7 #define sins(x) gSineTable[(u16) (x) >> 4] 8 #define coss(x) gCosineTable[(u16) (x) >> 4] 10 #define min(a, b) ((a) <= (b) ? (a) : (b)) 11 #define max(a, b) ((a) > (b) ? (a) : (b)) 13 #define sqr(x) ((x) * (x)) f32 Vec3f[3]
Definition: types.h:23
void mtxf_rotate_xy(Mtx *a, s16 b)
Set 'mtx' to a transformation matrix that rotates around the z axis.
Definition: math_util.c:568
void get_pos_from_transform_mtx(Vec3f a, f32 b[4][4], f32 c[4][4])
void vec3f_set_dist_and_angle(Vec3f a, Vec3f b, f32 c, s16 d, s16 e)
Construct the 'to' point which is distance 'dist' away from the 'from' position, and has the angles p...
Definition: math_util.c:615
void * vec3s_add(Vec3s dest, Vec3s a)
Add vector a to 'dest'.
Definition: math_util.c:69
void * vec3f_normalize(Vec3f dest)
Scale vector 'dest' so it has length 1.
Definition: math_util.c:131
void * vec3f_set(Vec3f dest, f32 x, f32 y, f32 z)
Set vector 'dest' to (x, y, z)
Definition: math_util.c:29
void mtxf_scale_vec3f(f32 a[4][4], f32 b[4][4], Vec3f c)
f32 approach_f32(f32 a, f32 b, f32 c, f32 d)
Return the value 'current' after it tries to approach target, going up at most 'inc' and going down a...
Definition: math_util.c:643
signed short int s16
Definition: ultratypes.h:13
f32 Vec4f[4]
Definition: types.h:26
s16 Vec4s[4]
Definition: types.h:27
void mtxf_align_terrain_triangle(f32 mtx[4][4], Vec3f b, s16 c, f32 d)
void mtxf_copy(f32 dest[4][4], f32 src[4][4])
s16 Vec3s[3]
Definition: types.h:24
s32 approach_s32(s32 a, s32 b, s32 c, s32 d)
Return the value 'current' after it tries to approach target, going up at most 'inc' and going down a...
Definition: math_util.c:624
void vec3f_get_dist_and_angle(Vec3f a, Vec3f b, f32 *c, s16 *d, s16 *e)
Take the vector starting at 'from' pointed at 'to' an retrieve the length of that vector...
Definition: math_util.c:602
void * find_vector_perpendicular_to_plane(Vec3f dest, Vec3f a, Vec3f b, Vec3f c)
Set 'dest' the normal vector of a triangle with vertices a, b and c.
Definition: math_util.c:115
s16 atan2s(f32 a, f32 b)
Compute the angle from (0, 0) to (x, y) as a s16.
Definition: math_util.c:672
void * vec3s_sub(Vec3s dest, Vec3s a)
Subtract vector a from 'dest'.
Definition: math_util.c:85
float f32
Definition: ultratypes.h:29
void mtxf_billboard(f32 mtx1[4][4], f32 mtx2[4][4], Vec3f c, s16 d)
void * vec3s_copy(Vec3s dest, Vec3s src)
Copy vector src to dest.
Definition: math_util.c:53
void mtxf_rotate_zxy_and_translate(f32 mtx[4][4], Vec3f b, Vec3s c)
void mtxf_translate(f32 a[4][4], Vec3f b)
void mtxf_mul(f32 dest[4][4], f32 a[4][4], f32 b[4][4])
at end of structure union member declaration In standard C each member declaration must be terminated by a
Definition: err.english.cc:690
void mtxf_align_terrain_normal(f32 mtx[4][4], Vec3f b, Vec3f c, s16 d)
void * vec3s_to_vec3f(Vec3f dest, Vec3s a)
Convert short vector a to float vector 'dest'.
Definition: math_util.c:93
void * vec3f_add(Vec3f dest, Vec3f a)
Add vector 'a' to 'dest'.
Definition: math_util.c:37
void spline_get_weights(Vec4f a, f32 b, UNUSED s32 c)
Set 'result' to a 4-vector with weights corresponding to interpolation value t in [0...
Definition: math_util.c:741
void * vec3s_sum(Vec3s dest, Vec3s a, Vec3s b)
Make 'dest' the sum of vectors a and b.
Definition: math_util.c:77
void mtxf_to_mtx(Mtx *a, f32 b[4][4])
void * vec3f_sum(Vec3f dest, Vec3f a, Vec3f b)
Make 'dest' the sum of vectors a and b.
Definition: math_util.c:45
void * vec3f_cross(Vec3f dest, Vec3f a, Vec3f b)
Make vector 'dest' the cross product of vectors a and b.
Definition: math_util.c:123
void mtxf_identity(f32 mtx[4][4])
f32 atan2f(f32 a, f32 b)
Compute the atan2 in radians by calling atan2s and converting the result.
Definition: math_util.c:708
void mtxf_rotate_xyz_and_translate(f32 mtx[4][4], Vec3f b, Vec3s c)
void * vec3s_set(Vec3s dest, s16 x, s16 y, s16 z)
Set vector 'dest' to (x, y, z)
Definition: math_util.c:61
#define UNUSED
Definition: macros.h:13
void mtxf_mul_vec3s(f32 a[4][4], Vec3s b)
void * vec3f_to_vec3s(Vec3s dest, Vec3f a)
Convert float vector a to a short vector 'dest' by rounding the components to the nearest integer...
Definition: math_util.c:103
signed int s32
Definition: ultratypes.h:15
void mtxf_lookat(f32 mtx[4][4], Vec3f b, Vec3f c, s16 d)
s32 anim_spline_poll(Vec3f a)
Poll the next point from a spline animation.
Definition: math_util.c:799
void anim_spline_init(Vec4s *a)
Initialize a spline animation.
Definition: math_util.c:789
void * vec3f_copy(Vec3f dest, Vec3f src)
Copy vector 'src' to 'dest'.
Definition: math_util.c:21
1.8.13