Creating a 2D Image Display in three.js

I'm facing a challenge with my threejs project. My goal is to have a 2D image appear on the screen when I press a key. I've done some research but haven't been able to find a solution that works for me. The methods I've tried either don't display the image properly or don't work at all. Sometimes, when I do manage to display the image, it appears behind my 3D environment container in the HTML, or it causes the entire 3D window to disappear even though the image size is not larger than the window. I don't have much experience working with images, so I'm not sure what I'm missing. Just to clarify, I'm not trying to display the image in 3D space, I simply want it to pop up on the screen, kind of like a menu.

javascriptimagethree.js

Answer №1

If you're looking for an easy way to have an element always face the camera in a 3D space, consider using a THREE.Sprite. It's simple to implement and ensures that the element remains facing the camera.

Take a look at this implementation example from the official documentation:

var map = new THREE.TextureLoader().load( "sprite.png" );
var material = new THREE.SpriteMaterial( { map: map, color: 0xffffff } );
var sprite = new THREE.Sprite( material );
scene.add( sprite );

Don't forget to adjust the scale of the sprite to match the dimensions of your image, and also ensure that the camera.position.z is set to a suitable value:

sprite.scale.set(imageWidth, imageHeight, 1);

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