Restore

PastAssignments/Assignment6/Assignment6_2230026071/Question3/.classpath

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+<?xml version="1.0" encoding="UTF-8"?>
+<classpath>
+	<classpathentry kind="con" path="org.eclipse.jdt.launching.JRE_CONTAINER">
+		<attributes>
+			<attribute name="module" value="true"/>
+		</attributes>
+	</classpathentry>
+	<classpathentry kind="src" path="src"/>
+	<classpathentry kind="output" path="bin"/>
+</classpath>

PastAssignments/Assignment6/Assignment6_2230026071/Question3/.project

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+<?xml version="1.0" encoding="UTF-8"?>
+<projectDescription>
+	<name>Question3</name>
+	<comment></comment>
+	<projects>
+	</projects>
+	<buildSpec>
+		<buildCommand>
+			<name>org.eclipse.jdt.core.javabuilder</name>
+			<arguments>
+			</arguments>
+		</buildCommand>
+	</buildSpec>
+	<natures>
+		<nature>org.eclipse.jdt.core.javanature</nature>
+	</natures>
+</projectDescription>

PastAssignments/Assignment6/Assignment6_2230026071/Question3/.settings/org.eclipse.core.resources.prefs

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+eclipse.preferences.version=1
+encoding/<project>=UTF-8

PastAssignments/Assignment6/Assignment6_2230026071/Question3/src/Bubble.java

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+import java.awt.Color;
+import java.awt.Graphics;
+
+public class Bubble extends Shape {
+	//instance variable
+	private double radius;
+	
+	//constructor
+	public Bubble(int x, int y) {
+		super(x, y);
+		this.radius = 10.0;
+	}
+
+	@Override
+	public boolean isVisible(int w, int h) {
+		double x = getX();
+		double y = getY();
+		double wx = (x < 0 ? 0 : (x > w - 1 ? w - 1 : x));
+		double wy = (y < 0 ? 0 : (y > h - 1 ? h - 1 : y));
+		double dx = wx - x;
+		double dy = wy - y;
+		return dx * dx + dy * dy <= radius * radius;
+	}
+
+	@Override
+	public boolean isIn(int x, int y) {
+		double dx = x - getX();
+        double dy = y - getY();
+        return dx * dx + dy * dy <= radius * radius;
+	}
+	
+	public void draw(Graphics g) {
+		super.draw(g); // Call the superclass's draw method
+		int x = (int)Math.round(getX() - radius);
+        int y = (int)Math.round(getY() - radius);
+        int diameter = (int)Math.round(radius * 2);
+        g.drawOval(x, y, diameter, diameter);
+	}
+	
+	//test
+	public static void testBubble() {
+		Bubble b = new Bubble(20, 30);
+		System.out.println(b.getX() == 20);
+		System.out.println(b.getY() == 30);
+		b.setX(40);
+		System.out.println(b.getX() == 40);
+		System.out.println(b.getY() == 30);
+		b.setY(60);
+		System.out.println(b.getX() == 40);
+		System.out.println(b.getY() == 60);
+		// circle fully inside window
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window top edge
+		b.setX(50);
+		b.setY(0);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window right edge
+		b.setX(99);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window bottom edge
+		b.setX(50);
+		b.setY(99);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window left edge
+		b.setX(0);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window top left corner
+		b.setX(0);
+		b.setY(0);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window top right corner
+		b.setX(99);
+		b.setY(0);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window bottom right corner
+		b.setX(99);
+		b.setY(99);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle center on window bottom left corner
+		b.setX(0);
+		b.setY(99);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle bottom edge on window top edge
+		b.setX(50);
+		b.setY(-10);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle left edge on window right edge
+		b.setX(109);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle top edge on window bottom edge
+		b.setX(50);
+		b.setY(109);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle right edge on window left edge
+		b.setX(-10);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle bottom right edge on window top left corner
+		b.setX(-7);
+		b.setY(-7);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle bottom left edge on window top right corner
+		b.setX(106);
+		b.setY(-7);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle top left edge on window bottom right corner
+		b.setX(106);
+		b.setY(106);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle top right edge on window bottom left corner
+		b.setX(-7);
+		b.setY(106);
+		System.out.println(b.isVisible(100, 100) == true);
+		// circle bottom edge beyond window top edge
+		b.setX(50);
+		b.setY(-11);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle left edge beyond window right edge
+		b.setX(110);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle top edge beyond window bottom edge
+		b.setX(50);
+		b.setY(110);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle right edge beyond window left edge
+		b.setX(-11);
+		b.setY(50);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle bottom right edge beyond window top left corner
+		b.setX(-8);
+		b.setY(-8);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle bottom left edge beyond window top right corner
+		b.setX(107);
+		b.setY(-8);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle top left edge beyond window bottom right corner
+		b.setX(107);
+		b.setY(107);
+		System.out.println(b.isVisible(100, 100) == false);
+		// circle top right edge beyond window bottom left corner
+		b.setX(-8);
+		b.setY(107);
+		System.out.println(b.isVisible(100, 100) == false);
+		b.setX(0);
+		b.setY(0);
+		System.out.println(b.isIn(2, 2) == true);
+		System.out.println(b.isIn(10, 0) == true);
+		System.out.println(b.isIn(0, 10) == true);
+		System.out.println(b.isIn(7, 7) == true);
+		System.out.println(b.isIn(11, 0) == false);
+		System.out.println(b.isIn(0, 11) == false);
+		System.out.println(b.isIn(8, 8) == false);
+	}
+}

PastAssignments/Assignment6/Assignment6_2230026071/Question3/src/IShape.java

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+import java.awt.Graphics;
+
+public interface IShape {
+	public int getX();
+	public int getY();
+	public void setX(int x);
+	public void setY(int y);
+	public boolean isVisible(int w, int h);
+	public boolean isIn(int x, int y);
+	public void draw(Graphics g);
+}

PastAssignments/Assignment6/Assignment6_2230026071/Question3/src/Model.java

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+import java.awt.Graphics;
+import java.util.ArrayList;
+
+public class Model {
+	//instance variables
+	private int score;
+	private ArrayList<IShape> bubbles;
+	
+	//constructor
+	public Model() {
+		this.score = 0;
+		this.bubbles = new ArrayList<IShape>(0);
+	}
+	
+	//methods
+	public int getScore() {
+		return this.score;
+	}
+	
+	public void addBubble(int w, int h) {
+		Bubble bubble = new Bubble((int) (w * Math.random()), (int) (h * Math.random()));
+        bubbles.add(bubble);
+	}
+	
+	public void moveAll(int dx, int dy) {
+		 for (IShape bubble : bubbles) {
+	            bubble.setX(bubble.getX() + dx);
+	            bubble.setY(bubble.getY() + dy);
+	     }
+	}
+	
+	public void clearInvisibles(int w, int h) {
+		for (int i = bubbles.size() - 1; i >= 0; i--) {
+	        IShape b = bubbles.get(i);
+	        if (!b.isVisible(w, h)) {
+	            bubbles.remove(i);
+	            this.score--;
+	        }
+	    }
+	}
+	
+	public void deleteBubblesAtPoint(int x, int y) {
+	    for (int i = bubbles.size() - 1; i >= 0; i--) {
+	        IShape bubble = bubbles.get(i);
+	        if (bubble.isIn(x, y)) {
+	            bubbles.remove(i);
+	            score++;
+	        }
+	    }
+	}
+	
+	public void drawAll(Graphics g) {
+		for(IShape b: bubbles) {
+			b.draw(g);
+		}
+	}
+	
+	public static void testModel() {
+		Model m = new Model();
+		System.out.println(m.getScore() == 0);
+		// Testing the bubbles arraylist by directly accessing
+		// the arraylist inside the object m. This is not very clean (it only
+		// works when the tests are done from inside the class itself) but it
+		// allows us to test more methods.
+		System.out.println(m.bubbles.size() == 0);
+		// Add two bubbles.
+		m.addBubble(100, 100);
+		m.addBubble(100, 100);
+		System.out.println(m.getScore() == 0);
+		System.out.println(m.bubbles.size() == 2);
+		// The two bubbles we have are somewhere in the square ([0, 99), [0, 99)).
+		m.clearInvisibles(200, 200);
+		System.out.println(m.getScore() == 0);
+		System.out.println(m.bubbles.size() == 2);
+		m.clearInvisibles(0, 0);
+		System.out.println(m.getScore() == -2);
+		System.out.println(m.bubbles.size() == 0);
+		// Adding two bubbles again and moving them out of the window.
+		m.addBubble(100, 100);
+		m.addBubble(100, 100);
+		System.out.println(m.getScore() == -2);
+		System.out.println(m.bubbles.size() == 2);
+		m.moveAll(200, 200);
+		System.out.println(m.getScore() == -2);
+		System.out.println(m.bubbles.size() == 2);
+		m.clearInvisibles(200, 200);
+		System.out.println(m.getScore() == -4);
+		System.out.println(m.bubbles.size() == 0);
+		// Adding two bubbles again and clicking into them to remove them.
+		m.addBubble(10, 10);
+		m.addBubble(10, 10);
+		System.out.println(m.getScore() == -4);
+		System.out.println(m.bubbles.size() == 2);
+		// The two bubbles we have are somewhere in the square ([0, 9), [0, 9)).
+		m.deleteBubblesAtPoint(5, 5);
+		System.out.println(m.getScore() == -2);
+		System.out.println(m.bubbles.size() == 0);
+		// We cannot test the drawAll method because we don't have any graphics object.
+		// Adding a bubble again and clearing everything.
+		m.addBubble(100, 100);
+		System.out.println(m.getScore() == -2);
+		System.out.println(m.bubbles.size() == 1);
+	}
+}

PastAssignments/Assignment6/Assignment6_2230026071/Question3/src/Shape.java

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+import java.awt.Color;
+import java.awt.Graphics;
+
+public abstract class Shape implements IShape{
+	//instance variables
+	private int x;
+	private int y;
+	private Color color;
+	
+	//constructor
+	public Shape(int x, int y) {
+		this.x = x;
+		this.y = y;
+		this.color = new Color((float)Math.random(), (float)Math.random(), (float)Math.random());
+	}
+
+	@Override
+	public int getX() {
+		return this.x;
+	}
+
+	@Override
+	public int getY() {
+		return this.y;
+	}
+
+	@Override
+	public void setX(int x) {
+		this.x = x;
+	}
+
+	@Override
+	public void setY(int y) {
+		this.y = y;
+	}
+
+	@Override
+	public abstract boolean isVisible(int w, int h);
+
+	@Override
+	public abstract boolean isIn(int x, int y);
+
+	@Override
+	public void draw(Graphics g) {
+		g.setColor(this.color);
+	}
+	
+	public static void testShape() {}
+}

PastAssignments/Assignment6/Assignment6_2230026071/Question3/src/Start.java

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+public class Start {
+	public static void main(String[] args) {
+		Shape.testShape();
+		Bubble.testBubble();
+		Model.testModel();
+	}
+}