绘制余弦曲线

/*
绘制余弦曲线
*/

public class Cosine {
public static void main(String[] args) {
double y;
int x, m;
/*
for(y=1; y>=-1; y-=0.1) {
System.out.print((int)(Math.acos(y) * 100) + ",");
}
System.out.println();
for(y=1; y>=-1; y-=0.1) { //y为列方向，值从1到-1，步长为0.1
m = (int)(Math.acos(y) * 10); //j计算y对应的弧度m，乘10为图形放大倍数
// System.out.print(m + ", ");
for(x=1; x<m; x++) {
System.out.print(" ");
}
System.out.print("*"); //控制打印左侧的*号
for(; x<62-m; x++) {
System.out.print(" ");
}
System.out.println("*"); //控制打印同一行中对应的右侧的*号
}
*/
//绘制正弦曲线
// for(y=1; y>=-1; y-=0.1) System.out.print((int)(Math.asin(y) * 100) + ",");
for(y=1; y>=0; y-=0.1) {
m = (int)(Math.asin(y) * 10);
// System.out.println(m);
for(x=1; x<m; x++) System.out.print(" ");
System.out.print("*");
for(; x<31-m; x++) System.out.print(" ");
System.out.println("*");
}
for(y=0; y>=-1; y-=0.1) {
m = -(int) (Math.asin(y) * 10);
for(x=0; x<32+m ; x++) System.out.print(" ");
System.out.print("*");
for(; x<62-m; x++) System.out.print(" ");
System.out.println("*");
}
}
}