diff options
| author | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
|---|---|---|
| committer | David Thompson <dthompson2@worcester.edu> | 2021-04-13 11:30:50 -0400 |
| commit | ce9d6e8ad28b2d84d1a292a871c23b66a4654b54 (patch) | |
| tree | ade44e7bb7b891c9ae0ceba18633ef4b2a911a7c /manuals/chickadee/Particles.html | |
| parent | 2a30eb2a2d5472be3df1254d5d4d04310314e628 (diff) | |
Add new guile-sdl2 and chickadee releases.
Diffstat (limited to 'manuals/chickadee/Particles.html')
| -rw-r--r-- | manuals/chickadee/Particles.html | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/manuals/chickadee/Particles.html b/manuals/chickadee/Particles.html index 1874dfd..d058996 100644 --- a/manuals/chickadee/Particles.html +++ b/manuals/chickadee/Particles.html @@ -32,8 +32,8 @@ http://www.texinfo.org/ (GNU Texinfo). <link href="Index.html" rel="index" title="Index"> <link href="index.html#SEC_Contents" rel="contents" title="Table of Contents"> <link href="Graphics.html" rel="up" title="Graphics"> -<link href="3D-Models.html" rel="next" title="3D Models"> -<link href="Fonts.html" rel="prev" title="Fonts"> +<link href="Tile-Maps.html" rel="next" title="Tile Maps"> +<link href="Vector-Paths.html" rel="prev" title="Vector Paths"> <style type="text/css"> <!-- a.summary-letter {text-decoration: none} @@ -82,7 +82,7 @@ ul.no-bullet {list-style: none} <body lang="en"> <span id="Particles"></span><div class="header"> <p> -Next: <a href="3D-Models.html" accesskey="n" rel="next">3D Models</a>, Previous: <a href="Fonts.html" accesskey="p" rel="prev">Fonts</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="Tile-Maps.html" accesskey="n" rel="next">Tile Maps</a>, Previous: <a href="Vector-Paths.html" accesskey="p" rel="prev">Vector Paths</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div> <hr> <span id="Particles-1"></span><h4 class="subsection">2.3.7 Particles</h4> @@ -113,21 +113,21 @@ how many of them to spawn, and for how long they should do it. at the coordinates <code>(320, 240)</code>: </p> <div class="example"> -<pre class="example">(use-modules (chickadee math vector)) -(define emitter (make-particle-emitter (vec2 320.0 240.0) 16)) +<pre class="example">(use-modules (chickadee math rect)) +(define emitter (make-particle-emitter (make-rect 0.0 0.0 320.0 240.0) 16)) (add-particle-emitter particles emitter) </pre></div> <p>To see all of the tweakable knobs and switches, read on! </p> <dl> -<dt id="index-make_002dparticles">Procedure: <strong>make-particles</strong> <em>capacity [#:blend-mode <code>alpha</code>] [#:color white] [#:end-color transparent] [#:texture] [#:animation-rows 1] [#:animation-columns 1] [#:width] [#:height] [#:speed-range (vec2 0.1 1.0)] [#:acceleration-range (vec2 0.0 0.1)] [#:direction-range (vec2 0 (* 2 pi))] [#:lifetime 30] [#:sort]</em></dt> +<dt id="index-make_002dparticles">Procedure: <strong>make-particles</strong> <em>capacity [#:blend-mode] [#:color white] [#:end-color transparent] [#:texture] [#:animation-rows 1] [#:animation-columns 1] [#:width] [#:height] [#:speed-range (vec2 0.1 1.0)] [#:acceleration-range (vec2 0.0 0.1)] [#:direction-range (vec2 0 (* 2 pi))] [#:lifetime 30] [#:sort]</em></dt> <dd> <p>Return a new particle system that may contain up to <var>capacity</var> particles. Achieving the desired particle effect involves tweaking the following keyword arguments as needed: </p> -<p>- <var>blend-mode</var>: Pixel blending mode. <code>alpha</code> by default. +<p>- <var>blend-mode</var>: Pixel blending mode. Alpha blending is used by default. (see <a href="Blending.html">Blending</a> for more about blend modes). </p> <p>- <var>start-color</var>: The tint color of the particle at the beginning of its @@ -243,7 +243,7 @@ frame. <hr> <div class="header"> <p> -Next: <a href="3D-Models.html" accesskey="n" rel="next">3D Models</a>, Previous: <a href="Fonts.html" accesskey="p" rel="prev">Fonts</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> +Next: <a href="Tile-Maps.html" accesskey="n" rel="next">Tile Maps</a>, Previous: <a href="Vector-Paths.html" accesskey="p" rel="prev">Vector Paths</a>, Up: <a href="Graphics.html" accesskey="u" rel="up">Graphics</a> [<a href="index.html#SEC_Contents" title="Table of contents" rel="contents">Contents</a>][<a href="Index.html" title="Index" rel="index">Index</a>]</p> </div> |