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Verified Commit f93d74f5 authored by Jan Kožusznik's avatar Jan Kožusznik
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Java 17

DrawingThread.
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......@@ -3,24 +3,24 @@
xsi:schemaLocation="http://maven.apache.org/POM/4.0.0 http://maven.apache.org/maven-v4_0_0.xsd">
<modelVersion>4.0.0</modelVersion>
<groupId>vsb-cs-java1</groupId>
<artifactId>lab06</artifactId>
<artifactId>lab08</artifactId>
<version>0.0.1-SNAPHOST</version>
<packaging>jar</packaging>
<properties>
<project.build.sourceEncoding>UTF-8</project.build.sourceEncoding>
<maven.compiler.source>11</maven.compiler.source>
<maven.compiler.target>11</maven.compiler.target>
<maven.compiler.source>17</maven.compiler.source>
<maven.compiler.target>17</maven.compiler.target>
</properties>
<dependencies>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-controls</artifactId>
<version>11</version>
<version>17.0.2</version>
</dependency>
<dependency>
<groupId>org.openjfx</groupId>
<artifactId>javafx-fxml</artifactId>
<version>11</version>
<version>17.0.2</version>
</dependency>
<!-- https://mvnrepository.com/artifact/org.junit.jupiter/junit-jupiter-api -->
<dependency>
......
package lab;
import javafx.animation.AnimationTimer;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
public class DrawingThread extends AnimationTimer {
private final Canvas canvas;
private final GraphicsContext gc;
private final World world;
private long lasttime = -1;
public DrawingThread(Canvas canvas, World world) {
this.canvas = canvas;
this.gc = canvas.getGraphicsContext2D();
this.world = world;
}
/**
* Draws objects into the canvas. Put you code here.
*/
@Override
public void handle(long now) {
gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
world.draw(gc);
if (lasttime > 0) {
//time are in nanoseconds and method simulate expects seconds
world.simulate((now - lasttime) / 1e9);
}
lasttime = now;
}
}
......@@ -60,7 +60,7 @@ public class GameController {
this.world = new World(canvas.getWidth(), canvas.getHeight());
this.world.setGameListener(new GameListenerImpl());
//Draw scene on a separate thread to avoid blocking UI.
animationTimer = new AnimationTimerImpl();
animationTimer = new DrawingThread(canvas, world);
angleSlider.valueProperty().addListener(this::angleChanged);
world.setCannonAngle(angleSlider.getValue());
......@@ -74,10 +74,6 @@ public class GameController {
animationTimer.stop();
}
private void drawScene(double deltaT) {
world.draw(canvas);
world.simulate(deltaT);
}
@FXML
private void firePressed() {
......@@ -139,20 +135,6 @@ public class GameController {
scoreList.setItems(FXCollections.observableList(highScores));
}
private final class AnimationTimerImpl extends AnimationTimer {
private Long previous;
@Override
public void handle(long now) {
if (previous == null) {
previous = now;
} else {
drawScene((now - previous)/1e9);
previous = now;
}
}
}
private class GameListenerImpl implements GameListener {
@Override
......
......@@ -3,7 +3,6 @@ package lab;
import java.util.Random;
import javafx.geometry.Point2D;
import javafx.scene.canvas.Canvas;
import javafx.scene.canvas.GraphicsContext;
public class World {
......@@ -45,9 +44,8 @@ public class World {
return new Point2D(worldPoint.getX(), height - worldPoint.getY());
}
public void draw(Canvas canvas) {
GraphicsContext gc = canvas.getGraphicsContext2D();
gc.clearRect(0, 0, canvas.getWidth(), canvas.getHeight());
public void draw(GraphicsContext gc) {
gc.clearRect(0, 0, getWidth(), getHeight());
for(DrawableSimulable entity: entities) {
entity.draw(gc);
}
......
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