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(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
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<!--
Animated Scene.
Load a scene with animation and play it back.
-->
<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"
"http://www.w3.org/TR/html4/loose.dtd">
<html>
<head>
<meta http-equiv="content-type" content="text/html; charset=UTF-8">
<title>
Animated Scene.
</title>
<style type="text/css">
.status { color: red; }
</style>
<!-- Include sample javascript library functions-->
<script type="text/javascript" src="o3djs/base.js"></script>
<!-- Our javascript code -->
<script type="text/javascript" id="o3dscript">
o3djs.require('o3djs.util');
o3djs.require('o3djs.math');
o3djs.require('o3djs.rendergraph');
o3djs.require('o3djs.camera');
o3djs.require('o3djs.pack');
o3djs.require('o3djs.scene');
// Events
// init() once the page has finished loading.
window.onload = init;
window.onunload = unload;
// global variables
var g_o3d;
var g_math;
var g_client;
var g_viewInfo;
var g_pack;
var g_finished = false; // for selenium testing
var g_clock = 0;
var g_timeMult = 1;
var g_animTimeParam;
var g_animEndTime = 249 / 30; // 249 30hz frames.
var g_loadInfo;
var g_downloadPercent = -1;
/**
* Sets the status message
* @param {string} msg The message.
*/
function setStatus(msg) {
var element = document.getElementById('status');
if (element) {
element.innerHTML = msg;
}
}
/**
* Loads a scene into the transform graph.
* @param {!o3d.Pack} pack Pack to load scene into.
* @param {string} fileName filename of the scene.
* @param {!o3d.Transform} parent parent node in the transform graph to
* which to load the scene into.
*/
function loadScene(pack, fileName, parent) {
// Get our full path to the scene
var scenePath = o3djs.util.getCurrentURI() + fileName;
// Load the file given the full path, and call the callback function
// when its done loading.
g_loadInfo = o3djs.scene.loadScene(
g_client, pack, parent, scenePath, callback,
{ opt_animSource: g_animTimeParam});
/**
* Our callback is called once the scene has been loaded into memory
* from the web or locally.
* @param {!o3d.Pack} pack The pack that was passed in above.
* @param {!o3d.Transform} parent The parent that was passed in above.
* @param {*} exception null if loading succeeded.
*/
function callback(pack, parent, exception) {
g_loadInfo = null;
if (exception) {
setStatus('could **not** load ' + fileName + '. ' + exception);
return;
}
// Get a CameraInfo (an object with a view and projection matrix)
// using our javascript library function
var cameraInfo = o3djs.camera.getViewAndProjectionFromCameras(
parent,
g_client.width,
g_client.height);
// Copy the view and projection to the draw context.
g_viewInfo.drawContext.view = cameraInfo.view;
g_viewInfo.drawContext.projection = cameraInfo.projection;
// Generate draw elements and setup material draw lists.
o3djs.pack.preparePack(pack, g_viewInfo);
// Reset the clock.
g_clock = 0;
setStatus('');
g_finished = true; // for selenium testing.
}
}
/**
* Creates the client area.
*/
function init() {
o3djs.util.makeClients(initStep2);
}
/**
* Initializes O3D and loads the scene into the transform graph.
* @param {Array} clientElements Array of o3d object elements.
*/
function initStep2(clientElements) {
// Initializes global variables and libraries.
var o3dElement = clientElements[0];
g_o3d = o3dElement.o3d;
g_math = o3djs.math;
g_client = o3dElement.client;
// Creates a pack to manage our resources/assets
g_pack = g_client.createPack();
// Create the render graph for a view.
g_viewInfo = o3djs.rendergraph.createBasicView(
g_pack,
g_client.root,
g_client.renderGraphRoot);
// Create a param to bind to the animation.
var paramObject = g_pack.createObject('ParamObject');
g_animTimeParam = paramObject.createParam('myClock', 'ParamFloat');
// Creates a transform to put our data on.
var myDataRoot = g_pack.createObject('Transform');
// Connects our root to the client root.
myDataRoot.parent = g_client.root;
// Load the scene into the transform graph as a child myDataRoot
loadScene(g_pack, 'assets/kitty_151_idle_stand05_cff1.o3dtgz', myDataRoot);
// Setup an onrender callback for animation.
g_client.setRenderCallback(onRender);
}
// update the animation clock
function onRender(render_event) {
// Get the number of seconds since the last render.
var elapsedTime = render_event.elapsedTime;
g_clock += elapsedTime * g_timeMult;
// Repeat the animation over and over.
g_clock = g_clock % g_animEndTime;
// Set the time to display.
g_animTimeParam.value = g_clock;
if (g_loadInfo) {
var progressInfo = g_loadInfo.getKnownProgressInfoSoFar();
if (progressInfo.percent != g_downloadPercent) {
g_downloadPercent = progressInfo.percent;
setStatus('Loading... ' + progressInfo.percent + '%' +
' (' + progressInfo.downloaded +
' of ' + progressInfo.totalBytes + progressInfo.suffix + ')');
}
}
}
/**
* Removes any callbacks so they don't get called after the page has unloaded.
*/
function unload() {
if (g_client) {
g_client.cleanup();
}
}
</script>
</head>
<body>
<h1>Animated scene.</h1>
Loads an scene with animation and plays it back.
<div class="status" id="status">Loading...</div>
<br/>
<!-- Start of O3D plugin -->
<div id="o3d" style="width: 600px; height: 600px;"></div>
<!-- End of O3D plugin -->
</body>
</html>