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Fix object_sphere.cc

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This commit is contained in:
Eryn Wells 2013-09-10 16:27:39 -07:00
parent 6de49ae679
commit 1d238d6923
1 changed files with 11 additions and 6 deletions
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17
src/object_sphere.cc
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@ -5,10 +5,11 @@
* Eryn Wells <eryn@erynwells.me> * Eryn Wells <eryn@erynwells.me>
*/ */
#include <assert.h> #include <cassert>
#include <math.h> #include <cmath>
#include <stdlib.h> #include <cstdlib>
#include "basics.h"
#include "object.h" #include "object.h"
#include "object_sphere.h" #include "object_sphere.h"
@ -34,8 +35,8 @@ Sphere::Sphere(float r)
Sphere::Sphere(Vector3 o, float r) Sphere::Sphere(Vector3 o, float r)
: Object(o), : Shape(o),
float(r) radius(r)
{ } { }
@ -110,7 +111,7 @@ Sphere::does_intersect(const Ray &ray, float **t)
*/ */
int nints = (t0 != t1) ? 2 : 1; int nints = (t0 != t1) ? 2 : 1;
if (t != NULL) { if (t != NULL) {
*t = malloc(sizeof(float) * nints); *t = new float[nints];
if (*t == NULL) { if (*t == NULL) {
return 0; return 0;
} }
@ -129,6 +130,7 @@ Sphere::does_intersect(const Ray &ray, float **t)
* *
* Determine if a point lies on the given sphere. * Determine if a point lies on the given sphere.
*/ */
#if 0
int int
sphere_point_lies_on_surface(Object *obj, Vector3 p) sphere_point_lies_on_surface(Object *obj, Vector3 p)
{ {
@ -142,6 +144,7 @@ sphere_point_lies_on_surface(Object *obj, Vector3 p)
return (x * x) + (y * y) + (z * z) == (r * r); return (x * x) + (y * y) + (z * z) == (r * r);
} }
#endif
/* /*
@ -150,6 +153,7 @@ sphere_point_lies_on_surface(Object *obj, Vector3 p)
* Compute the normal for the given Object (which must be a Sphere) at the given point. This point must lie on the * Compute the normal for the given Object (which must be a Sphere) at the given point. This point must lie on the
* surface of the object. * surface of the object.
*/ */
#if 0
/* static */ Vector3 /* static */ Vector3
sphere_compute_normal(Object *obj, Vector3 p) sphere_compute_normal(Object *obj, Vector3 p)
{ {
@ -163,3 +167,4 @@ sphere_compute_normal(Object *obj, Vector3 p)
// The fun thing about sphere is the normal to any point on the sphere is the point itself. Woo! // The fun thing about sphere is the normal to any point on the sphere is the point itself. Woo!
return p; return p;
} }
#endif