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/*
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* Copyright © 2014 TAKAHASHI,Toru
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*/
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package analogclocksvg;
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import java.net.URL;
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import java.time.LocalTime;
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import java.util.ResourceBundle;
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import javafx.animation.Animation;
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import javafx.animation.Interpolator;
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import javafx.animation.RotateTransition;
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import javafx.fxml.FXML;
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import javafx.fxml.Initializable;
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import javafx.geometry.Bounds;
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import javafx.scene.Node;
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import javafx.scene.shape.SVGPath;
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import javafx.scene.transform.Translate;
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import javafx.util.Duration;
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/**
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*
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* @author TAKAHASHI,Toru
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*/
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public class AnalogClockController implements Initializable {
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@FXML
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private SVGPath hourHand;
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@FXML
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private SVGPath minuteHand;
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@FXML
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private SVGPath secondHand;
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@Override
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public void initialize(URL url, ResourceBundle rb) {
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LocalTime now = LocalTime.now();
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RotateTransition secondTransition = createRotateTransition(
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Duration.seconds(60), secondHand, getSecondAngle(now), 360d, 100d, 100d
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);
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secondTransition.play();
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RotateTransition minuteTransition = createRotateTransition(
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Duration.minutes(60), minuteHand, getMinuteAgnel(now), 360d, 100d, 100d
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);
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minuteTransition.play();
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RotateTransition hourTransition = createRotateTransition(
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Duration.hours(12), hourHand, getHourAngle(now), 360d, 100d, 100d
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);
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hourTransition.play();
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}
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/**
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* node の回転中心を、(pivotX, pivotY)とし、回転時間をduration、回転開始角度をfromAngle、回転終了角度をbyAngleとした
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* RotateTransitionを作成する。
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* <p>
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* nodeのデフォルトの回転中心は BoundsInLocalの中心なので、（要確認）
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*
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* @param duration 1回の回転に要する時間
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* @param node 回転対象ノード
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* @param fromAngle 回転開始角度
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* @param byAngle 回転終了角度
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* @param pivotX 回転中心のX座標
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* @param pivotY 回転中心のY座標
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* @return 指定した回転中心位置、ノード、回転開始・終了角度で回転するRotateTransitionインスタンス
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*/
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private RotateTransition createRotateTransition(Duration duration, Node node, double fromAngle, double byAngle, double pivotX, double pivotY) {
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Bounds bounds = node.getBoundsInLocal();
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double defaultPivotX = (bounds.getMinX() + bounds.getMaxX()) / 2d;
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double defaultPivotY = (bounds.getMinY() + bounds.getMaxY()) / 2d;
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double translateX = defaultPivotX - pivotX;
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double translateY = defaultPivotY - pivotY;
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node.getTransforms().add(new Translate(translateX, translateY));
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node.setTranslateX(-translateX);
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node.setTranslateY(-translateY);
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RotateTransition rt = new RotateTransition(duration, node);
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rt.setFromAngle(fromAngle);
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rt.setByAngle(byAngle);
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rt.setCycleCount(Animation.INDEFINITE);
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rt.setInterpolator(Interpolator.LINEAR);
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return rt;
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}
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int getSecondAngle(LocalTime time) {
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return time.getSecond() * 360 / 60;
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}
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int getMinuteAgnel(LocalTime time) {
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return (int) ((time.getMinute() + time.getSecond() / 60d) * 360 / 60);
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}
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int getHourAngle(LocalTime time) {
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return (int) ((time.getHour() % 12 + time.getMinute() / 60d + time.getSecond() / 3600d) * 360 / 12);
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}
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}
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