Separating into Tech and SysDev

Technology/Game-2/src/Game/Missile.java

@@ -0,0 +1,30 @@
+// Origin: https://zetcode.com/javagames/movingsprites/
+
+package Game;
+
+public class Missile extends Sprite {
+
+    private final int BOARD_WIDTH = 800;
+    private final int MISSILE_SPEED = 2;
+
+    public Missile(int x, int y) {
+        super(x, y);
+        
+        initMissile();
+    }
+    
+    private void initMissile() {
+        
+        loadImage("src/resources/missile.png");  
+        getImageDimensions();
+    }
+
+    public void move() {
+        
+        x += MISSILE_SPEED;
+        
+        if (x > BOARD_WIDTH) {
+            visible = false;
+        }
+    }
+}