{"id":275,"date":"2014-11-25T21:09:43","date_gmt":"2014-11-25T13:09:43","guid":{"rendered":"http:\/\/www.hightopo.com\/blog\/?p=275"},"modified":"2014-11-25T21:11:56","modified_gmt":"2014-11-25T13:11:56","slug":"%e5%9f%ba%e4%ba%8eht-for-web-3d%e5%91%88%e7%8e%b0box2djs%e7%89%a9%e7%90%86%e5%bc%95%e6%93%8e","status":"publish","type":"post","link":"https:\/\/www.hightopo.com\/blog\/275.html","title":{"rendered":"\u57fa\u4e8eHT for Web 3D\u5448\u73b0Box2DJS\u7269\u7406\u5f15\u64ce"},"content":{"rendered":"<p><a href=\"http:\/\/www.hightopo.com\/blog\/269.html\">\u4e0a\u7bc7<\/a>\u6211\u4eec\u57fa\u4e8e<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u5448\u73b0\u4e86<a href=\"http:\/\/www.hightopo.com\/blog\/269.html\">A* Search Algorithm<\/a>\u76843D\u5bfb\u8def\u6548\u679c\uff0c\u8fd9\u7bc7\u6211\u4eec\u5c06\u91c7\u7528<a href=\"http:\/\/www.hightopo.com\/\">HT for Web 3D<\/a>\u6765\u5448\u73b0Box2DJS\u7269\u7406\u5f15\u64ce\u7684\u78b0\u649e\u6548\u679c\uff0c\u540c\u4e0a\u7bc7\u5176\u5b9eBox2DJS\u53ea\u662f\u4e8c\u7ef4\u7684\u5e73\u9762\u78b0\u649e\u7269\u7406\u5f15\u64ce\uff0c\u4f46\u540c\u6837\u901a\u8fc73D\u7684\u5448\u73b0\u80fd\u8ba9\u4eba\u66f4\u76f4\u89c2\u7684\u4f53\u9a8c\u5230\u78b0\u649e\u6548\u679c\uff0c\u5148\u4e0a\u5f20\u6700\u7ec8\u4f8b\u5b50\u6548\u679c\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-276\" alt=\"Screen Shot 2014-11-25 at 8.05.11 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png\" width=\"700\" height=\"443\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png 700w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM-300x189.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM-200x126.png 200w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p>Box2D\u6700\u65e9\u662fErin Catto\u5728<a href=\"http:\/\/en.wikipedia.org\/wiki\/Game_Developers_Conference\">GDC<\/a>\u5927\u4f1a\u4e0a\u7684\u4e00\u4e2a\u5c55\u793a\u4f8b\u5b50\uff0c\u540e\u6765\u4e0d\u65ad\u5b8c\u5584\u6210C++\u7684\u5f00\u6e90\u7269\u7406\u5f15\u64ce\u5e93\uff0c\u8fd9\u4e9b\u5e74\u4e86\u884d\u751f\u51faJava\u3001ActionScript\u4ee5\u53caJS\u7b49\u7248\u672c\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u5728\u6e38\u620f\u9886\u57df\u3002\u8bf4\u5176\u4e30\u5bcc\u7684\u786e\u5f88\u4e30\u5bcc\uff0c\u8bf4\u4e71\u4e5f\u591f\u4e71\u7684\uff0c\u627e\u4e2aBox2D\u7684JS\u7248\u5c31\u6709N\u591a\u9009\u62e9\uff0c\u800c\u4e14\u4e0d\u540c\u7248\u672cAPI\u8fd8\u6709\u5dee\u5f02\uff0c\u53ef\u53c2\u8003\u8fd9\u91cc\u7684\u5bf9\u6bd4\u00a0<a href=\"http:\/\/stackoverflow.com\/questions\/7628078\/which-box2d-javascript-library-should-i-use\">http:\/\/stackoverflow.com\/questions\/7628078\/which-box2d-javascript-library-should-i-use<\/a><\/p>\n<p>\u867d\u7136\u7248\u672c\u8f83\u591a\u6709\u70b9\u4e71\uff0c\u4f46\u5404\u4e2a\u7248\u672c\u7684\u57fa\u672c\u539f\u7406\u548cAPI\u90fd\u7c7b\u4f3c\uff0c\u4ee5\u4e0b\u4e3a\u6211\u57fa\u4e8eBox2DJS\u878d\u5408<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u5199\u7684\u4f8b\u5b50\u4ee3\u7801\u3002Box2D\u6709\u5f88\u591a\u53c2\u6570\u529f\u80fd\u70b9\uff0c\u8fd9\u91cc\u4f8b\u5b50\u6211\u4eec\u4ec5\u5448\u73b0\u6700\u57fa\u7840\u7b80\u5355\u7684\u8981\u7d20\uff0c\u4e3b\u8981\u8ba9\u5927\u5bb6\u7406\u89e3Box2DJS\u5f15\u64ce\u7684\u57fa\u672c\u4f7f\u7528\uff0c\u4ee5\u53ca\u5448\u73b0\u4e0a\u5982\u4f55\u4e0e<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7ed3\u5408\u3002<\/p>\n<pre class=\"&quot;brush:javascript\u201d\">\tfunction init() {\r\n\t\tdm = new ht.DataModel();\r\n\t\tg3d = new ht.graph3d.Graph3dView(dm);\r\n\t\tg3d.setGridVisible(true);\r\n\t\tg3d.addToDOM();\r\n\t\tg3d.setEye(100, 50, 150);\r\n\r\n\t\t\/\/ Define the world\r\n\t\tvar gravity = new b2Vec2(0, -100);\r\n\t\tvar doSleep = false;\r\n\t\tworld = new b2World(gravity, doSleep);\r\n\r\n\t\tcreateNode([0, -3, 0], [100, 6, 100], false, 0);\r\n\t\tcreateNode([-100, -50, 0], [400, 6, 100], false, -Math.PI\/8);\r\n\t\tcreateNode([100, -50, 0], [50, 6, 100], false, Math.PI\/6);\r\n\r\n\t\tcreateNode([1, 50, 0], [10, 10, 10], true);\r\n\t\tcreateNode([-1, 90, 0], [10, 10, 10], true);\r\n\r\n\t\trender();\r\n\t}\r\n\r\n\tfunction createNode(p3, s3, dynamic, angle) {\r\n\t\tvar node = new ht.Node();\r\n\t\tnode.p3(p3);\r\n\t\tnode.s3(s3);               \r\n\t\tnode.setRotationZ(angle == null ? Math.PI * Math.random() : angle);\r\n\t\tdm.add(node);\r\n\r\n\t\tvar fixDef = new b2FixtureDef();\r\n\t\tif (dynamic) {\r\n\t\t\tfixDef.density = 0.5;\r\n\t\t\tfixDef.friction = 0.5;\r\n\t\t\tfixDef.restitution = 0.5;                    \r\n\t\t\tnode.s({\r\n\t\t\t\t'all.color': 'red',\r\n\t\t\t\t'batch': 'dynamic'\r\n\t\t\t});\r\n\t\t} else {\r\n\t\t\tfixDef.density = 0.0;                    \r\n\t\t}\r\n\r\n\t\tvar shape = new b2PolygonShape();\r\n\t\tshape.SetAsBox(s3[0] \/ 2, s3[1] \/ 2);\r\n\t\tfixDef.shape = shape;\r\n\r\n\t\tvar bodyDef = new b2BodyDef();\r\n\t\tbodyDef.type = dynamic ? b2Body.b2_dynamicBody : b2Body.b2_staticBody;\r\n\t\tbodyDef.position.Set(p3[0], p3[1]);\r\n\t\tbodyDef.angle = node.getRotationZ();\r\n\t\tbodyDef.userData = node;\r\n\r\n\t\tworld.CreateBody(bodyDef).CreateFixture(fixDef);\r\n\t}\r\n\r\n\tcount = 0\r\n\tfunction render() {\r\n\t\tcount++;\r\n\t\tif(count % 10 === 0){\r\n\t\t\tcreateNode([-1, 50, 0], [10, 10, 10], true);\r\n\t\t}                \r\n\t\tworld.Step(1 \/ 60, 10, 10);\r\n\t\tvar list = world.GetBodyList();\r\n\t\twhile (list) {                                              \r\n\t\t\tvar node = list.m_userData;\r\n\t\t\tif(node){\r\n\t\t\t\tvar position = list.GetPosition();\r\n\t\t\t\tif(position.y &lt; -150 || g3d.isSelected(node)){\r\n\t\t\t\t\tdm.remove(node);\r\n\t\t\t\t\tworld.DestroyBody(list);\r\n\t\t\t\t}else{\r\n\t\t\t\t\tnode.p3(position.x, position.y, 0);\r\n\t\t\t\t\tnode.setRotationZ(list.GetAngle());                            \r\n\t\t\t\t}                                              \r\n\t\t\t}                    \r\n\t\t\tlist = list.GetNext();\r\n\t\t}                    \r\n\t\trequestAnimationFrame(render);\r\n\t}<\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5728createNode\u4e2d\u5373\u6784\u5efa\u7684<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7684Node\u5bf9\u8c61\uff0c\u540c\u65f6\u6784\u5efa\u4e86Box2D\u7684Body\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7userData\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\uff0c\u5728requestAnimationFrame\u7684\u6e32\u67d3\u8fc7\u7a0b\uff0c\u5148\u901a\u8fc7world.Step(1 \/ 60, 10, 10);\u66f4\u65b0\u7269\u7406\u5f15\u64ce\u7684\u5185\u90e8\u8fd0\u7b97\uff0c\u7136\u540e\u904d\u5386\u6240\u6709Body\u5143\u7d20\u5c06\u8fd0\u7b97\u7ed3\u679c\uff0c\u4e5f\u5c31\u662fBody\u7684\u4f4d\u7f6e\u548c\u65cb\u8f6c\u89d2\u5ea6\u7b49\u4fe1\u606f\u540c\u6b65\u5230<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7684Node\u5bf9\u8c61\uff0c\u4ece\u800c\u8fbe\u5230\u4e86<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u548cBox2DJS\u7684\u5f3a\u5f3a\u7ed3\u5408\u5404\u65bd\u5176\u624d\u3002<\/p>\n<p>\u4f8b\u5b50\u4e2d\u7269\u4f53\u6389\u843d\u5230-150\u4ee5\u4e0b\u6211\u5c31\u5220\u9664\u4e86Box2DJS\u4ee5\u53ca<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u7684DataModel\u4e2d\u5bf9\u5e94\u7684\u6570\u636e\u5143\u7d20\uff0c\u540c\u65f6\u9009\u4e2d\u56fe\u5143\u4e5f\u4f1a\u81ea\u52a8\u5220\u9664\u56fe\u5143\uff0ccount % 10 === 0 \u8fd9\u4e2a\u7528\u6765\u6ca1\u5341\u6b21\u5237\u65b0\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u7acb\u65b9\u4f53\u3002Box2D\u8fd8\u53ef\u4ee5\u73a9\u51fa\u5f88\u591a\u82b1\u6837\uff0c\u5982\u679c\u6570\u636e\u91cf\u5927\u4e5f\u53ef\u4ee5\u8003\u8651\u53c2\u8003\u300a<a href=\"http:\/\/www.hightopo.com\/blog\/70.html\">3D\u62d3\u6251\u81ea\u52a8\u5e03\u5c40\u4e4bWeb Workers\u7bc7<\/a>\u300b\uff0c\u5c06Box2DJS\u7684\u5bc6\u96c6\u8fd0\u7b97\u5728WebWork\u4e2d\u6267\u884c\uff0c\u6211\u6ca1\u8bc4\u4f30\u8fc7\u6027\u80fd\u7684\u63d0\u5347\u5e45\u5ea6\uff0c\u6570\u636e\u91cf\u5927\u65f6WebWork\u548cGUI\u7ebf\u7a0b\u7684\u6570\u636e\u5e8f\u5217\u5316\u4f20\u9012\u4e5f\u4f1a\u6709\u8d1f\u62c5\u9700\u6ce8\u610f\uff0c\u6700\u7ec8\u7684\u4f8b\u5b503D\u6548\u679c\u73a9\u8d77\u6765\u8fd8\u662f\u633a\u6709\u8da3\u7684\uff1a<a href=\"http:\/\/v.youku.com\/v_show\/id_XODM0OTQ0NzEy.html\">http:\/\/v.youku.com\/v_show\/id_XODM0OTQ0NzEy.html<\/a><\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/player.youku.com\/embed\/XODM0OTQ0NzEy\" height=\"498\" width=\"510\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-277\" alt=\"Screen Shot 2014-11-25 at 8.06.57 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png\" width=\"700\" height=\"461\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png 700w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM-300x197.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM-200x131.png 200w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<p><a href=\"http:\/\/www.hightopo.com\/blog\/269.html\">\u4e0a\u7bc7<\/a>\u6211\u4eec\u57fa\u4e8e<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u5448\u73b0\u4e86<a href=\"http:\/\/www.hightopo.com\/blog\/269.html\">A* Search Algorithm<\/a>\u76843D\u5bfb\u8def\u6548\u679c\uff0c\u8fd9\u7bc7\u6211\u4eec\u5c06\u91c7\u7528<a href=\"http:\/\/www.hightopo.com\/\">HT for Web 3D<\/a>\u6765\u5448\u73b0Box2DJS\u7269\u7406\u5f15\u64ce\u7684\u78b0\u649e\u6548\u679c\uff0c\u540c\u4e0a\u7bc7\u5176\u5b9eBox2DJS\u53ea\u662f\u4e8c\u7ef4\u7684\u5e73\u9762\u78b0\u649e\u7269\u7406\u5f15\u64ce\uff0c\u4f46\u540c\u6837\u901a\u8fc73D\u7684\u5448\u73b0\u80fd\u8ba9\u4eba\u66f4\u76f4\u89c2\u7684\u4f53\u9a8c\u5230\u78b0\u649e\u6548\u679c\uff0c\u5148\u4e0a\u5f20\u6700\u7ec8\u4f8b\u5b50\u6548\u679c\u56fe\uff1a<\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-276\" alt=\"Screen Shot 2014-11-25 at 8.05.11 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png\" width=\"700\" height=\"443\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM.png 700w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM-300x189.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.05.11-PM-200x126.png 200w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n<p>Box2D\u6700\u65e9\u662fErin Catto\u5728<a href=\"http:\/\/en.wikipedia.org\/wiki\/Game_Developers_Conference\">GDC<\/a>\u5927\u4f1a\u4e0a\u7684\u4e00\u4e2a\u5c55\u793a\u4f8b\u5b50\uff0c\u540e\u6765\u4e0d\u65ad\u5b8c\u5584\u6210C++\u7684\u5f00\u6e90\u7269\u7406\u5f15\u64ce\u5e93\uff0c\u8fd9\u4e9b\u5e74\u4e86\u884d\u751f\u51faJava\u3001ActionScript\u4ee5\u53caJS\u7b49\u7248\u672c\uff0c\u88ab\u5e7f\u6cdb\u5e94\u7528\u5728\u6e38\u620f\u9886\u57df\u3002\u8bf4\u5176\u4e30\u5bcc\u7684\u786e\u5f88\u4e30\u5bcc\uff0c\u8bf4\u4e71\u4e5f\u591f\u4e71\u7684\uff0c\u627e\u4e2aBox2D\u7684JS\u7248\u5c31\u6709N\u591a\u9009\u62e9\uff0c\u800c\u4e14\u4e0d\u540c\u7248\u672cAPI\u8fd8\u6709\u5dee\u5f02\uff0c\u53ef\u53c2\u8003\u8fd9\u91cc\u7684\u5bf9\u6bd4\u00a0<a href=\"http:\/\/stackoverflow.com\/questions\/7628078\/which-box2d-javascript-library-should-i-use\">http:\/\/stackoverflow.com\/questions\/7628078\/which-box2d-javascript-library-should-i-use<\/a><\/p>\n<p>\u867d\u7136\u7248\u672c\u8f83\u591a\u6709\u70b9\u4e71\uff0c\u4f46\u5404\u4e2a\u7248\u672c\u7684\u57fa\u672c\u539f\u7406\u548cAPI\u90fd\u7c7b\u4f3c\uff0c\u4ee5\u4e0b\u4e3a\u6211\u57fa\u4e8eBox2DJS\u878d\u5408<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u5199\u7684\u4f8b\u5b50\u4ee3\u7801\u3002Box2D\u6709\u5f88\u591a\u53c2\u6570\u529f\u80fd\u70b9\uff0c\u8fd9\u91cc\u4f8b\u5b50\u6211\u4eec\u4ec5\u5448\u73b0\u6700\u57fa\u7840\u7b80\u5355\u7684\u8981\u7d20\uff0c\u4e3b\u8981\u8ba9\u5927\u5bb6\u7406\u89e3Box2DJS\u5f15\u64ce\u7684\u57fa\u672c\u4f7f\u7528\uff0c\u4ee5\u53ca\u5448\u73b0\u4e0a\u5982\u4f55\u4e0e<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7ed3\u5408\u3002<\/p>\n<pre class=\"&quot;brush:javascript\u201d\">\tfunction init() {\r\n\t\tdm = new ht.DataModel();\r\n\t\tg3d = new ht.graph3d.Graph3dView(dm);\r\n\t\tg3d.setGridVisible(true);\r\n\t\tg3d.addToDOM();\r\n\t\tg3d.setEye(100, 50, 150);\r\n\r\n\t\t\/\/ Define the world\r\n\t\tvar gravity = new b2Vec2(0, -100);\r\n\t\tvar doSleep = false;\r\n\t\tworld = new b2World(gravity, doSleep);\r\n\r\n\t\tcreateNode([0, -3, 0], [100, 6, 100], false, 0);\r\n\t\tcreateNode([-100, -50, 0], [400, 6, 100], false, -Math.PI\/8);\r\n\t\tcreateNode([100, -50, 0], [50, 6, 100], false, Math.PI\/6);\r\n\r\n\t\tcreateNode([1, 50, 0], [10, 10, 10], true);\r\n\t\tcreateNode([-1, 90, 0], [10, 10, 10], true);\r\n\r\n\t\trender();\r\n\t}\r\n\r\n\tfunction createNode(p3, s3, dynamic, angle) {\r\n\t\tvar node = new ht.Node();\r\n\t\tnode.p3(p3);\r\n\t\tnode.s3(s3);               \r\n\t\tnode.setRotationZ(angle == null ? Math.PI * Math.random() : angle);\r\n\t\tdm.add(node);\r\n\r\n\t\tvar fixDef = new b2FixtureDef();\r\n\t\tif (dynamic) {\r\n\t\t\tfixDef.density = 0.5;\r\n\t\t\tfixDef.friction = 0.5;\r\n\t\t\tfixDef.restitution = 0.5;                    \r\n\t\t\tnode.s({\r\n\t\t\t\t'all.color': 'red',\r\n\t\t\t\t'batch': 'dynamic'\r\n\t\t\t});\r\n\t\t} else {\r\n\t\t\tfixDef.density = 0.0;                    \r\n\t\t}\r\n\r\n\t\tvar shape = new b2PolygonShape();\r\n\t\tshape.SetAsBox(s3[0] \/ 2, s3[1] \/ 2);\r\n\t\tfixDef.shape = shape;\r\n\r\n\t\tvar bodyDef = new b2BodyDef();\r\n\t\tbodyDef.type = dynamic ? b2Body.b2_dynamicBody : b2Body.b2_staticBody;\r\n\t\tbodyDef.position.Set(p3[0], p3[1]);\r\n\t\tbodyDef.angle = node.getRotationZ();\r\n\t\tbodyDef.userData = node;\r\n\r\n\t\tworld.CreateBody(bodyDef).CreateFixture(fixDef);\r\n\t}\r\n\r\n\tcount = 0\r\n\tfunction render() {\r\n\t\tcount++;\r\n\t\tif(count % 10 === 0){\r\n\t\t\tcreateNode([-1, 50, 0], [10, 10, 10], true);\r\n\t\t}                \r\n\t\tworld.Step(1 \/ 60, 10, 10);\r\n\t\tvar list = world.GetBodyList();\r\n\t\twhile (list) {                                              \r\n\t\t\tvar node = list.m_userData;\r\n\t\t\tif(node){\r\n\t\t\t\tvar position = list.GetPosition();\r\n\t\t\t\tif(position.y &lt; -150 || g3d.isSelected(node)){\r\n\t\t\t\t\tdm.remove(node);\r\n\t\t\t\t\tworld.DestroyBody(list);\r\n\t\t\t\t}else{\r\n\t\t\t\t\tnode.p3(position.x, position.y, 0);\r\n\t\t\t\t\tnode.setRotationZ(list.GetAngle());                            \r\n\t\t\t\t}                                              \r\n\t\t\t}                    \r\n\t\t\tlist = list.GetNext();\r\n\t\t}                    \r\n\t\trequestAnimationFrame(render);\r\n\t}<\/pre>\n<p>\u4ee5\u4e0a\u4ee3\u7801\u5728createNode\u4e2d\u5373\u6784\u5efa\u7684<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7684Node\u5bf9\u8c61\uff0c\u540c\u65f6\u6784\u5efa\u4e86Box2D\u7684Body\u5bf9\u8c61\uff0c\u5e76\u901a\u8fc7userData\u5c5e\u6027\u5173\u8054\u5728\u4e00\u8d77\uff0c\u5728requestAnimationFrame\u7684\u6e32\u67d3\u8fc7\u7a0b\uff0c\u5148\u901a\u8fc7world.Step(1 \/ 60, 10, 10);\u66f4\u65b0\u7269\u7406\u5f15\u64ce\u7684\u5185\u90e8\u8fd0\u7b97\uff0c\u7136\u540e\u904d\u5386\u6240\u6709Body\u5143\u7d20\u5c06\u8fd0\u7b97\u7ed3\u679c\uff0c\u4e5f\u5c31\u662fBody\u7684\u4f4d\u7f6e\u548c\u65cb\u8f6c\u89d2\u5ea6\u7b49\u4fe1\u606f\u540c\u6b65\u5230<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u7684Node\u5bf9\u8c61\uff0c\u4ece\u800c\u8fbe\u5230\u4e86<a href=\"http:\/\/www.hightopo.com\/\">HT for Web<\/a>\u548cBox2DJS\u7684\u5f3a\u5f3a\u7ed3\u5408\u5404\u65bd\u5176\u624d\u3002<\/p>\n<p>\u4f8b\u5b50\u4e2d\u7269\u4f53\u6389\u843d\u5230-150\u4ee5\u4e0b\u6211\u5c31\u5220\u9664\u4e86Box2DJS\u4ee5\u53ca<a href=\"http:\/\/www.hightopo.com\/\">HT<\/a>\u7684DataModel\u4e2d\u5bf9\u5e94\u7684\u6570\u636e\u5143\u7d20\uff0c\u540c\u65f6\u9009\u4e2d\u56fe\u5143\u4e5f\u4f1a\u81ea\u52a8\u5220\u9664\u56fe\u5143\uff0ccount % 10 === 0 \u8fd9\u4e2a\u7528\u6765\u6ca1\u5341\u6b21\u5237\u65b0\u4ea7\u751f\u4e00\u4e2a\u65b0\u7684\u7acb\u65b9\u4f53\u3002Box2D\u8fd8\u53ef\u4ee5\u73a9\u51fa\u5f88\u591a\u82b1\u6837\uff0c\u5982\u679c\u6570\u636e\u91cf\u5927\u4e5f\u53ef\u4ee5\u8003\u8651\u53c2\u8003\u300a<a href=\"http:\/\/www.hightopo.com\/blog\/70.html\">3D\u62d3\u6251\u81ea\u52a8\u5e03\u5c40\u4e4bWeb Workers\u7bc7<\/a>\u300b\uff0c\u5c06Box2DJS\u7684\u5bc6\u96c6\u8fd0\u7b97\u5728WebWork\u4e2d\u6267\u884c\uff0c\u6211\u6ca1\u8bc4\u4f30\u8fc7\u6027\u80fd\u7684\u63d0\u5347\u5e45\u5ea6\uff0c\u6570\u636e\u91cf\u5927\u65f6WebWork\u548cGUI\u7ebf\u7a0b\u7684\u6570\u636e\u5e8f\u5217\u5316\u4f20\u9012\u4e5f\u4f1a\u6709\u8d1f\u62c5\u9700\u6ce8\u610f\uff0c\u6700\u7ec8\u7684\u4f8b\u5b503D\u6548\u679c\u73a9\u8d77\u6765\u8fd8\u662f\u633a\u6709\u8da3\u7684\uff1a<a href=\"http:\/\/v.youku.com\/v_show\/id_XODM0OTQ0NzEy.html\">http:\/\/v.youku.com\/v_show\/id_XODM0OTQ0NzEy.html<\/a><\/p>\n<p><iframe loading=\"lazy\" src=\"http:\/\/player.youku.com\/embed\/XODM0OTQ0NzEy\" height=\"498\" width=\"510\" allowfullscreen=\"\" frameborder=\"0\"><\/iframe><\/p>\n<p><a href=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png\"><img loading=\"lazy\" class=\"alignnone size-full wp-image-277\" alt=\"Screen Shot 2014-11-25 at 8.06.57 PM\" src=\"http:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png\" width=\"700\" height=\"461\" srcset=\"https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM.png 700w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM-300x197.png 300w, https:\/\/www.hightopo.com\/blog\/wp-content\/uploads\/2014\/11\/Screen-Shot-2014-11-25-at-8.06.57-PM-200x131.png 200w\" sizes=\"(max-width: 700px) 100vw, 700px\" \/><\/a><\/p>\n","protected":false},"author":2,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":[],"categories":[1],"tags":[],"_links":{"self":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/275"}],"collection":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/users\/2"}],"replies":[{"embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/comments?post=275"}],"version-history":[{"count":2,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/275\/revisions"}],"predecessor-version":[{"id":279,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/posts\/275\/revisions\/279"}],"wp:attachment":[{"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/media?parent=275"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/categories?post=275"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/www.hightopo.com\/blog\/wp-json\/wp\/v2\/tags?post=275"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}