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-<!--
-Copyright 2009, Google Inc.
-All rights reserved.
-
-Redistribution and use in source and binary forms, with or without
-modification, are permitted provided that the following conditions are
-met:
-
- * Redistributions of source code must retain the above copyright
-notice, this list of conditions and the following disclaimer.
- * Redistributions in binary form must reproduce the above
-copyright notice, this list of conditions and the following disclaimer
-in the documentation and/or other materials provided with the
-distribution.
- * Neither the name of Google Inc. nor the names of its
-contributors may be used to endorse or promote products derived from
-this software without specific prior written permission.
-
-THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
-"AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
-LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
-A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
-OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
-SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
-LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
-DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
-THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
-(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
-OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
--->
-
-<!--
-O3D ZSorting.
--->
-<!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>
-ZSorting.
-</title>
-<!-- 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.primitives');
-o3djs.require('o3djs.material');
-
-// Events
-// init() once the page has finished loading.
-// unload() when the page is unloaded.
-window.onload = init;
-window.onunload = unload;
-
-// global variables
-var g_timeMult = 1.0;
-var g_framesRendered = 0;
-var g_o3d;
-var g_math;
-var g_client;
-var g_viewInfo;
-var g_pack;
-var g_clock = 0;
-var g_finished = false; // for selenium testing
-var g_groupTransforms = [];
-var GROUPS_ACROSS = 2;
-var UNITS_ACROSS_GROUP = 2;
-var TOTAL_ACROSS = GROUPS_ACROSS * UNITS_ACROSS_GROUP;
-var HALF_WIDTH = TOTAL_ACROSS * 0.0;
-var UNIT_SPACING = 100;
-
-/**
- * Make a grid of transforms and put a teapot instance on each one
- * @param {!o3d.Pack} pack Pack to create transforms in.
- * @param {!o3d.Shape} shape Shape to instance.
- */
-function createInstances(pack, shape) {
- for (var g = 0; g < GROUPS_ACROSS; g++) {
- for (var h = 0; h < GROUPS_ACROSS; h++) {
- for (var i = 0; i < GROUPS_ACROSS; i++) {
- var groupTransform = pack.createObject('Transform');
- g_groupTransforms[g_groupTransforms.length] = groupTransform;
- groupTransform.parent = g_client.root;
- groupTransform.translate(
- (g * UNITS_ACROSS_GROUP - HALF_WIDTH) * UNIT_SPACING,
- (h * UNITS_ACROSS_GROUP - HALF_WIDTH) * UNIT_SPACING,
- (i * UNITS_ACROSS_GROUP - HALF_WIDTH) * UNIT_SPACING);
- for (var x = 0; x < UNITS_ACROSS_GROUP; x++) {
- for (var y = 0; y < UNITS_ACROSS_GROUP; y++) {
- for (var z = 0; z < UNITS_ACROSS_GROUP; z++) {
- var transform = pack.createObject('Transform');
- transform.parent = groupTransform;
- transform.addShape(shape);
- transform.translate(
- (x - UNITS_ACROSS_GROUP * 0.5) * UNIT_SPACING,
- (y - UNITS_ACROSS_GROUP * 0.5) * UNIT_SPACING,
- (z - UNITS_ACROSS_GROUP * 0.5) * UNIT_SPACING);
- transform.createParam('diffuse', 'ParamFloat4').value = [
- (g * UNITS_ACROSS_GROUP + x) * (1 / TOTAL_ACROSS),
- (h * UNITS_ACROSS_GROUP + y) * (1 / TOTAL_ACROSS),
- (i * UNITS_ACROSS_GROUP + z) * (1 / TOTAL_ACROSS),
- 0.5];
- }
- }
- }
- }
- }
- }
-}
-
-/**
- * Creates the client area.
- */
-function init() {
- o3djs.util.makeClients(initStep2);
-}
-
-/**
- * Initializes O3D and creates one shape.
- * @param {Array} clientElements Array of o3d object elements.
- */
-function initStep2(clientElements) {
- // Initialize 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();
-
- g_viewInfo = o3djs.rendergraph.createBasicView(
- g_pack,
- g_client.root,
- g_client.renderGraphRoot);
-
- // Create our projection matrix, with a vertical field of view of 45
- // degrees a near clipping plane of 0.1 and far clipping plane of 10000.
- g_viewInfo.drawContext.projection = g_math.matrix4.perspective(
- g_math.degToRad(45),
- g_client.width / g_client.height,
- 0.1,
- 10000);
-
- // Create a Material.
- var material = o3djs.material.createBasicMaterial(
- g_pack, g_viewInfo, [1, 1, 1, 1], true);
-
- // Create a sphere.
- var shape = o3djs.primitives.createSphere(g_pack, material, 30, 20, 20);
-
- createInstances(g_pack, shape);
-
- // Setup an onrender callback for animation.
- g_client.setRenderCallback(onrender);
-
- g_finished = true; // for selenium testing.
-}
-
-// spin the camera.
-function onrender(renderEvent) {
- g_framesRendered++;
- // Get the number of seconds since the last render.
- var elapsedTime = renderEvent.elapsedTime;
- g_clock += elapsedTime * g_timeMult;
-
- var x = Math.sin(g_clock * 0.1) * 400;
- var z = Math.cos(g_clock * 0.1) * 400;
- var y = Math.sin(g_clock * 0.2) * 400;
-
- g_viewInfo.drawContext.view = g_math.matrix4.lookAt(
- [x, y, z], // eye
- [0, 0, 0], // target
- [0, 1, 0]); // up
-}
-
-/**
- * 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>ZSorting</h1>
-Objects get zsorted for transparency.
-<br/>
-<!-- Start of O3D plugin -->
-<div id="o3d" style="width: 800px; height: 600px"></div>
-<!-- End of O3D plugin -->
-</body>
-</html>
generated by cgit v1.1 at 2025-05-08 12:29:51 +0000