1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
|
<!DOCTYPE html>
<html lang="en" dir="ltr" class="no-js">
<head>
<meta charset="utf-8" />
<title>graphicsimagejmrmor [BASIC 256 - Language Documentation]</title>
<link rel="stylesheet" type="text/css" href="lib/exe/cssc171c1dfe8519125bb40a349172b001a.css"/>
</head>
<body>
<div id="dokuwiki__site"><div id="dokuwiki__top" class="site dokuwiki mode_show tpl_dokuwiki ">
<div id="dokuwiki__header"><div class="pad group">
<div class="headings group">
<h1><a href="start.html" accesskey="h" title="[H]"><img src="lib/tpl/dokuwiki/images/logo.png" width="64" height="64" alt="" /> <span>BASIC 256 - Language Documentation</span></a></h1>
</div>
</div>
<div class="breadcrumbs">
<div class="youarehere"><span class="bchead">You are here: </span><span class="home"><bdi><a href="start.html" class="wikilink1" title="start">start</a></bdi></span> » <bdi><span class="curid"><a href="graphicsimagejmrmor.html" class="wikilink1" title="graphicsimagejmrmor">graphicsimagejmrmor</a></span></bdi></div>
</div>
<hr class="a11y" />
</div></div>
<div class="wrapper group">
<div id="dokuwiki__content"><div class="pad group">
<div class="pageId"><span>graphicsimagejmrmor</span></div>
<div class="page group">
<p>
<a href="http://doc.basic256.org/lib/exe/detail.php?id=graphicsimagejmrmor&media=jmreneau_morie.png" class="media" title="jmreneau_morie.png"><img src="lib/exe/jmreneau_morie.png" class="media" alt="" width="200" /></a>
Morie Pattern (July 27, 2010)
</p>
<pre class="code"># morie pattern - j.m.reneau 2010-07-27
# height of pattern
h = 500
# width of pattern
w = 500
# distance between lines ((w or h)/s) on edge
s = .005
fastgraphics
graphsize w,h
# background
color black
rect 0,0,w,h
x0 = w/2
y0 = h/2
for t = 0 to 1 step s
x1 = 0
y1 = t*h
gosub drawline
x1 = w
y1 = h-t*h
gosub drawline
x1 = w-t*w
y1 = 0
gosub drawline
x1 = t*w
y1 = h
gosub drawline
next t
end
drawline:
dx = x0 - x1
dy = y0 - y1
# distance along length of line between points (as % of line length)
sl = 3 / ((dx ^ 2 + dy ^ 2 ) ^ .5)
for d = 0 to 1 step sl
# color of pixel along line
color rgb(255*d, 255*d, 255*d)
plot x0 + dx * d, y0 + dy * d
next d
refresh
return</pre>
</div>
<div class="docInfo"><bdi>graphicsimagejmrmor.txt</bdi> · Last modified: 2013/01/02 22:35 by <bdi>admin</bdi></div>
</div></div>
<hr class="a11y" />
</div>
<div id="dokuwiki__footer"><div class="pad">
<div class="license">Except where otherwise noted, content on this wiki is licensed under the following license: <bdi><a href="http://creativecommons.org/licenses/by-sa/3.0/" rel="license" class="urlextern">CC Attribution-Share Alike 3.0 Unported</a></bdi></div>
</div></div>
</div></div>
<div id="screen__mode" class="no"></div>
</body>
</html>
|
