1 files changed, 0 insertions, 65 deletions
diff --git a/modules/ray/ray_object_sphere.h b/modules/ray/ray_object_sphere.h
deleted file mode 100644
index 85b3d93..0000000
--- a/modules/ray/ray_object_sphere.h
+++ /dev/null
@@ -1,65 +0,0 @@
-#ifndef _RAY_OBJECT_SPHERE_H
-#define _RAY_OBJECT_SPHERE_H
-
-#include <math.h>
-#include <stdio.h>
-
-#include "ray_3f.h"
-#include "ray_color.h"
-#include "ray_object_type.h"
-#include "ray_ray.h"
-#include "ray_surface.h"
-
-
-typedef struct ray_object_sphere_t {
-	ray_object_type_t	type;
-	ray_surface_t		surface;
-	ray_3f_t		center;
-	float			radius;
-} ray_object_sphere_t;
-
-
-static inline int ray_object_sphere_intersects_ray(ray_object_sphere_t *sphere, ray_ray_t *ray, float *res_distance)
-{
-	ray_3f_t	v = ray_3f_sub(&ray->origin, &sphere->center);
-	float		b = ray_3f_dot(&v, &ray->direction);
-	float		disc = (sphere->radius * sphere->radius) - ray_3f_dot(&v, &v) + (b * b);
-
-	if (disc > 0) {
-		float	i1, i2;
-
-		disc = sqrtf(disc);
-
-		i1 = b - disc;
-		i2 = b + disc;
-
-		if (i2 > 0 && i1 > 0) {
-			*res_distance = i1;
-			return 1;
-		}
-	}
-
-	return 0;
-}
-
-
-/* return the normal of the surface at the specified point */
-static inline ray_3f_t ray_object_sphere_normal(ray_object_sphere_t *sphere, ray_3f_t *point)
-{
-	ray_3f_t	normal;
-	
-	normal = ray_3f_sub(point, &sphere->center);
-	normal = ray_3f_div_scalar(&normal, sphere->radius);	/* normalize without the sqrt() */
-
-	return normal;
-}
-
-
-/* return the surface of the sphere @ point */
-static inline ray_surface_t ray_object_sphere_surface(ray_object_sphere_t *sphere, ray_3f_t *point)
-{
-	/* uniform solids for now... */
-	return sphere->surface;
-}
-
-#endif