JSFiddle - React, Tailwind, and code Playground
HTML
<script src="https://cdn.jsdelivr.net/npm/[email protected]/build/three.min.js"></script>
JavaScript
let camera, scene, renderer;
init();
animate();
function init() {
camera = new THREE.PerspectiveCamera(70, window.innerWidth / window.innerHeight, 0.01, 10);
camera.position.z = 1;
scene = new THREE.Scene();
const loader = new THREE.TextureLoader();
const diffuseMap = loader.load('https://threejs.org/examples/textures/brick_diffuse.jpg');
diffuseMap.wrapS = diffuseMap.wrapT = THREE.RepeatWrapping;
const displacementMap = loader.load('https://i.imgur.com/dHLcm3j.png');
displacementMap.format = THREE.LuminanceFormat;
const geometry = new THREE.PlaneGeometry();
const material = new THREE.MeshBasicMaterial({
map: diffuseMap
});
material.onBeforeCompile = function(shader) {
shader.uniforms.displacementMap = {
value: displacementMap
};
shader.fragmentShader = 'uniform sampler2D displacementMap;\n' + shader.fragmentShader;
shader.fragmentShader = shader.fragmentShader.replace(
'#include <map_fragment>',
`
#ifdef USE_MAP
float displacement = texture2D( displacementMap, vUv ).r;
vec4 texelColor = texture2D( map, vUv + displacement );
texelColor = mapTexelToLinear( texelColor );
diffuseColor *= texelColor;
#endif
`
);
material.userData.shader = shader;
};
const mesh = new THREE.Mesh(geometry, material);
scene.add(mesh);
renderer = new THREE.WebGLRenderer({
antialias: true
});
renderer.setSize(window.innerWidth, window.innerHeight);
document.body.appendChild(renderer.domElement);
}
function animate() {
requestAnimationFrame(animate);
renderer.render(scene, camera);
}