Week17
成功解決遇到空格時自動刪除空格，並且新增開始頁面及操作說明
```
import processing.sound.*; int[][] pos = { {66, 532}, {205, 532}, {348, 532}, {492, 532}, {633, 532}, {773, 532}, {914, 532} }; SoundFile Do, Re, Mi, Fa, Sol, La, Si; PImage img, img2, logo, tuto; PFont font; String marqueeText1 = "533 422 1234 555 533 422 13553 2222 234 3333 345 533 422 13551";//小蜜蜂 String backup1 = "533 422 1234 555 533 422 13553 2222 234 3333 345 533 422 13551"; String marqueeText2 = "1155 665 4433 221 5544 332 5544 332 1155 665 4433 221";//小星星 String backup2 = "1155 665 4433 221 5544 332 5544 332 1155 665 4433 221"; String marqueeText3 = "1231 1231 345 345 565431 565431 151 151";//兩隻老虎 String backup3 = "1231 1231 345 345 565431 565431 151 151"; float marqueeX; // 初始化文字的起始位置 int marqueeColor = 255; // 初始文字顏色為白色 int marqueeTextI=0; int ID = 0; int select = 0; void setup() { size(960, 540); img = loadImage("Piano.png"); img2 = loadImage("Piano2.png"); logo = loadImage("PianoLogo.png"); tuto= loadImage("Tutorial.png"); Do = new SoundFile(this, "Do.MP3"); Re = new SoundFile(this, "Re.MP3"); Mi = new SoundFile(this, "Mi.MP3"); Fa = new SoundFile(this, "Fa.MP3"); Sol = new SoundFile(this, "Sol.MP3"); La = new SoundFile(this, "La.MP3"); Si = new SoundFile(this, "Si.MP3"); rectMode(CENTER); } void draw() { if (select == 0) {//開始場景 background(#303030); image(tuto,750,180,212,170); image(logo, 280, 20, 400, 400); textSize(75); text("Click to Start", 280, 500); textSize(30); text("ver0.5", 880, 535); } if (select == 1) { background(#303030); textSize(35); text("Little Bee",10,40); image(img2, -10, 150, 1000, 540); fill(#616362); rect(480, 153, 980, 5); textSize(120); for (int i = 0; i < marqueeText1.length(); i++) { char currentChar = marqueeText1.charAt(i); fill(i == 0 ? marqueeColor : 255);//後方數字始終為白色 text(currentChar, marqueeX + i * textWidth(currentChar), 135); } } else if (select == 2) { background(#303030); textSize(35); text("Little Star",10,40); image(img2, -10, 150, 1000, 540); fill(#616362); rect(480, 153, 980, 5); textSize(120); for (int i = 0; i < marqueeText2.length(); i++) { char currentChar = marqueeText2.charAt(i); fill(i == 0 ? marqueeColor : 255);//後方數字始終為白色 text(currentChar, marqueeX + i * textWidth(currentChar), 135); } } else if (select == 3) { background(#303030); textSize(35); text("Two Tigers",10,40); image(img2, -10, 150, 1000, 540); fill(#616362); rect(480, 153, 980, 5); textSize(120); for (int i = 0; i < marqueeText3.length(); i++) { char currentChar = marqueeText3.charAt(i); fill(i == 0 ? marqueeColor : 255);//後方數字始終為白色 text(currentChar, marqueeX + i * textWidth(currentChar), 135); } } /*if (marqueeX < -textWidth(marqueeText)) { marqueeX = width; marqueeColor = 255; }*/ // 檢查是否有按鍵被按下，以及該按鍵是否與跑馬燈上的數字相同 for (int i = 0; i < 7; i++) { if (pressed[i]) { fill(#7eeffd); rect(pos[i][0], pos[i][1], 130, 10, 5); } } } boolean[] pressed = new boolean[7]; void keyPressed() { if (select==1) { //if(keyCode==RIGHT) marqueeTextI=(marqueeTextI+1) % marqueeText.length(); for (int i = 0; i < 7; i++) { if (key == str(i + 1).charAt(0)) { if (marqueeText1.length() > 0 && i + 1 == int(marqueeText1.charAt(0) - '0')) { marqueeColor = color(255, 255, 0);//按下(住)顏色變為黃色 marqueeText1 = marqueeText1.substring(1); if (marqueeText1.length()>0 && marqueeText1.charAt(0)==' ' ) marqueeText1 = marqueeText1.substring(1); if (marqueeText1.length()<1) marqueeText1 += backup1;//在剩下一個音符時加上備用音譜 //marqueeTextI=(marqueeTextI+1) % marqueeText.length(); break; } } } } else if (select ==2) { for (int i = 0; i < 7; i++) { if (key == str(i + 1).charAt(0)) { if (marqueeText2.length() > 0 && i + 1 == int(marqueeText2.charAt(0) - '0')) { marqueeColor = color(255, 255, 0);//按下(住)顏色變為黃色 marqueeText2 = marqueeText2.substring(1); if (marqueeText2.length()>0 && marqueeText2.charAt(0)==' ' ) marqueeText2 = marqueeText2.substring(1); if (marqueeText2.length()<1) marqueeText2 += backup2;//在剩下一個音符時加上備用音譜 //marqueeTextI=(marqueeTextI+1) % marqueeText.length(); break; } } } } else if (select == 3) { for (int i = 0; i < 7; i++) { if (key == str(i + 1).charAt(0)) { if (marqueeText3.length() > 0 && i + 1 == int(marqueeText3.charAt(0) - '0')) { marqueeColor = color(255, 255, 0);//按下(住)顏色變為黃色 marqueeText3 = marqueeText3.substring(1); if (marqueeText3.length()>0 && marqueeText3.charAt(0)==' ' ) marqueeText3 = marqueeText3.substring(1); if (marqueeText3.length()<1) marqueeText3 += backup3;//在剩下一個音符時加上備用音譜 //marqueeTextI=(marqueeTextI+1) % marqueeText.length(); break; } } } } if (key == 'j') { select ++; if (select > 3) select = 1; }else if(key == 'f'){ select --; if(select < 1)select = 3; } if(key == 9){ select = 0; } if(key>='1'&& key<='7'){ SoundFile[] file = {Do,Re,Mi,Fa,Sol,La,Si}; pressed[key-'1'] = true; file[key-'1'].play(); } } void mousePressed() { if (select == 0)select =1; } void keyReleased() { for (int i = 0; i < 7; i++) { if (key == str(i + 1).charAt(0)) { marqueeColor = color(255, 255, 255);//放開之後顏色變回白色 pressed[i] = false; break; } } } ```
if (marqueeText1.length()>0 && marqueeText1.charAt(0)==' ' ) marqueeText1 = marqueeText1.substring(1);當遇到空格時自動刪除空格。
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