Find whether the sprite is touching another sprite you say.
Sprites are touching if they share the same LED.
let item: game.LedSprite = null;
item.isTouching(null);
true if the two sprites are touching.
This program creates two sprites called matter and antimatter,
and then checks whether they are touching. If they are, there is an
explosion.
let matter = game.createSprite(2, 2);
let antimatter = game.createSprite(2, 2);
if (matter.isTouching(antimatter)) {
basic.pause(500);
basic.clearScreen();
basic.showString("BOOM!");
}