当前位置: 首页>>代码示例>>C++>>正文


C++ SimpleCamera::setOrientation方法代码示例

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;
}
开发者ID:fasterthanlime,项目名称:IntroGraphics-Ex2,代码行数:89,代码来源:SceneParser.cpp


注:本文中的SimpleCamera::setOrientation方法示例由纯净天空整理自Github/MSDocs等开源代码及文档管理平台,相关代码片段筛选自各路编程大神贡献的开源项目,源码版权归原作者所有,传播和使用请参考对应项目的License;未经允许,请勿转载。