src/model/GameModel.java - master - alex_ep0411/java_lab2

src/model/GameModel.java
99 строк3 KB
александр
лабораторная работа 2
08 июн 2026, 13:18
08 июн 2026, 13:186f466e8
package model;

import javafx.beans.property.*;
import javafx.geometry.Point2D;
import java.util.Timer;
import java.util.TimerTask;

public class GameModel {
    public IntegerProperty scoreProperty = new SimpleIntegerProperty(0);
    public BooleanProperty gameActiveProperty = new SimpleBooleanProperty(true);
    public IntegerProperty ballSpeedProperty = new SimpleIntegerProperty(20);
    public ObjectProperty<Point2D> ballPosition = new SimpleObjectProperty<>(new Point2D(400, 300));

    public Timer timer;
    private TimerTask task;

    private double dx = 0.8;
    private double dy = 0.8;
    private double width = 800;
    private double height = 600;
    private int radius = 30;

    public GameModel() {
        startTimer();
    }

    private void startTimer() {
        if (timer != null) timer.cancel();
        timer = new Timer(true);
        task = new TimerTask() {
            @Override
            public void run() {
                javafx.application.Platform.runLater(() -> move());
            }
        };
        timer.schedule(task, 0, ballSpeedProperty.get());
    }

    public void restartTimer() {
        startTimer();
    }

    public void move() {
        if (!gameActiveProperty.get()) return;

        Point2D pos = ballPosition.get();
        double newX = pos.getX() + dx;
        double newY = pos.getY() + dy;

        if (newX < radius) { newX = radius; dx = -dx; }
        if (newX > width - radius) { newX = width - radius; dx = -dx; }
        if (newY < radius) { newY = radius; dy = -dy; }
        if (newY > height - radius) { newY = height - radius; dy = -dy; }

        ballPosition.set(new Point2D(newX, newY));
    }

    public void hit() {
        if (gameActiveProperty.get()) {
            scoreProperty.set(scoreProperty.get() + 1);
        }
    }

    public void reset() {
        scoreProperty.set(0);
        gameActiveProperty.set(true);
        ballPosition.set(new Point2D(width / 2, height / 2));
        dx = 0.8;
        dy = 0.8;
        restartTimer();
    }

    public void setSize(double w, double h) {
        width = w;
        height = h;
    }

    public void runFromCursor(double mx, double my) {
        if (!gameActiveProperty.get()) return;

        Point2D pos = ballPosition.get();
        double dxToBall = pos.getX() - mx;
        double dyToBall = pos.getY() - my;
        double dist = Math.sqrt(dxToBall*dxToBall + dyToBall*dyToBall);

        if (dist < 100 && dist > 0) {
            double force = (100 - dist) / 200;
            dx = dx + (dxToBall / dist) * force * 0.3;
            dy = dy + (dyToBall / dist) * force * 0.3;

            double maxSpeed = 2.0;
            double mag = Math.sqrt(dx*dx + dy*dy);
            if (mag > maxSpeed) {
                dx = dx / mag * maxSpeed;
                dy = dy / mag * maxSpeed;
            }
        }
    }
}