6398d60b3b
* Add info to some examples * Push a few more descriptions * Couple more * Touch up card descriptions * Fix 'drop' typo * Live typo
30 lines
613 B
Markdown
30 lines
613 B
Markdown
# Stop watch
|
|
|
|
Press ``A`` to start the counter. Press ``A`` again to stop and display the count.
|
|
|
|
```blocks
|
|
let msec = 0
|
|
let sec = 0
|
|
let end = 0
|
|
let d = 0
|
|
let start = 0
|
|
input.onButtonPressed(Button.A, () => {
|
|
if (!(start)) {
|
|
start = input.runningTime()
|
|
end = 0
|
|
} else {
|
|
d = input.runningTime() - start
|
|
start = 0
|
|
basic.clearScreen()
|
|
basic.pause(1000)
|
|
sec = d / 1000
|
|
msec = d % 1000
|
|
basic.showString("" + sec + "." + msec)
|
|
}
|
|
})
|
|
basic.forever(() => {
|
|
if (start) {
|
|
led.toggle(Math.random(5), Math.random(5))
|
|
}
|
|
})
|
|
``` |