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Applet Tutorials: Wormhole

This applet visualises a famous wormhole animation, which can also be called "dot tunnel".

[For more technical information about the available parameters, click here.]

Most parameters are self-explanatory and you can always see brief description of each parameter by moving the mouse pointer over the wizard.

First of all, define the applet size at "Width" and "Height".

Then you decide if textscroll function is enabled by checking "Enable textscroll" box.

You then decide if the wormhole should be displayed in negative colour or positive one, by checking "Negative" parameter.

Note that negative/positive check box does NOT change the background of the wormhole, but it is "Back. colour" parameter which decides the background colour.

Then set the horizontal and vertical scroll speed of the animation at "speedX" and "speedY".

The wormhole is made out of a set of various sizes of circles. You can see the full circles by entering 1 for "Dot" parameter, which controls the dot density of the circles.

Values higher than 1 (up to 23) for it produce less density circles and this eventually ends up with two broken lines. I recommend you to leave the default value intact.

Proceed to the textscroll menu if you have checked the textscroll box; otherwise go to the expert menu.