Depth-Test--Example.rar_opengl depth_visual c_风车 openGL

#include<gl/glut.h> #include<math.h> #pragma comment( linker, "/subsystem:\"windows\" /entry:\"mainCRTStartup\"" ) float r1,r2; void display() { glPushMatrix(); glTranslatef(0.0,-0.15,0.0); glRotatef(r1,0.0,1.0,0.0);//旋转风车 glTranslatef(0.0,0.2,0.0); glPushMatrix(); glTranslatef(0.0,0.0,0.0); glScalef(0.6,1.0,0.6); glPushMatrix();/////////////////////屋顶 glBegin(GL_TRIANGLES); glColor3f(1.0,0.0,0.0); glVertex3f(-0.5,0.0,0.5); glVertex3f(0.5,0.0,0.5); glVertex3f(0.0,0.6,0.0); glEnd(); glBegin(GL_TRIANGLES); glColor3f(1.0,1.0,0.0); glVertex3f(0.5,0.0,0.5); glVertex3f(0.5,0.0,-0.5); glVertex3f(0.0,0.6,0.0); glEnd(); glBegin(GL_TRIANGLES); glColor3f(0.0,1.0,0.0); glVertex3f(0.5,0.0,-0.5); glVertex3f(-0.5,0.0,-0.5); glVertex3f(0.0,0.6,0.0); glEnd(); glBegin(GL_TRIANGLES); glColor3f(0.0,1.0,1.0); glVertex3f(-0.5,0.0,-0.5); glVertex3f(-0.5,0.0,0.5); glVertex3f(0.0,0.6,0.0); glEnd(); glPopMatrix(); glPopMatrix(); glPushMatrix();////////////////////屋檐下面部分 glTranslatef(0.0,-0.5,0.0); glScalef(0.6,1.0,0.6); glPushMatrix(); glColor3f(0.3,1.0,0.7); glutSolidCube(1.0); glColor3f(1.0,0.0,0.7); glutWireCube(1.0); glPopMatrix(); glPopMatrix(); glPushMatrix(); glTranslatef(0.0,0.3,0.5); glRotatef(r2,0.0,0.0,1.0);//旋转风车叶子 glPushMatrix(); for(int i=0;i<4;i++)////////////风车叶子 { glPushMatrix(); glRotatef((90.0*i),0.0,0.0,1.0); glBegin(GL_TRIANGLES); glColor3f(1.0,1.0,0.0); glVertex3f(0.0,0.0,0.0); glColor3f(1.0,1.0,0.5); glVertex3f(0.0,0.5,0.0); glColor3f(1.0,0.5,0.8); glVertex3f(0.25,0.6,0.0); glEnd(); glPopMatrix(); } glPopMatrix(); glPushMatrix(); glColor3f(0.6,0.8,0.8); glBegin(GL_QUAD_STRIP);/////////////风车的转轴 for(int i1=0;i1<=390;i1+=30) { float p=(float)(i1*3.14/180); glVertex3f((float)0.05*sin(p)/2,(float)0.05*cos(p)/2,-0.8f ); glVertex3f((float)0.05*sin(p)/2,(float)0.05*cos(p)/2,0.0f ); } glEnd(); glBegin(GL_TRIANGLE_FAN); glColor3f(1.0,0.8,0.2); glVertex3f(0.0,0.0,0.0); for(int j=0;j<=390;j+=30) { float p1=(float)(j*3.14/180); float p2=(float)((j+1)*3.14/180); glVertex3f((float)0.05*sin(p1)/2,(float)0.05*cos(p1)/2,0.0f ); glVertex3f((float)0.05*sin(p2)/2,(float)0.05*cos(p2)/2,0.0f ); } glEnd(); glBegin(GL_TRIANGLE_FAN); glColor3f(1.0,0.0,0.2); glVertex3f(0.0,0.0,-0.8); for(int k=0;k<=390;k+=30) { float p3=(float)(k*3.14/180); float p4=(float)((k+1)*3.14/180); glVertex3f((float)0.05*sin(p3)/2,(float)0.05*cos(p3)/2,-0.8f ); glVertex3f((float)0.05*sin(p4)/2,(float)0.05*cos(p4)/2,-0.8f ); } glEnd(); glPopMatrix(); glPopMatrix(); glPopMatrix(); } void renderScene()//OpenGL图形处理 { glClearColor(0.1f,0.1f,0.2f,0.0f); // 设置刷新背景色 glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);// 刷新背景 //glEnable(GL_DEPTH_TEST);//允许深度测试 glLoadIdentity(); // 重置当前的模型观察矩阵 display(); glFlush(); // 更新窗口 glutSwapBuffers ( ); // 切换缓冲区 r1+=0.1;if(r1>360) r1=0; r2+=2;if(r2>360) r2=0; } void main(int argc, char **argv) { glutInit(&argc, argv); glutInitDisplayMode(GLUT_RGBA | GLUT_DOUBLE|GLUT_DEPTH);//GLUT_SINGLE glutInitWindowPosition(350,50); glutInitWindowSize(750,600); glutCreateWindow("风车"); glutDisplayFunc(renderScene); glutIdleFunc(renderScene); glutMainLoop(); }