From 3fdb16964650be8cbf76426ca17a640d220fe0d7 Mon Sep 17 00:00:00 2001
From: jez04 <david.jezek@post.cz>
Date: Mon, 7 Oct 2024 03:00:54 +0200
Subject: [PATCH] feat: solution
---
src/main/java/lab/BulletAnimated.java | 6 +
src/main/java/lab/Ufo.java | 50 ++++++++
src/main/java/lab/World.java | 18 +++
src/main/resources/lab/ufo-small.gif | Bin 0 -> 6370 bytes
src/main/resources/lab/ufo.gif | Bin 0 -> 37038 bytes
.../structure/test/ClassStructureTest.java | 117 ++++++++++++++++++
6 files changed, 191 insertions(+)
create mode 100644 src/main/java/lab/Ufo.java
create mode 100644 src/main/resources/lab/ufo-small.gif
create mode 100644 src/main/resources/lab/ufo.gif
create mode 100644 src/test/java/jez04/structure/test/ClassStructureTest.java
diff --git a/src/main/java/lab/BulletAnimated.java b/src/main/java/lab/BulletAnimated.java
index 02b9a32..cc7d236 100644
--- a/src/main/java/lab/BulletAnimated.java
+++ b/src/main/java/lab/BulletAnimated.java
@@ -1,6 +1,7 @@
package lab;
import javafx.geometry.Point2D;
+import javafx.geometry.Rectangle2D;
import javafx.scene.canvas.GraphicsContext;
import javafx.scene.image.Image;
@@ -19,6 +20,7 @@ public class BulletAnimated {
public void draw(GraphicsContext gc) {
gc.drawImage(image, getPosition().getX(), getPosition().getY(), SIZE, SIZE);
+ gc.strokeRect(position.getX(), position.getY(), SIZE, SIZE);
}
private final Point2D acceleration;
@@ -35,4 +37,8 @@ public class BulletAnimated {
return position;
}
+ public Rectangle2D getBoundingBox() {
+ return new Rectangle2D(position.getX(), position.getY(), SIZE,SIZE);
+ }
+
}
diff --git a/src/main/java/lab/Ufo.java b/src/main/java/lab/Ufo.java
new file mode 100644
index 0000000..472c4f1
--- /dev/null
+++ b/src/main/java/lab/Ufo.java
@@ -0,0 +1,50 @@
+package lab;
+
+import java.util.Random;
+
+import javafx.geometry.Point2D;
+import javafx.geometry.Rectangle2D;
+import javafx.scene.canvas.GraphicsContext;
+import javafx.scene.image.Image;
+
+public class Ufo {
+
+ private static final Random RANDOM = new Random();
+ private Image image = new Image(this.getClass().getResourceAsStream("ufo-small.gif"));
+ private final World world;
+ private Point2D position;
+ private Point2D velocity;
+
+ public Ufo(World world) {
+ this(world,
+ new Point2D(RANDOM.nextDouble(world.getWidth()),
+ RANDOM.nextDouble(0, world.getHeight()*0.3)),
+ new Point2D(RANDOM.nextDouble(70, 150), 0));
+ }
+
+ public Ufo(World world, Point2D position, Point2D velocity) {
+ this.world = world;
+ this.position = position;
+ this.velocity = velocity;
+ }
+
+ public void draw(GraphicsContext gc) {
+ gc.drawImage(image, getPosition().getX(), getPosition().getY());
+ }
+
+ public void changeDirection(){
+ velocity = velocity.multiply(-1);
+ }
+ public void simulate(double deltaT) {
+ position = position.add(velocity.multiply(deltaT));
+ position = new Point2D(position.getX()%world.getWidth(), position.getY());
+ }
+
+ protected Point2D getPosition() {
+ return position;
+ }
+
+ public Rectangle2D getBoundingBox() {
+ return new Rectangle2D(position.getX(), position.getY(), image.getWidth(), image.getHeight());
+ }
+}
diff --git a/src/main/java/lab/World.java b/src/main/java/lab/World.java
index 3417a42..6abd918 100644
--- a/src/main/java/lab/World.java
+++ b/src/main/java/lab/World.java
@@ -1,5 +1,7 @@
package lab;
+import java.util.Iterator;
+
import javafx.geometry.Point2D;
import javafx.scene.canvas.GraphicsContext;
@@ -12,6 +14,7 @@ public class World {
private final Bullet bullet;
private final BulletAnimated bullet2;
private final Cannon cannon;
+ private Ufo[] ufos;
public World(double width, double height) {
this.width = width;
@@ -19,6 +22,10 @@ public class World {
bullet = new Bullet(this, new Point2D(0, height), new Point2D(30, -30), new Point2D(0, 9.81));
bullet2 = new BulletAnimated(this, new Point2D(0, height), new Point2D(50, -80), new Point2D(0, 9.81));
cannon = new Cannon(this, new Point2D(0, height-20), -45);
+ ufos = new Ufo[5];
+ for (int i = 0; i < ufos.length; i++) {
+ ufos[i] = new Ufo(this);
+ }
}
public void draw(GraphicsContext gc) {
@@ -28,6 +35,9 @@ public class World {
bullet.draw(gc);
bullet2.draw(gc);
cannon.draw(gc);
+ for (int i = 0; i < ufos.length; i++) {
+ ufos[i].draw(gc);
+ }
gc.restore();
}
@@ -35,6 +45,14 @@ public class World {
bullet.simulate(deltaT);
bullet2.simulate(deltaT);
cannon.simulate(deltaT);
+ for (int i = 0; i < ufos.length; i++) {
+ ufos[i].simulate(deltaT);
+ }
+ for (Ufo ufo : ufos) {
+ if(ufo.getBoundingBox().intersects(bullet2.getBoundingBox())) {
+ ufo.changeDirection();
+ }
+ }
}
public double getWidth() {
diff --git a/src/main/resources/lab/ufo-small.gif b/src/main/resources/lab/ufo-small.gif
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diff --git a/src/main/resources/lab/ufo.gif b/src/main/resources/lab/ufo.gif
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diff --git a/src/test/java/jez04/structure/test/ClassStructureTest.java b/src/test/java/jez04/structure/test/ClassStructureTest.java
new file mode 100644
index 0000000..ac5f14c
--- /dev/null
+++ b/src/test/java/jez04/structure/test/ClassStructureTest.java
@@ -0,0 +1,117 @@
+package jez04.structure.test;
+
+import static org.junit.jupiter.api.Assertions.assertNotNull;
+import static org.junit.jupiter.api.Assertions.assertTrue;
+
+import java.lang.reflect.Constructor;
+import java.lang.reflect.Field;
+import java.lang.reflect.Method;
+import java.util.Arrays;
+import java.util.HashSet;
+import java.util.List;
+import java.util.Set;
+
+import org.junit.jupiter.api.Test;
+import org.reflections.Configuration;
+import org.reflections.Reflections;
+import org.reflections.scanners.Scanners;
+import org.reflections.util.ConfigurationBuilder;
+
+import javafx.geometry.Rectangle2D;
+
+class ClassStructureTest {
+
+ @Test
+ void ufoClassEexistanceTest() {
+ Set<String> allClasses = getNameOfAllClasses();
+ assertTrue(allClasses.stream().anyMatch(c -> c.endsWith("Ufo")), "Class Ufo not found");
+ }
+
+ @Test
+ void ufoClassPropertiesTest() {
+ Set<String> allClasses = getNameOfAllClasses();
+ String ufoClassName = allClasses.stream().filter(c -> c.endsWith("Ufo")).findAny().orElse(null);
+ assertNotNull(ufoClassName, "Class Ufo not found");
+ try {
+ Class<?> ufoClass = Class.forName(ufoClassName);
+ List<Method> methods = Arrays.asList(ufoClass.getMethods());
+ assertTrue(methods.stream().anyMatch(m -> m.getName().contains("draw")), "No method draw");
+ assertTrue(methods.stream().anyMatch(m -> m.getName().contains("simulate")), "No method simulate");
+ assertTrue(methods.stream().anyMatch(m -> m.getName().contains("getBoundingBox")),
+ "No method getBoundingBox");
+ assertTrue(
+ methods.stream().filter(m -> m.getName().contains("getBoundingBox"))
+ .anyMatch(m -> m.getReturnType().equals(Rectangle2D.class)),
+ "Method getBoundingBox not return Rectangle2D");
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Test
+ void worldClassPropertyTest() {
+ Set<String> allClasses = getNameOfAllClasses();
+ String ufoClassName = allClasses.stream().filter(c -> c.endsWith("Ufo")).findAny().orElse(null);
+ String worldClassName = allClasses.stream().filter(c -> c.endsWith("World")).findAny().orElse(null);
+ assertNotNull(worldClassName, "Class World not found");
+ try {
+ Class<?> worldClass = Class.forName(worldClassName);
+ List<Field> fields = Arrays.asList(worldClass.getDeclaredFields());
+ Class<?> ufoClass = Class.forName(ufoClassName);
+ assertTrue(
+ fields.stream()
+ .anyMatch(f -> f.getType().isArray() && f.getType().getComponentType().equals(ufoClass)),
+ "No array of Ufo in World class");
+ } catch (ClassNotFoundException e) {
+ e.printStackTrace();
+ }
+ }
+
+ @Test
+ void drawingClassExistenceTest() {
+ Set<String> allClasses = getNameOfAllClasses();
+ int detectedClassCount = 0;
+ for (String className : allClasses) {
+ try {
+ Class<?> clazz = Class.forName(className);
+ List<Constructor<?>> constructorList = Arrays.asList(clazz.getConstructors());
+ List<Method> methodList = Arrays.asList(clazz.getMethods());
+ long drawMethodCount = methodList.stream().filter(m -> m.getName().contains("draw")).count();
+ long simulateMethodCount = methodList.stream().filter(m -> m.getName().contains("sim")).count();
+ if (!constructorList.isEmpty() && (drawMethodCount > 0 || simulateMethodCount > 0)) {
+ System.out.println("DETECT:" + className);
+ detectedClassCount++;
+ }
+ } catch (ClassNotFoundException e) {
+ System.out.println(String.format("Class '%s' cannot be loaded: %s", className, e.getMessage()));
+ }
+ }
+ assertTrue(detectedClassCount >= 2, "");
+ }
+
+ private Set<String> getNameOfAllClasses() {
+ List<String> initClassesName = Arrays.asList("lab.Routines", "lab.App", "lab.DrawingThread");
+ for (String className : initClassesName) {
+ try {
+ Class.forName(className);
+ } catch (ClassNotFoundException e) {
+ System.out.println(String.format("Class '%s' cannot be loaded: %s", className, e.getMessage()));
+ }
+ }
+ Set<String> allClasses = new HashSet<>();
+ for (Package p : Package.getPackages()) {
+ if (p.getName().startsWith("java.") || p.getName().startsWith("com.") || p.getName().startsWith("jdk.")
+ || p.getName().startsWith("javafx.") || p.getName().startsWith("org.")
+ || p.getName().startsWith("sun.") || p.getName().startsWith("javax.")
+ || p.getName().startsWith("javassist")) {
+ continue;
+ }
+ System.out.println(p.getName());
+ Configuration conf = new ConfigurationBuilder().addScanners(Scanners.SubTypes.filterResultsBy(pc -> true))
+ .forPackages(p.getName());
+ Reflections reflections = new Reflections(conf);
+ allClasses.addAll(reflections.getAll(Scanners.SubTypes.filterResultsBy(c -> true)));
+ }
+ return allClasses;
+ }
+}
--
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