/**
* Does this interval equal the other interval?
* @param other the other interval
* @return true if this interval equals the other interval; false otherwise
*/
public boolean equals(Object other) {
if (other == this) return true;
if (other == null) return false;
if (other.getClass() != this.getClass()) return false;
Interval2D that = (Interval2D) other;
return this.x.equals(that.x) && this.y.equals(that.y);
}
/**
* Unit tests the {@code Interval2D} data type.
*
* @param args the command-line arguments
*/
public static void main(String[] args) {
double xmin = Double.parseDouble(args[0]);
double xmax = Double.parseDouble(args[1]);
double ymin = Double.parseDouble(args[2]);
double ymax = Double.parseDouble(args[3]);
int trials = Integer.parseInt(args[4]);
Interval1D xInterval = new Interval1D(xmin, xmax);
Interval1D yInterval = new Interval1D(ymin, ymax);
Interval2D box = new Interval2D(xInterval, yInterval);
box.draw();
Counter counter = new Counter("hits");
for (int t = 0; t < trials; t++) {
double x = StdRandom.uniform(0.0, 1.0);
double y = StdRandom.uniform(0.0, 1.0);
Point2D point = new Point2D(x, y);
if (box.contains(point)) counter.increment();
else point.draw();
}
StdOut.println(counter);
StdOut.printf("box area = %.2f\n", box.area());
}
/**
* Does this two-dimensional interval intersect that two-dimensional interval?
* @param that the other two-dimensional interval
* @return true if this two-dimensional interval intersects
* that two-dimensional interval; false otherwise
*/
public boolean intersects(Interval2D that) {
if (!this.x.intersects(that.x)) return false;
if (!this.y.intersects(that.y)) return false;
return true;
}
