本文整理汇总了C++中SimpleCamera::setOrientation方法的典型用法代码示例。如果您正苦于以下问题:C++ SimpleCamera::setOrientation方法的具体用法?C++ SimpleCamera::setOrientation怎么用?C++ SimpleCamera::setOrientation使用的例子?那么, 这里精选的方法代码示例或许可以为您提供帮助。您也可以进一步了解该方法所在类SimpleCamera
的用法示例。
在下文中一共展示了SimpleCamera::setOrientation方法的1个代码示例,这些例子默认根据受欢迎程度排序。您可以为喜欢或者感觉有用的代码点赞,您的评价将有助于系统推荐出更棒的C++代码示例。
示例1: addCamera
bool SceneParser::addCamera(struct basicxmlnode * cameraNode, Scene * scene){
if (!cameraNode) {
std::cout << "SceneParser::addCamera: empty camera node\n";
return false;
}
if (std::string(cameraNode->tag) != "Camera") {
return false;
}
// read resolution (mandatory attributes!)
int resolutionX;
int resolutionY;
char * attributeValue;
if (attributeValue = getattributevaluebyname(cameraNode, "resolutionX")) {
if (!stringToNumber<int>(resolutionX, attributeValue)) {
return false;
}
}
else {
std::cerr << "SceneParser::addCamera: no resolution provided!" << "\n";
return false;
}
if (attributeValue = getattributevaluebyname(cameraNode, "resolutionY")) {
if (!stringToNumber<int>(resolutionY, attributeValue)) {
return false;
}
}
else {
std::cerr << "SceneParser::addCamera: no resolution provided!" << "\n";
return false;
}
// instanciate camera
SimpleCamera* camera = new SimpleCamera(resolutionX, resolutionY);
Vector3 position;
Vector3 direction;
Vector3 up;
float angle = 70;
// read user specified values
if (attributeValue = getattributevaluebyname(cameraNode, "position")) {
if (!stringToVector3<double>(position, attributeValue)) {
delete(camera);
return false;
}
camera->setPosition(position);
}
if (attributeValue = getattributevaluebyname(cameraNode, "direction")) {
if (!stringToVector3<double>(direction, attributeValue)) {
delete(camera);
return false;
}
else if (attributeValue = getattributevaluebyname(cameraNode, "up")) {
if (!stringToVector3<double>(up, attributeValue)) {
delete(camera);
return false;
}
camera->setOrientation(direction, up);
}
else {
std::cout << "SceneParser::addCamera: direction specified without up\n";
delete(camera);
return false;
}
}
else if (attributeValue = getattributevaluebyname(cameraNode, "up")) {
std::cout << "SceneParser::addCamera: up specified without direction\n";
delete(camera);
return false;
}
if (attributeValue = getattributevaluebyname(cameraNode, "angle")) {
if (!stringToNumber<float>(angle, attributeValue)) {
delete(camera);
return false;
}
camera->setOpeningAngle(angle);
}
// add camera to scene
scene->setCamera(camera);
std::cout << "SceneParser::addCamera: added camera\n";
return true;
}