String w1 ="Sarat";
String w2 ="Sarat";
String w3 = new String("Sarat");
System.out.println(w1.hashCode()); //3254818
System.out.println(w2.hashCode()); //3254818
System.out.println(w3.hashCode()); //3254818
System.out.println(System.identityHashCode(w1)); //prints 705927765
System.out.println(System.identityHashCode(w2)); //prints 705927765
System.out.println(System.identityHashCode(w3)); //prints 366712642
if(w1==w2) // (705927765==705927765)
{
System.out.println("true");
}
else
{
System.out.println("false");
}
//prints true
if(w2==w3) // (705927765==366712642)
{
System.out.println("true");
}
else
{
System.out.println("false");
}
//prints false
if(w2.equals(w3)) // (Content of 705927765== Content of 366712642)
{
System.out.println("true");
}
else
{
System.out.println("false");
}
//prints true
Благодаря тому, что @gaitat указал. решение заключалось в том, чтобы объединить / использовать один и тот же сценарий для всех полотен и дублировать только переменные, такие как рендер, сфера, материал и т. д.
var renderer = new THREE.WebGLRenderer({ canvas : document.getElementById('canvas1'), antialias:true, alpha: true});
// default bg canvas color //
renderer.setClearColor( 0xffffff, 0)
var renderer2 = new THREE.WebGLRenderer({ canvas : document.getElementById('canvas2'), antialias:true, alpha: true});
// default bg canvas color //
renderer2.setClearColor( 0xffffff, 0);
// use device aspect ratio //
renderer.setPixelRatio(window.devicePixelRatio);
// set size of canvas within window //
renderer.setSize(900, 900);
// use device aspect ratio //
renderer2.setPixelRatio(window.devicePixelRatio);
// set size of canvas within window //
renderer2.setSize(900, 900);
var scene = new THREE.Scene();
var scene2 = new THREE.Scene();
var camera2 = new THREE.PerspectiveCamera( 35, 900/900, 0.1, 100 );
camera2.position.z = 3.5;
var camera = new THREE.PerspectiveCamera( 35, 900/900, 0.1, 100 );
camera.position.z = 4;
var texture2 = new THREE.TextureLoader().load( 'images/blue2.png' );
var texture = new THREE.TextureLoader().load( 'images/pink6.png' );
var sphere_geometry = new THREE.SphereGeometry(200, 200, 200);
var material2 = new THREE.MeshBasicMaterial( { map: texture2 } );
var material = new THREE.MeshBasicMaterial( { map: texture } );
var sphere = new THREE.Mesh(sphere_geometry, material);
var sphere2 = new THREE.Mesh(sphere_geometry, material2);
scene.add(sphere);
scene2.add(sphere2);
var update = function() {
// change '0.003' for more aggressive animation
var time = performance.now() * 0.0005;
//console.log(time)
//go through vertices here and reposition them
// change 'k' value for more spikes
var k = 1;
for (var i = 0; i < sphere.geometry.vertices.length; i++) {
var p = sphere.geometry.vertices[i];
p.normalize().multiplyScalar(1 + 0.1 * noise.perlin3(p.x * k + time, p.y * k, p.z * k));
}
sphere.geometry.computeVertexNormals();
sphere.geometry.normalsNeedUpdate = true;
sphere.geometry.verticesNeedUpdate = true;
}
function animate() {
sphere.rotation.y += 0.001;
//sphere.rotation.y += 0.01;
update();
/* render scene and camera */
renderer.render(scene,camera);
renderer2.render(scene2,camera2);
requestAnimationFrame(animate);
}
window.addEventListener( 'resize', onWindowResize, false );
function onWindowResize(){
camera.aspect = 900 / 900;
camera.updateProjectionMatrix();
camera2.aspect = 900 / 900;
camera2.updateProjectionMatrix();
renderer.setSize( 900, 900 );
renderer2.setSize( 900, 900 );
}
requestAnimationFrame(animate);