diff options
Diffstat (limited to 'include/z64math.h')
| -rw-r--r-- | include/z64math.h | 20 |
1 files changed, 20 insertions, 0 deletions
diff --git a/include/z64math.h b/include/z64math.h index 4187622..b533ba2 100644 --- a/include/z64math.h +++ b/include/z64math.h @@ -42,6 +42,20 @@ typedef struct { /* 0x8 */ s32 z; } Vec3i; // size = 0xC +typedef struct { + /* 0x0 */ f32 r; // radius + /* 0x4 */ s16 pitch; // depends on coordinate system. See below. + /* 0x6 */ s16 yaw; // azimuthal angle +} VecSphGeo; // size = 0x8 + +// Defines a point in the spherical coordinate system. +// Pitch is 0 along the positive y-axis (up) +typedef VecSphGeo VecSph; + +// Defines a point in the geographic coordinate system. +// Pitch is 0 along the xz-plane (horizon) +typedef VecSphGeo VecGeo; + typedef float MtxF_t[4][4]; typedef union { MtxF_t mf; @@ -86,4 +100,10 @@ typedef union { #define BINANG_SUB(a, b) ((s16)(a - b)) #define BINANG_ADD(a, b) ((s16)(a + b)) +// Vector macros +#define SQXZ(vec) ((vec.x) * (vec.x) + (vec.z) * (vec.z)) +#define DOTXZ(vec1, vec2) ((vec1.x) * (vec2.x) + (vec1.z) * (vec2.z)) +#define SQXYZ(vec) ((vec.x) * (vec.x) + (vec.y) * (vec.y) + (vec.z) * (vec.z)) +#define DOTXYZ(vec1, vec2) ((vec1.x) * (vec2.x) + (vec1.y) * (vec2.y) + (vec1.z) * (vec2.z)) + #endif |