scg/ch04/NewtonsAppleDropApple

01 packagepackage is used to name the directory or folder a class is in scg.ch04;
02 
03 importimport means to make the classes and/or packages available in this program fang2.core.Game;
04 importimport means to make the classes and/or packages available in this program fang2.sprites.OvalSprite;
05 importimport means to make the classes and/or packages available in this program fang2.sprites.RectangleSprite;
06 
07 /** NewtonsApple pre-prototype */
08 publicpublic is used to indicate unrestricted access (any other class can have access) classclass is a group of fields and methods used for making objects NewtonsAppleDropApple
09   extendsextends means to customize or extend the functionality of a class Game {open braces start code blocks and must be matched with a close brace
10   // An OvalSprite field to name the apple
11   privateprivate is used to restrict access to the current class only OvalSprite apple;
12   // A RectangleSprite field to name newton
13   privateprivate is used to restrict access to the current class only RectangleSprite newton;
14 
15   /**
16    * place the apple at random x-coord at top of screen.
17    */
18   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value dropApple() {open braces start code blocks and must be matched with a close brace
19     apple.setLocation(randomDouble(), 0.00);
20   }close braces end code blocks and must match an earlier open brace
21   
22   // First pass at defining the sprites for the game
23   @Override
24   publicpublic is used to indicate unrestricted access (any other class can have access) voidvoid means the method does not return a value setup() {open braces start code blocks and must be matched with a close brace
25     apple =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor OvalSprite(0.10, 0.10);
26     apple.setColor(getColor("red"));
27     dropApple();
28 
29     newton =this assignment operator makes the left side equal to the right side newnew is used to create objects by calling the constructor RectangleSprite(0.10, 0.10);
30     newton.setColor(getColor("green"));
31     newton.setLocation(0.50, 0.90);
32 
33     addSprite(newton);
34     addSprite(apple);
35   }close braces end code blocks and must match an earlier open brace
36 }close braces end code blocks and must match an earlier open brace
37 
38 //Uploaded on Mon Mar 29 21:38:42 EDT 2010