pxt-calliope/docs/lessons/die-roll.md
Michael Elliot Braun a14585d36f updating lessons
2016-03-30 15:54:19 -07:00

1.4 KiB

die roll lesson

create a die on the BBC micro:bit #button #pressed #math #random #var #string #if #docs

@video td/videos/die-roll-0

Topic

If (Conditionals)

Prior learning/place of lesson in scheme of work

Learn how to use an if statements to run code run code depending on whether a condition is true or not. We will be learning how to create a die with If statements, On Shake, Variables, Assignment Operator, Pick Random and Show LEDs

Documentation


input.onGesture(Gesture.Shake, () => {

})



let x = 0
x = Math.random(3)

if (true) {

}

basic.showLeds(`
    . . . . .
    . . . . .
    . . # . .
    . . . . .
    . . . . .
    `)




Objectives

  • learn how to run code when the BBC micro:bit is shaken, when running code in the web browser, moving the mouse quickly simulates shaking
  • learn how to create a local variable as a place where you can store and retrieve data
  • learn how the assignment operator is used to declare a new local variable
  • learn how to declare a new local variable or update the value of a variable
  • learn how to return a random number
  • learn how to conditionally run code depending on whether a condition is true or not
  • learn how to show an image on the LED screen