mirror of
https://github.com/michaelrausch/Party-Parrots-At-Sea.git
synced 2026-05-09 14:28:43 +00:00
Kusal Ekanayake
88 lines
3.2 KiB
Java
88 lines
3.2 KiB
Java
package seng302.models;
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import javafx.geometry.Point2D;
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import javafx.scene.Group;
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/**
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* RaceObject defines the behaviour that animated objects whose position is updated from a yacht race data stream must
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* adhere to.
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*/
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public abstract class RaceObject extends Group {
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//Time between sections of race
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protected static double expectedUpdateInterval = 200;
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protected double rotationalGoal;
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protected double currentRotation;
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protected double rotationalVelocity;
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protected double pixelVelocityX;
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protected double pixelVelocityY;
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public Point2D getPosition () {
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return new Point2D(super.getLayoutX(), getLayoutY());
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}
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public static double getExpectedUpdateInterval() {
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return expectedUpdateInterval;
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}
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/**
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*
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*/
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public static void setExpectedUpdateInterval(double expectedUpdateInterval) {
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RaceObject.expectedUpdateInterval = expectedUpdateInterval;
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}
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/**
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* Calculates the rotational velocity required to reach the rotationalGoal from the currentRotation.
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*/
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protected void calculateRotationalVelocity () {
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if (Math.abs(rotationalGoal - currentRotation) > 180) {
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if (rotationalGoal - currentRotation >= 0) {
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this.rotationalVelocity = ((rotationalGoal - currentRotation) - 360) / expectedUpdateInterval;
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} else {
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this.rotationalVelocity = (360 + (rotationalGoal - currentRotation)) / expectedUpdateInterval;
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}
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} else {
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this.rotationalVelocity = (rotationalGoal - currentRotation) / expectedUpdateInterval;
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}
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//Sometimes the rotation is too large to be realistic. In that case just do it instantly.
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if (Math.abs(rotationalVelocity) > 1) {
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rotationalVelocity = 0;
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rotateTo(rotationalGoal);
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}
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}
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/**
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* Sets the destination of everything within the RaceObject that has an ID in the array raceIds. The destination is
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* set to the co-ordinates (x, y) with the given rotation.
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* @param x X co-ordinate to move the graphics to.
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* @param y Y co-ordinate to move the graphics to.
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* @param rotation Rotation to move graphics to.
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* @param raceIds RaceID of the object to move.
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*/
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public abstract void setDestination (double x, double y, double rotation, double groundSpeed, int... raceIds);
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/**
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* Sets the destination of everything within the RaceObject that has an ID in the array raceIds. The destination is
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* set to the co-ordinates (x, y).
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* @param x X co-ordinate to move the graphic to.
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* @param y Y co-ordinate to move the graphic to.
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* @param raceIds RaceID to the object to move.
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*/
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public abstract void setDestination (double x, double y, double groundSpeed, int... raceIds);
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public abstract void updatePosition (long timeInterval);
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public abstract void moveTo (double x, double y, double rotation);
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public abstract void moveTo (double x, double y);
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public abstract void moveGroupBy(double x, double y, double rotation);
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public abstract void rotateTo (double rotation);
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public abstract boolean hasRaceId (int... raceIds);
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public abstract int[] getRaceIds ();
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}
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