实验-OpenGL几何变换

精品文档精品文档#。^include<GL,/gljt.Ii:>glClearCoIcr(1。1.0,1,0；0.0);：glMatrixMode(GL_PROJECnO^J);gluOi-tho2D(-5.Of525&5.0工〃设置显示的羽是乂二5口『5』「¥:-工口~，口glMatrixMode(GL_MODELVIEW);vcicdEkSqu日间vniG”绘制中心在原点，边长为2的正方的glB即口(GL_POLYGON^;〃质品疑需要按晚附方向glVertejcZfC-L.0ff-1.0D;//ST^qlVertezZf 若下点glVertesZf(1.0匕LQf)"『右上点glUeirteJcZf(-LOf-OQ;"左上点glM(LglClea^[-QL_COLOK_BUFFER_BIT)；/,靖空glLoadldentiM)；/米当前矩阵设为单位矩阵glPii5hMatrix(j;gIT-ansiatjef(0.0f,2.Of,O-OT);glScaleff3.0j0.5j1.0);glCoor3f(1.0r0.0,Q.O);dnawSqjaneO："上面红色矩形dPopMatrixQglPii5hMatrix(j;gIT-ansiatjef(-3,0A0A0)；glPii5hMatrix(j;glRjotatef[4i(),0<D.a,1.0);glCoar3f(O.Or1.0,0.03；drawSqjareO;〃中间左菱形glPopMatriscO;glT-an5.latef(3.0,0.0,0.0)■glPushMatrix(j;glKotatef[4i(]r0-0fD.0,1.0);glCooral(0.0,0.7,0.03：drawSquaneO：〃中间中菱形glPopMatri)cO：glTranslatef(3.0,0.0,0.0);glPuEhMatriK(j;glRotatef(45.0,0.0,0.0,1.0);glColorSf(O.0r0.4,0.0);drawSquareQ；〃中间旗形gIPopMatrigIPopMatrix();glT-an：ElateF(D.0;-3.0,0.0);glScaleft^ttJ.Sijl.O);glColor3f(0.0,0,0,1.0);drawSquareQ；〃枪典矩形gIFlush();cilutlnit{&argc_r■argv);glutlnitDisplayMode(GLLFT_S1NGLE|GLUT_kGB)-gIutlnitWindowPosi:ion(Qr0);gIutlnitWindowSize(600F600);gIutCreateWindow("几何要换函数综合示例")；glutDisplayFmic(myDraw);glutMainLoop£J;生成图形:5.实验作业:绘制如下图形:(1)写一个绘制翱2的国徽drawDiamond(void);vcicdrawDiamordCvod)”绘制中心在原点的菱形g旧为in(GL_PC]LYGOhl);"顶导箍需要按曲寸针方向WVcrt2x2f(。,叱-一叫;/拜:点glVBrtmcZf⑵叫正口口右点glV&rte>c