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Merged
merged 1 commit into from
Apr 9, 2018
Merged

Examples: Clean up #13808

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32 changes: 15 additions & 17 deletions examples/webgl_points_billboards.html
View file
Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,7 @@

if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

var container, stats;
var camera, scene, renderer, particles, geometry, material, i, h, color, sprite, size;
var camera, scene, renderer, stats, material;
var mouseX = 0, mouseY = 0;

var windowHalfX = window.innerWidth / 2;
Expand All @@ -57,47 +56,46 @@

function init() {

container = document.createElement( 'div' );
document.body.appendChild( container );

camera = new THREE.PerspectiveCamera( 55, window.innerWidth / window.innerHeight, 2, 2000 );
camera.position.z = 1000;

scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.001 );

geometry = new THREE.Geometry();
var geometry = new THREE.BufferGeometry();
var vertices = [];

sprite = new THREE.TextureLoader().load( "textures/sprites/disc.png" );
var sprite = new THREE.TextureLoader().load( 'textures/sprites/disc.png' );

for ( i = 0; i < 10000; i ++ ) {
for ( var i = 0; i < 10000; i ++ ) {

var vertex = new THREE.Vector3();
vertex.x = 2000 * Math.random() - 1000;
vertex.y = 2000 * Math.random() - 1000;
vertex.z = 2000 * Math.random() - 1000;
var x = 2000 * Math.random() - 1000;
var y = 2000 * Math.random() - 1000;
var z = 2000 * Math.random() - 1000;

geometry.vertices.push( vertex );
vertices.push( x, y, z );

}

geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );

material = new THREE.PointsMaterial( { size: 35, sizeAttenuation: false, map: sprite, alphaTest: 0.5, transparent: true } );
material.color.setHSL( 1.0, 0.3, 0.7 );

particles = new THREE.Points( geometry, material );
var particles = new THREE.Points( geometry, material );
scene.add( particles );

//

renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.body.appendChild( renderer.domElement );

//

stats = new Stats();
container.appendChild( stats.dom );
document.body.appendChild( stats.dom );

//

Expand Down Expand Up @@ -175,7 +173,7 @@

camera.lookAt( scene.position );

h = ( 360 * ( 1.0 + time ) % 360 ) / 360;
var h = ( 360 * ( 1.0 + time ) % 360 ) / 360;
material.color.setHSL( h, 0.5, 0.5 );

renderer.render( scene, camera );
Expand Down
41 changes: 21 additions & 20 deletions examples/webgl_points_billboards_colors.html
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,7 @@

if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

var container, stats;
var camera, scene, renderer, particles, geometry, material, i, h, color, colors = [], sprite, size;
var camera, scene, renderer, stats, material;
var mouseX = 0, mouseY = 0;

var windowHalfX = window.innerWidth / 2;
Expand All @@ -57,52 +56,54 @@

function init() {

container = document.createElement( 'div' );
document.body.appendChild( container );

camera = new THREE.PerspectiveCamera( 50, window.innerWidth / window.innerHeight, 1, 3000 );
camera.position.z = 1400;

scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.0009 );

geometry = new THREE.Geometry();
var geometry = new THREE.BufferGeometry();
var vertices = [];
var colors = [];

var sprite = new THREE.TextureLoader().load( 'textures/sprites/ball.png' );

sprite = new THREE.TextureLoader().load( "textures/sprites/ball.png" );
var color = new THREE.Color();

for ( i = 0; i < 5000; i ++ ) {
for ( var i = 0; i < 5000; i ++ ) {

var vertex = new THREE.Vector3();
vertex.x = 2000 * Math.random() - 1000;
vertex.y = 2000 * Math.random() - 1000;
vertex.z = 2000 * Math.random() - 1000;
var x = 2000 * Math.random() - 1000;
var y = 2000 * Math.random() - 1000;
var z = 2000 * Math.random() - 1000;

geometry.vertices.push( vertex );
color.setHSL( ( x + 1000 ) / 2000, 1, 0.5 );

colors[ i ] = new THREE.Color( 0xffffff );
colors[ i ].setHSL( ( vertex.x + 1000 ) / 2000, 1, 0.5 );
vertices.push( x, y, z );
colors.push( color.r, color.g, color.b );

}

geometry.colors = colors;
geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );
geometry.addAttribute( 'color', new THREE.Float32BufferAttribute( colors, 3 ) );


material = new THREE.PointsMaterial( { size: 85, map: sprite, vertexColors: THREE.VertexColors, alphaTest: 0.5, transparent: true } );
material.color.setHSL( 1.0, 0.2, 0.7 );

particles = new THREE.Points( geometry, material );
var particles = new THREE.Points( geometry, material );
scene.add( particles );

//

renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.body.appendChild( renderer.domElement );

//

stats = new Stats();
container.appendChild( stats.dom );
document.body.appendChild( stats.dom );

//

Expand Down Expand Up @@ -180,7 +181,7 @@

camera.lookAt( scene.position );

h = ( 360 * ( 1.0 + time ) % 360 ) / 360;
var h = ( 360 * ( 1.0 + time ) % 360 ) / 360;
material.color.setHSL( h, 1.0, 0.6 );

renderer.render( scene, camera );
Expand Down
56 changes: 27 additions & 29 deletions examples/webgl_points_random.html
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Open in desktop
Original file line number Diff line number Diff line change
Expand Up @@ -45,8 +45,7 @@

if ( ! Detector.webgl ) Detector.addGetWebGLMessage();

var container, stats;
var camera, scene, renderer, particles, geometry, materials = [], parameters, i, h, color, size;
var camera, scene, renderer, stats, materials = [], parameters;
var mouseX = 0, mouseY = 0;

var windowHalfX = window.innerWidth / 2;
Expand All @@ -57,44 +56,43 @@

function init() {

container = document.createElement( 'div' );
document.body.appendChild( container );

camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 1, 3000 );
camera.position.z = 1000;

scene = new THREE.Scene();
scene.fog = new THREE.FogExp2( 0x000000, 0.0007 );

geometry = new THREE.Geometry();
var geometry = new THREE.BufferGeometry();

var vertices = [];

for ( i = 0; i < 20000; i ++ ) {
for ( var i = 0; i < 20000; i ++ ) {

var vertex = new THREE.Vector3();
vertex.x = Math.random() * 2000 - 1000;
vertex.y = Math.random() * 2000 - 1000;
vertex.z = Math.random() * 2000 - 1000;
var x = Math.random() * 2000 - 1000;
var y = Math.random() * 2000 - 1000;
var z = Math.random() * 2000 - 1000;

geometry.vertices.push( vertex );
vertices.push( x, y, z );

}

geometry.addAttribute( 'position', new THREE.Float32BufferAttribute( vertices, 3 ) );

parameters = [
[ [1, 1, 0.5], 5 ],
[ [0.95, 1, 0.5], 4 ],
[ [0.90, 1, 0.5], 3 ],
[ [0.85, 1, 0.5], 2 ],
[ [0.80, 1, 0.5], 1 ]
[ [ 1, 1, 0.5 ], 5 ],
[ [ 0.95, 1, 0.5 ], 4 ],
[ [ 0.90, 1, 0.5 ], 3 ],
[ [ 0.85, 1, 0.5 ], 2 ],
[ [ 0.80, 1, 0.5 ], 1 ]
];

for ( i = 0; i < parameters.length; i ++ ) {
for ( var i = 0; i < parameters.length; i ++ ) {

color = parameters[i][0];
size = parameters[i][1];
var size = parameters[ i ][ 1 ];

materials[i] = new THREE.PointsMaterial( { size: size } );
materials[ i ] = new THREE.PointsMaterial( { size: size } );

particles = new THREE.Points( geometry, materials[i] );
var particles = new THREE.Points( geometry, materials[ i ] );

particles.rotation.x = Math.random() * 6;
particles.rotation.y = Math.random() * 6;
Expand All @@ -107,10 +105,10 @@
renderer = new THREE.WebGLRenderer();
renderer.setPixelRatio( window.devicePixelRatio );
renderer.setSize( window.innerWidth, window.innerHeight );
container.appendChild( renderer.domElement );
document.body.appendChild( renderer.domElement );

stats = new Stats();
container.appendChild( stats.dom );
document.body.appendChild( stats.dom );

document.addEventListener( 'mousemove', onDocumentMouseMove, false );
document.addEventListener( 'touchstart', onDocumentTouchStart, false );
Expand Down Expand Up @@ -187,7 +185,7 @@

camera.lookAt( scene.position );

for ( i = 0; i < scene.children.length; i ++ ) {
for ( var i = 0; i < scene.children.length; i ++ ) {

var object = scene.children[ i ];

Expand All @@ -199,12 +197,12 @@

}

for ( i = 0; i < materials.length; i ++ ) {
for ( var i = 0; i < materials.length; i ++ ) {

color = parameters[i][0];
var color = parameters[ i ][ 0 ];

h = ( 360 * ( color[0] + time ) % 360 ) / 360;
materials[i].color.setHSL( h, color[1], color[2] );
var h = ( 360 * ( color[ 0 ] + time ) % 360 ) / 360;
materials[ i ].color.setHSL( h, color[ 1 ], color[ 2 ] );

}

Expand Down
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