yinhexi.zip_openGL 银_银河系

#define WIN32_LEAN_AND_MEAN //定制所用的函数库 #include <windows.h> //主要的Windows头文件 //装载OpenGL的lib库文件 #pragma comment(lib,"opengl32.lib") #pragma comment(lib,"glu32.lib") #pragma comment(lib,"glaux.lib") //装载OpenGL头文件 #include <gl/gl.h> //标准OpenGL头文件 #include <gl/glu.h> //OpenGL实用工具库 #include <gl/glaux.h> //OpenGL辅助函数库 //全局变量 float angle=0.0f; //当前视点角度 HDC g_HDC; //全局设备环境 bool fullScreen=false; //全屏变量 //机器人变量 float legAngle[2]={0.0f,0.0f}; //每条腿当前的角度 float armAngle[2]={0.0f,0.0f}; //每个手臂的当前角度 //此函数在指定点绘制一个立方体 void DrawCube(float xPos,float yPos,float zPos) { glPushMatrix(); //压栈 glTranslatef(xPos,yPos,zPos); //平移 glBegin(GL_POLYGON); //画多边形 glVertex3f(0.0f,0.0f,0.0f); //顶面 glVertex3f(0.0f,0.0f,-1.0f); glVertex3f(-1.0f,0.0f,-1.0f); glVertex3f(-1.0f,0.0f,0.0f); glVertex3f(0.0f,0.0f,0.0f); //正面 glVertex3f(-1.0f,0.0f,0.0f); glVertex3f(-1.0f,-1.0f,0.0f); glVertex3f(0.0f,-1.0f,0.0f); glVertex3f(0.0f,0.0f,0.0f); //右面 glVertex3f(0.0f,-1.0f,0.0f); glVertex3f(0.0f,-1.0f,-1.0f); glVertex3f(0.0f,0.0f,-1.0f); glVertex3f(-1.0f,0.0f,0.0f); //左面 glVertex3f(-1,0,-1); glVertex3f(-1,-1,-1); glVertex3f(-1,-1,0); glVertex3f(0,0,0); //底面 glVertex3f(0,-1,-1); glVertex3f(-1,-1,-1); glVertex3f(-1,-1,0); glVertex3f(0,0,0); //背面 glVertex3f(-1,0,-1); glVertex3f(-1,-1,-1); glVertex3f(0,-1,-1); glEnd(); glPopMatrix(); //出栈 } //绘制机器人的一条手臂 void DrawArm(float xPos,float yPos,float zPos) { glPushMatrix(); //压栈 glColor3f(1.0f,0.0f,0.0f); //红色 glTranslatef(xPos,yPos,zPos); glScalef(1.0f,4.0f,1.0f); //缩放，机器人手臂是一个1*4*1的立方体 DrawCube(0.0f,0.0f,0.0f); //绘制立方体 glPopMatrix(); //出栈 } //绘制机器人头部 void DrawHead(float xPos,float yPos,float zPos) { glPushMatrix(); glColor3f(1.0f,1.0f,1.0f); //白色 glTranslatef(xPos,yPos,zPos); glScalef(2.0f,2.0f,2.0f); //头部是一个2*2*2的立方体 DrawCube(0.0f,0.0f,0.0f); glPopMatrix(); } //绘制机器人的躯干 void DrawTorso(float xPos,float yPos,float zPos) { glPushMatrix(); glColor3f(0.0f,0.0f,1.0f); //蓝色 glTranslatef(xPos,yPos,zPos); glScalef(3.0f,5.0f,2.0f); //躯干是一个3*5*2的立方体 DrawCube(0.0f,0.0f,0.0f); glPopMatrix(); } //绘制机器人的一条腿 void DrawLeg(float xPos,float yPos,float zPos) { glPushMatrix(); glColor3f(1.0f,1.0f,0.0f); //黄色 glTranslatef(xPos,yPos,zPos); glScalef(1.0f,5.0f,1.0f); //腿是一个1*5*1的立方体 DrawCube(0.0f,0.0f,0.0f); glPopMatrix(); } //在xPos，yPos，zPos处绘制机器人 void DrawRobot(float xPos,float yPos,float zPos) { static bool leg1=true; //机器人腿的状态 static bool leg2=false; //true=前，false=后 static bool arm1=true; static bool arm2=false; glPushMatrix(); //当前矩阵压入堆栈 glTranslatef(xPos,yPos,zPos); //绘制部件 DrawHead(1.0f,2.0f,0.0f); DrawTorso(1.5f,0.0f,0.0f); glPushMatrix(); //当前矩阵压入堆栈 //如果手臂向前移动，则增大角度，否则减小角度 if(arm1==true) { armAngle[0] = armAngle[0] + 1.0f; } else { armAngle[0] = armAngle[0] - 1.0f; } //一旦手臂在一个方向上达到最大值，就将其反转 if(armAngle[0]>=15.0f) { arm1=false; } if(armAngle[0]<=-15.0f) { arm1=true; } //移动并旋转手臂，以产生行走的效果 glTranslatef(0.0f,-0.5f,0.0f); //移动 glRotatef(armAngle[0],1.0f,0.0f,0.0f); //旋转 DrawArm(2.5f,0.0f,-0.5f); //绘制手臂 glPopMatrix(); //出栈 glPushMatrix(); //压栈 //如果手臂向前移动，则增大角度，否则减小角度 if(arm2==true) { armAngle[1] = armAngle[1] + 1.0f; } else { armAngle[1] = armAngle[1] - 1.0f; } //一旦手臂在一个方向上达到最大值，就将其反转 if(armAngle[1]>=15.0f) { arm2=false; } if(armAngle[1]<=-15.0f) { arm2=true; } //移动并旋转手臂，以产生行走的效果 glTranslatef(0.0f,-0.5f,0.0f); //移动 glRotatef(armAngle[1],1.0f,0.0f,0.0f); //旋转 DrawArm(-1.5f,0.0f,-0.5f); //绘制手臂 glPopMatrix(); //出栈 //要在空间中相对于机器人的位置来旋转腿 //下面是对Leg1——右腿的操作 glPushMatrix(); //如果腿向前移动，则增大角度，否则减小角度 if(leg1==true) { legAngle[0] = legAngle[0] + 1.0f; } else { legAngle[0] = legAngle[0] - 1.0f; } //一旦手臂在一个方向上达到最大值，就将其反转 if(legAngle[0]>=15.0f) { leg1=false; } if(legAngle[0]<=-15.0f) { leg1=true; } //移动并旋转腿，以产生行走的效果 glTranslatef(0.0f,-0.5f,0.0f); //移动 glRotatef(legAngle[0],1.0f,0.0f,0.0f); //旋转 DrawLeg(-0.5f,-5.0f,-0.5f); //绘制手臂 glPopMatrix(); //出栈 //对Leg2作同样的处理 glPushMatrix(); //如果腿向前移动，则增大角度，否则减小角度 if(leg2==true) { legAngle[1] = legAngle[1] + 1.0f; } else { legAngle[1] = legAngle[1] - 1.0f; } //一旦手臂在一个方向上达到最大值，就将其反转 if(legAngle[1]>=15.0f) { leg2=false; } if(legAngle[1]<=-15.0f) { leg2=true; } //移动并旋转腿，以产生行走的效果 glTranslatef(0.0f,-0.5f,0.0f); //移动 glRotatef(legAngle[1],1.0f,0.0f,0.0f); //旋转 DrawLeg(1.5f,-5.0f,-0.5f); //绘制手臂 glPopMatrix(); //出栈 glPopMatrix(); //出栈 } //处理场景绘制 void Render() { glEnable(GL_DEPTH_TEST); //启用深度检测 //在此处绘制 glClearColor(0.0f,0.0f,0.0f,0.0f); //设置清理色为黑色 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); //清理颜色、深度缓存 glLoadIdentity(); //复位模型视图矩阵 angle=angle+1.0f; //递增旋转角度计数器 if(angle>=360.0f) //如果已经旋转了一周，复位计数器 { angle=0.0f; } glPushMatrix(); //当前矩阵压入堆栈 glLoadIdentity(); //复位矩阵 glTranslatef(0.0f,0.0f,-30.0f); //平移至（0，0，-30） glRotatef(angle,0.0f,1.0f,0.0f); //绕y轴旋转机器人 DrawRobot(0.0f,0.0f,0.0f); //绘制机器人 glPopMatrix(); //退栈 glFlush(); SwapBuffers(g_HDC); //交换前后缓存 } void SetupPixelFormat(HDC hDC) //为设备环境设置像素格式 { int nPixelFormat; //像素格式变量 static PIXELFORMATDESCRIPTOR pfd={ sizeof(PIXELFORMATDESCRIPTOR), //数据结构大小 1, //版本号，总设为1 PFD_DRAW_TO_WINDOW | //支持窗口 PFD_SUPPORT_OPENGL | //支持OpenGL PFD_DOUBLEBUFFER, //支持双缓存 PFD_TYPE_RGBA, //RGBA颜色模式 32, //32位颜色模式 0,0,0,0,0,0, //忽略颜色为，不使用 0, //无alpha缓存 0, //忽略偏移位 0, //无累积缓存 0,0,0,0, //忽略累积位 16, //16位z-buffer（z缓存）大小 0, //无模板缓存 0, //无辅助缓存 PFD_MAIN_PLANE, //主绘制平面 0, //保留的数据项 0,0,0}; //忽略层面掩模 //选择最匹配的像素格式，返回索引值 nPixelFormat=ChoosePixelFormat(hDC,&pfd); //设置环境设备的像素格式 SetPixelFormat(hDC,nPixelFormat,&pfd); } //Windows Procedure 事件处理 LRESULT CALLBACK WndProc(HWND hwnd,UINT message,WPARAM wParam,LPARAM lParam) { static HGLRC hRC; //绘制环境 static HDC hDC; //设备环境 int width,height; //窗口高度和宽度 switch(message) { case WM_CREATE: //窗口被创建 hDC=GetDC(hwnd); //得到当前窗口的设备环境 g_HDC=hDC; SetupPixelFormat(hDC); //调用像素格式设置函数 hRC=wglCreateContext(hDC); //创建一个指向OpenGL绘制环境的句柄 wglMakeCurrent(hDC,hRC); //将传递过来的绘制环境设置为OpenGL将要进行绘制的当前绘制环境 return 0; break; case WM_CLOSE: //窗口被关闭 wglMakeCurrent(hDC,NULL); //取�