Last active
November 9, 2021 11:28
-
-
Save SabrinaMarkon/80805d3851e157bf1523704316619c9d to your computer and use it in GitHub Desktop.
Three.js Custom AxisHelper Axis Arrows - https://jsbin.com/vaqudin
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
<!DOCTYPE html> | |
<html> | |
<head> | |
<script type="text/javascript" src="https://getfirebug.com/firebug-lite-debug.js"></script> | |
<meta name="description" content="Three.js Custom AxisHelper Axis Arrows" /> | |
<meta charset="utf-8" /> | |
<title>Three.js Custom AxisHelper Axis Arrows</title> | |
<style> | |
#container { | |
background: #000000; | |
width: 100%; | |
height: 100%; | |
} | |
</style> | |
<meta charset=utf-8 /> | |
<title>Three.js Custom AxisHelper Axis Arrows</title> | |
<style id="jsbin-css"> | |
</style> | |
</head> | |
<body> | |
<div id="container"> | |
</div> | |
</body> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/jquery/3.2.1/jquery.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/85/three.min.js"></script> | |
<script src="https://cdnjs.cloudflare.com/ajax/libs/dat-gui/0.6.5/dat.gui.min.js"></script> | |
<script src="https://cdn.rawgit.com/mrdoob/three.js/master/examples/js/controls/OrbitControls.js"></script> | |
<script src="http://uopeopleweb.com/js/math.js"></script> | |
<script type="text/javascript"> | |
// set the scene size | |
var WIDTH = 500, HEIGHT = 500; | |
// set some camera attributes | |
var VIEW_ANGLE = 45, ASPECT = WIDTH / HEIGHT, NEAR = 1, FAR = 1000; | |
// get the DOM element to attach to | |
var $container = $('#container'); | |
// create a WebGL renderer, camera, and a scene | |
var renderer = new THREE.WebGLRenderer(); | |
var scene = new THREE.Scene(); | |
var clock = new THREE.Clock(); | |
var camera = new THREE.PerspectiveCamera(VIEW_ANGLE,ASPECT,NEAR,FAR); | |
// Set position for camera | |
camera.position.z = 40; | |
camera.position.y = 15; | |
// Add camera to scene | |
scene.add(camera) | |
// set up the camera controls. Please keep in mind that what this does is move the entire scene around. | |
// because the entire scene is moving the position of the camera and lights in relation to objects within | |
// the scene doesn't change so the lighting on the surface of the object(s) will not change either | |
var cameraControls = new THREE.OrbitControls(camera, renderer.domElement); | |
cameraControls.addEventListener( 'mousemove', renderer ); | |
cameraControls.autoRotate = true; | |
// start the renderer | |
renderer.setSize(WIDTH, HEIGHT); | |
// attach the render-supplied DOM element | |
$container.append(renderer.domElement); | |
// ---------------------------------------------------------------------------------------- | |
// END OF THE STANDARD CODE FOR THE ASSIGNMENT | |
// Following this is where you must place your own custom code to complete the assignment | |
// ---------------------------------------------------------------------------------------- | |
//Function to create/draw Axis helpers | |
drawAxisHelpers = function(params) { | |
var geometryArrow, meshXArrow, geometryXAxis, materialXAxis, meshXAxis, | |
meshYArrow, geometryYAxis, materialYAxis, meshYAxis, meshZArrow, | |
geometryZAxis, materialZAxis, meshZAxis; | |
// This function allows for the changing of parameters for all the axis helpers. I have used .2 as radius | |
// and 10 for height for this assignment because it makes the helpers the most visible for my scene | |
if (params == null) { | |
params = {}; | |
} | |
params.radius = params.radius || 0.20; | |
params.height = params.height || 10; | |
params.scene = params.scene || scene; | |
geometryArrow = new THREE.CylinderGeometry(0, 2 * params.radius, params.height / 5); | |
// This part defines and adds the X axis helper | |
materialXAxis = new THREE.MeshBasicMaterial({ | |
color: 0xFF0000 | |
}); | |
geometryXAxis = new THREE.CylinderGeometry(params.radius, params.radius, params.height); | |
meshXAxis = new THREE.Mesh(geometryXAxis, materialXAxis); | |
meshXArrow = new THREE.Mesh(geometryArrow, materialXAxis); | |
meshXAxis.add(meshXArrow); | |
meshXArrow.position.y += params.height / 2; | |
meshXAxis.rotation.z -= 90 * Math.PI / 180; | |
meshXAxis.position.x += params.height / 2; | |
params.scene.add(meshXAxis); | |
// This part defines and adds the Y axis helper | |
materialYAxis = new THREE.MeshBasicMaterial({ | |
color: 0x00FF00 | |
}); | |
geometryYAxis = new THREE.CylinderGeometry(params.radius, params.radius, params.height); | |
meshYAxis = new THREE.Mesh(geometryYAxis, materialYAxis); | |
meshYArrow = new THREE.Mesh(geometryArrow, materialYAxis); | |
meshYAxis.add(meshYArrow); | |
meshYArrow.position.y += params.height / 2; | |
meshYAxis.position.y += params.height / 2; | |
params.scene.add(meshYAxis); | |
// This part defines and adds the Z axis helper | |
materialZAxis = new THREE.MeshBasicMaterial({ | |
color: 0x0000FF | |
}); | |
geometryZAxis = new THREE.CylinderGeometry(params.radius, params.radius, params.height); | |
meshZAxis = new THREE.Mesh(geometryZAxis, materialZAxis); | |
meshZArrow = new THREE.Mesh(geometryArrow, materialZAxis); | |
meshZAxis.add(meshZArrow); | |
meshZAxis.rotation.x += 90 * Math.PI / 180; | |
meshZArrow.position.y += params.height / 2; | |
meshZAxis.position.z += params.height / 2; | |
return params.scene.add(meshZAxis); | |
}; | |
// Run the function to add/draw the axis helpers | |
drawAxisHelpers(); | |
// Add the camera | |
scene.add(camera); | |
// Create the gray plane and position it behind the molecule | |
var geometryPlane = new THREE.PlaneBufferGeometry(100, 100, 8, 8); | |
var materialPlane = new THREE.MeshLambertMaterial({ color: 0xDCDCDC, side: THREE.DoubleSide }); | |
materialPlane.flatShading = true; | |
var plane = new THREE.Mesh(geometryPlane, materialPlane); | |
plane.position.y = 0; | |
// Rotate plane to make it a floor | |
plane.rotateOnAxis(new THREE.Vector3( 1, 0, 0 ), THREE.Math.degToRad(90)); | |
// Add the plane to the scene | |
scene.add(plane); | |
// Add AmbientLight | |
var light = new THREE.AmbientLight(0xffffff); | |
scene.add(light); | |
// ---------------------------------------------------------------------------------------- | |
// END OF YOUR CUSTOM CODE FOR THE ASSIGNMENT | |
// The rendering functions that follow are standard and can be used for this assignment. | |
// You are welcome to customize them or create your own if you desire, however, you can | |
// simply use the code provided. | |
// | |
// Standard functions for rendering the scene. Notice how we have the animate function | |
// which submits a call to requestAnimationFrame to call animate. This creates a loop | |
// that will render the scene again whenever something within the scene changes. | |
function animate() { | |
requestAnimationFrame(animate); | |
render(); | |
} | |
function render() { | |
cameraControls.update(); | |
renderer.render(scene, camera); | |
} | |
animate(); | |
</script> | |
</html> |
Nice, this is exactly what I was looking for...
Thanks!!
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
Nice, this is exactly what I was looking for...