realtime_dragon demo: now fullsize model + octree
realtime_bunny demo: bigger resolution
Box, Sphere: implemented AABB intersection
new stop condition for octree building (when number of shapes in children >= 6x shapes in parent node)
fixes for octree traversal
#ifndef IMAGE_H#define IMAGE_H#define IMG_GRAYSCALE 1#define IMG_RGB 3/* raw image */struct image { int pixel_size; /* should be 1 for grayscale and 3 for RGB*/ int width; int height; char *data;};int new_image(struct image **img, int width, int height, int pixelsize);int destroy_image(struct image **img);int save_png(const char *fname, struct image *img);#endif