正弦波群

ZXBQ.CPP

// 正弦波群 ZXBQ.CPP 谢春 2001.1.1.

#include "point0.h" //包含自定义point.h函数
#include "point1.h"
#include "point2.h"
#include "point3.h" //包含自定义point.h函数
#include "point4.h"
#include "point5.h"
#include "math.h" //包含数学函数
#define PI 3.141596 //宏定义PI符号常量

void main() //主函数
{
int gdriver=DETECT,gmode; //定义整型变量gdriver,gmode
int b=8,bk=1,c,d,m,n,p,v,w;
float i,s=PI/9999,x,xa,y,yh;
registerbgidriver(EGAVGA_driver); //登记图形驱动程序(EGAVGA_driver)
initgraph(&gdriver,&gmode," "); //定义变量后,初始化图形系统

setbkcolor(bk);
cout<<"\n";
cout<<"\n";
cout<<"\n";
cout<<"\n";
cout<<" Ｃ＋＋语言 图形程序设计\n";
cout<<"\n";
cout<<" 彩色正弦波群演示\n";
cout<<" 线宽,颜色,位置,波峰数,背景,速度,方向循环变化\n";
cout<<"\n";
cout<<" 佛山职业技术学院\n";
cout<<" 计算机及应用984 课程设计\n";
cout<<" 2001.1.1.\n";
cout<<"\n";
cout<<"\n";
cout<<"\n";
cout<<" 按任意键开始演示\n";
cout<<" 水平正弦波群!\n";
getch(); //按任意键继续
cleardevice();

// 1. 水平正弦波群
// 线宽,颜色,位置,波峰数,背景,速度,方向循环变化
n=-1;
for(m=1;m<6;m++) //波峰数m: 1,2,3,4,5
{ n+=2; //半波数n: 1,3,5,7,9
v=n*n; //速度v:1,9,25,49,81,121
yh=40;
bk=m; //背景颜色bk:1,2,3,4,5
setbkcolor(bk);
for(d=1;d<6;d++) //正弦波群段d:1,2,3,4,5,6
{
for(p=0;p<6;p++) //point0.h, ...... point5.h
{
w=1+2*p; //线宽w:1,3,5,7,9,11
c=14-p; //颜色c:14,13,12,11,10,9
yh=yh+w+b; //正弦波位置yh:49,60,73,......
switch(p)
{ case 0:
for(i=0;i<=n*PI;i+=v*s)
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point0 p(x,y,c); //线宽:1,颜色:黄
p.show();
}
break;

case 1:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point1 p(x,y,c); //线宽:3,颜色:洋红
p.show();
}
break;

case 2:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point2 p(x,y,c); //线宽:5,颜色:红
p.show();
}
break;

case 3:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point3 p(x,y,c); //线宽:7,颜色:11
p.show();
}
break;

case 4:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point4 p(x,y,c); //线宽:9,颜色:绿
p.show();
}
break;

case 5:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i;
y=yh-25*sin(i);
point5 p(x,y,c); //线宽11,颜色:蓝
p.show();
}
break;
}
}
}
cleardevice();
}

// 2. 垂直正弦波群
// 线宽,颜色,位置,波峰数,背景,速度,方向循环变化
cout<<" 按任意键开始演示\n";
cout<<" 垂直正弦波群!\n";
getch(); //按任意键继续
cleardevice();
cout<<" 循环\n";
cout<<" 变化\n";
cout<<"\n";
cout<<" 线宽\n";
cout<<" 颜色\n";
cout<<" 峰数\n";
cout<<" 位置\n";
cout<<" 幅值\n";
cout<<" 背景\n";
cout<<" 速度\n";
cout<<" 方向\n";

n=-1;
for(m=1;m<6;m++) //波峰数m: 1,2,3,4,5
{ n+=2; //半波数n: 1,3,5,7,9
v=n*n; //速度v:9,25,49,81,121
xa=80;
bk=m; //背景颜色bk:1,2,3,4,5
setbkcolor(bk);
for(d=1;d<6;d++) //正弦波群段d:1,2,3,4,5,6
{
for(p=0;p<6;p++) //point0.h, ...... point5.h
{ w=1+2*p; //线宽w:1,3,5,7,9,11
c=14-p; //颜色c:14,13,12,11,10,9
xa=xa+w+b; //正弦波位置xa:89,100,113......

switch(p)
{ case 0:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 1,3,5,7,9
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point0 p(x,y,c); //线宽:1,颜色:黄
p.show();
}
break;

case 1:
for(i=n*PI;i>=0;i-=v*s)
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point1 p(x,y,c); //线宽:3,颜色:洋红
p.show();
}
break;

case 2:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point2 p(x,y,c); //线宽:5,颜色:红
p.show();
}
break;

case 3:
for(i=n*PI;i>=0;i-=v*s)
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point3 p(x,y,c); //线宽:7,颜色:11
p.show();
}
break;

case 4:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point4 p(x,y,c); //线宽:9,颜色:绿
p.show();
}
break;

case 5:
for(i=n*PI;i>=0;i-=v*s)
{
y=480/(n*PI)*i;
x=xa-25*sin(i);
point5 p(x,y,c); //线宽11,颜色:蓝
p.show();
}
break;
}

}
}
cleardevice();
}

// 3. 水平,垂直正弦波群
// 线宽,颜色,位置,波峰数,背景,速度,方向循环变化
cout<<" 按任意键开始演示\n";
cout<<" 水平,垂直正弦波群!\n";
getch(); //按任意键继续
cleardevice();

n=-1;
for(m=1;m<6;m++) //波峰数m: 1,2,3,4,5
{ n+=2; //半波数n: 1,3,5,7,9
v=n*n; //速度v:9,25,49,81,121
yh=40;
xa=80;
bk=m; //背景颜色bk:1,2,3,4,5
setbkcolor(bk);
for(d=1;d<6;d++) //正弦波群段d:1,2,3,4,5,6
{
for(p=0;p<6;p++) //point0.h, ...... point5.h
{ w=1+2*p; //线宽w:1,3,5,7,9,11
c=14-p; //颜色c:14,13,12,11,10,9
yh=yh+w+b; //水平正弦波位置yh:49,60,73......
xa=xa+w+b; //垂直正弦波位置xa:89,100,113......

switch(p)
{
case 0:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 1,3,5,7,9
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point0 px(x,y,c); //线宽:1,颜色:黄
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point0 py(x,y,c); //线宽:1,颜色:黄
py.show();
}
break;

case 1:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point1 px(x,y,c); //线宽:3,颜色:洋红
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point1 py(x,y,c); //线宽:3,颜色:洋红
py.show();
}
break;

case 2:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point2 px(x,y,c); //线宽:5,颜色:红
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point2 py(x,y,c); //线宽:5,颜色:红
py.show();
}
break;

case 3:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point3 px(x,y,c); //线宽:7,颜色:11
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point3 py(x,y,c); //线宽:7,颜色:11
py.show();
}
break;

case 4:
for(i=0;i<=n*PI;i+=v*s) //半波数n: 3,5,7,9,11
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point4 px(x,y,c); //线宽:9,颜色:绿
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point4 py(x,y,c); //线宽:9,颜色:绿
py.show();
}
break;

case 5:
for(i=n*PI;i>=0;i-=v*s)
{
x=640/(n*PI)*i; //水平正弦波
y=yh-25*sin(i);
point5 px(x,y,c); //线宽:11,颜色:蓝
px.show();
y=480/(n*PI)*i; //垂直正弦波
x=xa-25*sin(i);
point5 py(x,y,c); //线宽:11,颜色:蓝
py.show();
}
break;
}

}
}
cleardevice();
}
cout<<" 按任意键退出演示\n";
cout<<" 正弦波群!\n";
getch(); //按任意键继续
closegraph(); //关闭图形模式返回字符模式
}