Difference between revisions of "Animation"

From Progzoo
Jump to: navigation, search
Line 32: Line 32:
 
</shell>
 
</shell>
 
==Moving block==
 
==Moving block==
 +
You can click on "Show" to see the full program.
 +
 +
The method drawFrame is called 20 times; frame is a different value each time, the graphics object is new each time.
 +
Draws a yellow rectangle at coordinates (50,8*frame-20) which is (50,-20), (50,-12), (50,-2), (50,6) ... (50,172)
 +
So the yellow box appears at the top of the image and moves down a little with each frame.
 
<question copyFile="classes.jar" imgOut='anim.gif'
 
<question copyFile="classes.jar" imgOut='anim.gif'
 
  width='150' height='100' className="Anim"
 
  width='150' height='100' className="Anim"

Revision as of 10:20, 1 December 2015

The animations here rely on Gif89Encoder available from http://jmge.net/java/gifenc/ developed by JMG Elliot.

Moving block

You can click on "Show" to see the full program.

The method drawFrame is called 20 times; frame is a different value each time, the graphics object is new each time. Draws a yellow rectangle at coordinates (50,8*frame-20) which is (50,-20), (50,-12), (50,-2), (50,6) ... (50,172) So the yellow box appears at the top of the image and moves down a little with each frame.


[Font] [Default] [Show] [Resize] [History] [Profile]

Shooting Star


[Font] [Default] [Show] [Resize] [History] [Profile]