HW #15 Clock Animation Pane

/*
 * Name: Lu Liu
 * Date: 4/15/2016
 * Course Number: CSC-112
 * Course Name: Intermediate Topics in Java Programming
 * Email: lliu0001@student.stcc.edu
 *
 * Assignment: HW # 15
 * Programe Description:
 * Clock Animation Pane
 */
package clockAnimation;

import java.time.Clock;
import java.util.Calendar;
import java.util.GregorianCalendar;

import javafx.animation.KeyFrame;
import javafx.animation.Timeline;
import javafx.application.Application;
import javafx.scene.Scene;
import javafx.scene.layout.Pane;
import javafx.scene.paint.Color;
import javafx.scene.shape.Circle;
import javafx.scene.shape.Line;
import javafx.scene.text.Text;
import javafx.stage.Stage;
import javafx.util.Duration;

public class ClockAnimate extends Pane {
    private int hour;
    private int minute;
    private int second;

    /** Construct a default clock with the current time */
    public ClockAnimate() {
        setCurrentTime();
    }

    /** Construct a clock with specified hour, minute, and second */
    public ClockAnimate(int hour, int minute, int second) {
        this.hour = hour;
        this.minute = minute;
        this.second = second;
    }

    /** Return hour */
    public int getHour() {
        return hour;
    }

    /** Set a new hour */
    public void setHour(int hour) {
        this.hour = hour;
        paintClock();
    }

    /** Return minute */
    public int getMinute() {
        return minute;
    }

    /** Set a new minute */
    public void setMinute(int minute) {
        this.minute = minute;
        paintClock();
    }

    /** Return second */
    public int getSecond() {
        return second;
    }

    /** Set a new second */
    public void setSecond(int second) {
        this.second = second;
        paintClock();
    }

    // public void runClock() {
    // tick();
    // paintClock();
    // }

    /* Set the current time for the clock */
    public void setCurrentTime() {
        // Construct a calendar for the current date and time
        Calendar calendar = new GregorianCalendar();
        // Set current hour, minute and second
        this.hour = calendar.get(Calendar.HOUR_OF_DAY);
        this.minute = calendar.get(Calendar.MINUTE);
        this.second = calendar.get(Calendar.SECOND);
        paintClock(); // Repaint the clock
    }

    /** Paint the clock */
    public void paintClock() {
        // Initialize clock parameters
        double clockRadius = Math.min(getWidth(), getHeight()) * 0.8 * 0.5;
        double centerX = getWidth() / 2;
        double centerY = getHeight() / 2;

        // Draw circle
        Circle circle = new Circle(centerX, centerY, clockRadius);
        circle.setFill(Color.WHITE);
        circle.setStroke(Color.BLACK);
        Text t1 = new Text(centerX - 5, centerY - clockRadius + 12, "12");
        Text t2 = new Text(centerX - clockRadius + 3, centerY + 5, "9");
        Text t3 = new Text(centerX + clockRadius - 10, centerY + 3, "3");
        Text t4 = new Text(centerX - 3, centerY + clockRadius - 3, "6");

        // Angle Calculations
        int totalNoOfSeconds = 3600 * (this.hour % 12) + 60 * this.minute + this.second;
        double hourAngle = ((double) totalNoOfSeconds / 3600.0) * 2.0 * Math.PI / 12.0;
        int minuteSeconds = 60 * this.minute + this.second;
        double minuteAngle = ((double) minuteSeconds / 60.0) * 2.0 * Math.PI / 60.0;
        int seconds = this.second;
        double secondAngle = ((double) seconds) * 2.0 * Math.PI / 60.0;

        // Draw second hand
        double sLength = clockRadius * 0.8;
        double secondX = centerX + sLength * Math.sin(secondAngle);
        double secondY = centerY - sLength * Math.cos(secondAngle);
        Line sLine = new Line(centerX, centerY, secondX, secondY);
        sLine.setStroke(Color.RED);

        // Draw minute hand
        double mLength = clockRadius * 0.65;
        double xMinute = centerX + mLength * Math.sin(minuteAngle);
        double minuteY = centerY - mLength * Math.cos(minuteAngle);
        Line mLine = new Line(centerX, centerY, xMinute, minuteY);
        mLine.setStroke(Color.BLUE);

        // Draw hour hand
        double hLength = clockRadius * 0.5;
        double hourX = centerX + hLength * Math.sin(hourAngle);
        double hourY = centerY - hLength * Math.cos(hourAngle);
        Line hLine = new Line(centerX, centerY, hourX, hourY);
        hLine.setStroke(Color.GREEN);

        getChildren().clear();
        getChildren().addAll(circle, t1, t2, t3, t4, sLine, mLine, hLine);
    }

    @Override
    public void setWidth(double width) {
        super.setWidth(width);
        paintClock();
    }

    @Override
    public void setHeight(double height) {
        super.setHeight(height);
        paintClock();
    }

    public void tick() {
        this.second += 1;
        if (this.second >= 60) {
            this.second = 0;
            this.minute++;
            if (this.minute >= 60) {
                this.minute = 0;
                this.hour++;
                if (hour >= 13)
                    this.hour %= 12;
            }
        }
        paintClock();
    }
}