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-rw-r--r--modules/ray/ray_euler.h45
1 files changed, 0 insertions, 45 deletions
diff --git a/modules/ray/ray_euler.h b/modules/ray/ray_euler.h
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index 86f5221..0000000
--- a/modules/ray/ray_euler.h
+++ /dev/null
@@ -1,45 +0,0 @@
-#ifndef _RAY_EULER_H
-#define _RAY_EULER_H
-
-#include <math.h>
-
-#include "ray_3f.h"
-
-
-/* euler angles are convenient for describing orientation */
-typedef struct ray_euler_t {
- float pitch; /* pitch in radiasn */
- float yaw; /* yaw in radians */
- float roll; /* roll in radians */
-} ray_euler_t;
-
-
-/* convenience macro for converting degrees to radians */
-#define RAY_EULER_DEGREES(_deg) \
- (_deg * (2 * M_PI / 360.0f))
-
-
-/* produce basis vectors from euler angles */
-static inline void ray_euler_basis(ray_euler_t *e, ray_3f_t *forward, ray_3f_t *up, ray_3f_t *left)
-{
- float cos_yaw = cosf(e->yaw);
- float sin_yaw = sinf(e->yaw);
- float cos_roll = cosf(e->roll);
- float sin_roll = sinf(e->roll);
- float cos_pitch = cosf(e->pitch);
- float sin_pitch = sinf(e->pitch);
-
- forward->x = sin_yaw;
- forward->y = -sin_pitch * cos_yaw;
- forward->z = cos_pitch * cos_yaw;
-
- up->x = -cos_yaw * sin_roll;
- up->y = -sin_pitch * sin_yaw * sin_roll + cos_pitch * cos_roll;
- up->z = cos_pitch * sin_yaw * sin_roll + sin_pitch * cos_roll;
-
- left->x = cos_yaw * cos_roll;
- left->y = sin_pitch * sin_yaw * cos_roll + cos_pitch * sin_roll;
- left->z = -cos_pitch * sin_yaw * cos_roll + sin_pitch * sin_roll;
-}
-
-#endif
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