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annotate src/vector.inl @ 24:13091c00d7ca

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- moved create_face_buffer to Scene::get_face_buffer and did a few reorganizations. - starting work on the kdtree creation
author John Tsiombikas <nuclear@member.fsf.org>
date Sat, 14 Aug 2010 03:02:52 +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 }