Python 代码实现高性能异构虚拟现实（VR）和增强现实（AR）系统
输入模块
处理来自用户和传感器的输入。
import threading
import time
class InputModule:
def __init__(self):
self.inputs = {}
self.lock = threading.Lock()
def update_input(self, input_type, value):
with self.lock:
self.inputs[input_type] = value
def get_input(self, input_type):
with self.lock:
return self.inputs.get(input_type, None)
def input_listener(self):
# 模拟输入数据更新
while True:
self.update_input('head_position', (0, 0, 0))
self.update_input('controller_position', (1, 1, 1))
time.sleep(0.016) # 60Hz 更新率
input_module = InputModule()
input_thread = threading.Thread(target=input_module.input_listener)
input_thread.start()
图像处理模块
使用GPU进行图像渲染和处理。
import OpenGL.GL as gl
import glfw
import cv2
import numpy as np
class ImageProcessingModule:
def __init__(self):
if not glfw.init():
raise Exception("GLFW can't be initialized")
self.window = glfw.create_window(800, 600, "VR/AR", None, None)
if not self.window:
glfw.terminate()
raise Exception("GLFW window can't be created")
def render_frame(self):
glfw.make_context_current(self.window)
gl.glClear(gl.GL_COLOR_BUFFER_BIT | gl.GL_DEPTH_BUFFER_BIT)
# 模拟图像处理
img = np.zeros((800, 600, 3), dtype=np.uint8)
cv2.putText(img, 'VR/AR Frame', (100, 300), cv2.FONT_HERSHEY_SIMPLEX, 1, (255, 255, 255), 2)
img = cv2.flip(img, 0)
gl.glDrawPixels(800, 600, gl.GL_RGB, gl.GL_UNSIGNED_BYTE, img)
glfw.swap_buffers(self.window)
def start_rendering(self):
while not glfw.window_should_close(self.window):
self.render_frame()
glfw.poll_events()
image_processing_module = ImageProcessingModule()
render_thread = threading.Thread(target=image_processing_module.start_rendering)
render_thread.start()
物理引擎模块
模拟物理效果和交互。
import pybullet as p
import pybullet_data
class PhysicsEngineModule:
def __init__(self):
self.physics_client = p.connect(p.DIRECT)
p.setAdditionalSearchPath(pybullet_data.getDataPath())
p.setGravity(0, 0, -9.8)
def simulate_step(self):
p.stepSimulation()
def add_object(self, urdf_file, position):
p.loadURDF(urdf_file, position)
physics_engine_module = PhysicsEngineModule()
physics_engine_module.add_object("r2d2.urdf", [0, 0, 1])
网络通信模块
处理网络数据传输和同步。
import socket
class NetworkCommunicationModule:
def __init__(self, ip, port):
self.server_address = (ip, port)
self.sock = socket.socket(socket.AF_INET, socket.SOCK_DGRAM)
def send_data(self, data):
self.sock.sendto(data.encode(), self.server_address)
def receive_data(self):
data, _ = self.sock.recvfrom(4096)
return data.decode()
network_communication_module = NetworkCommunicationModule('127.0.0.1', 12345)
输出模块
将处理后的数据输出到VR/AR设备。
class OutputModule:
def __init__(self):
self.display_device = None # 模拟输出设备
def output_to_device(self, data):
# 模拟输出
print("Outputting to device:", data)
output_module = OutputModule()
综合主循环
将各个模块结合在一起，实现完整的系统。
def main_loop():
while True:
head_position = input_module.get_input('head_position')
controller_position = input_module.get_input('controller_position')
# 物理模拟
physics_engine_module.simulate_step()
# 渲染图像
image_processing_module.render_frame()
# 网络通信
network_communication_module.send_data(f"Head: {head_position}, Controller: {controller_position}")
received_data = network_communication_module.receive_data()
# 输出到设备
output_module.output_to_device(received_data)
time.sleep(0.016) # 60Hz 更新率
main_loop()
这个系统将输入、图像处理、物理引擎、网络通信和输出模块结合在一起，通过多线程实现异步处理，从而提高系统的性能和响应速度。
C++ 代码实现高性能异构虚拟现实（VR）和增强现实（AR）系统
输入模块
处理来自用户和传感器的输入。
#include <GLFW/glfw3.h>
#include <thread>
#include <mutex>
#include <unordered_map>
class InputModule {
public:
void updateInput(const std::string& inputType, const std::array<float, 3>& value) {
std::lock_guard<std::mutex> lock(inputMutex);
inputs[inputType] = value;
}
std::array<float, 3> getInput(const std::string& inputType) {
std::lock_guard<std::mutex> lock(inputMutex);
return inputs[inputType];
}
void inputListener() {
// 模拟输入数据更新
while (true) {
updateInput("head_position", {0.0f, 0.0f, 0.0f});
updateInput("controller_position", {1.0f, 1.0f, 1.0f});
std::this_thread::sleep_for(std::chrono::milliseconds(16)); // 60Hz 更新率
}
}
private:
std::unordered_map<std::string, std::array<float, 3>> inputs;
std::mutex inputMutex;
};
InputModule inputModule;
std::thread inputThread(&InputModule::inputListener, &inputModule);
图像处理模块
使用GPU进行图像渲染和处理。
#include <GL/glew.h>
#include <GLFW/glfw3.h>
#include <iostream>
class ImageProcessingModule {
public:
ImageProcessingModule() {
if (!glfwInit()) {
throw std::runtime_error("GLFW can't be initialized");
}
window = glfwCreateWindow(800, 600, "VR/AR", nullptr, nullptr);
if (!window) {
glfwTerminate();
throw std::runtime_error("GLFW window can't be created");
}
glfwMakeContextCurrent(window);
glewInit();
}
void renderFrame() {
glfwMakeContextCurrent(window);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
// 模拟图像处理
glBegin(GL_QUADS);
glColor3f(1.0f, 0.0f, 0.0f);
glVertex2f(-0.5f, -0.5f);
glVertex2f(0.5f, -0.5f);
glVertex2f(0.5f, 0.5f);
glVertex2f(-0.5f, 0.5f);
glEnd();
glfwSwapBuffers(window);
}
void startRendering() {
while (!glfwWindowShouldClose(window)) {
renderFrame();
glfwPollEvents();
}
}
private:
GLFWwindow* window;
};
ImageProcessingModule imageProcessingModule;
std::thread renderThread(&ImageProcessingModule::startRendering, &imageProcessingModule);
物理引擎模块
模拟物理效果和交互。
#include <btBulletDynamicsCommon.h>
class PhysicsEngineModule {
public:
PhysicsEngineModule() {
collisionConfiguration = new btDefaultCollisionConfiguration();
dispatcher = new btCollisionDispatcher(collisionConfiguration);
overlappingPairCache = new btDbvtBroadphase();
solver = new btSequentialImpulseConstraintSolver;
dynamicsWorld = new btDiscreteDynamicsWorld(dispatcher, overlappingPairCache, solver, collisionConfiguration);
dynamicsWorld->setGravity(btVector3(0, 0, -9.8));
}
~PhysicsEngineModule() {
delete dynamicsWorld;
delete solver;
delete overlappingPairCache;
delete dispatcher;
delete collisionConfiguration;
}
void simulateStep() {
dynamicsWorld->stepSimulation(1.0f / 60.0f, 10);
}
void addObject(const std::string& urdfFile, const btVector3& position) {
// Simplified example without actual URDF loading
btCollisionShape* groundShape = new btStaticPlaneShape(btVector3(0, 1, 0), 1);
btDefaultMotionState* groundMotionState = new btDefaultMotionState(btTransform(btQuaternion(0, 0, 0, 1), position));
btRigidBody::btRigidBodyConstructionInfo groundRigidBodyCI(0, groundMotionState, groundShape, btVector3(0, 0, 0));
btRigidBody* groundRigidBody = new btRigidBody(groundRigidBodyCI);
dynamicsWorld->addRigidBody(groundRigidBody);
}
private:
btDiscreteDynamicsWorld* dynamicsWorld;
btSequentialImpulseConstraintSolver* solver;
btBroadphaseInterface* overlappingPairCache;
btCollisionDispatcher* dispatcher;
btDefaultCollisionConfiguration* collisionConfiguration;
};
PhysicsEngineModule physicsEngineModule;
physicsEngineModule.addObject("r2d2.urdf", btVector3(0, 0, 1));
网络通信模块
处理网络数据传输和同步。
#include <boost/asio.hpp>
#include <iostream>
class NetworkCommunicationModule {
public:
NetworkCommunicationModule(const std::string& ip, unsigned short port)
: endpoint(boost::asio::ip::address::from_string(ip), port), socket(io_service) {
socket.open(boost::asio::ip::udp::v4());
}
void sendData(const std::string& data) {
socket.send_to(boost::asio::buffer(data), endpoint);
}
std::string receiveData() {
char buf[1024];
boost::asio::ip::udp::endpoint sender_endpoint;
size_t len = socket.receive_from(boost::asio::buffer(buf), sender_endpoint);
return std::string(buf, len);
}
private:
boost::asio::io_service io_service;
boost::asio::ip::udp::endpoint endpoint;
boost::asio::ip::udp::socket socket;
};
NetworkCommunicationModule networkCommunicationModule("127.0.0.1", 12345);
输出模块
将处理后的数据输出到VR/AR设备。
class OutputModule {
public:
void outputToDevice(const std::string& data) {
// 模拟输出
std::cout << "Outputting to device: " << data << std::endl;
}
};
OutputModule outputModule;
综合主循环
将各个模块结合在一起，实现完整的系统。
int main() {
std::thread inputThread(&InputModule::inputListener, &inputModule);
std::thread renderThread(&ImageProcessingModule::startRendering, &imageProcessingModule);
while (true) {
auto headPosition = inputModule.getInput("head_position");
auto controllerPosition = inputModule.getInput("controller_position");
// 物理模拟
physicsEngineModule.simulateStep();
// 渲染图像
imageProcessingModule.renderFrame();
// 网络通信
std::string dataToSend = "Head: " + std::to_string(headPosition[0]) + ", " + std::to_string(headPosition[1]) + ", " + std::to_string(headPosition[2]) +
" Controller: " + std::to_string(controllerPosition[0]) + ", " + std::to_string(controllerPosition[1]) + ", " + std::to_string(controllerPosition[2]);
networkCommunicationModule.sendData(dataToSend);
std::string receivedData = networkCommunicationModule.receiveData();
// 输出到设备
outputModule.outputToDevice(receivedData);
std::this_thread::sleep_for(std::chrono::milliseconds(16)); // 60Hz 更新率
}
inputThread.join();
renderThread.join();
return 0;
}
这个C++代码示例展示了一个基本的高性能异构VR/AR系统实现，包括输入处理、图像渲染、物理引擎、网络通信和输出模块。实际应用中，可以根据具体需求对各模块进行扩展和优化。
