1    /* 
2       Assignment 1, problem 3: this program creates my version of the Dots problem 
3     */
4    
5    package npw;
6    
7    import java.awt.Color;
8    import javax.swing.SwingUtilities;
9    import painter.SPainter;
10   import shapes.SCircle;
11   
12   public class Dots {
13   
14       // The solution to the Dots problem
15   
16       private void paintTheImage() {
17           SPainter justin = new SPainter("Blue Dot",800,800);
18           SCircle dot = new SCircle(200);
19   
20           //Paints green circles
21           paintGreenCircles(justin,dot);
22   
23           //Paints orange circles
24           paintOrangeCircles(justin,dot);
25   
26           //Paints blue circles
27           paintBlueCircles(justin,dot);
28   
29           //Paints magenta circles
30           paintMagentaCircles(justin,dot);
31   
32       }
33   
34       private void paintGreenCircles(SPainter justin, SCircle dot) {
35           justin.setColor(Color.GREEN);
36           //Sets radius of circle
37           dot.setRadius(100);
38           //Moves painter forward (towards top of canvas)
39           justin.mfd(294);
40           //Moves painter to the left
41           justin.mlt(294);
42           //Paints first circle
43           justin.paint(dot);
44           //Move painter to center
45           justin.moveToCenter();
46   
47   
48           //Moves painter backwards (towards bottom of canvas)
49           justin.mfd(294);
50           //Moves painter to the right
51           justin.mrt(294);
52           //Paints second circle
53           justin.paint(dot);
54           //Moves painter to center
55           justin.moveToCenter();
56       }
57   
58       private void paintOrangeCircles(SPainter justin, SCircle dot) {
59           justin.setColor(Color.ORANGE);
60           //Sets radius of circle
61           dot.setRadius(100);
62           //Moves painter forward (towards top of canvas)
63           justin.mbk(293);
64           //Moves painter to the right
65           justin.mrt(294);
66           //Paints first circle
67           justin.paint(dot);
68           //Move painter to center
69           justin.moveToCenter();
70   
71   
72           //Moves painter backwards (towards bottom of canvas)
73           justin.mbk(293);
74           //Moves painter to the right
75           justin.mlt(294);
76           //Paints second circle
77           justin.paint(dot);
78           //Moves painter to center
79           justin.moveToCenter();
80   
81       }
82   
83       private void paintBlueCircles(SPainter justin, SCircle dot) {
84         justin.setColor(Color.BLUE);
85         dot.setRadius(150);
86         //Moves painter to the right
87           justin.mrt(175);
88           //Paints first circle
89           justin.paint(dot);
90           //Moves painter back to original position
91           justin.moveToCenter();
92   
93   
94           //Moves painter to the left
95           justin.mlt(175);
96           //Paints second circle
97           justin.paint(dot);
98           //Moves painter back to original position
99           justin.moveToCenter();
100      }
101  
102      private void paintMagentaCircles(SPainter justin, SCircle dot) {
103          justin.setColor(Color.MAGENTA);
104          dot.setRadius(20);
105          justin.paint(dot);
106  
107  
108          //Change radius for larger magenta dots
109          dot.setRadius(50);
110          //Moves painter forward (towards top of canvas)
111          justin.mfd(150);
112          //Paints first circle
113          justin.paint(dot);
114          //Moves painter back to original position (center)
115          justin.moveToCenter();
116  
117  
118          //Moves painter backwards (towards bottom of canvas)
119          justin.mbk(150);
120          //Paints second circle
121          justin.paint(dot);
122          //Moves painter back to original position (center)
123          justin.moveToCenter();
124  
125  
126      }
127  
128      // Required infrastructure \
129  
130      public Dots() {
131          paintTheImage();
132      }
133  
134      public static void main(String[] args) {
135          SwingUtilities.invokeLater(new Runnable() {
136              public void run() {
137                  new Dots();
138              }
139          });
140      }
141  }