HomeWork 5

by wayne6172

HTML

<title>HomeWork5</title>

<script src="https://cdnjs.cloudflare.com/ajax/libs/three.js/110/three.min.js"></script>

<script src="https://threejs.org/examples/js/controls/OrbitControls.js"></script>

CSS

body {
    overflow: hidden;
}

JavaScript

var renderer, scene, camera, controls;

init();
animate();

function init() {
    renderer = new THREE.WebGLRenderer();
    document.body.appendChild(renderer.domElement);
    var width = window.innerWidth;
    var height = window.innerHeight;

    renderer.setSize(width, height);
    renderer.setClearColor(0x888888);

    scene = new THREE.Scene();
    var grid = new THREE.GridHelper(100, 100, 'red', 'white');
    scene.add(grid);


    var axes = new THREE.AxisHelper(5);
    scene.add(axes);

    camera = new THREE.PerspectiveCamera(35, width / height, 1, 1000);
    camera.position.y = 16;
    camera.position.x = camera.position.z = 40;
    camera.lookAt(new THREE.Vector3(0, 0, 0));

    controls = new THREE.OrbitControls(camera, renderer.domElement);

    CreateTank();
}

function CreateTank() {
	frame = new THREE.Object3D();
    scene.add(frame);

    
	BoxGeom = new THREE.BoxGeometry(25, 5, 16);
	CylinderGeom = new THREE.CylinderGeometry(5,5,10,20)
	material = new THREE.MeshNormalMaterial();

    var mesh = new THREE.Mesh(BoxGeom, material);
    mesh.position.set(12.5, 2.5, 0);
    var mesh1 = new THREE.Mesh(CylinderGeom, material);
    mesh1.position.set(15 + 5, 5 + 5, 0);
    frame.add(mesh);
    frame.add(mesh1);
}

function animate() {
    controls.update();
    requestAnimationFrame(animate);
    render();
}

function render() {
    renderer.render(scene, camera);
}

window.addEventListener('resize', onWindowResize, false);

function onWindowResize() {
    var width = window.innerWidth;
    var height = window.innerHeight;
    camera.aspect = width / height;
    camera.updateProjectionMatrix();
    renderer.setSize(width, height);
}