@23 | 50 inline Vector3 cross(const Vector3 &a, const Vector3 &b) |
| nuclear@23 | 51 { |
| nuclear@23 | 52 return Vector3(a.y * b.z - a.z * b.y, a.z * b.x - a.x * b.z, a.x * b.y - a.y * b.x); |
| nuclear@23 | 53 } |