WallyHackenslacker/PhotonMF
1
0
Fork 0
Code Issues Pull Requests Projects Releases Wiki Activity

More photons.

Browse Source
This commit is contained in:
Wally Hackenslacker
2017-03-16 17:05:28 -04:00
parent 811e0a0602
commit ab9a160cf4
2 changed files with 21 additions and 9 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
kd_tree.hpp
View File

@@ -22,6 +22,10 @@ struct Vec3
Vec3(const Vec3 & other) = default; Vec3(const Vec3 & other) = default;
glm::vec3 toVec3() {
return glm::vec3(x, y, z);
}
inline bool equalFloat(const float x, const float y) inline bool equalFloat(const float x, const float y)
{ {
return (x - std::numeric_limits<float>::epsilon() <= y) && (x + std::numeric_limits<float>::epsilon() >= y); return (x - std::numeric_limits<float>::epsilon() <= y) && (x + std::numeric_limits<float>::epsilon() >= y);

24
photon_tracer.cpp
View File

@@ -32,7 +32,7 @@ using namespace glm;
PhotonTracer::~PhotonTracer() { } PhotonTracer::~PhotonTracer() { }
vec3 PhotonTracer::trace_ray(Ray & r, Scene * s, unsigned int rec_level) const { vec3 PhotonTracer::trace_ray(Ray & r, Scene * s, unsigned int rec_level) const {
float t, _t, radius, red, green, blue, kr; float t, _t, radius, red, green, blue, kr, w;
Figure * _f; Figure * _f;
vec3 n, color, i_pos, ref, dir_diff_color, dir_spec_color, p_contrib; vec3 n, color, i_pos, ref, dir_diff_color, dir_spec_color, p_contrib;
Ray mv_r, sr, rr; Ray mv_r, sr, rr;
@@ -122,19 +122,27 @@ vec3 PhotonTracer::trace_ray(Ray & r, Scene * s, unsigned int rec_level) const {
// } // }
m_photon_map.find_by_distance(photons, i_pos, n, m_h_radius, 1000); m_photon_map.find_by_distance(photons, i_pos, n, m_h_radius, 1000);
m_caustics_map.find_by_distance(caustics, i_pos, n, m_h_radius, 1000); m_caustics_map.find_by_distance(caustics, i_pos, n, m_h_radius, 1000);
photons.insert(photons.end(), caustics.begin(), caustics.end());
for (Photon p : photons) { for (Photon p : photons) {
w = max(0.0f, -dot(n, -p.direction.toVec3()));
w *= (1.0f - m_h_radius) / 25.0f;
p.getColor(red, green, blue); p.getColor(red, green, blue);
p_contrib += vec3(red, green, blue); p_contrib += vec3(red, green, blue) * w;
} }
for (Photon p : caustics) {
p.getColor(red, green, blue); // for (Photon p : photons) {
p_contrib += vec3(red, green, blue); // p.getColor(red, green, blue);
} // p_contrib += vec3(red, green, blue);
p_contrib *= (1.0f / pi<float>()) / (m_h_radius * m_h_radius); // }
// for (Photon p : caustics) {
// p.getColor(red, green, blue);
// p_contrib += vec3(red, green, blue);
// }
// p_contrib *= (1.0f / pi<float>()) / (m_h_radius * m_h_radius);
// color += (1.0f - _f->m_mat->m_rho) * (((dir_diff_color + p_contrib) * (_f->m_mat->m_diffuse / pi<float>())) + // color += (1.0f - _f->m_mat->m_rho) * (((dir_diff_color + p_contrib) * (_f->m_mat->m_diffuse / pi<float>())) +
// (_f->m_mat->m_specular * dir_spec_color)); // (_f->m_mat->m_specular * dir_spec_color));
color += p_contrib; color += (1.0f - _f->m_mat->m_rho) * p_contrib;
// Determine the specular reflection color. // Determine the specular reflection color.
if (_f->m_mat->m_rho > 0.0f && rec_level < m_max_depth) { if (_f->m_mat->m_rho > 0.0f && rec_level < m_max_depth) {