naive color driven sub-sampling
slightly optimized KdTree::nearest_intersection
fixed bug in Box::intersect
fixed stripes on spheres in spheres_ao.py (was caused by AO distance)
new KdTree property: max_depth
minor changes in realtime.py
/* * C++ RayTracer * file: raytracer.h * * Radek Brich, 2006 */#ifndef RAYTRACER_H#define RAYTRACER_H#include <vector>#include "common.h"#include "kdtree.h"#include "scene.h"using namespace std;class Raytracer;struct RenderrowData { Raytracer *rt; int w; Vector3 eye, dfix, dx, dy; float *iter;};class Raytracer{ Container *top; Camera *camera; vector<Light*> lights; Colour bg_colour; int ao_samples; float ao_distance, ao_angle; int num_threads; int subsample; int max_depth; Vector3 SphereDistribute(int i, int n, float extent, Vector3 &normal);public: Raytracer(): top(NULL), camera(NULL), lights(), bg_colour(0.0, 0.0, 0.0), ao_samples(0), num_threads(4), subsample(8), max_depth(4) {}; void render(int w, int h, float *buffer); Colour raytrace(Ray &ray, int depth, Shape *origin_shape); void addshape(Shape *shape) { top->addShape(shape); }; void addlight(Light *light); void setCamera(Camera *cam) { camera = cam; }; void setTop(Container *atop) { top = atop; }; Container *getTop() { return top; }; int getSubsample() { return subsample; }; void setMaxDepth(int newdepth) { max_depth = newdepth; }; void ambientocclusion(int samples, float distance, float angle); void setThreads(int num) { num_threads = num; };};#endif