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Added camera abstraction.

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This commit is contained in:
Miguel Angel Astor Romero
2017-01-12 17:23:11 -04:00
parent 991d339b65
commit 724a98f8a0
12 changed files with 215 additions and 93 deletions
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15
tracer.hpp
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@@ -20,29 +20,18 @@ extern const vec3 BCKG_COLOR;
class Tracer {
public:
int m_h;
int m_w;
float m_fov;
float m_a_ratio;
unsigned int m_max_depth;
Tracer(): m_h(480), m_w(640), m_fov(90.0f), m_a_ratio(640.0f / 480.0f), m_max_depth(5) { }
Tracer(): m_max_depth(5) { }
Tracer(int h, int w, float fov, unsigned int max_depth): m_h(h), m_w(w), m_fov(fov), m_max_depth(max_depth) {
m_a_ratio = static_cast<float>(w) / static_cast<float>(h);
};
Tracer(unsigned int max_depth): m_max_depth(max_depth) { }
virtual ~Tracer() { }
vec2 sample_pixel(int i, int j) const;
virtual vec3 trace_ray(Ray & r, vector<Figure *> & v_figures, vector<Light *> & v_lights, unsigned int rec_level) const = 0;
protected:
float random01() const;
float fresnel(const vec3 & i, const vec3 & n, const float ir1, const float ir2) const;
void create_coords_system(const vec3 &n, vec3 &nt, vec3 &nb) const;
vec3 sample_hemisphere(const float r1, const float r2) const;
void rotate_sample(vec3 & sample, const vec3 & n) const;
};
#endif