InstanceObject* Picture::buildInstanceObject(char* fileName, BasicObject* obj)
{
InstanceObject* io = new InstanceObject(obj);
FileIO* inputFile = new FileIO(fileName, 1); //for reading
//scale transformation
string line = inputFile->readLine(); //skip this line
line = inputFile->readLine();
double sx = atof(line.c_str());
line = inputFile->readLine();
double sy = atof(line.c_str());
line = inputFile->readLine();
double sz = atof(line.c_str());
Matrix* scale = AffineTransforms::scale(sx, sy, sz);
//rotation transformations
line = inputFile->readLine(); //skip this line
line = inputFile->readLine();
double rx = atof(line.c_str());
Matrix* rotX = AffineTransforms::rotateX(rx);
line = inputFile->readLine();
double ry = atof(line.c_str());
Matrix* rotY = AffineTransforms::rotateY(ry);
line = inputFile->readLine();
double rz = atof(line.c_str());
Matrix* rotZ = AffineTransforms::rotateZ(rz);
//translation transformation
line = inputFile->readLine(); //skip this line
line = inputFile->readLine();
double tx = atof(line.c_str());
line = inputFile->readLine();
double ty = atof(line.c_str());
line = inputFile->readLine();
double tz = atof(line.c_str());
Matrix* translate = AffineTransforms::translate(tx, ty, tz);
//material
line = inputFile->readLine(); //skip this line
line = inputFile->readLine();
double mr = atof(line.c_str());
line = inputFile->readLine();
double mg = atof(line.c_str());
line = inputFile->readLine();
double mb = atof(line.c_str());
Color* mat = new Color(mr, mg, mb);
io->setDiffuseMaterial(mat);
//standard TRS form
io->buildTransform(scale); //deletes the matrix when done
io->buildTransform(rotX);
io->buildTransform(rotY);
io->buildTransform(rotZ);
io->buildTransform(translate);
//Get shininess
FileIO* shaderFile = new FileIO("shade.txt", 1);
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
line = shaderFile->readLine();
io->setShininess(atof(line.c_str()));
delete shaderFile;
delete inputFile;
return io;
}
void Picture::render(Pixel* px)
{
Color *ambient = new Color(1, 1, 1);
Vertex *eye = new Vertex(0,0,0);
Light *light = new Light();
double attenuation = 0;
//while(true)
//{
//char* fileName = "sphere.txt";
//BasicObject* sphere = readObject(fileName);
////delete[] fileName; //mingw appears to delete this automatically
//fileName = "trs.txt";
//InstanceObject* sphereInstance = buildInstanceObject(fileName, sphere);
////delete[] fileName;
//obtaining the window transform
int widthPixels = px->getWidth(); //the dimensions of the panel on which the drawing will occur
int heightPixels = px->getHeight();
getShaderInfo(eye, ambient, light, &attenuation);
Scene* scene = new Scene(light, ambient);
scene->buildTransform(getCameraTransform("camera.txt"));
scene->buildTransform(getPerspectiveTransform("fov.txt", widthPixels, heightPixels));
scene->buildTransform(AffineTransforms::window(widthPixels, heightPixels));
BasicObject* cube = readObject("cube.txt");
BasicObject* cylinder = readObject("cylinder.txt");
InstanceObject* upperArm = new InstanceObject(cube);
upperArm->setDiffuseMaterial(new Color(1,0,0));
upperArm->buildTransform(AffineTransforms::scale(.2, 1, .2));
InstanceObject* lowerArm = new InstanceObject(cube);
lowerArm->setDiffuseMaterial(new Color(0,1,0));
lowerArm->buildTransform(AffineTransforms::scale(.2, 2, .2));
InstanceObject* base = new InstanceObject(cylinder); //no instance transform
base->setDiffuseMaterial(new Color(0,0,1));
Matrix *temp;
TransformNode *upperArmTransform, *lowerArmTransform, *baseTransform, *robotArm1, *robotArm2;
//upper arm transform
temp = AffineTransforms::translate(0, 1, 0);
temp = AffineTransforms::rotateZ(90)->multiply(temp);
temp = AffineTransforms::translate(0, -1, 0)->multiply(temp);
temp = AffineTransforms::translate(0, 3, 0)->multiply(temp);
upperArmTransform = new TransformNode();
upperArmTransform->buildTransform(temp);
//lower arm transform
temp = AffineTransforms::translate(0, 2, 0);
temp = AffineTransforms::rotateZ(-20)->multiply(temp);
temp = AffineTransforms::translate(0, -2, 0)->multiply(temp);
temp = AffineTransforms::translate(0, 3, 0)->multiply(temp);
lowerArmTransform = new TransformNode();
lowerArmTransform->buildTransform(temp);
//base transform
temp = AffineTransforms::rotateY(30);
temp = AffineTransforms::translate(0, -2, 0)->multiply(temp);
baseTransform = new TransformNode();
baseTransform->buildTransform(temp);
//robot arm #1
temp = AffineTransforms::scale(.2, .2, .2);
temp = AffineTransforms::translate(0, 0, -3)->multiply(temp);
robotArm1 = new TransformNode();
robotArm1->buildTransform(temp);
//robot arm #2
temp = AffineTransforms::scale(.2, .2, .2);
temp = AffineTransforms::rotateX(45)->multiply(temp);
temp = AffineTransforms::translate(-3, .5, 0)->multiply(temp);
temp = AffineTransforms::scale(.2, .2, .2)->multiply(temp);
robotArm2 = new TransformNode();
robotArm2->buildTransform(temp);
//build scene
upperArmTransform->addChild(upperArm);
lowerArmTransform->addChild(upperArmTransform);
lowerArmTransform->addChild(lowerArm);
baseTransform->addChild(lowerArmTransform);
baseTransform->addChild(base);
robotArm1->addChild(baseTransform);
robotArm2->addChild(baseTransform);
scene->addTransformNode(robotArm1);
scene->addTransformNode(robotArm2);
scene->render(px, eye, attenuation);
delete scene;
/*TransformNode* tn = new TransformNode();
tn->addChild(sphereInstance);
scene->addTransformNode(tn);
scene->render(px, eye, attenuation);
delete scene;*/
//}
}