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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01//EN" "http://www.w3.org/TR/html4/strict.dtd">
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<TITLE>transitionMode and transitionLevel</TITLE>
<link rel="stylesheet" type="text/css" href="style.css" />
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<HR>
<div align="center"><img id="headerGraphic" src="images/sludge300.png" alt="SLUDGE"/></div>
<h2>transitionMode and transitionLevel</h2>
<HR>
<H3>Syntax:</H3>
<P>
<pre class="syntax">transitionMode (<i>mode</i>);</pre>
</P>
<P>
<pre class="syntax">transitionLevel (<i>level</i>);</pre>
</P>
<H3>Purpose:</H3>
<P>
The transitionMode function chooses which transition type is used by the game. Valid values for <i>mode</i> are:
</P>
<P>
<b>FADE </b>Every pixel's brightness is faded to / from black.
</P>
<P>
<b>DISOLVE </b>A fixed selection of pixels is coloured over in black.
</P>
<P>
<b>DISOLVE1 </b>The same as DISOLVE.
</P>
<P>
<b>DISOLVE2 </b>A random selection of pixels is coloured over in black.
</P>
<P>
<b>TVSTATIC </b>A random selection of pixels is coloured over in random greys.
</P>
<P>
<b>BLINDS </b>The screen is divided into horizontal slices which open like blinds.
</P>
<P>
<b>SNAPSHOTFADE </b>The screen is faded to / from the current snapshot. *
</P>
<P>
<b>CROSSFADE </b>The same as SNAPSHOTFADE.
</P>
<P>
<b>SNAPSHOTBOX </b>The screen appears in an expanding rectangle over the current snapshot. *
</P>
<P>
The transitionLevel function specifies how visible the current screen is, from 0 to 256 inclusive. A <i>level</i> value of 0 means the scene is not visible at all (normally pitch black). A <i>level</i> value of 256 means the scene is completely visible and not affected by the current transition mode at all.
</P>
<P>
Note that the mouse cursor is <i>not</i> affected by transitions. All other elements - including speech, characters and status text - are affected.
</P>
<P>
* = See <a href="snapshotGrab.html">snapshotGrab</a> for more information. This transition mode has no effect if there is currently no snapshot in memory.
</P>
<H3>Example:</H3>
<P>
<pre># Choose which mode we want to use
transitionMode (DISOLVE2);
# Fade up
for (var a = 0; a < 255; a += 10) {
transitionLevel (a);
pause (1);
}
transitionLevel (256);
# Wait a while
pause (100);
# Fade down
for (var a = 255; a > 0; a -= 10) {
transitionLevel (a);
pause (1);
}
transitionLevel (0);</pre>
</P>
<H3>Return value:</H3>
<P>
No return value.
</P>
<P class="copyright-notice">SLUDGE and this SLUDGE documentation are <A HREF="Copyright.html">copyright</A> Hungry Software and contributors 2000-2012
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