WallyHackenslacker/PhotonMF
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Added mirror reflections.

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Wally Hackenslacker
2016-12-27 19:22:34 -04:00
parent 1b8b382b0e
commit 414e907ee8
6 changed files with 3710 additions and 3568 deletions
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12
tracer.cpp
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@@ -9,6 +9,8 @@
#define PI 3.14159265358979f
#define SHININESS 89.0f
#define MAX_RECURSION 9
#define BIAS 0.000001f
using namespace std;
@@ -54,7 +56,7 @@ vec3 Tracer::trace_ray(Ray & r, vector<Figure *> & vf, vector<Light *> & vl, uns
float t, _t, n_dot_l;
Figure * _f;
vec3 n, color, i_pos, ref;
Ray sr;
Ray sr, rr;
bool vis;
t = numeric_limits<float>::max();
@@ -72,6 +74,12 @@ vec3 Tracer::trace_ray(Ray & r, vector<Figure *> & vf, vector<Light *> & vl, uns
i_pos = r.m_origin + (t * r.m_direction);
n = _f->normal_at_int(r, t);
if (vis && _f->rho > 0.0f && rec_level < MAX_RECURSION) {
rr = Ray(reflect(r.m_direction, n), i_pos + n * BIAS);
color = _f->rho * trace_ray(rr, vf, vl, rec_level + 1);
} else if (rec_level >= MAX_RECURSION)
return vec3(BCKG_COLOR);
for (size_t l = 0; l < vl.size(); l++) {
vis = true;
sr = Ray(vl[l]->m_position, i_pos);
@@ -83,6 +91,8 @@ vec3 Tracer::trace_ray(Ray & r, vector<Figure *> & vf, vector<Light *> & vl, uns
}
}
color += 0.08f * BCKG_COLOR;
n_dot_l = max(dot(n, vl[l]->m_position), 0.0);
color += (vis ? 1.0f : 0.0f) * (_f->color / PI) * vl[l]->m_diffuse * n_dot_l;