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vertexcolors.html
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vertexcolors.html
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<!DOCTYPE html>
<html>
<head>
<meta charset='utf-8'>
<meta http-equiv="Content-type" content="text/html;charset=UTF-8">
<title>Test Vertex Colors</title>
<!--script src="http://3Dmol.csb.pitt.edu/build/3Dmol-min.js"></script-->
<script src="../../build/3Dmol.js"></script>
<script type="text/javascript">
/* Draw a pretty triangle in the XY plane with colorful vertices
*/
function triangle(viewer) {
var vertices = [];
var normals = [];
var colors = [];
var r = 20;
//triangle
vertices.push(new $3Dmol.Vector3(0, 0, 0));
vertices.push(new $3Dmol.Vector3(r, 0, 0));
vertices.push(new $3Dmol.Vector3(0, r, 0));
normals.push(new $3Dmol.Vector3(0, 0, 1));
normals.push(new $3Dmol.Vector3(0, 0, 1));
normals.push(new $3Dmol.Vector3(0, 0, 1));
colors.push({ r: 1, g: 0, b: 0 });
colors.push({ r: 0, g: 1, b: 0 });
colors.push({ r: 0, g: 0, b: 1 });
var faces = [0, 1, 2];
spec = { vertexArr: vertices, normalArr: normals, faceArr: faces, color: colors };
viewer.addCustom(spec);
viewer.render();
}
function cylinder(viewer) {
var vertices = [];
var normals = [];
var colors = [];
var r = 10;
// "Cylinder" with 4 points (aka a open box with weird normals)
vertices.push(new $3Dmol.Vector3(r, -2 * r, 0));
vertices.push(new $3Dmol.Vector3(0, -2 * r, r));
vertices.push(new $3Dmol.Vector3(-r, -2 * r, 0));
vertices.push(new $3Dmol.Vector3(0, -2 * r, -r));
vertices.push(new $3Dmol.Vector3(r, -r, 0));
vertices.push(new $3Dmol.Vector3(0, -r, r));
vertices.push(new $3Dmol.Vector3(-r, -r, 0));
vertices.push(new $3Dmol.Vector3(0, -r, -r));
normals.push(new $3Dmol.Vector3(1, 0, 0));
normals.push(new $3Dmol.Vector3(0, 0, 1));
normals.push(new $3Dmol.Vector3(-1, 0, 0));
normals.push(new $3Dmol.Vector3(0, 0, -1));
normals.push(new $3Dmol.Vector3(1, 0, 0));
normals.push(new $3Dmol.Vector3(0, 0, 1));
normals.push(new $3Dmol.Vector3(-1, 0, 0));
normals.push(new $3Dmol.Vector3(0, 0, -1));
colors.push({ r: 1, g: 0, b: 0 });
colors.push({ r: 1, g: 1, b: 0 });
colors.push({ r: 1, g: 1, b: 1 });
colors.push({ r: 1, g: 0, b: 1 });
colors.push({ r: .5, g: 0, b: 0 });
colors.push({ r: .5, g: .5, b: 0 });
colors.push({ r: .5, g: .5, b: .5 });
colors.push({ r: .5, g: 0, b: .5 });
var faces = [0, 4, 1, 4, 5, 1,
1, 5, 2, 5, 6, 2,
2, 6, 3, 6, 7, 3,
3, 7, 0, 7, 4, 0];
spec = { vertexArr: vertices, normalArr: normals, faceArr: faces, color: colors };
viewer.addCustom(spec);
viewer.render();
}
</script>
</head>
<body>
<h1>Test Vertex Colors</h1>
<p>This document tests the ability to assign a unique color to each vertex by passing an array of colors to a custom
object. You should see a red-green-blue right triangle, as well as an open box whose colors merge through red,
magenta, white, and yellow.</p>
<div id="testColorArrays" style="width: 400px; height: 400px; position: relative;"></div>
<script>
(function () {
var viewer = $3Dmol.createViewer($("#testColorArrays"));
viewer.setBackgroundColor(0xffffffff);
triangle(viewer);
cylinder(viewer);
})();
</script>
</body>
</html>