Struggling to modify the color and image of a material, I attempted to do so with the code below:
material = new THREE.MeshPhongMaterial({map:THREE.ImageUtils.loadTexture('3d/caneca/e.jpg')});
Unfortunately, my attempts were unsuccessful. The object in question has 3 materials, and I was aiming to adjust the color of one while updating the texture of another.
One way to dynamically change the appearance of an object is by modifying its material during runtime. This involves creating a new material with desired properties and assigning it to the object. For instance, the code snippet below demonstrates how to create a 'MeshStandardMaterial' in white color along with specified characteristics. It includes a texture that has been loaded, with 'box' representing the target object for the material.
var material = new THREE.MeshStandardMaterial( { color: 0xffffff, side: THREE.FrontSide, opacity: 0.3, transparent: true, vertexColors: THREE.FaceColors, map : <THE TEXTURE YOU HAVE LOADED> } );
An alternative method involves loading the texture using TextureLoader, and then constructing the material once the texture is ready. The following code exemplifies this process:
var loader = new THREE.TextureLoader();
function onLoad( texture ) {
var material = new THREE.MeshPhongMaterial( { map : texture, color : 0xff0000 } );
box.material = material;
}
function onProgress( xhr ) {
console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
}
function onError( xhr ) {
console.error( 'An error happened' );
}
loader.load( 'assets/img/crate.png', onLoad, onProgress, onError );
Furthermore, you have the option to modify the color and texture of the material without generating a new material,
To adjust only the color,
box.material.color.setHex( 0xff0000 );// will set red color for the box
or to alter the texture,
var loader = new THREE.TextureLoader();
function onLoad( texture ) {
box.material.map = texture;
}
function onProgress( xhr ) {
console.log( ( xhr.loaded / xhr.total * 100 ) + '% loaded' );
}
function onError( xhr ) {
console.error( 'An error happened' );
}
loader.load( 'assets/img/Dice-Blue-5.png', onLoad, onProgress, onError );
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