#include?“gl/glut.h“
#include?

int?widthheight;

void?render（）
{
	glClear（?GL_COLOR_BUFFER_BIT?|?GL_DEPTH_BUFFER_BIT?）;

	//glRotatef（0.51.01.00.0）;
	glBegin（GL_TRIANGLES）;
		//glColor3f（?1.0?1.0?0.0?）;
		glVertex3f（width/2?0.0?-height/2）;
			//glColor3f（?1.0?1.0?0.0?）;
		glVertex3f（0.0?height/2?-height/2）;
			//glColor3f（?1.0?1.0?0.0?）;
		glVertex3f（0.0?0.0height/2）;
	glEnd（）;
	
/*	glBegin（GL_TRIANGLES）;
		//glColor3f（?1.0?0.0?0.0?）;
		glVertex3f（width/2?0.0?-height/2）;
			//glColor3f（?1.0?0.0?0.0?）;
		glVertex3f（0.0?-height/2?-height/2）;
			//glColor3f（?1.0?0.0?0.0?）;
		glVertex3f（0.0?0.0height/2）;
	glEnd（）;

	glBegin（GL_TRIANGLES）;
		//glColor3f（?0.0?1.0?0.0?）;
		glVertex3f（0.0?-height/2?-height/2）;
			//glColor3f（?0.0?1.0?0.0?）;
		glVertex3f（-width/2?0.0?-height/2）;
		//	glColor3f（?0.0?1.0?0.0?）;
		glVertex3f（0.0?0.0height/2）;
	glEnd（）;

	glBegin（GL_TRIANGLES）;
		//glColor3f（?0.0?0.0?1.0?）;
		glVertex3f（-width/2?0.0?-height/2）;
			//glColor3f（?0.0?0.0?1.0?）;
		glVertex3f（0.0?height/2?-height/2）;
			//glColor3f（?0.0?0.0?1.0?）;
		glVertex3f（0.0?0.0height/2）;
	glEnd（）;

	glBegin（GL_POLYGON）;
		//glColor3f（0.01.01.0）;
		glVertex3f（width/20.0-height/2）;
		//glColor3f（0.01.01.0）;
		glVertex3f（0.0-height/2-height/2）;
		//glColor3f（0.01.01.0）;
		glVertex3f（-width/20.0-height/2）;
		//glColor3f（0.01.01.0）;
		glVertex3f（0.0height/2-height/2）;
		*/
	glEnd（）;
	glFlush（）;
	glutSwapBuffers（）;
}

void?keyboard（?unsigned?char?key?int?x?int?y?）
{
	switch（?key?）?
	{
		case?‘q‘?:?
		case?‘Q‘?:
			exit（?0?）;
			break;
		case?‘r‘?:?case?‘R‘?:
			glutPostRedisplay（）;
			break;

	}
}


void?init（）
{
	glClearColor（0.0f?0.0f?0.0f?1.0f）;
	glEnable（GL_DEPTH_TEST）;
	//glEnable（GL_LIGHTING）;
	//glEnable（GL_LIGHT0）;
}

void?idle（）
{
	glutPostRedisplay（）;
}

void?reshape（int?wint?h）
{
	glViewport（00wh）;
	glMatrixMode（GL_PROJECTION）;
	glLoadIdentity（）;
	glOrtho（-w/2w/2-h/2h/2-w/2w/2）;
	glMatrixMode（GL_MODELVIEW）;
	glLoadIdentity（）;

	width?=?w/2.0;
	height?=?h/2.0;
}

void?main（）
{
	glutInitDisplayMode（GLUT_DEPTH?|?GLUT_DOUBLE?|?GLUT_RGBA）;
	glutInitWindowPosition（100100）;
	glutInitWindowSize（500500）;
	glutCreateWindow（“3D?Tech-?GLUT?Tutorial“）;

	init（）;

	glutDisplayFunc（render）;
	glutReshapeFunc（reshape）;
	glutIdleFunc（idle）;
	glutKeyboardFunc（?keyboard?）;

	glutMainLoop（）;
}

?屬性????????????大小?????日期????時間???名稱
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?????文件???????3942??2010-04-26?10:34??棱錐\assignment1\assignment1.vcproj

?????文件???????1413??2010-04-26?11:01??棱錐\assignment1\assignment1.vcproj.COMPUTER.Administrator.user

?????文件????????663??2010-04-26?10:34??棱錐\assignment1\Debug\assignment1.exe.embed.manifest

?????文件????????728??2010-04-26?10:34??棱錐\assignment1\Debug\assignment1.exe.embed.manifest.res

?????文件????????621??2010-06-14?20:25??棱錐\assignment1\Debug\assignment1.exe.intermediate.manifest

?????文件???????6488??2010-06-14?20:25??棱錐\assignment1\Debug\BuildLog.htm

?????文件?????????67??2010-06-14?20:25??棱錐\assignment1\Debug\mt.dep

?????文件??????11926??2010-06-14?20:25??棱錐\assignment1\Debug\opengl.obj

?????文件??????27648??2010-06-14?20:25??棱錐\assignment1\Debug\vc90.idb

?????文件??????53248??2010-06-14?20:25??棱錐\assignment1\Debug\vc90.pdb

?????文件???????1427??2010-06-14?20:26??棱錐\assignment1\assignment1.vcproj.PC-200809101318.Administrator.user

?????文件???????2502??2010-06-14?20:25??棱錐\assignment1\opengl.c

?????文件????????904??2010-04-26?10:33??棱錐\assignment1.sln

????..A..H.??????9728??2010-06-14?20:26??棱錐\assignment1.suo

?????文件??????31744??2010-06-14?20:25??棱錐\Debug\assignment1.exe

?????文件?????402968??2010-06-14?20:25??棱錐\Debug\assignment1.ilk

?????文件?????437248??2010-06-14?20:25??棱錐\Debug\assignment1.pdb

?????文件?????379904??2010-06-14?20:26??棱錐\assignment1.ncb

?????目錄??????????0??2010-04-26?16:38??棱錐\assignment1\Debug

?????目錄??????????0??2010-04-26?16:38??棱錐\assignment1

?????目錄??????????0??2010-04-26?16:38??棱錐\Debug

?????目錄??????????0??2010-04-26?16:38??棱錐

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??????????????1373169????????????????????22