sprite-sheet-creator/index.html at main · sjefvanleeuwen/sprite-sheet-creator · GitHub

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<!DOCTYPE html>
<html>
<head>
    <meta charset="UTF-8">
    <title>Character Viewer - With Sprite Sheet Generator</title>
    <style>
        html, body {
            width: 100%;
            height: 100%;
            margin: 0;
            padding: 0;
            overflow: hidden;
            background-color: #333; /* Darker background to show transparency better */
        }

        /* Create a container for the canvas that maintains aspect ratio */
        .canvas-container {
            width: 100%;
            height: 100%;
            display: flex;
            align-items: center;
            justify-content: center;
            position: relative;
        }

        /* Make the canvas perfectly square */
        #renderCanvas {
            width: min(100vh, 100vw); /* Take the smaller of viewport height or width */
            height: min(100vh, 100vw); /* Same as width for perfect 1:1 square */
            touch-action: none;
            background-color: transparent; /* Make transparent */
            /* Create a checkerboard pattern to visualize transparency */
            background-image:
                linear-gradient(45deg, #333 25%, transparent 25%),
                linear-gradient(-45deg, #333 25%, transparent 25%),
                linear-gradient(45deg, transparent 75%, #333 75%),
                linear-gradient(-45deg, transparent 75%, #333 75%);
            background-size: 20px 20px;
            background-position: 0 0, 0 10px, 10px -10px, -10px 0px;
        }

        /* Optional visual indicator for the square boundary */
        .canvas-container::after {
            content: '';
            position: absolute;
            border: 1px dashed rgba(255, 255, 255, 0.2);
            width: min(100vh, 100vw);
            height: min(100vh, 100vw);
            pointer-events: none;
            z-index: 1;
        }

        #controlPanel {
            position: absolute;
            top: 10px;
            right: 10px;
            background-color: rgba(0, 0, 0, 0.7);
            padding: 10px;
            border-radius: 5px;
            color: white;
            font-family: Arial, sans-serif;
            z-index: 100;
        }
        #statusBar {
            position: absolute;
            bottom: 10px;
            left: 0;
            right: 0;
            background-color: rgba(0, 0, 0, 0.7);
            padding: 10px;
            color: white;
            font-family: Arial, sans-serif;
            text-align: center;
            z-index: 100;
        }
        button {
            margin: 5px;
            padding: 5px 10px;
            cursor: pointer;
        }
        select {
            margin: 5px;
            padding: 5px;
            width: 100%;
        }
        .error {
            color: #ff6b6b;
        }
        .info {
            color: #6bff6b;
        }
        #spriteSheetPanel {
            position: absolute;
            top: 190px;
            right: 10px;
            background-color: rgba(0, 0, 0, 0.7);
            padding: 10px;
            border-radius: 5px;
            color: white;
            font-family: Arial, sans-serif;
            z-index: 100;
        }

        label {
            display: block;
            margin-top: 5px;
        }

        input {
            width: 60px;
            margin: 2px 0;
        }

        #recordBtn {
            margin-top: 10px;
            width: 100%;
            background-color: #e74c3c;
            color: white;
            border: none;
            padding: 5px 10px;
            border-radius: 3px;
            cursor: pointer;
        }

        #recordBtn:disabled {
            background-color: #7f8c8d;
            cursor: not-allowed;
        }

        /* Add responsive styles for camera controls on mobile */
        @media (max-width: 768px) {
            #cameraControlPanel {
                left: 5px !important;
                top: 5px !important;
                transform: scale(0.8);
                transform-origin: top left;
            }
        }

        /* Button hover effects for camera controls */
        #cameraControlPanel button:hover {
            background-color: #666 !important;
        }

        #cameraControlPanel button:active {
            background-color: #888 !important;
        }

        .upload-section {
            margin: 10px 0;
            position: relative;
        }

        #characterUpload {
            opacity: 0;
            width: 0.1px;
            height: 0.1px;
            position: absolute;
        }

        .upload-label {
            display: block;
            padding: 8px 12px;
            background-color: #4CAF50;
            color: white;
            border-radius: 4px;
            cursor: pointer;
            text-align: center;
            margin: 5px 0;
        }

        .upload-label:hover {
            background-color: #45a049;
        }
    </style>
    <!-- BabylonJS and loaders -->
    <script src="https://cdn.babylonjs.com/babylon.js"></script>
    <script src="https://cdn.babylonjs.com/loaders/babylonjs.loaders.min.js"></script>
</head>
<body>
    <div class="canvas-container">
        <canvas id="renderCanvas"></canvas>
    </div>
    <div id="controlPanel">
        <h3>Animation Controls</h3>
        <div class="upload-section">
            <input type="file" id="characterUpload" accept=".glb">
            <label for="characterUpload" class="upload-label">Upload Character (.glb)</label>
        </div>
        <select id="animationList"></select>
        <button id="playBtn">Play</button>
        <button id="pauseBtn">Pause</button>
    </div>

    <div id="spriteSheetPanel">
        <h3>Sprite Sheet Generator</h3>
        <label for="framesInput">Number of frames:</label>
        <input type="number" id="framesInput" min="1" max="64" value="16">

        <label for="columnsInput">Columns:</label>
        <input type="number" id="columnsInput" min="1" max="16" value="4">

        <!-- Add cell size inputs -->
        <div style="display: flex; gap: 5px; margin-top: 5px;">
            <div style="flex: 1;">
                <label for="cellWidthInput">Cell Width (px):</label>
                <input type="number" id="cellWidthInput" min="32" max="1024" value="256" style="width: 100%;">
            </div>
            <div style="flex: 1;">
                <label for="cellHeightInput">Cell Height (px):</label>
                <input type="number" id="cellHeightInput" min="32" max="1024" value="256" style="width: 100%;">
            </div>
        </div>

        <!-- Existing optimization toggle -->
        <div style="display: flex; align-items: center; margin-top: 5px;">
            <input type="checkbox" id="optimizeInput" checked style="width: auto; margin-right: 5px;">
            <label for="optimizeInput">Center content (maintain exact cell size)</label>
        </div>

        <button id="recordBtn">Record Sprite Sheet</button>
        <div style="font-size: 11px; margin-top: 8px; color: #aaa;">
            Cell dimensions will be exactly as specified. Content will be centered within cells if optimization is enabled.
            Background is transparent for clean sprite sheets.
        </div>
    </div>

    <div id="statusBar">
        <span id="statusMessage">Loading...</span>
        <span id="keyboardHint" style="font-size: 11px; margin-left: 10px; color: #999;">
            Arrow keys: Move camera | Home: Reset position
        </span>
    </div>

    <script src="js/SpriteSheetHelper.js"></script>
    <script src="js/fbxViewer.js"></script>
    <script src="characterLoader.js"></script>

    <!-- Add compatibility check -->
    <script>
        document.addEventListener('DOMContentLoaded', function() {
            // Check if SpriteSheetHelper exists and browser supports required features
            if (typeof SpriteSheetHelper !== 'undefined') {
                if (!SpriteSheetHelper.checkCompatibility()) {
                    // Display warning about sprite sheet functionality
                    const spriteSheetPanel = document.getElementById('spriteSheetPanel');
                    if (spriteSheetPanel) {
                        const warning = document.createElement('div');
                        warning.innerHTML = "⚠️ Your browser may have limited support for sprite sheet generation.";
                        warning.style.color = "#ffcc00";
                        warning.style.marginTop = "10px";
                        warning.style.fontSize = "12px";
                        spriteSheetPanel.appendChild(warning);
                    }
                }
            }
        });
    </script>
</body>
</html>