Add second year

second/semester2/CT255/Assignments/Assigment-02/GameObject.java

@@ -0,0 +1,41 @@
+import java.awt.*;
+import javax.swing.*;
+import java.util.*;
+
+public class GameObject {
+    // member data
+    private int x, y; 
+    private int height = 50, width = 50;
+    private Color c;
+    private int stepSize = 10;  // how many pixels the object will move at a time
+
+    // constructor 
+    public GameObject() {
+        // randomly generating colour
+        c = new Color((int)(Math.random()*255), (int)(Math.random()*255), (int)(Math.random()*255));
+
+        // randomly generating initial x y co-ordinates
+        x = (int)(Math.random()*600);
+        y = (int)(Math.random()*600);
+    }
+
+    // public interface 
+    public void move() {
+        // generating either a 1 or a 0 to determine if the square should move left or right and up or down - 1 = left/up, 0 = right/down
+        int xDirection = (int)(Math.random()*2);
+        int yDirection = (int)(Math.random()*2);
+
+        // changing the x & y co-ordinates by either plus or minus the stepSize, depending on the direction
+        x += (xDirection == 1) ? -stepSize : + stepSize; 
+        y += (yDirection == 1) ? -stepSize : + stepSize; 
+    } 
+
+    public void paint(Graphics g) {
+        // setting colour
+        g.setColor(c);
+
+        // make a filled rectangle with the specified dimensions at the specified x, y co-ordinates
+        g.fillRect(x, y, height, width);
+    }
+}
+