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Graphics with Sound and Animation
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by Brian Scarbeau
Lake Highland Preparatory School
Orlando, Florida
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More Nifty Assignments...
Assignment
After learning how to create applets and use basic methods to draw and set color, students start to add methods to their applets.
The following is an example of some code for creating simple graphics:
 Project1.java.zip
The first method is to add sound to the applets. Students review the Trail: Sound Web site to find out how to do this.
Trail: Sound
Student are also taught how to use the MouseListener.
Project2.java.zip
To continue their study of methods and OOP (object-oriented programming), students learn how to create a GIF background in their applets, using the Animation with GIF Pictures, Sprite Animation applet.
Animation with GIF Pictures, Sprite Animation
Finally, students learn how to animate the drawings that they created. The Animated Train code below shows a train moving left to right horizontally on the window. The movement does require some work because of the location of each drawing, but this program is well explained for anyone to copy and use. Make sure all sound files and graphic files are in the same directory of your project. My class has a contest, and we judge who has the best drawing, best background GIF, and best sound in the applets.
train2.java.zip
Teacher's Comments
Students are intrigued with learning how to create graphics in Java. Although this material is not covered on the AP Exam, it still shows the importance of object-oriented programming.
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