-function init() {\r
- class Point {\r
- constructor(x, y) {\r
- this.x = x;\r
- this.y = y;\r
- }\r
-\r
- add(that) {\r
- return new Point(\r
- this.x + that.x,\r
- this.y + that.y\r
- );\r
- }\r
-\r
- sub(that) {\r
- return new Point(\r
- this.x - that.x,\r
- this.y - that.y\r
- );\r
- }\r
-\r
- dist(that) {\r
- let a = this.x - that.x;\r
- let b = this.y - that.y;\r
- return Math.sqrt(a * a + b * b)\r
- }\r
- }\r
-\r
- let mousePos = new Point();\r
-\r
- const scene = new THREE.Scene();\r
- const camera = new THREE.PerspectiveCamera(75, window.innerWidth / window.innerHeight, 0.1, 1000);\r
-\r
- const renderer = new THREE.WebGLRenderer();\r
- renderer.setSize(window.innerWidth, window.innerHeight - 200);\r
- document.getElementById("threejscontainer").appendChild(renderer.domElement);\r
-\r
- const directionalLight = new THREE.DirectionalLight(0xffffff, 1);\r
- scene.add(directionalLight);\r
-\r
- const geometry = new THREE.BoxGeometry();\r
- const material = new THREE.MeshBasicMaterial({ color: 0x00ff00 });\r
- const cube = new THREE.Mesh(geometry, material);\r
- scene.add(cube);\r
-\r
- camera.position.z = 5;\r
-\r
- function animate(dt) {\r
- requestAnimationFrame(animate);\r
- renderer.render(scene, camera);\r
- }\r
-\r
- let canvas = document.getElementsByTagName("canvas")[0];\r
- let resize = function () {\r
- w = window.innerWidth;\r
- h = window.innerHeight - 200;\r
- canvas.width = w;\r
- canvas.height = h;\r
- }\r
- window.onresize = resize;\r
- resize();\r
- if (canvas.getContext) {\r
- ctx = canvas.getContext('2d');\r
- animate(performance.now());\r
- }\r
- canvas.onmousemove = (evt) => {\r
- mousePos.x = evt.clientX;\r
- mousePos.y = evt.clientY;\r
- };\r
-}
\ No newline at end of file