OpenGl构建基本的房子

Projectby20126154；20126153；20126155大作业Page1CategoryItemsMarkallocatedGradeDemo(10marks)(H)house-Ahouseshouldbecreatedanddisplayed.2(T)tree-Atleastonetreeshouldbecreatedanddisplayed2(S)Sun–thesunisamustobject.2(E)extraenvironmentobject(s)-youcancreateanyotherextraobjectonthepieceoflandyouhave.2(V)viewpoints-yourprogramshouldenableviewertoviewyourhomewithdifferentangles.2Sub-total:10FinalReport(20marks)(C)clarity-Doesyourreportexplaineverythingthatyoudid?2(D)design-Didyoudesignyourimplementationwell?DidyouuseanyCGtechnique(s)whereappropriate?2(E)English-Arethereanyspellingorgrammaticalerrors?Isyourwritingclearandsuccinct?2(N)neatness-Arethetext,codeandfigureslaidoutwell?Isyourwriting/printinglegible?2(T)thoroughness-Isthereportcomplete?Didyouleaveimportantthingsout?Didyouforgettodescribeimportantcases,rules,orprogrambehaviour?Didyoumakeerrorsinyourprojectthataren'tlistedintheshortcomings?2Sub-total:10Total:outof20GeneralComments:IntroductionandMotivation：我们的实验包括房子、栅栏、小狗住的房子、树木、机器人、太阳、草地等几个简单的事物，保证了能够从各个角度观看到，完成了对项目的基本要求。Projectby20126154；20126153；20126155大作业Page2在实验创建中，我们首先按照要求构思出整体的框架，需要做哪些事物，以及每个事物的大体位置，接着计算各个点的坐标，之后分工进行，每个人做一到两个事物，最后将所有事物整合在一起。还遇到的一个问题是，保证所有物体能够合理的展现出来，不出现掩盖或不能显示效果的现象，这首先是对物体的创建和坐标的把握，然后是对基本变换功能的掌握，对于这方面的设计，不仅需要严谨计算还要学习功能的设计。DesignandImplementations：一开始大体的想法是设计一个带有烟囱的尖顶房子，后来在做房顶的时候遇到了困难，房顶的两侧无法显示，后来找到的改进方法是将房顶做成一个长方体，并将长方体上的两个点合并，并缩短X轴上的距离，加上深度测试，最终出现了想要的效果；之后用类似的方法做出了树和小狗住的房子；太阳一开始想用实验三的方法通过圆去做，后来效果不理想，我们组在网上找到了glutSolidSphere();画球的方法。由此也学会了glutSolidCube();画立方体的方法，利用这种方法做出了栅栏，然后两者综合做出了机器人Shortcomings：设计完实验作业，我们存在着很多的不足，首先，构图坐标有些繁杂冗长，导致代码的篇幅有些长。第二，因为功底是在太差，没有做出贴图和光源，导致整体不是很漂亮。第三，实验思路有些混乱，经常是想起来什么就做什么，导致效率变低。Conclusions：总体来说，能够把项目做到这样的效果，我们还是很满意的，但是还是对没有将四面的背景分别设定表达感到遗憾。Projectby20126154；20126153；20126155大作业Page3如果要重新做一遍，我会选择学习并使用纹理的表现，这个功能的优点是能够使事物表现更为逼真。这门课程让我对CG这门学科有了最基本的认识和学习，希望以后有机会可以多加接触。Appendix：#includeGL/glew.h#includeGL/glut.h#includeGL/gl.h#includeiostreamusingstd::cout;#define_USE_MATH_DEFINES#includemath.hdoublerotate_y=-15;//定义键盘控制旋转X轴，默认-5度doublerotate_x=-15;//定义键盘控制旋转Y轴，默认0度GLfloatw=800;GLfloath=600;GLfloatanglePyramid=0.0f;GLfloatangleCube=0.0f;voiddisplay(void){glClear(GL_COLOR_BUFFER_BIT|GL_DEPTH_BUFFER_BIT);glMatrixMode(GL_MODELVIEW);glLoadIdentity();glTranslatef(0.0f,-100.0f,0.0f);//(左，上，前）glScalef(100,100,100);//放大图像(也可以更改点的数据来达到此效果)//Rotate语句：（旋转度数，X，Y，Z）//延X，Y，Z轴旋转//太阳（不能动）glColor3f(1.0,0.0,0.0);glPushMatrix();glTranslatef(-5.0,5.0,5.0);glutSolidSphere(1.5,20,20);glPopMatrix();glRotatef(rotate_x,1.0,0.0,0.0);glRotatef(rotate_y,0.0,1.0,0.0);/*//太阳（可以动）glColor3f(1.0,0.0,0.0);glPushMatrix();glTranslatef(-5.0,5.0,5.0);glutSolidSphere(1.5,20,20);glPopMatrix();Projectby20126154；20126153；20126155大作业Page4*///房子的两部分公用一个坐标系，屏幕远向近为Z轴，由下向上是Y轴，由左向右是X轴/*房顶*///顶glBegin(GL_QUADS);glColor3f(0.0f,0.0f,0.502f);glVertex3f(2.05f,3.5f,0.0f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(2.05f,3.5f,0.0f);//底glColor3f(0.0f,0.0f,0.502f);glVertex3f(3.5f,1.5f,2.5f);glVertex3f(-3.5f,1.5f,2.5f);glVertex3f(-3.5f,1.5f,-2.5f);glVertex3f(3.5f,1.5f,-2.5f);//前glColor3f(0.0f,0.0f,0.502f);glVertex3f(2.05f,3.5f,0.0f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(-3.5f,1.5f,2.5f);glVertex3f(3.5f,1.5f,2.5f);//后glColor3f(0.0f,0.0f,0.502f);glVertex3f(3.5f,1.5f,-2.5f);glVertex3f(-3.5f,1.5f,-2.5f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(2.05f,3.5f,0.0f);//左glColor3f(0.0f,0.0f,0.502f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(-2.05f,3.5f,0.0f);glVertex3f(-3.5f,1.5f,-2.5f);glVertex3f(-3.5f,1.5f,2.5f);//右glColor3f(0.0f,0.0f,0.502f);glVertex3f(2.05f,3.5f,0.0f);glVertex3f(2.05f,3.5f,0.0f);glVertex3f(3.5f,1.5f,2.5f);glVertex3f(3.5f,1.5f,-2.5f);glEnd();/*烟囱*///顶glBegin(GL_QUADS);glColor3f(0.502f,0.0f,0.0f);glVertex3f(3.0f,4.0f,-1.0f);Projectby20126154；20126153；20126155大作业Page5glVertex3f(2.0f,4.0f,-1.0f);glVertex3f(2.0f,4.0f,1.0f);glVertex3f(3.0f,4.0f,1.0f);//底glColor3f(0.502f,0.0f,0.0f);glVertex3f(3.0f,2.0f,1.0f);glVertex3f(2.0f,2.0f,1.0f);glVertex3f(2.0f,2.0f,-1.0f);glVertex3f(3.0f,2.0f,-1.0f);//前glColor3f(0.502f,0.0f,0.0f);glVertex3f(3.0f,4.0f,1.0f);glVertex3f(2.0f,4.0f,1.0f);glVertex3f(2.0f,2.0f,1.0f);glVertex3f(3.0f,2.0f,1.0f);//后glColor3f(0.502f,0.0f,0.0f);glVertex3f(3.0f,2.0f,-1.0f);glVertex3f(2.0f,2.0f,-1.0f);glVertex3f(2.0f,4.0f,-1.0f);glVertex3f(3.0f,4.0f,-1.0f);//左glColor3f(0.502f,0.0f,0.0f);glVertex3f(2.0f,4.0f,1.0f);glVertex3f(2.0f,4.0f,-1.0f);glVertex3f(2.0f,2.0f,-1.0f);glVertex3f(2.0f,2.0f,1.0f);//右glColor3f(0.502f,0.0f,0.0f);glVertex3f(3.0f,4.0f,-1.0f);glVertex3f(3.0f,4.0f,1.0f);glVertex3f(3.0f,2.0f,1.0f);glVertex3f(3.0f,2.0f,-1.0f);glEnd();/*屋子*///顶glBegin(GL_QUADS);glColor3f(1.0f,0.0f,0.0f);glVertex3f(2.0f,1.5f,-1.5f);glVertex3f(-2.0f,1.5f,-1.5f);glVertex3f(-2.0f,1.5f,1.5f);glVertex3f(2.0f,1.5f,1.5f);//底glColor3f(1.0f,0.0f,0.0f);glVertex3f(2.0f,-0.5f,1.5f);glVertex3f(-2.0f,-0.5f,1.5f);glVertex3f(-2.0f,-0.5f,-1.5f);glVertex3f(2.0f,-0.5f,-1.5f);Projectby20126154；20126153；20126155大作业Page6//门glColor3f(0.0f,0.0f,1.0f);glVertex3f(0.5,1.0,-1.51);glVertex3f(-0.5,1.0,-1.51);glVertex3f(