#include <iostream.h> #include <rtl/rtl.h> void main() { rtl_initialize(); rtl_world scene; jImage bfr(200,200); rtl_material redm(jColour::red); rtl_sphere sphere; scene.translate(0,0,-5); scene.material(&redm); scene.add(&sphere); cerr.setf(ios::fixed); cerr.precision(3); scene.raytrace(bfr); jImage::writePPM(cout,bfr); rtl_terminate(); }