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authorVito Caputo <vcaputo@gnugeneration.com>2017-01-18 17:14:52 -0800
committerVito Caputo <vcaputo@gnugeneration.com>2017-01-18 17:31:44 -0800
commit524db0cf19648e3c7c78d3e73103b7a0bdcd6bfc (patch)
tree6fd682629904a210927797c92d956c208666b03a /modules/sparkler/v3f.h
parentee2073d4e411555aba878277131b56f7eb562c84 (diff)
*: move source into src/ subdir
Restoring some organizational sanity since adopting autotools.
Diffstat (limited to 'modules/sparkler/v3f.h')
-rw-r--r--modules/sparkler/v3f.h157
1 files changed, 0 insertions, 157 deletions
diff --git a/modules/sparkler/v3f.h b/modules/sparkler/v3f.h
deleted file mode 100644
index 8bf7e24..0000000
--- a/modules/sparkler/v3f.h
+++ /dev/null
@@ -1,157 +0,0 @@
-#ifndef _V3F_H
-#define _V3F_H
-
-#include <math.h>
-
-typedef struct v3f_t {
- float x, y, z;
-} v3f_t;
-
-#define v3f_set(_v3f, _x, _y, _z) \
- (_v3f)->x = _x; \
- (_v3f)->y = _y; \
- (_v3f)->z = _z;
-
-#define v3f_init(_x, _y, _z) \
- { \
- .x = _x, \
- .y = _y, \
- .z = _z, \
- }
-
-/* return if a and b are equal */
-static inline int v3f_equal(v3f_t *a, v3f_t *b)
-{
- return (a->x == b->x && a->y == b->y && a->z == b->z);
-}
-
-
-/* return the result of (a + b) */
-static inline v3f_t v3f_add(v3f_t *a, v3f_t *b)
-{
- v3f_t res = v3f_init(a->x + b->x, a->y + b->y, a->z + b->z);
-
- return res;
-}
-
-
-/* return the result of (a - b) */
-static inline v3f_t v3f_sub(v3f_t *a, v3f_t *b)
-{
- v3f_t res = v3f_init(a->x - b->x, a->y - b->y, a->z - b->z);
-
- return res;
-}
-
-
-/* return the result of (-v) */
-static inline v3f_t v3f_negate(v3f_t *v)
-{
- v3f_t res = v3f_init(-v->x, -v->y, -v->z);
-
- return res;
-}
-
-
-/* return the result of (a * b) */
-static inline v3f_t v3f_mult(v3f_t *a, v3f_t *b)
-{
- v3f_t res = v3f_init(a->x * b->x, a->y * b->y, a->z * b->z);
-
- return res;
-}
-
-
-/* return the result of (v * scalar) */
-static inline v3f_t v3f_mult_scalar(v3f_t *v, float scalar)
-{
- v3f_t res = v3f_init( v->x * scalar, v->y * scalar, v->z * scalar);
-
- return res;
-}
-
-
-/* return the result of (uv / scalar) */
-static inline v3f_t v3f_div_scalar(v3f_t *v, float scalar)
-{
- v3f_t res = v3f_init(v->x / scalar, v->y / scalar, v->z / scalar);
-
- return res;
-}
-
-
-/* return the result of (a . b) */
-static inline float v3f_dot(v3f_t *a, v3f_t *b)
-{
- return a->x * b->x + a->y * b->y + a->z * b->z;
-}
-
-
-/* return the length of the supplied vector */
-static inline float v3f_length(v3f_t *v)
-{
- return sqrtf(v3f_dot(v, v));
-}
-
-
-/* return the normalized form of the supplied vector */
-static inline v3f_t v3f_normalize(v3f_t *v)
-{
- v3f_t nv;
- float f;
-
- f = 1.0f / v3f_length(v);
-
- v3f_set(&nv, f * v->x, f * v->y, f * v->z);
-
- return nv;
-}
-
-
-/* return the distance squared between two arbitrary points */
-static inline float v3f_distance_sq(v3f_t *a, v3f_t *b)
-{
- return powf(a->x - b->x, 2) + powf(a->y - b->y, 2) + powf(a->z - b->z, 2);
-}
-
-
-/* return the distance between two arbitrary points */
-/* (consider using v3f_distance_sq() instead if possible, sqrtf() is slow) */
-static inline float v3f_distance(v3f_t *a, v3f_t *b)
-{
- return sqrtf(v3f_distance_sq(a, b));
-}
-
-
-/* return the cross product of two unit vectors */
-static inline v3f_t v3f_cross(v3f_t *a, v3f_t *b)
-{
- v3f_t product = v3f_init(a->y * b->z - a->z * b->y, a->z * b->x - a->x * b->z, a->x * b->y - a->y * b->x);
-
- return product;
-}
-
-
-/* return the linearly interpolated vector between the two vectors at point alpha (0-1.0) */
-static inline v3f_t v3f_lerp(v3f_t *a, v3f_t *b, float alpha)
-{
- v3f_t lerp_a, lerp_b;
-
- lerp_a = v3f_mult_scalar(a, 1.0f - alpha);
- lerp_b = v3f_mult_scalar(b, alpha);
-
- return v3f_add(&lerp_a, &lerp_b);
-}
-
-
-/* return the normalized linearly interpolated vector between the two vectors at point alpha (0-1.0) */
-static inline v3f_t v3f_nlerp(v3f_t *a, v3f_t *b, float alpha)
-{
- v3f_t lerp;
-
- lerp = v3f_lerp(a, b, alpha);
-
- return v3f_normalize(&lerp);
-}
-
-#endif
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