Gamefixes (#389)

* call plot after deleting sprite

* fix double registration

libs/core/_locales/core-jsdoc-strings.json

@@ -240,6 +240,8 @@
   "serial.delimiters": "Returns the delimiter corresponding string",
   "serial.onDataReceived": "Registers an event to be fired when one of the delimiter is matched.",
   "serial.onDataReceived|param|delimiters": "the characters to match received characters against.",
+  "serial.readBuffer": "Reads multiple characters from the rxBuff and fills a user buffer.",
+  "serial.readBuffer|param|length": "default buffer length, eg: 64",
   "serial.readLine": "Reads a line of text from the serial port.",
   "serial.readString": "Reads the buffered received data as a string",
   "serial.readUntil": "Reads a line of text from the serial port and returns the buffer when the delimiter is met.",
@@ -248,6 +250,7 @@
   "serial.redirect|param|rate": "the new baud rate. eg: 115200",
   "serial.redirect|param|rx": "the new reception pin, eg: SerialPin.P1",
   "serial.redirect|param|tx": "the new transmission pins, eg: SerialPin.P0",
+  "serial.writeBuffer": "Sends a buffer through Serial connection",
   "serial.writeLine": "Prints a line of text to the serial",
   "serial.writeNumber": "Prints a numeric value to the serial",
   "serial.writeString": "Sends a piece of text through Serial connection.",

libs/core/game.ts

@@ -46,8 +46,6 @@ namespace game {
     export function createSprite(x: number, y: number): LedSprite {
         init();
         let p = new LedSprite(x, y);
-        sprites.push(p);
-        plot();
         return p;
     }
 
@@ -650,7 +648,8 @@ namespace game {
         //% weight=59
         //% blockId="game_delete_sprite" block="delete %this"
         public delete(): void {
-            sprites.removeElement(this);
+            if (sprites.removeElement(this))
+                plot();
         }
 
         /**