70 lines
1.9 KiB
Markdown
70 lines
1.9 KiB
Markdown
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# micro:bit
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The micro:bit device api. #microbit
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Initialize the library.
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{shim:}
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MACRO: shim
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```
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if (board == null) {
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compassHeadingValue = (<number>null)
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startTime = new Date()
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board = media.createPortraitBoard(612, 498 + 100)
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wall.setBackground(colors.transparent())
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let picture = microbitSchema.clone()
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let padding = 27
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let left = 205
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let top = 156
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picture.fillRect(left - padding, top, 205 + padding + 4, 200 + padding + 4, 0, colors.black())
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picture.fillRect(274, 74, 63, 16, 0, colors.black())
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bkg = board.createPicture(picture)
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bkg.width() = board.width()
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bkg.left() = 0
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bkg.top() = 0
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createButtons()
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finger = board.createEllipse(20, 20)
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finger.setOpacity(0)
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ledOnColor = "#ff4f4f".toColor()
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ledOffColor = colors.transparent()
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boardColor = colors.fromRgb(0.85, 0.95, 0.85)
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backLeds = board.createSpriteSet()
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leds = board.createSpriteSet()
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let backLedColor = "#202020".toColor()
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let ledOpacity = 127 / 255
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let ledW = 10
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let ledOffset = 48
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let ledH = 20
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for (let i = 0; i < 5; i++) {
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let ledTop = i * ledOffset + top
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for (let j = 0; j < 5; j++) {
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let ledLeft = j * ledOffset + left
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let backLed = board.createRectangle(ledW, ledH)
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backLed.setColor(backLedColor)
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let led = board.createRectangle(ledW + 8, ledH + 8)
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backLed.left() = ledLeft
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backLed.top() = ledTop
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led.x() = backLed.x()
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led.y() = backLed.y()
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led.setOpacity(ledOpacity)
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led.setColor(ledOffColor)
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led.setShadow(10, colors.red(), 0, 0)
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ledIndexAnim(backLed, j, i)
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backLeds.add(backLed)
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leds.add(led)
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}
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}
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initEyes()
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initAxis()
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initPins()
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updateAxis()
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backgroundAnimation()
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board.onEveryFrame(() => {
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updateBoard()
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})
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board.postToWall()
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}
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```
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