createSmoke¶
Description: Create default smoke effects
const view = await System.UI.findControl('3DViewer1')// Obtain a 3D viewer control named "3DViewer1" in the page
const scene = await view.getScene();
const smoke = scene.createSmoke({
name: 'smoke',//Create the name of the smoke
position: {x: 0, y: 0, z: 0},//Create the center position of the smoke
size: 5//Smoke size(default 1)
});
Example:
Write the above code on the button, click the button, and you can create a smoke effect at the specified location

Turn off special effects:
