Phiên bản đầy đủ: jsB@nk » 3D » Thái Dương hệ xoay theo chuột
URL: https://www.javascriptbank.com/examples-solarsystem3d.html
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Phiên bản đầy đủ: jsB@nk » 3D » Thái Dương hệ xoay theo chuột
URL: https://www.javascriptbank.com/examples-solarsystem3d.html
<SCRIPT language=javascript><!-- // (c) 2001 Till Nagel, till@netzministerium.de & Rene Sander, rene@netzministerium.de/* This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com*/// ---------------------------------------------------------------------------// MATERIALSvar sunMaterial = new Material('<img src="images/sun.gif" width="20" height="20" alt="" border="0">');var mercuryMaterial = createClipButtonMaterial("images/mercury.gif", 20, 180, 20, 20, 9);var venusMaterial = createClipButtonMaterial("images/venus.gif", 20, 180, 20, 20, 9);var earthMaterial = createClipButtonMaterial("images/earth.gif", 20, 180, 20, 20, 9);var moonMaterial = createClipButtonMaterial("images/moon.gif", 20, 180, 20, 20, 9);var marsMaterial = createClipButtonMaterial("images/mars.gif", 20, 180, 20, 20, 9);// ---------------------------------------------------------------------------// MODELS// A Planet object to capsule planet propertiesfunction Planet(name, material, distance, rotation) {this.name = name;this.distance = distance;this.rotation = rotation;this.toString = PlanetToString;// creates new planet modelthis.model = new Model(name, material);this.model.setPoints( new Array( new Point3D(0, 0, 0, 0) ) );// moves the planet to its positionvar myMatrix = new Matrix();myMatrix.translate(this.distance, 0, 0);this.model.transform(myMatrix);// assign animate methodthis.animate = PlanetAnimate;// renders animation matrixthis.rotationMatrix = new Matrix();this.rotationMatrix.rotateY(this.rotation);}function PlanetAnimate() {this.model.transform(this.rotationMatrix);}function PlanetToString() {return this.name + " @ " + this.distance + " with " + this.rotation + ".";}// ---------------------------------------------------------------------------// the planetsvar planets = new Array(new Planet("mercury", mercuryMaterial, 0.387, 0.235), // 47.8725 km/snew Planet("venus", venusMaterial, 0.72, 0.175), // 35.0214 km/snew Planet("earth", earthMaterial, 1, 0.145), // 29.7859 km/snew Planet("mars", marsMaterial, 1.5, 0.12) // 24.1309 km/s//new Planet("saturn", saturnMaterial, -0.8, 0.05));// the special objects// sunvar sunModel = new Model("sun", sunMaterial);sunModel.setPoints( new Array(new Point3D(0, 0, 0, 0)) );// moon of the earthvar moonModel = new Model("moon", moonMaterial);moonModel.setPoints( new Array(new Point3D(0, 0, 0, 0)) ); // 1.023 km/svar moonInitMatrix = new Matrix();moonInitMatrix.translate(0.1, 0, 0);//moonModel.setPivot(0.1, 0, 0);moonModel.transform(moonInitMatrix);// ---------------------------------------------------------------------------// MODULATORS// modulator to rotate the model dependent on mouse interactionsvar myMouseModulator = new MouseModulator("myMouseModulator", MouseModulator.MODE_ROTATE);// ---------------------------------------------------------------------------function initOnLoad() {fixNetscape();// creates and inits matrix to initialize the solar systemvar initMatrix = new Matrix();initMatrix.scale(180, 180, 180);initMatrix.rotateX( degToRad(-90) );sunModel.assignLayers(); // NS bug fixsunModel.transform(initMatrix);sunModel.draw();// links all planets to the sunfor (i = 0; i < planets.length; i++) {planets[i].model.assignLayers(); // NS bug fixplanets[i].model.linkTo(sunModel);planets[i].model.draw();}// links moon to the earthmoonModel.assignLayers(); // NS bug fixmoonModel.linkTo(planets[2].model);moonModel.draw();// starts animationanimate();}/* * The main animate method. Calls itself repeatedly. */function animate() {var delay = 1;// animates modulators ------------------------------------------myMouseModulator.animate();mouseModMatrix = myMouseModulator.getMatrix();// animates models ----------------------------------------------// transforms the solar system depending on mouse movements.sunModel.transform(mouseModMatrix);// updates displaysunModel.draw();// rotates every planetfor (planetIndex = 0; planetIndex < planets.length; planetIndex++) {var p = planets[planetIndex];if (p.animate) p.animate();p.model.draw();}// rotates the moonvar staticRotateMatrix = new Matrix();staticRotateMatrix = new Matrix();staticRotateMatrix.rotateY(0.4);staticRotateMatrix.rotateZ(0.4);moonModel.transform(staticRotateMatrix);moonModel.draw();// loop ---------------------------------------------------------// calls itself with an delay to decouple client computer speed from the animation speed.// result: the animation is as fast as possible.setTimeout("animate()", delay);}// event handlingdocument.onmousemove = mouseMoveHandler;document.onmousedown = mouseDownHandler;document.onmouseup = mouseUpHandler;if (ns) document.captureEvents(Event.MOUSEMOVE | Event.MOUSEDOWN | Event.MOUSEUP);/* * The mouse handlers in this document must call the modulator's handlers. * To be able to use a mouse modulator and to do your own stuff. */function mouseMoveHandler(e) {// calls move handler of the mouse modulatormyMouseModulator.move(e);return !ie;} function mouseDownHandler(e) {// calls down handler of the mouse modulatormyMouseModulator.down(e);}function mouseUpHandler(e) {// calls up handler of the mouse modulatormyMouseModulator.up(e);}// --></SCRIPT><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com--><BODY bgColor=black bottomMargin=0 leftMargin=0 onload=initOnLoad() text=white><!-- layer to bugfix netscape --><DIV id=fixnetscape style="POSITION: absolute; VISIBILITY: hidden"></DIV><SCRIPT language=JavaScript type=text/javascript><!-- // (c) 2001 Till Nagel, till@netzministerium.de & Rene Sander, rene@netzministerium.de// MANDATORY: INSERTION OF HTML PART INTO PAGE// creates the HTML code representing the model's points// NB: This is written directly into the page from within the methodsunModel.createPointCode();moonModel.createPointCode();for (i = 0; i < planets.length; i++) {planets[i].model.createPointCode()}// --></SCRIPT></body><!-- This script downloaded from www.JavaScriptBank.com Come to view and download over 2000+ free javascript at www.JavaScriptBank.com-->http://javascriptbank.com/javascript/3d/js/LyrObj.jshttp://javascriptbank.com/javascript/3d/js/3dhtml.jshttp://javascriptbank.com/javascript/3d/js/ClipButton.jshttp://javascriptbank.com/javascript/3d/js/materials.jshttp://javascriptbank.com/javascript/3d/js/ClipButton.jshttp://javascriptbank.com/javascript/3d/js/ClipButton.jshttp://javascriptbank.com/javascript/3d/examples/images/sun.gifhttp://javascriptbank.com/javascript/3d/examples/images/mercury.gifhttp://javascriptbank.com/javascript/3d/examples/images/venus.gifhttp://javascriptbank.com/javascript/3d/examples/images/earth.gifhttp://javascriptbank.com/javascript/3d/examples/images/moon.gifhttp://javascriptbank.com/javascript/3d/examples/images/mars.gif