bool CRayTracer::loadSnowflake (const char *filename) {
FILE *f = fopen (filename, "r");
if (!f)
return false;
// Add the camera looking at the origin
camera.setView (VECTOR(2.1, 1.7, 1.3), VECTOR (0,0,0));
camera.setRenderParameters (1024,1024,45);
// Define background color
background_color = COLOR( 0.078, 0.361, 0.753 );
// Add a two material
materials["txt001"]=new CSolidMaterial (COLOR(0.8, 0.6, 0.264),1,0);
materials["txt002"]=new CSolidMaterial (COLOR (0.5, 0.45, 0.35), 0.5,0.5);
// // Add the ground
CPlane *plane = new CPlane (VECTOR(0,1,0), 0.0);
plane->setMaterial (materials["txt001"]);
//objects.push_back (plane);
// This is a very simply parser!!
while (!feof(f)) {
char buf[512];
fgets (buf, 511, f);
if (strncmp (buf, "sphere", 6) == 0) {
char material[64];
double x,y,z, rad;
sscanf (buf, "sphere %s %lf %lf %lf %lf\n", material, &rad, &x,&y,&z);
CSphere *sph = new CSphere(rad);
sph->setLocation (VECTOR(x,z,y));
sph->setMaterial (materials["txt002"]);
objects.push_back (sph);
}
}
// Add 3 white lights
// lights.push_back (new CLight(VECTOR ( 4, 2, 3), COLOR (1,1,1)));
lights.push_back (new CLight(VECTOR ( 1, 4,-4), COLOR (1,1,1)));
lights.push_back (new CLight(VECTOR (-3, 5, 1), COLOR (1,1,1)));
fclose (f);
return true;
}
/*-<==>-----------------------------------------------------------------
/ Defines the scene
/----------------------------------------------------------------------*/
void CRayTracer::load () {
// Add the camera looking at the origin
camera.setView (VECTOR(0, 50, 400), VECTOR (0,0,0));
camera.setRenderParameters (640,480,60);
// Define some materials
materials["orange"] = new CSolidMaterial (COLOR (1, 0.301, 0.074), 0.1);
materials["blue"] = new CSolidMaterial (COLOR (0.0, 0.2, 0.8), 0.0);
//
materials["red"] = new CSolidMaterial (COLOR (0.8, 0.2, 0.0), 0.5);
materials["green"] = new CSolidMaterial (COLOR (0.1, 0.8, 0.0), 0.7);
materials["grey"] = new CSolidMaterial (COLOR (0.5, 0.5, 0.5), 0.5);
materials["escacs"] = new CCheckerMaterial(materials["red"],
materials["green"],100);
materials["glass"] = new CTransparentMaterial(COLOR(0.1,0.1,0.2),1.0);
// Add a sphere
CSphere *sph = new CSphere(50);
sph->setLocation (VECTOR(0,-100,0));
sph->setMaterial (materials["grey"]);
objects.push_back (sph);
// Add a sphere
sph = new CSphere(50);
sph->setLocation (VECTOR(0,100,0));
sph->setMaterial (materials["blue"]);
objects.push_back (sph);
// Add a sphere
sph = new CSphere(50);
sph->setLocation (VECTOR(0,210,0));
sph->setMaterial (materials["red"]);
objects.push_back (sph);
// Add a sphere
sph = new CSphere(50);
sph->setLocation (VECTOR(200,50,100));
sph->setMaterial (materials["glass"]);
//sph->setMaterial (materials["green"]);
objects.push_back (sph);
// Add a sphere
sph = new CSphere(50);
sph->setLocation (VECTOR(200,50,0));
sph->setMaterial (materials["orange"]);
objects.push_back (sph);
// And now for something completely different
// CCylinder* cyl = new CCylinder(100,50);
// cyl->setLocation (VECTOR(85,0,120));
// cyl->setMaterial (materials["grey"]);
// objects.push_back(cyl);
/*CCylinder* cyl = new CCylinder(100,50);
cyl->setLocation (VECTOR(150,0,100));
cyl->setMaterial (materials["green"]);
objects.push_back(cyl);*/
// Add the ground
CPlane *plane = new CPlane (VECTOR(0,1,0), 0);
plane->setMaterial (materials["escacs"]);
objects.push_back (plane);
// Add a single white light
CLight *light = new CLight(VECTOR (400,200,50), COLOR (1,1,1));
lights.push_back (light);
}