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void DrawGLScene(GLvoid) // ´Ëº¯ÊýÍê³ÉͼÐλæÖÆ

{

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Çå³ýÑÕÉ«»º³åÇøºÍÉî¶È»º³åÇø

glLoadIdentity(); // ÖØÖõ±Ç°Ä£ÐÍÊÓͼ¾ØÕó

glTranslatef(-1.5f,0.0f,0.0f); // Ïò×óƽÒÆ50¸öµ¥Î»

glBegin(GL_TRIANGLES); // »æÖÆÈý½ÇÐÎ

glColor3f(1.0f,0.0f,0.0f); //»­±ÊÉèÖÃΪºìÉ«

glVertex3f( 0.0f, 1.0f, 0.0f);

glColor3f(0.0f,1.0f,0.0f); // ÉèÖÃΪÂÌÉ«

glVertex3f(-1.0f,-1.0f, 0.0f); glColor3f(0.0f,0.0f,1.0f); //ÉèÖÃΪÀ¶É«

glVertex3f( 1.0f,-1.0f, 0.0f);

glEnd(); // Íê³ÉÈý½ÇÐεĻæÖÆ

glTranslatef(3.0f,0.0f,0.0f); // ÏòÓÒƽÒÆ3¸öµ¥Î»

glColor3f(0.0f,1.0f,1.0f); // ÉèΪÇàÉ«

glBegin(GL_QUADS); // »­ËıßÐÎ

glVertex3f(-1.0f, 1.0f, 0.0f);

glVertex3f( 1.0f, 1.0f, 0.0f);

glVertex3f( 1.0f,-1.0f, 0.0f);

glVertex3f(-1.0f,-1.0f, 0.0f); /

glEnd(); //Íê³ÉËıßÐλæÖÆ

glFlush();

}

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// ͼÐÎ.cpp : Defines the entry point for the console application.

//

#include

#include

#include

#include

#define MAX 10^6;

//Èç¹ûÐèÒª¼Ç¼Êó±êµãµÄλÖ㬾Ͷ¨ÒåÈ«¾Ö±äÁ¿À´±£´æ

struct Point {int x, y;};

Point pt[2];

int pointNum=0;//±ê¼ÇµãºÅ£¬0±íʾÏ߶ÎÆðµã£¬1±íʾÏ߶ÎÖеã

void MyDrawGLScene() // ´Ëº¯ÊýÍê³ÉͼÐλæÖÆ

{

int i;

float pSizes[5]={1.0f,2.0f,3.0f,4.0f,5.0f}; //É趨Îå¸öµãµÄ´óС

float lWidth[5]={1.0f,2.0f,3.0f,4.0f,5.0f}; //É趨ÎåÌõÖ±ÏߵĿí¶È

glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT); // Çå³ýÑÕÉ«»º³åÇøºÍÉî¶È»º³åÇø

glLoadIdentity(); // ÖØÖõ±Ç°Ä£ÐÍÊÓͼ¾ØÕó

glTranslatef(-1.8f,-0.1f,0.0f); // Ïò×óƽÒÆ50¸öµ¥Î»

// »æÖÆÎå¸ö´óС²»Í¬µÄµÄµã

glEnable(GL_POINT_SMOOTH); //¿ªÆô·´»ìÏý

for( i=0;i<5;i++){// »æÖÆÎå¸ö´óС²»Í¬µÄµÄµã

glPointSize(pSizes[i]);

glTranslatef(0.1f,-0.0f,0.0f); // ÏòÓÒƽÒÆ50¸öµ¥Î»

glBegin(GL_POINTS);

glColor3f(1.0f,0.0f,0.0f); //»­±ÊÉèÖÃΪºìÉ«

glVertex2f(1.0f,1.0f);

glEnd();

}

//»æÖÆÎåÌõ²»Í¬¿í¶ÈµÄÖ±Ïß

glTranslatef(-0.5f,-0.1f,0.0f); // Ïò×óƽÒÆ50¸öµ¥Î»

for(i=0;i<5;i++) //»æÖÆÎåÌõ²»Í¬¿í¶ÈµÄÖ±Ïß

{

glTranslatef(0.0f,-0.1f,0.0f);

glLineWidth(lWidth[i]); //É趨ֱÏߵĿí¶È

glBegin(GL_LINES);

glColor3f(0.0f,1.0f,0.0f); //»­±ÊÉèÖÃΪÂÌÉ«

glVertex2f(1.0f,1.0f);

glVertex2f(2.0f,1.0f);

glEnd();

}

//»­Îå¸ö¶¨µãµÄÕÛÏß

glTranslatef(0.0f,-0.2f,0.0f); // Ïò×óƽÒÆ50¸öµ¥Î»

glColor3f(0.0f,0.0f,1.0f); //»­±ÊÉèÖÃΪÀ¶É«

glLineWidth(3.0f); //É趨ֱÏߵĿí¶È

glBegin(GL_LINE_STRIP); //»­Îå¸ö¶¨µãµÄÕÛÏß

glVertex2f(1.0f,1.0f);

glVertex2f(1.2f,1.1f);

glVertex2f(1.4f,1.0f);

glVertex2f(1.6f,1.1f);

glVertex2f(1.8f,1.0f);

glEnd();

// »æÖÆÈý½ÇÐÎ

glTranslatef(1.5f,0.7f,0.0f); // Ïò×óƽÒÆ50¸öµ¥Î»

glPolygonMode(GL_FRONT_AND_BACK,GL_FILL); //Ñ¡ÔñÈý½ÇÐεĹâÕ¤»¯Ä£Ê½Îª¶à±ßÐÎÄÚ²¿±»Ìî³ä£¬Ñ¡ÓòÎÊýGL_FILL

glEnable(GL_POLYGON_STIPPLE); //ƽ»¬Ìî³äÈý½ÇÐÎ

glBegin(GL_TRIANGLES);

glColor3f(1.0f,0.0f,0.0f); //»­±ÊÉèÖÃΪºìÉ«

glVertex3f( 0.0f, 0.15f, 0.0f);

glColor3f(0.0f,0.5f,0.0f); // ÉèÖÃΪÂÌÉ«

glVertex3f(-0.15f,-0.15f, 0.0f);

glColor3f(0.0f,0.0f,1.0f); //ÉèÖÃΪÀ¶É«

glVertex3f(0.15f,-0.15f, 0.0f);

glEnd(); // Íê³ÉÈý½ÇÐεĻæÖÆ

// »­ÕýÁùÐÎ

glTranslatef(0.5f,0.0f,0.0f); // ÏòÓÒƽÒÆ0.5¸öµ¥Î»

glColor3f(0.0f,1.0f,1.0f); // ÉèΪÇàÉ«

glBegin(GL_POLYGON);

glVertex3f(-0.2f, 0.0f, 0.0f);

glVertex3f(-0.1f, 0.1732f, 0.0f);

glVertex3f( 0.1f,0.1732f, 0.0f);

glVertex3f(0.2f,0.0f, 0.0f);

glVertex3f(0.1f,-0.1732f, 0.0f);

glVertex3f(-0.1f,-0.1732f, 0.0f);

glEnd(); //Íê³ÉÕýÁù±ßÐÎÐλæÖÆ

//ʹÓ÷´»ìÏý»æÖÆ¿í¶ÈΪ5µÄÖ±Ïß

glTranslatef(-0.4f,-0.3f,0.0f); // ÏòÏÂƽÒÆ0.3¸öµ¥Î»

glLineWidth(5.0f); //É趨ֱÏߵĿí¶ÈΪ5

glColor3f(0.3f,0.5f,0.9f); //»­±ÊÉèÖÃΪ×ÏÉ«

glEnable(GL_LINE_SMOOTH);

glBegin(GL_LINES); //ʹÓ÷´»ìÏý»æÖÆ¿í¶ÈΪ5µÄÖ±Ïß

glVertex3f(-0.5f, -0.1f, 0.0f);

glVertex3f(0.5f, 0.1f, 0.0f);

glEnd();

//²»ÊÊÓ÷´»ìÏý·½Ê½»æÖÆ¿í¶ÈΪ5µÄÖ±Ïß

glDisable(GL_LINE_SMOOTH); //¹Ø±Õ·´»ìÏý

glBegin(GL_LINES); //²»ÊÊÓ÷´»ìÏý·½Ê½»æÖÆ¿í¶ÈΪ5µÄÖ±Ïß

glVertex3f(-0.1f, -0.1f, 0.0f);

glVertex3f(0.9f, 0.1f, 0.0f);

glEnd();

glFlush();

}

void myDisplay()

{

glClear(GL_COLOR_BUFFER_BIT);//»­Í¼Ö®Ç°ÏÈÉèÖû­Í¼ÇøµÄ±³¾°É«

glColor3f (1.0f, 0.0f, 0.0f);//ÉèÖÃÇ°¾°É«£¨Ï൱ÓÚ»­±ÊÑÕÉ«£©

LARGE_INTEGER Freq;

LARGE_INTEGER start;

LARGE_INTEGER end;

QueryPerformanceFrequency(&Freq); // »ñȡʱÖÓÖÜÆÚ

if(pointNum == 2)

{

QueryPerformanceCounter(&start); // »ñȡʱÖÓ¼ÆÊý

MyDrawGLScene();

QueryPerformanceCounter(&end);

printf("ÓÃʱ%d΢Ãë\n",(end.QuadPart-start.QuadPart)*1000000/Freq.QuadPart);

}

glFlush();//Ç¿ÖÆˢлº³å£¬±£Ö¤»æͼÃüÁî±»Á¢¼´Ö´ÐÐ

}

void Init()

{

glClearColor(0.0, 0.0, 0.0, 0.0);

glShadeModel(GL_SMOOTH);//ÉèÖÃƽ»¬ÑÕÉ«¹ý¶Éģʽ£¨Ï൱ÓÚÔÚÁ½ÖÖÑÕÉ«¼ä½øÐвîÖµ£¬ÏëÏóÒ»ÏÂÏ߶εÄÁ½¸ö¶ËµãÑÕÉ«²»Ò»Ñù£¬Ï߶ÎÖмä¸ÃÊÇʲôÑÕÉ«£©

printf("ÕâÊÇÒ»¸öÑÝʾ³ÌÐò!\n");//ÔÚ´°¿ÚÖиø³öÌáʾ

}

void Reshape(int w, int h)

{

glViewport(0, 0, (GLsizei) w, (GLsizei) h);//ÉèÖÃÊÓ¿Ú´óСÓë´°¿Ú´óСÍêÈ«Ò»ÖÂ

glMatrixMode(GL_PROJECTION);//Ö¸¶¨µ±Ç°¾ØÕóΪͶӰ¾ØÕó

glLoadIdentity();//½«Í¶Ó°¾ØÕó³õʼ»¯Îªµ¥Î»¾ØÕó

gluOrtho2D(0.0, (GLdouble) w, 0.0, (GLdouble) h);//¶¨Òå¶þάͶӰ¾ØÕó

}

//×Ô¶¨ÒåµÄ¼üÅÌÏûÏ¢´¦Àíº¯Êý£¬ÐèÒªÔÚmainº¯ÊýÖе÷ÓöÔÓ¦µÄ»Øµ÷º¯Êý²ÅÄÜÆð×÷ÓÃ

void keyboard(unsigned char key, int x, int y)

{

switch (key)

{

case 'c':

break;

case 'r':

break;

case 'x':

exit(0);

break;

default:

break;

}

}

void mouse(int button, int state, int x, int y) //Êó±ê´¦Àí»Øµ÷º¯Êý

{

if (button == GLUT_LEFT_BUTTON && state == GLUT_DOWN) //Èç¹ûÊó±ê×ó¼ü°´ÏÂ

{

if(pointNum == 2) pointNum=0; //ÖØмǼÏ߶εĶ˵ã

pt[pointNum].x=x;//±£´æÏ߶ζ˵ãµÄºá×ø±ê

pt[pointNum].y=600-y;//±£´æÏ߶ζ˵ãµÄ×Ý×ø±ê ÓÉÓÚÆÁÄ»×ø±êµÄ×ÝÖáÏòÏ£¬¶ø»­Í¼Ê±×ø±êÏòÉÏ£¬Òò´ËÐèҪȡ·´

pointNum++;

glutPostRedisplay();

}

}

void main(int argc, char *argv[])

{

glutInit(&argc, argv);

glutInitDisplayMode(GLUT_RGB | GLUT_SINGLE);

glutInitWindowPosition(100, 100);

glutInitWindowSize(800, 600);

glutCreateWindow("Hello World!");

Init();

glutDisplayFunc(myDisplay);

glutReshapeFunc(Reshape);

glutKeyboardFunc(keyboard);//×¢²á¼üÅ̺¯Êý

glutMouseFunc(mouse); // ×¢²áÊó±ê´¦Àíº¯Êý

glutMainLoop();

int a=35,b=12;

}

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