TypeSpark/index.html at main · eimax9668/TypeSpark · GitHub

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<!DOCTYPE html>
<html>
<head>
    <title>TypeSpark</title>
  <meta charset="UTF-8">
</head>
<body>
    <style>
        body { margin: 0; overflow: hidden; background: transparent; }
        canvas { display: block; }
      </style>
  <canvas id="canvas"></canvas>

  <script>
    const { ipcRenderer } = require('electron');

    // --- 設定管理 ---
    let currentSettings = {
      volume: 50,       // 0 - 100
      colorType: 'random', // 'random', 'red', 'blue', 'neon'
      soundType: 'synth', // 'synth', 'mech'
      gravity: false,
      useMousePos: false,
      shapeType: 'circle',
      particleSize: 5,
      particleLife: 50,
      showCombo: true,
      scatterIntensity: 5,
      enableResurgence: false,
      bounce: false,
      showWPM: false,
      enableEcho: false
    };

    ipcRenderer.on('update-settings', (event, newSettings) => {
      currentSettings = { ...currentSettings, ...newSettings };
    });

    ipcRenderer.invoke('get-settings').then(settings => {
      currentSettings = { ...currentSettings, ...settings };
    });

    const canvas = document.getElementById('canvas');
    const ctx = canvas.getContext('2d');

    function resize() {
      canvas.width = window.innerWidth;
      canvas.height = window.innerHeight;
    }
    window.addEventListener('resize', resize);
    resize();

    const particles = [];
    const MAX_PARTICLES = 400; // 画面上の最大パーティクル数（負荷対策）

    // 画面揺れの強度管理
    let shakeIntensity = 0;

    // 特殊キー連打制限用の履歴
    const specialKeyHistory = [];
    const SPECIAL_KEY_LIMIT = 2; // 短期間に許容する回数
    const SPECIAL_KEY_WINDOW = 800; // 制限判定期間 (ms)

    // コンボカウンター管理
    let comboCount = 0;
    let lastKeyTime = 0;
    const COMBO_TIMEOUT = 1000; // コンボが切れるまでの時間 (ms)
    let comboScale = 1.0; // コンボ表示の拡大アニメーション用

    // WPM計算用履歴
    const wpmHistory = [];

    const keyMap = {
      // Row 1
      16: 'Q', 17: 'W', 18: 'E', 19: 'R', 20: 'T', 21: 'Y', 22: 'U', 23: 'I', 24: 'O', 25: 'P',
      // Row 2
      30: 'A', 31: 'S', 32: 'D', 33: 'F', 34: 'G', 35: 'H', 36: 'J', 37: 'K', 38: 'L',
      // Row 3
      44: 'Z', 45: 'X', 46: 'C', 47: 'V', 48: 'B', 49: 'N', 50: 'M',
      // Numbers
      2: '1', 3: '2', 4: '3', 5: '4', 6: '5', 7: '6', 8: '7', 9: '8', 10: '9', 11: '0',
      // Others
      28: 'Enter', 57: 'Space', 14: 'Bksp', 1: 'Esc', 15: 'Tab', 58: 'Caps', 42: 'Shift', 29: 'Ctrl',
      56: 'Alt', 3675: 'Win', 3676: 'Menu', 57416: 'Up', 57424: 'Down', 57419: 'Left', 57421: 'Right',
      // Symbols
      12: '-', 13: '=', 26: '[', 27: ']', 43: '\\', 39: ';', 40: "'", 51: ',', 52: '.', 53: '/'
    };

    class Particle {
      constructor(x, y, char, isSpecial = false, combo = 0, fixedHue = null) {
        this.x = x;
        this.y = y;
        this.prevX = x; // 軌跡描画用
        this.prevY = y;
        // ランダムな方向に飛び散る
        const angle = Math.random() * Math.PI * 2;
        // コンボ数に応じて速度アップ (最大2.5倍)
        const comboSpeedMult = 1 + Math.min(combo * 0.02, 1.5);
        const intensityMult = (currentSettings.scatterIntensity || 5) / 5;

        const speed = (isSpecial ? (Math.random() * 4 + 3) : (Math.random() * 3 + 2)) * comboSpeedMult * intensityMult;

        this.vx = Math.cos(angle) * speed;
        this.vy = Math.sin(angle) * speed;
        this.life = 1.0; // 寿命 (1.0 -> 0.0)
        this.char = char; // 表示する文字

        // 回転の初期値と速度
        this.rotation = Math.random() * Math.PI * 2;
        this.rotationSpeed = (Math.random() - 0.5) * 0.3;

        // 設定に応じた色決定ロジック
        let hue;
        if (fixedHue !== null) {
          hue = fixedHue;
          this.color = `hsl(${hue}, 100%, 50%)`;
        } else {
          switch (currentSettings.colorType) {
          case 'red':
            hue = 330 + Math.random() * 60; // 赤〜オレンジ系
            this.color = `hsl(${hue}, 100%, 50%)`;
            break;
          case 'blue':
            hue = 180 + Math.random() * 80; // 青〜水色〜紫系
            this.color = `hsl(${hue}, 100%, 50%)`;
            break;
          case 'green':
            // #1b6f49周辺 (Hue ~147, Sat ~61%, Light ~27%)
            hue = 130 + Math.random() * 40;
            this.color = `hsl(${hue}, 40%, 25%)`;
            break;
          case 'neon':
            // 鮮やかな色（ピンク、シアン、ライム）からランダム
            const neons = [300, 180, 120, 60];
            hue = neons[Math.floor(Math.random() * neons.length)] + (Math.random() * 20 - 10);
            this.color = `hsl(${hue}, 100%, 50%)`;
            break;
          default: // random
            hue = Math.random() * 360;
            this.color = `hsl(${hue}, 100%, 50%)`;
          }
        }

        // コンボ数に応じてサイズも少し大きく (最大1.5倍)
        const comboSizeMult = 1 + Math.min(combo * 0.01, 0.5);
        // 設定サイズを基準に、50%〜150%の範囲でランダム化
        this.size = currentSettings.particleSize * (0.5 + Math.random()) * comboSizeMult;

        if (isSpecial) {
          this.size *= 1.5; // 少し大きく
          this.life = 1.2;  // 少し長生き
        }
      }

      update(timeScale) {
        this.prevX = this.x;
        this.prevY = this.y;

        this.x += this.vx * timeScale;
        this.y += this.vy * timeScale;

        // 重力が有効な場合、または花火モードの場合は下方向への加速を加える
        if (currentSettings.gravity || currentSettings.shapeType === 'fireworks') {
          this.vy += 0.3 * timeScale;
        }

        // 跳ね返り処理 (Bounce)
        if (currentSettings.bounce) {
          // 左右の壁
          if (this.x - this.size < 0) {
            this.x = this.size; // めり込み防止
            this.vx *= -0.8;    // 反転して少し減速
          } else if (this.x + this.size > canvas.width) {
            this.x = canvas.width - this.size;
            this.vx *= -0.8;
          }
          // 上下の壁
          if (this.y - this.size < 0) {
            this.y = this.size;
            this.vy *= -0.8;
          } else if (this.y + this.size > canvas.height) {
            this.y = canvas.height - this.size;
            this.vy *= -0.8; // 床でのバウンド表現にもなる
          }
        }

        // 設定された寿命に基づいて減衰 (Life値が大きいほど減りが遅い)
        this.life -= (1.0 / (currentSettings.particleLife || 50)) * timeScale;
        this.size *= Math.pow(0.95, timeScale); // 徐々に小さく

        // 回転させる
        this.rotation += this.rotationSpeed * timeScale;
      }

      draw(ctx) {
        ctx.globalAlpha = this.life;
        ctx.fillStyle = this.color;

        // 形状ごとの描画
        if (currentSettings.shapeType === 'square') {
          ctx.save();
          ctx.translate(this.x, this.y);
          ctx.rotate(this.rotation);
          ctx.fillRect(-this.size, -this.size, this.size * 2, this.size * 2);
          ctx.restore();
        } else if (currentSettings.shapeType === 'star') {
          // 星型の描画
          ctx.save();
          ctx.translate(this.x, this.y);
          ctx.rotate(this.rotation);
          ctx.beginPath();
          const spikes = 5;
          const outerRadius = this.size * 1.5;
          const innerRadius = this.size * 0.7;
          for (let i = 0; i < spikes * 2; i++) {
            const r = (i % 2 === 0) ? outerRadius : innerRadius;
            const angle = (Math.PI / spikes) * i;
            const dx = Math.cos(angle) * r;
            const dy = Math.sin(angle) * r;
            ctx.lineTo(dx, dy);
          }
          ctx.fill();
          ctx.restore();
        } else if (currentSettings.shapeType === 'heart') {
          // ハート型の描画
          ctx.save();
          ctx.translate(this.x, this.y);
          ctx.rotate(this.rotation);
          ctx.beginPath();
          const s = this.size;
          // ハートのパス定義
          ctx.moveTo(0, -s * 0.5);
          ctx.bezierCurveTo(s * 0.5, -s, s, -s * 0.5, 0, s * 0.8);
          ctx.bezierCurveTo(-s, -s * 0.5, -s * 0.5, -s, 0, -s * 0.5);
          ctx.fill();
          ctx.restore();
        } else if (currentSettings.shapeType === 'char') {
          // 文字の描画
          ctx.save();
          ctx.translate(this.x, this.y);
          ctx.rotate(this.rotation);
          // フォントサイズ変更による再ラスタライズのチラつきを防ぐため、scaleでサイズ調整を行う
          const baseSize = 24;
          const scale = Math.max(0, (this.size * 3) / baseSize);
          ctx.scale(scale, scale);
          ctx.font = `bold ${baseSize}px monospace`;
          ctx.textAlign = 'center';
          ctx.textBaseline = 'middle';
          ctx.fillText(this.char || '?', 0, 0);
          ctx.restore();
        } else if (currentSettings.shapeType === 'fireworks') {
          // 花火（軌跡を描く）
          ctx.save();
          ctx.beginPath();
          ctx.moveTo(this.prevX, this.prevY);
          ctx.lineTo(this.x, this.y);
          ctx.lineWidth = this.size * 0.5;
          ctx.lineCap = 'round';
          ctx.strokeStyle = this.color;
          ctx.globalCompositeOperation = 'lighter'; // 発光させる
          ctx.stroke();
          ctx.restore();
        } else {
          // Default: Circle
          ctx.beginPath();
          ctx.arc(this.x, this.y, this.size, 0, Math.PI * 2);
          ctx.fill();
        }

        ctx.globalAlpha = 1.0;
      }
    }

    let lastTime = 0;
    function animate(timestamp) {
      if (!lastTime) lastTime = timestamp;
      const deltaTime = timestamp - lastTime;
      lastTime = timestamp;

      // 60FPS (約16.67ms) を基準としたタイムスケールを計算
      const timeScale = Math.min(deltaTime, 100) / (1000 / 60);

      ctx.clearRect(0, 0, canvas.width, canvas.height);

      // Screen Shake処理
      ctx.save();
      if (currentSettings.screenShake && shakeIntensity > 0) {
        const dx = (Math.random() - 0.5) * shakeIntensity;
        const dy = (Math.random() - 0.5) * shakeIntensity;
        ctx.translate(dx, dy);

        shakeIntensity *= Math.pow(0.9, timeScale); // 減衰
        if (shakeIntensity < 0.5) shakeIntensity = 0;
      }

      // Bloom設定を一括適用（高速化のためshadowBlurは廃止し、加算合成のみにする）
      if (currentSettings.bloom) {
        ctx.globalCompositeOperation = 'lighter';
      } else {
        ctx.globalCompositeOperation = 'source-over';
      }

      for (let i = particles.length - 1; i >= 0; i--) {
        const p = particles[i];
        p.update(timeScale);
        p.draw(ctx);
        if (p.life <= 0) {
          particles.splice(i, 1);
        }
      }

      // 描画モードを戻す
      ctx.globalCompositeOperation = 'source-over';

      // コンボカウンターの描画
      const now = Date.now();
      const timeSinceLast = now - lastKeyTime;
      if (currentSettings.showCombo && comboCount > 1 && timeSinceLast < COMBO_TIMEOUT) {
        ctx.save();
        ctx.textAlign = 'right';
        ctx.textBaseline = 'bottom';
        // コンボ数が増えるたびにポンと跳ねるアニメーション
        const fontSize = 40 * comboScale;
        ctx.font = `italic 900 ${fontSize}px "Arial Black", sans-serif`;
        // 時間経過でフェードアウト
        const alpha = 1 - timeSinceLast / COMBO_TIMEOUT;
        ctx.fillStyle = `rgba(255, 255, 255, ${alpha})`;
        ctx.strokeStyle = `rgba(0, 0, 0, ${alpha})`;
        ctx.lineWidth = 4;
        ctx.strokeText(`${comboCount}`, canvas.width - 40, canvas.height - 40);
        ctx.fillText(`${comboCount}`, canvas.width - 40, canvas.height - 40);
        ctx.restore();
      }
      // アニメーション用スケールを減衰
      if (comboScale > 1.0) comboScale += (1.0 - comboScale) * (1.0 - Math.pow(0.9, timeScale));

      // WPM (Words Per Minute) の表示
      if (currentSettings.showWPM) {
        const now = Date.now();
        // 過去60秒間の履歴のみ保持
        while (wpmHistory.length > 0 && wpmHistory[0] < now - 60000) {
          wpmHistory.shift();
        }
        const wpm = Math.round(wpmHistory.length / 5);

        ctx.save();
        ctx.font = 'bold 24px monospace';
        ctx.fillStyle = 'rgba(255, 255, 255, 0.8)';
        ctx.strokeStyle = 'rgba(0, 0, 0, 0.5)';
        ctx.lineWidth = 3;
        ctx.strokeText(`WPM: ${wpm}`, 20, canvas.height - 20);
        ctx.fillText(`WPM: ${wpm}`, 20, canvas.height - 20);
        ctx.restore();
      }

      ctx.restore();
      requestAnimationFrame(animate);
    }
    requestAnimationFrame(animate);

    let audioCtx = new (window.AudioContext || window.webkitAudioContext)();
    const masterGain = audioCtx.createGain();
    masterGain.gain.value = 1.0;
    masterGain.connect(audioCtx.destination);

    // Explicitly unlock audio on real user gestures
    async function unlockAudio() {
      if (!audioCtx) return;
      try {
        if (audioCtx.state !== 'running') {
          await audioCtx.resume();
        }
        const o = audioCtx.createOscillator();
        const g = audioCtx.createGain();
        g.gain.value = 0;
        o.connect(g).connect(masterGain);
        o.start();
        o.stop(audioCtx.currentTime + 0.01);
      } catch (e) {}
    }

    // Explicit user-gesture unlock (required for packaged apps)
    window.addEventListener('mousedown', unlockAudio, { once: true });
    window.addEventListener('keydown', unlockAudio, { once: true });
    window.addEventListener('touchstart', unlockAudio, { once: true });
    let mechBuffer = null;
    function initMechSound() {
      if (!audioCtx) return;
      const sampleRate = audioCtx.sampleRate;
      const length = sampleRate * 0.05; // 0.05秒の短い音
      const buffer = audioCtx.createBuffer(1, length, sampleRate);
      const data = buffer.getChannelData(0);
            for (let i = 0; i < length; i++) {
        data[i] = (Math.random() * 2 - 1) * Math.exp(-5 * i / length);
      }
      mechBuffer = buffer;
    }
    initMechSound();

    if (navigator.mediaDevices) {
      navigator.mediaDevices.ondevicechange = async () => {
        if (audioCtx && audioCtx.state === 'suspended') {
          audioCtx.resume().catch(() => {});
        }
      };
    }

    function playSound() {
      if (!audioCtx) return;

      if (audioCtx && audioCtx.state !== 'running') {
        audioCtx.resume().catch(() => {});
      }

      if (audioCtx.state === 'closed') return;

      const now = audioCtx.currentTime;
      let source = null;
      let gainNode = audioCtx.createGain();
      let stopTime = 0;

      if (currentSettings.soundType === 'mech') {
        if (!mechBuffer) initMechSound();

        if (mechBuffer) {
          source = audioCtx.createBufferSource();
          source.buffer = mechBuffer;

          source.playbackRate.value = 0.9 + Math.random() * 0.2;

          const vol = 0.5 * (currentSettings.volume / 100);
          gainNode.gain.value = vol;
        }
      } else if (currentSettings.soundType === 'popcorn') {
        source = audioCtx.createOscillator();
        source.type = 'sine';
        const freq = 500 + Math.random() * 200 + Math.min(comboCount * 10, 300);
        source.frequency.setValueAtTime(freq, now);
        source.frequency.exponentialRampToValueAtTime(freq * 0.5, now + 0.12);

        const vol = 0.6 * (currentSettings.volume / 100);
        gainNode.gain.setValueAtTime(vol, now);

        gainNode.gain.exponentialRampToValueAtTime(0.01, now + 0.12);

        stopTime = now + 0.14;
      } else {
        source = audioCtx.createOscillator();

        source.type = 'sine';

        const baseFreq = 200;
        const comboBonus = Math.min(comboCount * 20, 1000);
        const randomFreq = Math.random() * 200;
        const freq = baseFreq + comboBonus + randomFreq;

        source.frequency.setValueAtTime(freq, now);
        const vol = 0.1 * (currentSettings.volume / 100);
        gainNode.gain.setValueAtTime(0.0, now);
        gainNode.gain.linearRampToValueAtTime(vol, now + 0.01);
        gainNode.gain.linearRampToValueAtTime(0.0, now + 0.12);

        stopTime = now + 0.13;
      }

      // エフェクトと出力の接続
      if (source) {
        source.connect(gainNode);
        gainNode.connect(masterGain);

        // エコー（Delay）が有効な場合
        if (currentSettings.enableEcho) {
          const delay = audioCtx.createDelay();
          delay.delayTime.value = 0.15; // 150msの遅延
          const feedback = audioCtx.createGain();
          feedback.gain.value = 0.3; // 30%の音量で繰り返す

          gainNode.connect(delay);
          delay.connect(feedback);
          feedback.connect(delay);
          delay.connect(masterGain);
        }

        source.start(now);
        if (stopTime > 0) source.stop(stopTime);
      }
    }

    // --- メインプロセスからのイベント受信 ---
    ipcRenderer.on('keydown-event', (event, arg) => {
      let x, y;

      // 設定に応じて発生位置を決定
      if (currentSettings.useMousePos && arg.mouse) {
        x = arg.mouse.x;
        y = arg.mouse.y;
      } else {
        x = Math.random() * canvas.width;
        y = Math.random() * canvas.height;
      }

      // キーコードから文字を取得 (マッピングになければ空文字)
      const char = keyMap[arg.keycode] || '';

      // 特別なキー (Enter, Space) かどうか
      const isSpecial = (arg.keycode === 28 || arg.keycode === 57);

      // 特殊キーの連打制限チェック
      if (isSpecial) {
        const now = Date.now();
        // 判定期間外の古い履歴を削除
        while (specialKeyHistory.length > 0 && specialKeyHistory[0] < now - SPECIAL_KEY_WINDOW) {
          specialKeyHistory.shift();
        }
        // 制限回数を超えていたら生成をスキップ
        if (specialKeyHistory.length >= SPECIAL_KEY_LIMIT) {
          return;
        }
        specialKeyHistory.push(now);
      }

      // コンボ更新処理
      const now = Date.now();
      if (now - lastKeyTime > COMBO_TIMEOUT) {
        comboCount = 0;
      }
      comboCount++;
      lastKeyTime = now;
      comboScale = 1.5; // テキストを跳ねさせる
      wpmHistory.push(now);
      const extraParticles = Math.min(Math.floor(comboCount / 10), 20);
      const count = (isSpecial ? 20 : 10) + extraParticles;
      if (currentSettings.enableResurgence) {
        particles.forEach(p => {
          // 寿命を回復 (最大値1.0を超えないように)
          p.life = Math.min(p.life + 0.3, 1.0);

          // 速度を再加速（現在の動きを増幅 + ランダムな揺らぎ）
          p.vx = p.vx * 1.5 + (Math.random() - 0.5) * 2;
          p.vy = p.vy * 1.5 + (Math.random() - 0.5) * 2;

          // サイズも少し回復させて「ポップ」感を出す
          p.size = Math.min(p.size * 1.2, currentSettings.particleSize * 2);
        });
      }

      // 花火は色固定
      let fireworkHue = null;
      if (currentSettings.shapeType === 'fireworks') {
        fireworkHue = Math.random() * 360;
      }

      for (let i = 0; i < count; i++) {
        particles.push(new Particle(x, y, char, isSpecial, comboCount, fireworkHue));
      }

      // パーティクルが増えすぎないように古いものから削除
      if (particles.length > MAX_PARTICLES) {
        particles.splice(0, particles.length - MAX_PARTICLES);
      }

      if (currentSettings.screenShake) {
        shakeIntensity = Math.min(shakeIntensity + 5, 20);
      }

      playSound();
    });
  </script>
</body>
</html>