shape-generator/index copy.html at main · Firozkcode/shape-generator · GitHub

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<!DOCTYPE html>
<html lang="en">
<head>
    <meta charset="UTF-8">
    <meta name="viewport" content="width=device-width, initial-scale=1.0">
    <title>Dynamic Clip Path Shape Generator</title>
    <style>
        body {
            font-family: Arial, sans-serif;
            text-align: center;
            background: grey;
        }
        .shape-container {
            position: relative;
            width: 300px;
            height: 300px;
            margin: 20px auto;
            background-color: lightblue;
            overflow: visible;
            clip-path: path("M 50,50 L 250,50 L 150,250 Z");
        }
        .point {
            position: absolute;
            width: 15px;
            height: 15px;
            background: red;
            border-radius: 50%;
            transform: translate(-50%, -50%);
            cursor: grab;
        }
        .point:hover {
            border: 1px solid blue;
        }
        .point-label {
            display: none;
            position: absolute;
            font-size: 12px;
            background: white;
            padding: 2px 4px;
            border-radius: 4px;
            pointer-events: none;
        }
        .slider-container {
            margin: 10px 0;
        }
        .slider-container label {
            display: inline-block;
            width: 80px;
        }
        .slider-value {
            display: inline-block;
            width: 40px;
            text-align: center;
        }
        .hidden {
            display: none;
        }
        .controls {
            margin: 10px 0;
        }
        .controls button {
            margin: 0 5px;
            padding: 5px 10px;
            font-size: 14px;
            cursor: pointer;
        }
    </style>
</head>
<body>
    <h2>Dynamic Clip Path Shape Generator</h2>

    <button onclick="togglePoints()">Toggle Points</button>
    <div class="controls">
        <button onclick="undo()" id="undoBtn" disabled>Undo</button>
        <button onclick="redo()" id="redoBtn" disabled>Redo</button>
    </div>
    <div class="shape-container" id="shape"></div>
    <div class="code"><p>clip-path: <code>path(<span id="code"></span>)</code></p></div>
    <div id="sliders"></div>

    <script>
        let points = [];
        let draggedPoint = null;
        let offsetX, offsetY;
        let showPoints = true; // Toggle state for points visibility
        let history = []; // Array to store history of states
        let currentStateIndex = -1; // Index of the current state in history

        function generatePoints() {
            // Always start with 3 points that form a triangle
            points = [
                { x: 50, y: 50 },   // Point 1
                { x: 250, y: 50 },  // Point 2
                { x: 150, y: 250 }  // Point 3
            ];

            document.getElementById('sliders').innerHTML = '';
            const shape = document.getElementById('shape');
            shape.innerHTML = '';

            // Create sliders for the initial 3 points
            points.forEach((point, index) => {
                createSlider(index, point.x, point.y);
            });

            // Save the initial state to history
            saveState();
            updateShape();
        }

        function createSlider(index, x, y) {
            const sliders = document.getElementById('sliders');
            sliders.innerHTML += `
                <div class="slider-container">
                    <label>Point-${index + 1} X:</label>
                    <input type="range" min="0" max="300" value="${x}" oninput="updatePoint(${index}, this.value, 'x')">
                    <span class="slider-value">${x}</span>
                    <label>Y:</label>
                    <input type="range" min="0" max="300" value="${y}" oninput="updatePoint(${index}, this.value, 'y')">
                    <span class="slider-value">${y}</span>
                </div>`;
        }

        function updatePoint(index, value, axis) {
            points[index][axis] = Math.round(parseFloat(value)); // Round to nearest integer
            updateShape();

            // Update the slider value display
            const sliderContainer = document.querySelectorAll('.slider-container')[index];
            if (axis === 'x') {
                sliderContainer.querySelectorAll('.slider-value')[0].textContent = value;
            } else {
                sliderContainer.querySelectorAll('.slider-value')[1].textContent = value;
            }

            // Save the state after updating a point
            saveState();
        }

        function updateShape() {
            const shape = document.getElementById('shape');
            shape.innerHTML = '';
            let pathString = 'M ' + points.map(p => `${p.x},${p.y}`).join(' L ') + ' Z';
            shape.style.clipPath = `path("${pathString}")`;
            document.getElementById("code").innerText = pathString;

            if (showPoints) {
                points.forEach((p, index) => {
                    let pointElem = document.createElement('div');
                    pointElem.className = 'point';
                    pointElem.style.left = p.x + 'px';
                    pointElem.style.top = p.y + 'px';
                    pointElem.setAttribute('data-index', index);
                    pointElem.addEventListener('mousedown', startDrag);
                    shape.appendChild(pointElem);

                    let label = document.createElement('div');
                    label.className = 'point-label';
                    label.style.left = (p.x + 10) + 'px';
                    label.style.top = (p.y - 10) + 'px';
                    label.innerText = `P${index + 1} (${p.x},${p.y})`; // Use integer coordinates
                    shape.appendChild(label);
                });
            }
        }

        function startDrag(event) {
            draggedPoint = event.target;
            let index = draggedPoint.getAttribute('data-index');
            offsetX = event.clientX - points[index].x;
            offsetY = event.clientY - points[index].y;
            document.addEventListener('mousemove', drag);
            document.addEventListener('mouseup', stopDrag);
        }

        function drag(event) {
            if (draggedPoint) {
                let index = draggedPoint.getAttribute('data-index');
                points[index].x = Math.min(Math.max(Math.round(event.clientX - offsetX), 0), 300); // Round to nearest integer
                points[index].y = Math.min(Math.max(Math.round(event.clientY - offsetY), 0), 300); // Round to nearest integer
                updateShape();

                // Update the slider values when dragging
                const sliderContainer = document.querySelectorAll('.slider-container')[index];
                sliderContainer.querySelectorAll('.slider-value')[0].textContent = points[index].x;
                sliderContainer.querySelectorAll('.slider-value')[1].textContent = points[index].y;
            }
        }

        function stopDrag() {
            document.removeEventListener('mousemove', drag);
            document.removeEventListener('mouseup', stopDrag);
            draggedPoint = null;

            // Save the state after dragging
            saveState();
        }

        // 💡 TOGGLE POINTS VISIBILITY 💡
        function togglePoints() {
            showPoints = !showPoints; // Toggle the state
            updateShape(); // Redraw the shape with or without points
        }

        // 💡 SAVE STATE TO HISTORY 💡
        function saveState() {
            // Remove all future states if we're not at the latest state
            if (currentStateIndex < history.length - 1) {
                history.splice(currentStateIndex + 1);
            }

            // Save the current state
            history.push(JSON.parse(JSON.stringify(points))); // Deep copy of points
            currentStateIndex = history.length - 1;

            // Enable/disable Undo and Redo buttons
            document.getElementById('undoBtn').disabled = currentStateIndex === 0;
            document.getElementById('redoBtn').disabled = currentStateIndex === history.length - 1;
        }

        // 💡 UNDO FUNCTIONALITY 💡
        function undo() {
            if (currentStateIndex > 0) {
                currentStateIndex--;
                points = JSON.parse(JSON.stringify(history[currentStateIndex])); // Deep copy of state
                updateShape();
                updateSliders();

                // Enable/disable Undo and Redo buttons
                document.getElementById('undoBtn').disabled = currentStateIndex === 0;
                document.getElementById('redoBtn').disabled = false;
            }
        }

        // 💡 REDO FUNCTIONALITY 💡
        function redo() {
            if (currentStateIndex < history.length - 1) {
                currentStateIndex++;
                points = JSON.parse(JSON.stringify(history[currentStateIndex])); // Deep copy of state
                updateShape();
                updateSliders();

                // Enable/disable Undo and Redo buttons
                document.getElementById('undoBtn').disabled = false;
                document.getElementById('redoBtn').disabled = currentStateIndex === history.length - 1;
            }
        }

        // 💡 UPDATE SLIDERS AFTER UNDO/REDO 💡
        function updateSliders() {
            const sliders = document.getElementById('sliders');
            sliders.innerHTML = ''; // Clear existing sliders

            // Recreate sliders for all points
            points.forEach((point, index) => {
                createSlider(index, point.x, point.y);
            });
        }

        // 💡 ADD NEW POINT BETWEEN TWO CLOSEST POINTS 💡
        document.getElementById('shape').addEventListener('dblclick', function (event) {
            let rect = this.getBoundingClientRect();
            let x = event.clientX - rect.left;
            let y = event.clientY - rect.top;

            // Find the two closest points
            let closestPair = findClosestPair(x, y);

            // Calculate the new point between them
            let newPoint = {
                x: (closestPair[0].x + closestPair[1].x) / 2,
                y: (closestPair[0].y + closestPair[1].y) / 2
            };

            // Insert the new point between the two closest points
            let insertIndex = closestPair[2] + 1; // Insert after the first point in the closest pair
            points.splice(insertIndex, 0, newPoint);

            // Update slider names and re-create sliders
            updateSlidersAfterInsertion(insertIndex);

            // Save the state after adding a new point
            saveState();

            // Update the shape
            updateShape();
        });

        // Function to update sliders after inserting a new point
        function updateSlidersAfterInsertion(insertIndex) {
            const sliders = document.getElementById('sliders');
            sliders.innerHTML = ''; // Clear existing sliders

            // Recreate sliders for all points
            points.forEach((point, index) => {
                createSlider(index, point.x, point.y);
            });
        }

        // Function to find the two closest points to the new point
        function findClosestPair(x, y) {
            let closestDistance = Infinity;
            let closestPoints = [];
            let index = -1;

            // Check distance between the new point and each pair of points
            for (let i = 0; i < points.length; i++) {
                let nextIndex = (i + 1) % points.length; // Connect to the next point (circular)
                let midX = (points[i].x + points[nextIndex].x) / 2;
                let midY = (points[i].y + points[nextIndex].y) / 2;
                let dist = calculateDistance(x, y, midX, midY);

                if (dist < closestDistance) {
                    closestDistance = dist;
                    closestPoints = [points[i], points[nextIndex]];
                    index = i; // Store index of the first point in the closest pair
                }
            }
            return [closestPoints[0], closestPoints[1], index]; // Return the two closest points and the index of the first point
        }

        // Function to calculate the distance between two points
        function calculateDistance(x1, y1, x2, y2) {
            return Math.sqrt(Math.pow(x2 - x1, 2) + Math.pow(y2 - y1, 2));
        }

        generatePoints();
    </script>
</body>
</html>