mirror of
https://github.com/Doodle3D/Doodle3D-Slicer.git
synced 2024-12-25 12:23:49 +01:00
231 lines
5.6 KiB
HTML
231 lines
5.6 KiB
HTML
|
<!DOCTYPE html>
|
||
|
|
<html lang="en">
|
||
|
|
<head>
|
||
|
|
<title>three.js webgl - sprites</title>
|
||
|
|
<meta charset="utf-8">
|
||
|
|
<meta name="viewport" content="width=device-width, user-scalable=no, minimum-scale=1.0, maximum-scale=1.0">
|
||
|
|
<style>
|
||
|
|
body {
|
||
|
|
padding:0;
|
||
|
|
margin:0;
|
||
|
|
font-weight: bold;
|
||
|
|
overflow:hidden;
|
||
|
|
}
|
||
|
|
</style>
|
||
|
|
</head>
|
||
|
|
|
||
|
|
<body>
|
||
|
|
<script src="../build/three.min.js"></script>
|
||
|
|
|
||
|
|
<script>
|
||
|
|
|
||
|
|
var camera, scene, renderer;
|
||
|
|
var cameraOrtho, sceneOrtho;
|
||
|
|
|
||
|
|
var spriteTL, spriteTR, spriteBL, spriteBR, spriteC;
|
||
|
|
|
||
|
|
var mapC;
|
||
|
|
|
||
|
|
var group;
|
||
|
|
|
||
|
|
init();
|
||
|
|
animate();
|
||
|
|
|
||
|
|
function init() {
|
||
|
|
|
||
|
|
var width = window.innerWidth;
|
||
|
|
var height = window.innerHeight;
|
||
|
|
|
||
|
|
camera = new THREE.PerspectiveCamera( 60, width / height, 1, 2100 );
|
||
|
|
camera.position.z = 1500;
|
||
|
|
|
||
|
|
cameraOrtho = new THREE.OrthographicCamera( - width / 2, width / 2, height / 2, - height / 2, 1, 10 );
|
||
|
|
cameraOrtho.position.z = 10;
|
||
|
|
|
||
|
|
scene = new THREE.Scene();
|
||
|
|
scene.fog = new THREE.Fog( 0x000000, 1500, 2100 );
|
||
|
|
|
||
|
|
sceneOrtho = new THREE.Scene();
|
||
|
|
|
||
|
|
// create sprites
|
||
|
|
|
||
|
|
var amount = 200;
|
||
|
|
var radius = 500;
|
||
|
|
|
||
|
|
var mapA = THREE.ImageUtils.loadTexture( "textures/sprite0.png", undefined, createHUDSprites );
|
||
|
|
var mapB = THREE.ImageUtils.loadTexture( "textures/sprite1.png" );
|
||
|
|
mapC = THREE.ImageUtils.loadTexture( "textures/sprite2.png" );
|
||
|
|
|
||
|
|
group = new THREE.Group();
|
||
|
|
|
||
|
|
var materialC = new THREE.SpriteMaterial( { map: mapC, color: 0xffffff, fog: true } );
|
||
|
|
var materialB = new THREE.SpriteMaterial( { map: mapB, color: 0xffffff, fog: true } );
|
||
|
|
|
||
|
|
for ( var a = 0; a < amount; a ++ ) {
|
||
|
|
|
||
|
|
var x = Math.random() - 0.5;
|
||
|
|
var y = Math.random() - 0.5;
|
||
|
|
var z = Math.random() - 0.5;
|
||
|
|
|
||
|
|
if ( z < 0 ) {
|
||
|
|
|
||
|
|
material = materialB.clone();
|
||
|
|
|
||
|
|
} else {
|
||
|
|
|
||
|
|
material = materialC.clone();
|
||
|
|
material.color.setHSL( 0.5 * Math.random(), 0.75, 0.5 );
|
||
|
|
material.map.offset.set( -0.5, -0.5 );
|
||
|
|
material.map.repeat.set( 2, 2 );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
var sprite = new THREE.Sprite( material );
|
||
|
|
|
||
|
|
sprite.position.set( x, y, z );
|
||
|
|
sprite.position.normalize();
|
||
|
|
sprite.position.multiplyScalar( radius );
|
||
|
|
|
||
|
|
group.add( sprite );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
scene.add( group );
|
||
|
|
|
||
|
|
// renderer
|
||
|
|
|
||
|
|
renderer = new THREE.WebGLRenderer();
|
||
|
|
renderer.setPixelRatio( window.devicePixelRatio );
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
renderer.autoClear = false; // To allow render overlay on top of sprited sphere
|
||
|
|
|
||
|
|
document.body.appendChild( renderer.domElement );
|
||
|
|
|
||
|
|
//
|
||
|
|
|
||
|
|
window.addEventListener( 'resize', onWindowResize, false );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function createHUDSprites ( texture ) {
|
||
|
|
|
||
|
|
var material = new THREE.SpriteMaterial( { map: texture } );
|
||
|
|
|
||
|
|
var width = material.map.image.width;
|
||
|
|
var height = material.map.image.height;
|
||
|
|
|
||
|
|
spriteTL = new THREE.Sprite( material );
|
||
|
|
spriteTL.scale.set( width, height, 1 );
|
||
|
|
sceneOrtho.add( spriteTL );
|
||
|
|
|
||
|
|
spriteTR = new THREE.Sprite( material );
|
||
|
|
spriteTR.scale.set( width, height, 1 );
|
||
|
|
sceneOrtho.add( spriteTR );
|
||
|
|
|
||
|
|
spriteBL = new THREE.Sprite( material );
|
||
|
|
spriteBL.scale.set( width, height, 1 );
|
||
|
|
sceneOrtho.add( spriteBL );
|
||
|
|
|
||
|
|
spriteBR = new THREE.Sprite( material );
|
||
|
|
spriteBR.scale.set( width, height, 1 );
|
||
|
|
sceneOrtho.add( spriteBR );
|
||
|
|
|
||
|
|
spriteC = new THREE.Sprite( material );
|
||
|
|
spriteC.scale.set( width, height, 1 );
|
||
|
|
sceneOrtho.add( spriteC );
|
||
|
|
|
||
|
|
updateHUDSprites();
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
function updateHUDSprites () {
|
||
|
|
|
||
|
|
var width = window.innerWidth / 2;
|
||
|
|
var height = window.innerHeight / 2;
|
||
|
|
|
||
|
|
var material = spriteTL.material;
|
||
|
|
|
||
|
|
var imageWidth = material.map.image.width / 2;
|
||
|
|
var imageHeight = material.map.image.height / 2;
|
||
|
|
|
||
|
|
spriteTL.position.set( - width + imageWidth, height - imageHeight, 1 ); // top left
|
||
|
|
spriteTR.position.set( width - imageWidth, height - imageHeight, 1 ); // top right
|
||
|
|
spriteBL.position.set( - width + imageWidth, - height + imageHeight, 1 ); // bottom left
|
||
|
|
spriteBR.position.set( width - imageWidth, - height + imageHeight, 1 ); // bottom right
|
||
|
|
spriteC.position.set( 0, 0, 1 ); // center
|
||
|
|
|
||
|
|
};
|
||
|
|
|
||
|
|
function onWindowResize() {
|
||
|
|
|
||
|
|
var width = window.innerWidth;
|
||
|
|
var height = window.innerHeight;
|
||
|
|
|
||
|
|
camera.aspect = width / height;
|
||
|
|
camera.updateProjectionMatrix();
|
||
|
|
|
||
|
|
cameraOrtho.left = - width / 2;
|
||
|
|
cameraOrtho.right = width / 2;
|
||
|
|
cameraOrtho.top = height / 2;
|
||
|
|
cameraOrtho.bottom = - height / 2;
|
||
|
|
cameraOrtho.updateProjectionMatrix();
|
||
|
|
|
||
|
|
updateHUDSprites();
|
||
|
|
|
||
|
|
renderer.setSize( window.innerWidth, window.innerHeight );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function animate() {
|
||
|
|
|
||
|
|
requestAnimationFrame( animate );
|
||
|
|
render();
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
function render() {
|
||
|
|
|
||
|
|
var time = Date.now() / 1000;
|
||
|
|
|
||
|
|
for ( var i = 0, l = group.children.length; i < l; i ++ ) {
|
||
|
|
|
||
|
|
var sprite = group.children[ i ];
|
||
|
|
var material = sprite.material;
|
||
|
|
var scale = Math.sin( time + sprite.position.x * 0.01 ) * 0.3 + 1.0;
|
||
|
|
|
||
|
|
var imageWidth = 1;
|
||
|
|
var imageHeight = 1;
|
||
|
|
|
||
|
|
if ( material.map && material.map.image && material.map.image.width ) {
|
||
|
|
|
||
|
|
imageWidth = material.map.image.width;
|
||
|
|
imageHeight = material.map.image.height;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
sprite.material.rotation += 0.1 * ( i / l );
|
||
|
|
sprite.scale.set( scale * imageWidth, scale * imageHeight, 1.0 );
|
||
|
|
|
||
|
|
if ( material.map !== mapC ) {
|
||
|
|
|
||
|
|
material.opacity = Math.sin( time + sprite.position.x * 0.01 ) * 0.4 + 0.6;
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
group.rotation.x = time * 0.5;
|
||
|
|
group.rotation.y = time * 0.75;
|
||
|
|
group.rotation.z = time * 1.0;
|
||
|
|
|
||
|
|
renderer.clear();
|
||
|
|
renderer.render( scene, camera );
|
||
|
|
renderer.clearDepth();
|
||
|
|
renderer.render( sceneOrtho, cameraOrtho );
|
||
|
|
|
||
|
|
}
|
||
|
|
|
||
|
|
</script>
|
||
|
|
</body>
|
||
|
|
</html>
|