计算机图形学OpenGL——键盘控制三维汽车

分手后的思念是犯贱 2022-08-18 12:20 243阅读 0赞

**计算机图形学OpenGL**

**— —键盘控制三维汽车**

最终实现效果：

![Center][]

![Center 1][]

源代码：

#include "stdafx.h"
    #include <windows.h>
    #include <gl/gl.h>
    #include <gl/glu.h>
    #include <gl/glut.h>
    #include <math.h>
    static GLfloat xRot = 0.0f;
    static GLfloat yRot = 0.0f;
    void Display(void)
    {   glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
        glPushMatrix();
       	glRotatef(xRot, 1.0f, 0.0f, 0.0f);  //绕x轴旋转
    	glRotatef(yRot, 0.0f, 1.0f, 0.0f);  //绕y轴旋转
    	//车下半部
    	glBegin(GL_POLYGON);
    		glColor3f(0.1, 0.1, 0.8);
    		glVertex3f(-40.0f,0.0f,15.0f);
    		glVertex3f(40.0f,0.0f,15.0f);
    		glColor3f(1, 0.5, 0.8);
    		glVertex3f(40.0f,-15.0f,15.0f);
    		glVertex3f(-40.0f,-15.0f,15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0.3, 0.2, 0.5);
    		glVertex3f(40.0f,0.0f,-15.0f);
    		glVertex3f(40.0f,0.0f,15.0f);
    		glVertex3f(40.0f,-15.0f,15.0f);
    		glVertex3f(40.0f,-15.0f,-15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0.3, 0.1, 0.3);
    		glVertex3f(-40.0f,0.0f,-15.0f);
    		glVertex3f(-40.0f,0.0f,15.0f);
    		glVertex3f(-40.0f,-15.0f,15.0f);
    		glVertex3f(-40.0f,-15.0f,-15.0f);
    	glEnd();
        glBegin(GL_POLYGON);
    		glColor3f(0.1, 0.1, 0.8);
    		glVertex3f(-40.0f,0.0f,-15.0f);
    		glVertex3f(40.0f,0.0f,-15.0f);		
    		glColor3f(1, 0.5, 0.8);
    		glVertex3f(40.0f,-15.0f,-15.0f);
    		glVertex3f(-40.0f,-15.0f,-15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0, 0, 1);
    		glVertex3f(-40.0f,0.0f,15.0f);
    		glVertex3f(-40.0f,0.0f,-15.0f);
    		glVertex3f(40.0f,0.0f,-15.0f);
    		glVertex3f(40.0f,0.0f,15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0.8, 0.5, 0.2);
    		glVertex3f(-40.0f,-15.0f,15.0f);
    		glVertex3f(-40.0f,-15.0f,-15.0f);
    		glVertex3f(40.0f,-15.0f,-15.0f);
    		glVertex3f(40.0f,-15.0f,15.0f);
    	glEnd();
    	//车上半部
    	glBegin(GL_POLYGON);
    		glColor3f(0, 0, 1);
    		glVertex3f(-20.0f,0.0f,15.0f);
    		glVertex3f(-10.0f,10.0f,15.0f);
    		glVertex3f(20.0f,10.0f,15.0f);
    		glVertex3f(25.0f,0.0f,15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0, 0, 1);
    		glVertex3f(-20.0f,0.0f,-15.0f);
    		glVertex3f(-10.0f,10.0f,-15.0f);
    		glVertex3f(20.0f,10.0f,-15.0f);
    		glVertex3f(25.0f,0.0f,-15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0, 1, 1);
        	glVertex3f(-10.0f,10.0f,15.0f);
        	glVertex3f(-10.0f,10.0f,-15.0f);
    		glVertex3f(20.0f,10.0f,-15.0f);
    		glVertex3f(20.0f,10.0f,15.0f);
    	glEnd();
        glBegin(GL_POLYGON);
    		glColor3f(0.5, 0.8, 0.8);
        	glVertex3f(-10.0f,10.0f,15.0f);
    		glVertex3f(-20.0f,0.0f,15.0f);
    		glVertex3f(-20.0f,0.0f,-15.0f);
        	glVertex3f(-10.0f,10.0f,-15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0, 0.5, 0.5);
    		glVertex3f(20.0f,10.0f,15.0f);
    		glVertex3f(20.0f,10.0f,-15.0f);
    		glVertex3f(25.0f,0.0f,-15.0f);
    		glVertex3f(25.0f,0.0f,15.0f);
    	glEnd();
    	glBegin(GL_POLYGON);
    		glColor3f(0, 0, 1);
    		glVertex3f(-30.0f,-15.0f,15.0f);
    		glVertex3f(-30.0f,-15.0f,-15.0f);
    		glVertex3f(30.0f,-15.0f,-15.0f);
    		glVertex3f(30.0f,-15.0f,15.0f);
    	glEnd();
    	//车轮
    	glColor3f(1, 0, 0);
    	glTranslated(-20.0f,-15.0f,15.0f);
        glutSolidTorus(2,5,5,100);
    	glTranslated(0.0f,0.0f,-30.0f);
        glutSolidTorus(2,5,5,100);
    	glTranslated(45.0f,0.0f,0.0f);
        glutSolidTorus(2,5,5,100);
    	glTranslated(0.0f,0.0f,30.0f);
        glutSolidTorus(2,5,5,100);
        glPopMatrix();
    	glutSwapBuffers();   //交换缓冲
    }
    //定义键盘控制函数
    void SpecialKeys(int key, int x, int y)
    {   if(key == GLUT_KEY_UP)		xRot-= 5.0f;   
    	if(key == GLUT_KEY_DOWN)	xRot += 5.0f;
    	if(key == GLUT_KEY_LEFT)	yRot -= 5.0f;
    	if(key == GLUT_KEY_RIGHT)	yRot += 5.0f;
    	glutPostRedisplay(); // 刷新窗口
    }
    int main(int argc, char* argv[])
    {   glutInit(&argc, argv);
    	glutInitDisplayMode(GLUT_DOUBLE | GLUT_RGB | GLUT_DEPTH);
    	glutCreateWindow("车");
    	glClearColor(0.0f, 0.0f, 0.0f, 1.0f );
    	glEnable(GL_DEPTH_TEST);	
    	glShadeModel(GL_SMOOTH);
    	glMatrixMode(GL_PROJECTION);
    	glLoadIdentity();
    	glOrtho (-100, 100, -100, 100,-100, 100);
    	glutSpecialFunc(SpecialKeys);  //注册功能键回调函数
    	glutDisplayFunc(Display);
    	glutMainLoop();
    	return 0;
    }

[Center]: /images/20220731/39d765aeb7434344a2051123d6f36ead.png
[Center 1]: /images/20220731/a806e2557d514de592f2e940740db5fa.png