Image draw(float width, float height) {
IntersectRecord record;
vector<Shape*> shapes = makeScene();
vector<Lighting*> lights = makeLighting();
Image im(width, height);
Camera cam(Vector3(0, 0, 0), Vector3(0, 0, -1), Vector3(0, 1, 0), 0.0, -2.0, 2.0, -2.0, 2.0, 3, width, height);
//for each pixel
for (int i = 0; i < width; i++) {
for (int j = 0; j < height; j++) {
Ray r = cam.getRay(i, j, 0, 0);
Color radiance = traceRay(r, shapes, lights, 0.0001f, 100000.0f, 0, 5);
im.set(i, j, radiance);
}
}
return im;
}
void App::onInit() {
GApp::onInit();
createDeveloperHUD();
renderDevice->setSwapBuffersAutomatically(true);
window()->setCaption("Pixel Shader Demo");
ArticulatedModel::Specification spec;
spec.filename = System::findDataFile("teapot/teapot.obj");
spec.scale = 0.015f;
spec.stripMaterials = true;
spec.preprocess.append(ArticulatedModel::Instruction(Any::parse("setCFrame(root(), Point3(0, -0.5, 0));")));
model = ArticulatedModel::create(spec);
makeLighting();
makeColorList();
makeGui();
// Color 1 is red
lambertianColorIndex = 1;
// The last color is white
glossyColorIndex = colorList.size() - 1;
m_debugCamera->setPosition(Vector3(1.0f, 1.0f, 2.5f));
m_debugCamera->setFieldOfView(45 * units::degrees(), FOVDirection::VERTICAL);
m_debugCamera->lookAt(Point3::zero());
// Add axes for dragging and turning the model
manipulator = ThirdPersonManipulator::create();
addWidget(manipulator);
// Turn off the default first-person camera controller and developer UI
m_debugController->setEnabled(false);
developerWindow->setVisible(false);
developerWindow->cameraControlWindow->setVisible(false);
showRenderingStats = false;
}
