#pragma once
#include "Sphere
.h"
class Background : public Sphere // 改为继承 Sphere
{
public:
Background();
void initData(DataParam* param = nullptr) override;
void render(glm::mat4& view, glm::mat4& projection) override; // 现在可以 override
void update(float dt) override;
};
#pragma once
#include <glm/glm
.hpp>
class Camera
{
public:
glm::vec3 Position;
glm::vec3 Front = glm::vec3(0
.0f, 0
.0f, -1
.0f);
glm::vec3 Up = glm::vec3(0
.0f, 1
.0f, 0
.0f);
glm::vec3 Right;
glm::vec3 WorldUp = glm::vec3(0
.0f, 1
.0f, 0
.0f);
float Yaw = -90
.0f;
float Pitch = 0
.0f;
float MovementSpeed = 2
.5f;
float MouseSensitivity = 0
.1f;
Camera(glm::vec3 position = glm::vec3(0
.0f,
50
.0f, 100
.0f));
glm::mat4 GetViewMatrix();
void ProcessKeyboard(int direction, float dt);
void ProcessMouseMovement(float xoffset, float yoffset);
private:
void updateCameraVectors();
};
#pragma once
#include "Sphere
.h"
class Moon : public Sphere
{
public:
Moon();
void update(float dt, const glm::mat4& earthModel); // 特殊更新函数
private:
float orbitRadius = 1
5.0f;
float orbitAngle = 0
.0f;
float rotationAngle = 0
.0f;
float orbitSpeed = 0
.5f;
float rotationSpeed = 0
.1f;
};
#pragma once
#include <glm/glm
.hpp>
#include <glm/gtc/matrix_transform
.hpp>
#include <glm/gtc/type_ptr
.hpp>
#include <string>
#include "Shader
.h"
typedef struct
{
glm::vec3 coordinate;
glm::vec3 color;
glm::vec2 texture;
glm::vec3 normal;
} TextureColorVertex;
typedef struct
{
GLuint latSegments;
GLuint longSegments;
GLfloat radius;
GLfloat height;
} DataParam;
class Object
{
public:
Object(std::string vs, std::string fs, std::string texName = "");
virtual ~Object();
Shader* shader = nullptr;
glm::mat4 model;
void createShader(const char* vs, const char* fs);
void setTexture(std::string texName);
virtual void render(glm::mat4& view, glm::mat4& projection);
virtual void initData(DataParam* param = nullptr) = 0;
virtual void update(float dt) {}
virtual void renderObject() = 0;
virtual void updateDataBuffer();
protected:
TextureColorVertex* vertices = nullptr;
GLushort* indices = nullptr;
GLuint indexCount = 0;
GLint verticesSize = 0;
GLuint indexSize = 0;
GLuint texture = 0;
GLuint VBO = 0, VAO = 0, EBO = 0;
float rotationSpeed = 0
.0f;
float revolutionSpeed = 0
.0f;
float rotationAngle = 0
.0f;
float revolutionAngle = 0
.0f;
glm::vec3 translation = glm::vec3(0
.0f);
GLsizei stride = sizeof(TextureColorVertex);
void createBuffer(bool createEBO = true, GLenum usage = GL_STATIC_DRAW);
};
#pragma once
#include "Sphere
.h"
class Planet : public Sphere
{
public:
Planet(std::string texName, glm::vec3 orbitPos, float revSpeed, float rotSpeed);
void update(float dt) override; // 声明 override → 必须实现
};
#pragma once
#include <string>
#include <glad/glad
.h>
class Shader {
public:
unsigned int ID;
Shader(const char* vertexPath, const char* fragmentPath);
void use();
void setInt(const std::string& name, int value);
void setMat4(const std::string& name, const float* mat);
void setVec3(const std::string& name, float x, float y, float z);
private:
void checkCompileErrors(unsigned int shader, std::string type);
};
#pragma once
#include "Object
.h"
class Sphere : public Object
{
public:
Sphere(std::string vs, std::string fs, std::string texName = "");
~Sphere();
void initData(DataParam* param) override;
void renderObject() override;
void update(float dt) override;
};
#pragma once
#include "Sphere
.h"
class Sun : public Sphere
{
public:
Sun();
void renderObject() override;
void update(float dt) override;
};
#pragma once
#include <glad/glad
.h>
#include <GLFW/glfw3
.h>
#include <map>
#include <string>
using namespace std;
typedef map<string, GLuint> Textures;
class TexturePool
{
public:
virtual ~TexturePool();
private:
TexturePool();
Textures textures;
public:
void addTexture(string name, string path);
static TexturePool* getInstance();
GLuint getTexture(string name);
};
// Background
.cpp
#include "Background
.h"
#include <glm/gtx/transform
.hpp>
Background::Background() : Sphere("shaders/background
.vs", "shaders/background
.fs", "background")
{
// 构造器初始化着色器和纹理
}
void Background::initData(DataParam* param)
{
DataParam p = { 60, 60,
500
.0f, 0 };
Sphere::initData(&p); // 调用父类生成球面数据
}
void Background::render(glm::mat4& view, glm::mat4& projection)
{
// 移除摄像机位移，保持背景不动
glm::mat4 viewNoTrans = glm::mat4(glm::mat3(view));
Object::render(viewNoTrans, projection); // 调用 Object::render(this,
...)
}
void Background::update(float dt)
{
// 背景无需更新
}
#include "Camera
.h"
#include <glad/glad
.h> // 必须第一行
#include <GLFW/glfw3
.h> // 第二行
#include <glm/glm
.hpp>
#include <glm/gtc/matrix_transform
.hpp>
#include <glm/gtc/type_ptr
.hpp>
#define GLM_ENABLE_EXPERIMENTAL
#include <glm/glm
.hpp>
#include <glm/gtc/matrix_transform
.hpp> // 这个提供 glm::lookAt
#include <glm/gtc/type_ptr
.hpp>
Camera::Camera(glm::vec3 position) : Position(position)
{
updateCameraVectors();
}
glm::mat4 Camera::GetViewMatrix()
{
return glm::lookAt(Position, Position + Front, Up);
}
void Camera::ProcessKeyboard(int direction, float dt)
{
float velocity = MovementSpeed * dt;
if (direction == 'W') Position += Front * velocity;
if (direction == 'S') Position -= Front * velocity;
if (direction == 'A') Position -= Right * velocity;
if (direction == 'D') Position += Right * velocity;
}
void Camera::ProcessMouseMovement(float xoffset, float yoffset)
{
xoffset *= MouseSensitivity;
yoffset *= MouseSensitivity;
Yaw += xoffset;
Pitch += yoffset;
if (Pitch > 89
.0f) Pitch = 89
.0f;
if (Pitch < -89
.0f) Pitch = -89
.0f;
updateCameraVectors();
}
void Camera::updateCameraVectors()
{
glm::vec3 front;
front
.x = cos(glm::radians(Pitch)) * cos(glm::radians(Yaw));
front
.y = sin(glm::radians(Pitch));
front
.z = cos(glm::radians(Pitch)) * sin(glm::radians(Yaw));
Front = glm::normalize(front);
Right = glm::normalize(glm::cross(Front, WorldUp));
Up = glm::normalize(glm::cross(Right, Front));
}
#include <glad/glad
.h>
#include <GLFW/glfw3
.h>
#include <iostream>
// ✅ 新增：标准库支持
#include <vector>
#include <memory> // 用于 unique_ptr
#include "TexturePool
.h" // 必须放在 glfw/glad 之后！
#include "Object
.h"
#include "Sphere
.h"
#include "Planet
.h"
#include "Sun
.h"
#include "Background
.h"
#include "Camera
.h"
#include "moon
.h"
#define DEBUG_SUN_POS
using namespace std;
const unsigned int SCR_WIDTH = 1200;
const unsigned int SCR_HEIGHT = 800;
Camera camera(glm::vec3(0,
50, 120)); // 从上方偏远处观察太阳系
float lastX = SCR_WIDTH / 2
.0f;
float lastY = SCR_HEIGHT / 2
.0f;
bool firstMouse = true;
float deltaTime = 0
.1f;
float lastFrame = 0
.0f;
void framebuffer_size_callback(GLFWwindow* window, int width, int height)
{
glViewport(0, 0, width, height);
}
void mouse_callback(GLFWwindow* window, double xpos, double ypos)
{
if (firstMouse) {
lastX = xpos;
lastY = ypos;
firstMouse = false;
return;
}
float xoffset = xpos - lastX;
float yoffset = lastY - ypos;
lastX = xpos;
lastY = ypos;
camera
.ProcessMouseMovement(xoffset, yoffset);
}
void processInput(GLFWwindow* window)
{
float currentFrame = glfwGetTime();
deltaTime = currentFrame - lastFrame;
lastFrame = currentFrame;
if (glfwGetKey(window, GLFW_KEY_W) == GLFW_PRESS)
camera
.ProcessKeyboard('W', deltaTime);
if (glfwGetKey(window, GLFW_KEY_S) == GLFW_PRESS)
camera
.ProcessKeyboard('S', deltaTime);
if (glfwGetKey(window, GLFW_KEY_A) == GLFW_PRESS)
camera
.ProcessKeyboard('A', deltaTime);
if (glfwGetKey(window, GLFW_KEY_D) == GLFW_PRESS)
camera
.ProcessKeyboard('D', deltaTime);
}
int main()
{
glfwInit();
glfwWindowHint(GLFW_CONTEXT_VERSION_MAJOR, 4);
glfwWindowHint(GLFW_CONTEXT_VERSION_MINOR, 6);
glfwWindowHint(GLFW_OPENGL_PROFILE, GLFW_OPENGL_CORE_PROFILE);
GLFWwindow* window = glfwCreateWindow(SCR_WIDTH, SCR_HEIGHT, "Solar System", NULL, NULL);
if (!window) {
std::cout << "Failed to create GLFW window" << std::endl;
glfwTerminate();
return -1;
}
glfwMakeContextCurrent(window);
gladLoadGLLoader((GLADloadproc)glfwGetProcAddress);
glEnable(GL_DEPTH_TEST);
Moon moon;
Planet* earth = nullptr;
// 初始化纹理池
TexturePool* tp = TexturePool::getInstance();
tp->addTexture("sun", "textures/sun
.jpg");
tp->addTexture("earth", "textures/earth
.jpg");
tp->addTexture("mars", "textures/mars
.jpg");
tp->addTexture("jupiter", "textures/jupiter
.jpg");
tp->addTexture("mercury", "textures/mercury
.jpg");
tp->addTexture("moon", "textures/moon
.jpg");
tp->addTexture("neptune", "textures/neptune
.jpg");
tp->addTexture("saturn", "textures/saturn
.jpg");
tp->addTexture("uranus", "textures/uranus
.jpg");
tp->addTexture("venus", "textures/venus
.jpg");
tp->addTexture("background", "textures/background
.jpg");
// 初始化对象
Sun sun;
DataParam param{ 60, 60, 10
.0f, 0 };
sun
.initData(¶m);
Background bg;
bg
.initData();
std::vector<std::unique_ptr<Planet>> planets;
planets
.push_back(std::make_unique<Planet>("mercury", glm::vec3(0, 0, 60), 0
.08f, 1
.0f));
planets
.push_back(std::make_unique<Planet>("venus", glm::vec3(0, 0, 70), 0
.06f, 0
.8f));
planets
.push_back(std::make_unique<Planet>("earth", glm::vec3(0, 0, 80), 0
.04f, 1
.2f));
planets
.push_back(std::make_unique<Planet>("mars", glm::vec3(0, 0, 90), 0
.03f, 1
.0f));
planets
.push_back(std::make_unique<Planet>("jupiter", glm::vec3(0, 0, 100), 0
.02f, 0
.6f));
planets
.push_back(std::make_unique<Planet>("saturn", glm::vec3(0, 0, 120), 0
.01
5f, 0
.5f));
planets
.push_back(std::make_unique<Planet>("uranus", glm::vec3(0, 0, 140), 0
.01f, 0
.4f));
planets
.push_back(std::make_unique<Planet>("neptune", glm::vec3(0, 0, 160), 0
.008f, 0
.3f));
for (auto& p : planets) {
p->initData(¶m);
}
earth = planets[2]
.get();
glfwSetCursorPosCallback(window, mouse_callback);
glfwSetFramebufferSizeCallback(window, framebuffer_size_callback);
glfwSetInputMode(window, GLFW_CURSOR, GLFW_CURSOR_DISABLED);
while (!glfwWindowShouldClose(window))
{
processInput(window);
glClearColor(0
.0f, 0
.0f, 0
.0f, 1
.0f);
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glm::mat4 view = camera
.GetViewMatrix();
glm::mat4 proj = glm::perspective(glm::radians(4
5.0f), (float)SCR_WIDTH / SCR_HEIGHT, 0
.1f, 1000
.0f);
sun
.render(view, proj);
bg
.render(view, proj);
for (auto& p : planets) {
p->shader->use();
glm::vec3 sunPos(sun
.model[3][0], sun
.model[3][1], sun
.model[3][2]);
p->shader->setVec3("lightPos", sunPos
.x, sunPos
.y, sunPos
.z);
// 设置摄像机位置（用于高光）
p->shader->setVec3("viewPos", camera
.Position
.x, camera
.Position
.y, camera
.Position
.z);
p->render(view, proj);
}
sun
.update(deltaTime * 100);
bg
.update(deltaTime);
for (auto& p : planets) p->update(deltaTime * 100);
moon
.update(deltaTime * 100, earth->model);
moon
.render(view, proj);
#ifdef DEBUG_SUN_POS
std::cout << "Sun pos: ("
<< sun
.model[3][0] << ", "
<< sun
.model[3][1] << ", "
<< sun
.model[3][2] << ")\n";
#endif
glfwSwapBuffers(window);
glfwPollEvents();
}
glfwTerminate();
return 0;
}
#include "Moon
.h"
Moon::Moon() : Sphere("shaders/planet
.vs", "shaders/planet
.fs", "moon")
{
}
void Moon::update(float dt, const glm::mat4& earthModel)
{
orbitAngle += orbitSpeed * dt;
rotationAngle += rotationSpeed * dt;
model = glm::mat4(1
.0f);
// 获取地球的位置矩阵
model = earthModel;
// 绕地球公转（绕Y轴）
model = glm::rotate(model, glm::radians(orbitAngle), glm::vec3(0, 1, 0));
model = glm::translate(model, glm::vec3(0, 0, -orbitRadius)); // 向前飞一段
// 自转
model = glm::rotate(model, glm::radians(rotationAngle), glm::vec3(0, 1, 0));
// 缩小尺寸
model = glm::scale(model, glm::vec3(0
.5f));
}
#include "Object
.h"
#include <glad/glad
.h> // 必须第一行
#include <GLFW/glfw3
.h> // 第二行
#include <glm/glm
.hpp>
#include <glm/gtc/matrix_transform
.hpp>
#include <glm/gtc/type_ptr
.hpp>
#include "TexturePool
.h"
Object::Object(std::string vs, std::string fs, std::string texName)
{
createShader(vs
.c_str(), fs
.c_str());
if (!texName
.empty()) {
texture = TexturePool::getInstance()->getTexture(texName);
if (shader) {
shader->use();
shader->setInt("tex", 0);
}
}
}
Object::~Object()
{
glDeleteVertexArrays(1, &VAO);
glDeleteBuffers(1, &VBO);
glDeleteBuffers(1, &EBO);
delete shader;
}
void Object::createShader(const char* vs, const char* fs)
{
if (shader) delete shader;
shader = new Shader(vs, fs);
}
void Object::setTexture(std::string texName)
{
texture = TexturePool::getInstance()->getTexture(texName);
}
void Object::createBuffer(bool createEBO, GLenum usage)
{
glGenVertexArrays(1, &VAO);
glGenBuffers(1, &VBO);
if (createEBO) glGenBuffers(1, &EBO);
glBindVertexArray(VAO);
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferData(GL_ARRAY_BUFFER, verticesSize, vertices, usage);
if (createEBO && indices) {
glBindBuffer(GL_ELEMENT_ARRAY_BUFFER, EBO);
glBufferData(GL_ELEMENT_ARRAY_BUFFER, indexSize, indices, usage);
}
glVertexAttribPointer(0, 3, GL_FLOAT, GL_FALSE, stride, (void*)0);
glEnableVertexAttribArray(0);
glVertexAttribPointer(1, 3, GL_FLOAT, GL_FALSE, stride,
(void*)offsetof(TextureColorVertex, color));
glEnableVertexAttribArray(1);
glVertexAttribPointer(2, 2, GL_FLOAT, GL_FALSE, stride,
(void*)offsetof(TextureColorVertex, texture));
glEnableVertexAttribArray(2);
glVertexAttribPointer(3, 3, GL_FLOAT, GL_FALSE, stride,
(void*)offsetof(TextureColorVertex, normal));
glEnableVertexAttribArray(3);
glBindVertexArray(0);
}
void Object::render(glm::mat4& view, glm::mat4& projection)
{
if (!shader || !texture) return;
glActiveTexture(GL_TEXTURE0);
glBindTexture(GL_TEXTURE_2D, texture);
glBindVertexArray(VAO);
shader->use();
shader->setMat4("model", glm::value_ptr(model));
shader->setMat4("view", glm::value_ptr(view));
shader->setMat4("projection", glm::value_ptr(projection));
renderObject();
}
void Object::updateDataBuffer()
{
glBindBuffer(GL_ARRAY_BUFFER, VBO);
glBufferSubData(GL_ARRAY_BUFFER, 0, verticesSize, vertices);
glBindBuffer(GL_ARRAY_BUFFER, 0);
}
#include "Planet
.h"
// 构造函数保持不变
Planet::Planet(std::string texName, glm::vec3 orbitPos, float revSpeed, float rotSpeed)
: Sphere("shaders/planet
.vs", "shaders/planet
.fs", texName)
{
translation = orbitPos;
revolutionSpeed = revSpeed;
rotationSpeed = rotSpeed;
}
void Planet::update(float dt)
{
revolutionAngle += revolutionSpeed * dt;
rotationAngle += rotationSpeed * dt;
model = glm::mat4(1
.0f);
// Step 1: 绕 Y 轴旋转（实现“绕太阳公转”的角度变化）
model = glm::rotate(model, glm::radians(revolutionAngle), glm::vec3(0, 1, 0));
// Step 2: 向外平移（例如 z = -80），表示轨道半径
float orbitRadius = translation
.z; // 构造时传入的距离
model = glm::translate(model, glm::vec3(0, 0, -orbitRadius)); // 注意是负值！
// Step 3: 绕自身轴自转
model = glm::rotate(model, glm::radians(rotationAngle), glm::vec3(0, 1, 0));
// Step 4: 缩放
model = glm::scale(model, glm::vec3(1
.0f));
}
#include "Shader
.h"
#include <fstream>
#include <sstream>
#include <iostream>
Shader::Shader(const char* vertexPath, const char* fragmentPath)
{
std::string vCode, fCode;
std::ifstream vFile, fFile;
vFile
.exceptions(std::ifstream::failbit | std::ifstream::badbit);
fFile
.exceptions(std::ifstream::failbit | std::ifstream::badbit);
try {
vFile
.open(vertexPath);
fFile
.open(fragmentPath);
std::stringstream vStream, fStream;
vStream << vFile
.rdbuf();
fStream << fFile
.rdbuf();
vFile
.close(); fFile
.close();
vCode = vStream
.str();
fCode = fStream
.str();
}
catch (
...) {
std::cout << "ERROR::SHADER::FILE_NOT_SUCCESSFULLY_READ" << std::endl;
}
const char* vShaderCode = vCode
.c_str();
const char* fShaderCode = fCode
.c_str();
unsigned int vShader = glCreateShader(GL_VERTEX_SHADER);
glShaderSource(vShader, 1, &vShaderCode, NULL);
glCompileShader(vShader);
checkCompileErrors(vShader, "VERTEX");
unsigned int fShader = glCreateShader(GL_FRAGMENT_SHADER);
glShaderSource(fShader, 1, &fShaderCode, NULL);
glCompileShader(fShader);
checkCompileErrors(fShader, "FRAGMENT");
ID = glCreateProgram();
glAttachShader(ID, vShader);
glAttachShader(ID, fShader);
glLinkProgram(ID);
checkCompileErrors(ID, "PROGRAM");
glDeleteShader(vShader);
glDeleteShader(fShader);
}
void Shader::use()
{
glUseProgram(ID);
}
void Shader::setInt(const std::string& name, int value)
{
glUniform1i(glGetUniformLocation(ID, name
.c_str()), value);
}
void Shader::setMat4(const std::string& name, const float* mat)
{
glUniformMatrix4fv(glGetUniformLocation(ID, name
.c_str()), 1, GL_FALSE, mat);
}
void Shader::setVec3(const std::string& name, float x, float y, float z)
{
glUniform3f(glGetUniformLocation(ID, name
.c_str()), x, y, z);
}
void Shader::checkCompileErrors(unsigned int shader, std::string type)
{
int success;
char infoLog[1024];
if (type != "PROGRAM") {
glGetShaderiv(shader, GL_COMPILE_STATUS, &success);
if (!success) {
glGetShaderInfoLog(shader, 1024, NULL, infoLog);
std::cout << "ERROR::SHADER_COMPILATION_ERROR of type: " << type << "\n" << infoLog << std::endl;
}
}
else {
glGetProgramiv(shader, GL_LINK_STATUS, &success);
if (!success) {
glGetProgramInfoLog(shader, 1024, NULL, infoLog);
std::cout << "ERROR::PROGRAM_LINKING_ERROR\n" << infoLog << std::endl;
}
}
}
#include "Sphere
.h"
#include <cmath>
#include <glad/glad
.h> // 必须第一行
#include <GLFW/glfw3
.h> // 第二行
#include <glm/glm
.hpp>
#include <glm/gtc/matrix_transform
.hpp>
#include <glm/gtc/type_ptr
.hpp>
Sphere::Sphere(std::string vs, std::string fs, std::string texName)
: Object(vs, fs, texName)
{
}
Sphere::~Sphere() = default;
void Sphere::initData(DataParam* param)
{
GLuint longSeg = param->longSegments;
GLuint latSeg = param->latSegments;
GLfloat r = param->radius;
verticesSize = (longSeg + 1) * (latSeg + 1) * sizeof(TextureColorVertex);
vertices = new TextureColorVertex[(longSeg + 1) * (latSeg + 1)];
float dPhi = glm::pi<float>() / latSeg;
float dTheta = 2
.0f * glm::pi<float>() / longSeg;
TextureColorVertex* p = vertices;
for (GLuint i = 0; i <= latSeg; ++i) {
float phi = i * dPhi - glm::pi<float>() / 2
.0f;
for (GLuint j = 0; j <= longSeg; ++j) {
float theta = j * dTheta;
p->coordinate
.x = r * cosf(phi) * cosf(theta);
p->coordinate
.y = r * sinf(phi);
p->coordinate
.z = r * cosf(phi) * sinf(theta);
p->color = glm::vec3(1
.0f);
p->texture = glm::vec2((float)j / longSeg, (float)i / latSeg);
p->normal = glm::normalize(p->coordinate);
++p;
}
}
indexCount = (longSeg + 1) * 2 * (latSeg + 1);
indices = new GLushort[indexCount];
GLushort* idx = indices;
for (GLuint i = 0; i < latSeg; ++i) {
for (GLuint j = 0; j <= longSeg; ++j) {
idx[0] = i * (longSeg + 1) + j;
idx[1] = (i + 1) * (longSeg + 1) + j;
idx += 2;
}
}
indexSize = indexCount * sizeof(GLushort);
createBuffer(true, GL_STATIC_DRAW);
delete[] vertices; vertices = nullptr;
delete[] indices; indices = nullptr;
rotationSpeed = 0
.5f;
revolutionSpeed = 0
.01f;
}
void Sphere::renderObject()
{
glDrawElements(GL_TRIANGLE_STRIP, indexCount, GL_UNSIGNED_SHORT, 0);
}
void Sphere::update(float dt)
{
revolutionAngle += revolutionSpeed * dt;
rotationAngle += rotationSpeed * dt;
model = glm::mat4(1
.0f);
model = glm::translate(model, translation);
model = glm::rotate(model, glm::radians(revolutionAngle), glm::vec3(0, 1, 0));
model = glm::translate(model, glm::vec3(0, 0,
5));
model = glm::rotate(model, glm::radians(rotationAngle), glm::vec3(0, 1, 0));
model = glm::scale(model, glm::vec3(1
.0f));
}
#include "Sun
.h"
Sun::Sun() : Sphere("shaders/sun
.vs", "shaders/sun
.fs", "sun")
{
rotationSpeed = 0
.2f;
}
void Sun::update(float dt)
{
rotationAngle += rotationSpeed * dt;
model = glm::mat4(1
.0f); // 单位矩阵 到 原点
model = glm::rotate(model,
glm::radians(rotationAngle),
glm::vec3(0, 1, 0)); // 绕 Y 轴自转
model = glm::scale(model, glm::vec3(2
.0f)); // 可以稍大一点，比如 2倍
}
void Sun::renderObject()
{
glDepthMask(GL_FALSE); // 不写入深度缓冲，避免挡住后面行星
glDrawElements(GL_TRIANGLE_STRIP, indexCount, GL_UNSIGNED_SHORT, 0);
glDepthMask(GL_TRUE);
}
#include "TexturePool
.h"
#include <SOIL2/SOIL2
.h>
#include <iostream>
TexturePool::TexturePool() {}
TexturePool::~TexturePool()
{
for (auto it = textures
.begin(); it != textures
.end(); ++it)
glDeleteTextures(1, &it->second);
}
void TexturePool::addTexture(string name, string path)
{
GLuint texID = SOIL_load_OGL_texture(path
.c_str(), SOIL_LOAD_AUTO, SOIL_CREATE_NEW_ID, SOIL_FLAG_INVERT_Y);
if (texID == 0) {
cout << "Failed to load texture: " << path << endl;
return;
}
textures[name] = texID;
glBindTexture(GL_TEXTURE_2D, texID);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_REPEAT);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_LINEAR);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_LINEAR);
}
TexturePool* TexturePool::getInstance()
{
static TexturePool instance;
return &instance;
}
GLuint TexturePool::getTexture(string name)
{
auto it = textures
.find(name);
return it != textures
.end() ? it->second : 0;
}
这是所有代码，你看完我会发项目指导书的关键部分
本文介绍了解决在WebSphere环境下使用commons-logging时出现ClassCastException异常的方法。通过正确配置log4j.properties文件位置、放置log4j.jar包路径、设置系统属性以及重启服务器等步骤，可以有效避免日志工厂冲突导致的问题。
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