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support makeymakey_whenMakeyKeyPressed block to ruby. #201

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Merged
merged 1 commit into from
Oct 25, 2019
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support makeymakey_whenMakeyKeyPressed block to ruby. #201

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2 changes: 2 additions & 0 deletions src/lib/ruby-generator/index.js
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Original file line number Diff line number Diff line change
Expand Up @@ -21,6 +21,7 @@ import PenBlocks from './pen.js';
import VideoBlocks from './video.js';
import Text2SpeechBlocks from './text2speech.js';
import TranslateBlocks from './translate.js';
import MakeyMakeyBlocks from './makeymakey.js';
import MicrobitBlocks from './microbit.js';

const SCALAR_TYPE = '';
Expand Down Expand Up @@ -445,6 +446,7 @@ PenBlocks(RubyGenerator);
VideoBlocks(RubyGenerator);
Text2SpeechBlocks(RubyGenerator);
TranslateBlocks(RubyGenerator);
MakeyMakeyBlocks(RubyGenerator);
MicrobitBlocks(RubyGenerator);

export default RubyGenerator;
19 changes: 19 additions & 0 deletions src/lib/ruby-generator/makeymakey.js
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@@ -0,0 +1,19 @@
/**
* Define Ruby code generator for MakeyMakey Blocks
* @param {RubyGenerator} Generator The RubyGenerator
* @return {RubyGenerator} same as param.
*/
export default function (Generator) {
Generator.makeymakey_menu_KEY = function (block) {
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@takaokouji takaokouji Oct 25, 2019

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ここは、 [スペースキー▼] を "SPACE" という文字列に変換する処理です。どうやって、 makeymakey_menu_KEY という名前を見つけるかが難しいところです。

まず /smalruby3-gui/node_modules/scratch-vm/src/extensions/scratch3_makeymakey/index.js の getInfo メソッドをみます。

その中から menus: { という記述を見つけます。

すぐ下に KEY { とありますが、これが名前です。

id(=makeymakey) と menus と ↑の KEY を組み合わせて
makeymakey_menus_KEY という名前を導きました。

const key = Generator.quote_(Generator.getFieldValue(block, 'KEY') || 'SPACE');
return [key, Generator.ORDER_ATOMIC];
};

Generator.makeymakey_whenMakeyKeyPressed = function (block) {
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@takaokouji takaokouji Oct 25, 2019

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ここが ^[スペースキー▼]が押されたとき| ブロックを self.when(:makey_key_pressed, "SPACE") do 〜 end というRubyのプログラムに変換するところです。

block.isStatement = true;
const key = Generator.valueToCode(block, 'KEY', Generator.ORDER_NONE) || null;
return `${Generator.spriteName()}.when(:makey_key_pressed, ${key}) do\n`;
};

return Generator;
}