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animate(); | animate(); | ||
</source> | </source> | ||
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==Analyse du code== | ==Analyse du code== |
Version du 11 février 2018 à 16:49
Qu'est ce qu'un matériau ?"
Un matériau décrit l'apparence des objets :
- couleur,
- texture,
- reflets de la lumière.
Les couleurs
Les textures
Ombres et reflets
Quelques matériaux
Cas pratique
var scene = new THREE.Scene();
var camera = new THREE.PerspectiveCamera( 75, window.innerWidth / window.innerHeight, 0.1, 1000 );
camera.position.z = 100;
var renderer = new THREE.WebGLRenderer({alpha: true});
renderer.setSize( window.innerWidth, window.innerHeight );
document.body.appendChild( renderer.domElement );
var material = new THREE.MeshNormalMaterial();
var cube = forme(material ,-90,50);
var color = new THREE.Color( "#770077" );
var material = new THREE.MeshLambertMaterial( {color: color.getHex()} );
var cube1 = forme(material ,-50,50);
var color = new THREE.Color( "#FF0055" );
var material = new THREE.MeshLambertMaterial( {color: color.getHex(), wireframe: true} );
var cube2 = forme(material ,-10,50);
var geometry = new THREE.OctahedronGeometry( 15 );
var textureLoader = new THREE.TextureLoader();
var cube3; //déclaré en dehors de la fonction
textureLoader.crossOrigin = true;
textureLoader.load('../images/webglNoel05.jpeg', function(texture)
{
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 2, 1 );
var material = new THREE.MeshLambertMaterial( {map: texture} );
cube3 = new THREE.Mesh( geometry, material );
cube3.position.x = 30;
cube3.position.y = 50;
scene.add( cube3 );
});
var color = new THREE.Color( "#7833aa" );
var material = new THREE.MeshPhongMaterial( {color: color.getHex(), specular: 0x009900 } );
var cube4 = forme(material ,70,50);
var geometry = new THREE.OctahedronGeometry( 15 );
var textureLoader = new THREE.TextureLoader();
var cube5; //déclaré en dehors de la fonction
textureLoader.crossOrigin = true;
textureLoader.load('../images/webglNoel06.jpeg', function(texture)
{
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 2, 1 );
var material = new THREE.MeshPhongMaterial( {map: texture, specular: 0x009900 } );
cube5 = new THREE.Mesh( geometry, material );
cube5.position.x = -90;
cube5.position.y = 10;
scene.add( cube5);
});
var color = new THREE.Color( "#7833aa" );
var material = new THREE.MeshPhongMaterial( {color: color.getHex(), specular: 0x00ff00 } );
var cube6 = forme(material ,-50,10);
var geometry = new THREE.OctahedronGeometry( 20 );
var textureLoader = new THREE.TextureLoader();
var cube7; //déclaré en dehors de la fonction
textureLoader.crossOrigin = true;
textureLoader.load('../images/4268-bump.jpg', function(texture) {
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 2, 1 );
var material = new THREE.MeshPhongMaterial( {color: color.getHex(), bumpMap: texture} );
cube7 = new THREE.Mesh( geometry, material );
cube7.position.x = 0;
cube7.position.y = 10;
scene.add( cube7);
});
var marron = new THREE.Color( "#815B51" );
var geo = new THREE.SphereGeometry( 20, 32, 32 );
var textureLoader = new THREE.TextureLoader();
var cube8; //déclaré en dehors de la fonction
textureLoader.crossOrigin = true;
textureLoader.load('../images/bump_bois.jpg', function(texture) {
texture.wrapS = texture.wrapT = THREE.RepeatWrapping;
texture.repeat.set( 2, 1 );
var material = new THREE.MeshPhongMaterial( {color: marron.getHex(), bumpMap: texture} );
cube8 = new THREE.Mesh( geo, material );
cube8.position.x = 50;
cube8.position.y = 10;
scene.add( cube8);
});
var light = new THREE.PointLight( 0xFFFFFF , 1.5);
light.position.set( 10, 0, 80 );
scene.add(light);
var light2 = new THREE.PointLight( 0xFFFFFF , 1.0);
light2.position.set( -40, 11, -1 );
scene.add(light2);
function forme(material,posX,posY)
{
var geometry = new THREE.OctahedronGeometry(15 );
var obj = new THREE.Mesh(geometry, material);
obj.position.x = posX;
obj.position.y = posY;
scene.add(obj);
return obj;
}
function animate() {
requestAnimationFrame( animate );
cube.rotation.x += 0.01;
cube.rotation.y += 0.01;
cube1.rotation.x -= 0.01;
cube1.rotation.y += 0.01;
cube2.rotation.x += 0.01;
cube2.rotation.y -= 0.01;
cube3.rotation.x -= 0.01;
cube3.rotation.y -= 0.01;
cube4.rotation.x += 0.01;
cube4.rotation.y += 0.01;
cube5.rotation.x -= 0.01;
cube5.rotation.y += 0.01;
cube6.rotation.x += 0.01;
cube6.rotation.y -= 0.01;
cube7.rotation.x -= 0.01;
cube7.rotation.y -= 0.01;
cube8.rotation.x += 0.01;
cube8.rotation.y += 0.01;
renderer.render( scene, camera );
}
animate();
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