scrawl-canvas
Version:
Version 8.9.4 - 19 Nov 2022
140 lines (114 loc) • 5.78 kB
HTML
<html>
<head>
<meta charset="utf-8">
<meta http-equiv="x-ua-compatible" content="ie=edge">
<meta name="viewport" content="width=device-width, initial-scale=1">
<title>Demo Canvas 012</title>
<link href="css/normalize.css" rel="stylesheet" />
<link href="css/tests.css" rel="stylesheet" />
<style>
.controls {
grid-template-columns: 1fr 2fr 2fr 1fr 2fr 2fr;
}
</style>
</head>
<body>
<h1><a href="index.html">Scrawl-canvas v8</a> - Canvas test 012</h1>
<h2>Shape entity position<br />Shape entity as a path for other artefacts to follow</h2>
<canvas
id="mycanvas"
width="600"
height="400"
data-scrawl-canvas
></canvas>
<p id="reportmessage"></p>
<div class="controls">
<div class="blue label">Starts ('n%')</div>
<div class="blue">X: <input class="controlItem" id="start_xPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="blue">Y: <input class="controlItem" id="start_yPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="green label">Handles ('n%')</div>
<div class="green">X: <input class="controlItem" id="handle_xPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="handle_yPercent" type="range" value="50" min="-50" max="150" step="1" /></div>
<div class="blue label">Starts (n)</div>
<div class="blue">X: <input class="controlItem" id="start_xAbsolute" type="range" value="300" min="-20" max="620" step="5" /></div>
<div class="blue">Y: <input class="controlItem" id="start_yAbsolute" type="range" value="200" min="-20" max="620" step="5" /></div>
<div class="green label">Handles (n)</div>
<div class="green">X: <input class="controlItem" id="handle_xAbsolute" type="range" value="100" min="-100" max="300" step="1" /></div>
<div class="green">Y: <input class="controlItem" id="handle_yAbsolute" type="range" value="100" min="-100" max="300" step="1" /></div>
<div class="blue label">Starts ('str')</div>
<div class="blue">X: <select class="controlItem" id="start_xString">
<option value="left">left</option>
<option value="center">center</option>
<option value="right">right</option>
</select>
</div>
<div class="blue">Y: <select class="controlItem" id="start_yString">
<option value="top">top</option>
<option value="center">center</option>
<option value="bottom">bottom</option>
</select>
</div>
<div class="green label">Handles ('str')</div>
<div class="green">X: <select class="controlItem" id="handle_xString">
<option value="left">left</option>
<option value="center">center</option>
<option value="right">right</option>
</select>
</div>
<div class="green">Y: <select class="controlItem" id="handle_yString">
<option value="top">top</option>
<option value="center">center</option>
<option value="bottom">bottom</option>
</select>
</div>
<div class="lavender label">Offset ('n%')</div>
<div class="lavender">X: <input class="controlItem" id="offset_xPercent" type="range" value="0" min="-20" max="20" step="1" /></div>
<div class="lavender">Y: <input class="controlItem" id="offset_yPercent" type="range" value="0" min="-20" max="20" step="1" /></div>
<div class="lavender label">Offset (n)</div>
<div class="lavender">X: <input class="controlItem" id="offset_xAbsolute" type="range" value="0" min="-50" max="50" step="1" /></div>
<div class="lavender">Y: <input class="controlItem" id="offset_yAbsolute" type="range" value="0" min="-50" max="50" step="1" /></div>
<div class="yellow label">Roll</div>
<div class="yellow"><input class="controlItem" id="roll" type="range" value="0" min="0" max="360" step="1" /></div>
<div class="yellow"> </div>
<div class="yellow label">Scale</div>
<div class="yellow"><input class="controlItem" id="scale" type="range" value="0.2" min="0" max="0.4" step="0.01" /></div>
<div class="yellow"> </div>
<div class="yellow label">Flip-upend</div>
<div class="yellow">
<select class="controlItem" id="upend">
<option value="0">false</option>
<option value="1">true</option>
</select>
</div>
<div class="yellow"> </div>
<div class="yellow label">Flip-reverse</div>
<div class="yellow">
<select class="controlItem" id="reverse">
<option value="0">false</option>
<option value="1">true</option>
</select>
</div>
<div class="yellow"> </div>
</div>
<div class="testinfo">
<h4>Test purpose</h4>
<ul>
<li>Create a Shape entity, with its 'useAsPath' flag set to true</li>
<li>Display the Shape entity on a canvas</li>
<li>Check that the entity location attributes (start, handle, offset) work as expected</li>
<li>Check that the entity manipulation attributes (roll, scale, flip) work as expected</li>
</ul>
<ul>
<li>Check that the functionality to calculate path dimensions and length are working</li>
<li>Create Wheel entitys to use the Shape entity as their path</li>
<li>Animate the Wheel entitys along the Shape entity path</li>
<li>Check that the Wheel entitys stick to the path during Shape entity positional, rotational, flip and scale manipulations</li>
<li>Check that the Wheel entitys correctly rotate to keep their flat sides running along the path line</li>
</ul>
<p><b>Touch test:</b> not required</p>
<p><a href="../docs/demo/canvas-012.html">Annotated code</a></p>
</div>
<script src="canvas-012.js" type="module"></script>
</body>
</html>