武漢理工大學(xué)-c圖形學(xué)實(shí)驗(yàn)報(bào)告-中國(guó)好學(xué)長(zhǎng)系列之小灰灰的爸爸

1、學(xué) 號(hào)成 績(jī)計(jì)算機(jī)圖形學(xué)基礎(chǔ)大作業(yè)課 程 名 稱(chēng)計(jì)算機(jī)圖形學(xué)基礎(chǔ)開(kāi) 課 學(xué) 院計(jì)算機(jī)科學(xué)與技術(shù)學(xué)院指導(dǎo)教師姓名佘名高學(xué) 生 姓 名小灰灰的爸爸學(xué)生專(zhuān)業(yè)班級(jí)中國(guó)好學(xué)長(zhǎng)系列2013-2014 學(xué)年 第 一 學(xué)期 一、根據(jù)Bresenham直線(xiàn)繪制算法，實(shí)現(xiàn)直線(xiàn)的繪制。1.基本論述2.算法 3.程序源代碼#include <graphics.h>#include <conio.h >#include <math.h>#include <iostream.h>void main()int gd=DETECT,gm; initgraph(&gd,&

2、amp;gm,"");cleardevice();int x,y;int X,Y; int x1=10,y1=10;int x2=500,y2=500;int dx=fabs(x2-x1),dy=fabs(y2-y1);int d=2*dy-dx;if (x1>x2)x=x2;y=y2;X=x1;Y=y1;elsex=x1;y=y1;X=x2;Y=y2;while (x<X)x=x+1;if(d<0)d=d+2*dy;elsey=y+1;d=d+2*(dy-dx);putpixel(x,y,WHITE);getch();closegraph();4.程序運(yùn)

3、行截圖5. 小結(jié)二、用C語(yǔ)言編寫(xiě)：畫(huà)y=sin(x)的圖形（要求畫(huà)出-2，2的圖形及笛卡爾坐標(biāo)）1.基本論述2.算法3.程序源代碼#include<iostream.h>#include<graphics.h>#include<math.h>#include<conio.h>void main()int gd=DETECT,gm; initgraph(&gd,&gm,"");cleardevice();float x,y,del,d;int a,b;a=getmaxx()/2;b=getmaxy()/2;lin

4、e(a,0,a-10,10);line(a,0,a+10,10);line(2*a,b,2*a-10,b-10);line(2*a,b,2*a-10,b+10);line(0,b,2*a,b);line(a,0,a,2*b);outtextxy(a+5,b+5,"0");outtextxy(2*a-15,b+5,"x");outtextxy(a+5,15,"y");outtextxy(a+20*3.14-10,b+5,"/2");outtextxy(a+40*3.14-5,b+5,"");out

5、textxy(a+60*3.14-15,b+5,"3/2");outtextxy(a+80*3.14-10,b+5,"2");outtextxy(a-20*3.14-10,b+5,"-/2");outtextxy(a-40*3.14-10,b+5,"-");outtextxy(a-60*3.14-15,b+5,"-3/2");outtextxy(a-80*3.14-10,b+5,"-2");outtextxy(a-10,b-90,"1");outtextx

6、y(a-10,b-180,"2");outtextxy(a-15,b+90,"-1");d=2*3.1416;del=0.001;for(x=-d;x<=d;x+=del)y=sin(x);putpixel(x*40+a,-y*80+b,WHITE);getch();closegraph();4.程序運(yùn)行截圖5.小結(jié)三、用C語(yǔ)言編寫(xiě)一個(gè)小圓沿著大圓運(yùn)動(dòng)的程序。1.基本論述2.算法3.程序源代碼#include<iostream.h>#include<graphics.h>#include<conio.h>#include<math.h>void main()int gd=DETECT,gm; initgraph(&gd,&gm,"");cleardevice();float x=0;int l=getmaxx()/2;int h=getmaxy()/2;for(;)circle(l,h,100);circle(l+100*cos(x),h+100*sin(x),30);x+=0.05;Sleep(50);cleardevi