update

server.js

@@ -31,10 +31,10 @@ const sensehat = {
             getPixel(x,y) 返回 [r,g,b]  获取一个点
             setPixels([[r,g,b]*64])
             getPixels() -> [[r,g,b]*64]
-
             flipH(redraw=true)  水平反转
             flipV(redraw=true)  垂直反转
 
+
             setRotation(r, redraw=true)  设置旋转，r 初始为 0，r 只能设置为 0/90/180/270
             getter and setter rotation 默认为 0
 
@@ -104,6 +104,14 @@ io.on('connection', (client) => {
                 sensehat.led.flipV()
                 io.emit('action', { action: 'setPixels', pixels: sensehat.led.pixels })
                 break
+            case 'turnLeft':
+                sensehat.led.rotation = ((sensehat.led.rotation - 90) + 360) % 360
+                io.emit('action', { action: 'setPixels', pixels: sensehat.led.pixels })
+                break
+            case 'turnRight':
+                sensehat.led.rotation = (sensehat.led.rotation + 90) % 360
+                io.emit('action', { action: 'setPixels', pixels: sensehat.led.pixels })
+                break
             // case 'on':
             //     sense.setPixel(Number(x), Number(y), color_blue)
             //     leds[y][x] = 1