A guide to transporting an item from coordinates {x,y} to {newx,newy} using Three.js

Question

A guide to transporting an item from coordinates {x,y} to {newx,newy} using Three.js

Given the coordinates X and Y of an object, where Z is always 0, I am seeking a way to smoothly move this object to a new location using Three.js, with a visible animation rather than suddenly appearing in a different spot.

UPDATE: Below is a sample code for the object (mesh) in question:

var mesh = new THREE.Mesh(new THREE.PlaneBufferGeometry(2, 2), new THREE.MeshBasicMaterial({img: THREE.ImageUtils.loadTexture('img.png')}))
scene.add(mesh)

UPDATE 2: While I can currently make my mesh jump to a new position using mesh.position.x = newX and mesh.position.y = newY, I am looking for a way to achieve a smoother transition similar to the effects seen in jQuery's animate() function.

javascript three.js

Answer 1

Answer №1

To create dynamic animations for any object, the key lies in making small adjustments frequently at a rapid pace.

This technique involves rendering the scene multiple times while slightly altering the object's position with each frame.

For example:

var change = new THREE.Vector3(0.3, 0.5, 0); // amount to move per frame

function animate() {
  object.position.add(change); // update position

  renderer.render(camera, scene); // generate new frame

  requestAnimationFrame(animate); // continue the loop
}

requestAnimationFrame(animate);

Answer 2

To create dynamic animations for any object, the key lies in making small adjustments frequently at a rapid pace.

This technique involves rendering the scene multiple times while slightly altering the object's position with each frame.

For example:

var change = new THREE.Vector3(0.3, 0.5, 0); // amount to move per frame

function animate() {
  object.position.add(change); // update position

  renderer.render(camera, scene); // generate new frame

  requestAnimationFrame(animate); // continue the loop
}

requestAnimationFrame(animate);

A guide to transporting an item from coordinates {x,y} to {newx,newy} using Three.js

Answer №1

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