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Examples: Make Mirror examples resizable. #21297

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Merged
merged 3 commits into from
Feb 19, 2021
Merged

Examples: Make Mirror examples resizable. #21297

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8f1b971
webgl_mirror.html resizable
gonnavis Feb 17, 2021
e115ace
webgl_mirror_nodes.html resizable
gonnavis Feb 17, 2021
126f028
1. Directly call getRenderTarget() in onWindowResize().
gonnavis Feb 18, 2021
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45 changes: 32 additions & 13 deletions examples/webgl_mirror.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -27,13 +27,9 @@
import { OrbitControls } from './jsm/controls/OrbitControls.js';
import { Reflector } from './jsm/objects/Reflector.js';

// scene size
const WIDTH = window.innerWidth;
const HEIGHT = window.innerHeight;

// camera
const VIEW_ANGLE = 45;
const ASPECT = WIDTH / HEIGHT;
let aspect = window.innerWidth / window.innerHeight;
const NEAR = 1;
const FAR = 500;

Expand All @@ -43,6 +39,8 @@

let sphereGroup, smallSphere;

let groundMirror, verticalMirror;

init();
animate();

Expand All @@ -53,14 +51,14 @@
// renderer
renderer = new THREE.WebGLRenderer( { antialias: true } );
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( WIDTH, HEIGHT );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );

// scene
scene = new THREE.Scene();

// camera
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR );
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, aspect, NEAR, FAR );
camera.position.set( 0, 75, 160 );

cameraControls = new OrbitControls( camera, renderer.domElement );
Expand All @@ -78,21 +76,21 @@
let geometry, material;

geometry = new THREE.CircleGeometry( 40, 64 );
const groundMirror = new Reflector( geometry, {
groundMirror = new Reflector( geometry, {
clipBias: 0.003,
textureWidth: WIDTH * window.devicePixelRatio,
textureHeight: HEIGHT * window.devicePixelRatio,
textureWidth: window.innerWidth * window.devicePixelRatio,
textureHeight: window.innerHeight * window.devicePixelRatio,
color: 0x777777
} );
groundMirror.position.y = 0.5;
groundMirror.rotateX( - Math.PI / 2 );
scene.add( groundMirror );

geometry = new THREE.PlaneGeometry( 100, 100 );
const verticalMirror = new Reflector( geometry, {
verticalMirror = new Reflector( geometry, {
clipBias: 0.003,
textureWidth: WIDTH * window.devicePixelRatio,
textureHeight: HEIGHT * window.devicePixelRatio,
textureWidth: window.innerWidth * window.devicePixelRatio,
textureHeight: window.innerHeight * window.devicePixelRatio,
color: 0x889999
} );
verticalMirror.position.y = 50;
Expand Down Expand Up @@ -168,6 +166,27 @@
blueLight.position.set( 0, 50, 550 );
scene.add( blueLight );

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

}

function onWindowResize() {

aspect = window.innerWidth / window.innerHeight;
camera.aspect = aspect;
camera.updateProjectionMatrix();

renderer.setSize( window.innerWidth, window.innerHeight );

groundMirror.getRenderTarget().setSize(
window.innerWidth * window.devicePixelRatio,
window.innerHeight * window.devicePixelRatio
);
verticalMirror.getRenderTarget().setSize(
window.innerWidth * window.devicePixelRatio,
window.innerHeight * window.devicePixelRatio
);

}

function animate() {
Expand Down
49 changes: 39 additions & 10 deletions examples/webgl_mirror_nodes.html
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Original file line number Diff line number Diff line change
Expand Up @@ -41,13 +41,9 @@
NormalMapNode,
} from './jsm/nodes/Nodes.js';

// scene size
const WIDTH = window.innerWidth;
const HEIGHT = window.innerHeight;

// camera
const VIEW_ANGLE = 45;
const ASPECT = WIDTH / HEIGHT;
let aspect = window.innerWidth / window.innerHeight;
const NEAR = 1;
const FAR = 500;

Expand All @@ -68,18 +64,21 @@

const frame = new NodeFrame();

let groundMirror;
let blurMirror;

function init() {

// renderer
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( WIDTH, HEIGHT );
renderer.setSize( window.innerWidth, window.innerHeight );

// scene
scene = new THREE.Scene();

// camera
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, ASPECT, NEAR, FAR );
camera = new THREE.PerspectiveCamera( VIEW_ANGLE, aspect, NEAR, FAR );
camera.position.set( 0, 75, 160 );

cameraControls = new OrbitControls( camera, renderer.domElement );
Expand All @@ -91,6 +90,29 @@
const container = document.getElementById( 'container' );
container.appendChild( renderer.domElement );

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

}

function onWindowResize() {

aspect = window.innerWidth / window.innerHeight;
camera.aspect = aspect;
camera.updateProjectionMatrix();

renderer.setSize( window.innerWidth, window.innerHeight );

groundMirror.getRenderTarget().setSize(
window.innerWidth * window.devicePixelRatio,
window.innerHeight * window.devicePixelRatio
);

blurMirror.size.set(
window.innerWidth * window.devicePixelRatio,
window.innerHeight * window.devicePixelRatio
);
blurMirror.updateFrame()

}

function fillScene() {
Expand All @@ -101,7 +123,11 @@

// reflector/mirror plane
geometry = new THREE.PlaneGeometry( 100, 100 );
const groundMirror = new ReflectorRTT( geometry, { clipBias: 0.003, textureWidth: WIDTH, textureHeight: HEIGHT } );
groundMirror = new ReflectorRTT( geometry, {
clipBias: 0.003,
textureWidth: window.innerWidth * window.devicePixelRatio,
textureHeight: window.innerHeight * window.devicePixelRatio
} );

const mask = new SwitchNode( new TextureNode( decalDiffuse ), 'w' );

Expand All @@ -126,8 +152,11 @@
OperatorNode.MUL
);

const blurMirror = new BlurNode( mirror );
blurMirror.size = new THREE.Vector2( WIDTH, HEIGHT );
blurMirror = new BlurNode( mirror );
blurMirror.size = new THREE.Vector2(
window.innerWidth * window.devicePixelRatio,
window.innerHeight * window.devicePixelRatio
);
blurMirror.uv = new ExpressionNode( "projCoord.xyz / projCoord.q", "vec3" );
blurMirror.uv.keywords[ "projCoord" ] = new OperatorNode( mirror.offset, mirror.uv, OperatorNode.ADD );
blurMirror.radius.x = blurMirror.radius.y = 0;
Expand Down