package test.circle;public class MyTestCircle {
double x, y, radii; /**
* 定义圆
*/
public MyTestCircle(double x, double y, double radii) {
this.x = x;
this.y = y;
this.radii = radii;
} /**
* 判断是否包含
*/
public boolean contains(double _x, double _y) {
if ((_x - x) * (_x - x) + (_y - y) * (_y - y) > radii * radii) {
return false;
}
return true;
}
}
double x, y, radii; /**
* 定义圆
*/
public MyTestCircle(double x, double y, double radii) {
this.x = x;
this.y = y;
this.radii = radii;
} /**
* 判断是否包含
*/
public boolean contains(double _x, double _y) {
if ((_x - x) * (_x - x) + (_y - y) * (_y - y) > radii * radii) {
return false;
}
return true;
}
}
如果在圆内的话就是这样了 圆上就==