FrogOnABike/index.html at main · nellstephanj/FrogOnABike · GitHub

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<!doctype html>
<html lang="en">
  <head>
    <meta charset="utf-8" />
    <meta name="viewport" content="width=device-width, initial-scale=1" />
    <title>Frog on a Bike 🐸🚲</title>
    <link rel="stylesheet" href="styles.css" />
  </head>
  <body>
    <div class="hud">
      <div class="control">
        <label for="speed">Pedal speed</label>
        <input id="speed" type="range" min="0" max="3" step="0.05" value="1.2" />
        <span id="speedVal">1.2×</span>
      </div>
      <button id="toggle">Pause</button>
      <button id="bell" aria-label="Ring bell" title="Ring bell (B)">Bell</button>
    </div>

    <div class="scene">
      <svg id="world" viewBox="0 0 800 320" role="img" aria-label="Cartoon frog riding a bicycle">
        <!-- sky and ground -->
        <defs>
          <linearGradient id="sky" x1="0" y1="0" x2="0" y2="1">
            <stop offset="0%" stop-color="#b4e3ff" />
            <stop offset="100%" stop-color="#e6f7ff" />
          </linearGradient>
          <linearGradient id="grass" x1="0" y1="0" x2="0" y2="1">
            <stop offset="0%" stop-color="#9ae66e" />
            <stop offset="100%" stop-color="#66c84a" />
          </linearGradient>
          <pattern id="roadStripe" width="20" height="6" patternUnits="userSpaceOnUse">
            <rect width="12" height="6" fill="#fff" />
          </pattern>
          <radialGradient id="bellyGrad" cx="50%" cy="60%" r="60%">
            <stop offset="0%" stop-color="#bff6b8"/>
            <stop offset="100%" stop-color="#83da76"/>
          </radialGradient>
          <linearGradient id="backShade" x1="0" y1="0" x2="1" y2="0">
            <stop offset="0%" stop-color="#50bf55"/>
            <stop offset="40%" stop-color="#67d36b"/>
            <stop offset="100%" stop-color="#67d36b"/>
          </linearGradient>
          <filter id="frogShadow" x="-20%" y="-20%" width="140%" height="140%">
            <feDropShadow dx="0" dy="2" stdDeviation="2" flood-color="#000" flood-opacity="0.25"/>
          </filter>
        </defs>

        <rect x="0" y="0" width="800" height="240" fill="url(#sky)" />
        <rect x="0" y="240" width="800" height="80" fill="url(#grass)" />
        <rect x="0" y="268" width="800" height="22" fill="#3f3f54" />
        <rect x="0" y="278" width="800" height="2" fill="#2b2b3a" />
        <rect x="0" y="279" width="800" height="4" fill="url(#roadStripe)" opacity="0.6" />

        <!-- simple clouds -->
        <g class="cloud" transform="translate(100,50)">
          <circle r="14" cx="0" cy="0" fill="#fff" />
          <circle r="16" cx="18" cy="-5" fill="#fff" />
          <circle r="12" cx="34" cy="0" fill="#fff" />
          <circle r="10" cx="18" cy="6" fill="#fff" />
        </g>
        <g class="cloud" transform="translate(520,70)">
          <circle r="12" cx="0" cy="0" fill="#fff" />
          <circle r="16" cx="16" cy="-6" fill="#fff" />
          <circle r="10" cx="30" cy="0" fill="#fff" />
        </g>

        <!-- Parallax background layers -->
        <g id="bg-layer-far" class="parallax far" transform="translate(0,0)">
          <path d="M0 190 Q120 160 220 180 T440 190 T800 180 L800 240 L0 240 Z" fill="#a8d2ff" opacity="0.7"/>
        </g>
        <g id="bg-layer-mid" class="parallax mid" transform="translate(0,0)">
          <path d="M0 210 Q100 190 220 205 T440 210 T800 205 L800 240 L0 240 Z" fill="#9bd98b" opacity="0.9"/>
          <g fill="#6dbb5c" opacity="0.95">
            <rect x="60" y="200" width="8" height="22" rx="2"/>
            <circle cx="64" cy="198" r="10"/>
            <rect x="180" y="202" width="9" height="20" rx="2"/>
            <circle cx="184" cy="199" r="9"/>
            <rect x="420" y="203" width="7" height="18" rx="2"/>
            <circle cx="424" cy="201" r="8"/>
          </g>
        </g>
        <g id="bg-layer-near" class="parallax near" transform="translate(0,0)">
          <path d="M0 228 Q80 220 160 226 T320 228 T480 226 T640 228 T800 226 L800 240 L0 240 Z" fill="#5daa4a"/>
          <g fill="#4c8f3e">
            <rect x="100" y="214" width="10" height="24" rx="2"/>
            <circle cx="105" cy="210" r="12"/>
            <rect x="300" y="215" width="10" height="24" rx="2"/>
            <circle cx="305" cy="211" r="11"/>
            <rect x="560" y="216" width="9" height="22" rx="2"/>
            <circle cx="564" cy="213" r="10"/>
          </g>
        </g>

        <!-- the rig (bike + frog) that moves across the scene -->
        <g id="rig" transform="translate(20,0)">
          <!-- BIKE -->
          <g id="bike" stroke="#111" stroke-width="5" stroke-linecap="round" fill="none">
            <!-- wheels -->
            <g id="wheel-back" transform="translate(230,240)">
              <circle r="36" fill="#1b1b1b" />
              <circle r="30" fill="#2a2a2a" stroke="#111" stroke-width="3" />
              <g class="spokes" stroke="#e8e8e8" stroke-width="2" opacity="0.7">
                <line x1="0" y1="0" x2="30" y2="0" />
                <line x1="0" y1="0" x2="-30" y2="0" />
                <line x1="0" y1="0" x2="0" y2="30" />
                <line x1="0" y1="0" x2="0" y2="-30" />
                <line x1="0" y1="0" x2="21" y2="21" />
                <line x1="0" y1="0" x2="-21" y2="21" />
                <line x1="0" y1="0" x2="21" y2="-21" />
                <line x1="0" y1="0" x2="-21" y2="-21" />
              </g>
              <circle r="4" fill="#111" />
            </g>

            <g id="wheel-front" transform="translate(350,240)">
              <circle r="36" fill="#1b1b1b" />
              <circle r="30" fill="#2a2a2a" stroke="#111" stroke-width="3" />
              <g class="spokes" stroke="#e8e8e8" stroke-width="2" opacity="0.7">
                <line x1="0" y1="0" x2="30" y2="0" />
                <line x1="0" y1="0" x2="-30" y2="0" />
                <line x1="0" y1="0" x2="0" y2="30" />
                <line x1="0" y1="0" x2="0" y2="-30" />
                <line x1="0" y1="0" x2="21" y2="21" />
                <line x1="0" y1="0" x2="-21" y2="21" />
                <line x1="0" y1="0" x2="21" y2="-21" />
                <line x1="0" y1="0" x2="-21" y2="-21" />
              </g>
              <circle r="4" fill="#111" />
            </g>

            <!-- frame (stylized) -->
            <g id="frame" stroke="#2d73ff" stroke-width="6">
              <line x1="230" y1="240" x2="280" y2="230" />
              <line x1="280" y1="230" x2="350" y2="240" />
              <line x1="280" y1="230" x2="270" y2="195" />
              <line x1="330" y1="210" x2="350" y2="240" />
              <line x1="270" y1="195" x2="330" y2="210" />
            </g>

            <!-- seat and handlebar -->
            <rect x="258" y="188" width="32" height="10" rx="6" fill="#111" />
            <g id="handle" stroke="#111" stroke-width="6">
              <line x1="330" y1="210" x2="350" y2="178" />
              <line x1="350" y1="178" x2="365" y2="176" />
              <line x1="350" y1="178" x2="337" y2="172" />
            </g>

            <!-- crank + pedals (rotates) -->
            <g id="crank" transform="translate(280,230)">
              <circle r="6" fill="#111" />
              <!-- rotated in JS -->
              <g id="crank-rotor">
                <line x1="0" y1="0" x2="24" y2="0" stroke="#111" stroke-width="5" />
                <rect id="pedal-left" x="28" y="-6" width="18" height="12" rx="3" fill="#111" />
                <line x1="0" y1="0" x2="-24" y2="0" stroke="#111" stroke-width="5" />
                <rect id="pedal-right" x="-46" y="-6" width="18" height="12" rx="3" fill="#111" />
              </g>
            </g>
          </g>

          <!-- FROG with subtle shading and details -->
          <g id="frog" stroke="#111" stroke-width="3" stroke-linecap="round" filter="url(#frogShadow)">
            <!-- body with back shading and belly gradient -->
            <ellipse cx="275" cy="178" rx="28" ry="22" fill="url(#backShade)" />
            <ellipse cx="275" cy="182" rx="20" ry="14" fill="url(#bellyGrad)" stroke="#111" stroke-width="2" opacity="0.9" />
            <!-- spots -->
            <circle cx="265" cy="176" r="4" fill="#111" />
            <circle cx="282" cy="186" r="3" fill="#111" />
            <circle cx="286" cy="170" r="3.5" fill="#111" />

            <!-- head -->
            <g id="head">
              <ellipse cx="295" cy="160" rx="18" ry="14" fill="#67d36b" />
              <circle cx="288" cy="155" r="6" fill="#fff" />
              <circle cx="303" cy="155" r="6" fill="#fff" />
              <circle cx="288" cy="155" r="2.5" fill="#111" />
              <circle cx="303" cy="155" r="2.5" fill="#111" />
              <!-- eyelids for blinking (animated in CSS) -->
              <rect id="lidL" x="282" y="149" width="12" height="12" rx="6" fill="#67d36b" opacity="0" />
              <rect id="lidR" x="297" y="149" width="12" height="12" rx="6" fill="#67d36b" opacity="0" />
              <path d="M288 165 Q296 170 304 165" fill="none" stroke="#111" stroke-width="2" />
              <!-- nostrils -->
              <circle cx="294" cy="160" r="1.2" fill="#111" />
              <circle cx="298" cy="160" r="1.2" fill="#111" />
            </g>

            <!-- arms to handlebar -->
            <g id="arms" stroke="#111">
              <line x1="273" y1="175" x2="343" y2="176" />
              <circle cx="343" cy="176" r="5" fill="#67d36b" />
              <line x1="275" y1="183" x2="337" y2="172" />
              <circle cx="337" cy="172" r="5" fill="#67d36b" />
            </g>

            <!-- legs (animated with IK to pedals) with simple toes -->
            <g id="legs" fill="#67d36b">
              <!-- left leg -->
              <g id="legL" transform="translate(270,182)">
                <g id="legL-thigh" transform="rotate(0)">
                  <rect x="0" y="-4" width="46" height="8" rx="4" />
                  <g id="legL-knee" transform="translate(46,0) rotate(0)">
                    <rect x="0" y="-4" width="46" height="8" rx="4" />
                    <g id="legL-foot" transform="translate(46,0) rotate(0)">
                      <ellipse cx="6" cy="0" rx="10" ry="6" fill="#67d36b" stroke="#111" stroke-width="3" />
                      <circle cx="14" cy="-2" r="1.5" fill="#111" />
                      <circle cx="14" cy="2" r="1.5" fill="#111" />
                    </g>
                  </g>
                </g>
              </g>
              <!-- right leg -->
              <g id="legR" transform="translate(270,182)">
                <g id="legR-thigh" transform="rotate(0)">
                  <rect x="0" y="-4" width="46" height="8" rx="4" />
                  <g id="legR-knee" transform="translate(46,0) rotate(0)">
                    <rect x="0" y="-4" width="46" height="8" rx="4" />
                    <g id="legR-foot" transform="translate(46,0) rotate(0)">
                      <ellipse cx="6" cy="0" rx="10" ry="6" fill="#67d36b" stroke="#111" stroke-width="3" />
                      <circle cx="14" cy="-2" r="1.5" fill="#111" />
                      <circle cx="14" cy="2" r="1.5" fill="#111" />
                    </g>
                  </g>
                </g>
              </g>
            </g>
          </g>
        </g>
      </svg>
    </div>

    <script src="script.js"></script>
  </body>
  </html>