glb/index.html at main · Sarin-jacob/glb · 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>Point Cloud Depth Evaluator</title>
    <script src="https://cdn.tailwindcss.com"></script>
    <script>
        tailwind.config = {
            theme: {
                extend: {
                    colors: {
                        'accent-teal': '#14b8a6',
                        'accent-orange': '#ff5733',
                        'panel-dark': '#0b0f19',
                    }
                }
            }
        }
    </script>
    <style>
        body { margin: 0; overflow: hidden; background-color: #05070c; font-family: 'Inter', sans-serif; color: #f1f5f9; }
        #canvas-container { width: 100vw; height: 100vh; display: block; position: absolute; top: 0; left: 0; z-index: 1; }
        #ui-layer { position: absolute; z-index: 10; pointer-events: none; width: 100%; height: 100%; display: flex; flex-direction: column; justify-content: space-between; }
        .glass-panel { pointer-events: auto; backdrop-filter: blur(16px); -webkit-backdrop-filter: blur(16px); border: 1px solid rgba(20, 184, 166, 0.15); }

        input[type="file"]::file-selector-button {
            background-color: #14b8a6; color: #05070c; border: none; padding: 0.4rem 0.8rem;
            border-radius: 0.375rem; cursor: pointer; transition: all 0.2s; font-weight: 600; font-size: 0.75rem;
        }
        input[type="file"]::file-selector-button:hover { background-color: #2dd4bf; transform: translateY(-1px); }

        .measurement-label {
            position: absolute; background: rgba(11, 15, 25, 0.9); color: #14b8a6;
            padding: 4px 10px; border-radius: 6px; font-size: 12px; font-weight: 700;
            pointer-events: none; transform: translate(-50%, -50%);
            border: 1px solid rgba(255, 87, 51, 0.4); box-shadow: 0 4px 12px rgba(0,0,0,0.5);
            z-index: 20; font-family: monospace;
        }
    </style>
</head>
<body>

    <div id="ui-layer" class="p-4">
        <div class="glass-panel bg-panel-dark/80 w-80 p-5 rounded-xl shadow-2xl flex flex-col gap-5">
            <div class="flex items-center justify-between border-b border-teal-950 pb-3">
                <h1 class="text-sm font-bold tracking-wider text-accent-teal uppercase flex items-center gap-2">
                    <span class="w-2 h-2 rounded-full bg-accent-orange animate-pulse"></span>
                    Depth Cloud Analyzer
                </h1>
                <span id="point-count" class="text-[10px] font-mono bg-teal-950/50 px-2 py-0.5 rounded text-teal-400">0 pts</span>
            </div>

            <div>
                <label class="block text-[10px] font-semibold text-gray-400 uppercase tracking-widest mb-1.5">Import Depth Asset</label>
                <input type="file" id="file-input" accept=".glb,.gltf" class="block w-full text-xs text-gray-400 cursor-pointer"/>
            </div>

            <div>
                <div class="flex justify-between items-center mb-1">
                    <label class="text-[10px] font-semibold text-gray-400 uppercase tracking-widest">Point Size Evaluator</label>
                    <span id="size-val" class="text-xs font-mono text-accent-teal">0.020</span>
                </div>
                <input type="range" id="slider-size" min="0.001" max="0.1" step="0.001" value="0.02" class="w-full h-1 bg-gray-800 rounded-lg appearance-none cursor-pointer accent-accent-teal"/>
            </div>

            <div class="flex flex-col gap-2.5 pt-2">
                <button id="btn-measure" class="flex justify-between items-center bg-slate-900/60 hover:bg-slate-900 text-xs font-medium py-2.5 px-4 rounded-lg transition-all border border-gray-800 hover:border-accent-teal/40">
                    <span class="flex items-center gap-2 tracking-wide">
                        <svg class="w-3.5 h-3.5 text-accent-teal" fill="none" stroke="currentColor" viewBox="0 0 24 24"><path stroke-linecap="round" stroke-linejoin="round" stroke-width="2" d="M14.121 14.121L19 19m-7-7l7-7m-7 7l-2.879 2.879M12 12L9.121 9.121m0 5.758a3 3 0 10-4.243-4.243 3 3 0 004.243 4.243z"></path></svg>
                        Ray-Intercept Snap
                    </span>
                    <span class="flex h-2 w-2 relative">
                        <span class="animate-ping absolute inline-flex h-full w-full rounded-full bg-accent-orange opacity-75 hidden" id="measure-ping"></span>
                        <span class="relative inline-flex rounded-full h-2 w-2 bg-gray-600" id="measure-dot"></span>
                    </span>
                </button>

                <button id="btn-clear" class="text-center text-gray-400 hover:text-accent-orange bg-transparent hover:bg-accent-orange/5 text-xs font-medium py-2 px-4 rounded-lg transition-all border border-transparent hover:border-accent-orange/20">
                    Clear Diagnostics
                </button>
            </div>
        </div>

        <div class="glass-panel bg-panel-dark/60 self-start px-4 py-2 rounded-lg text-[11px] font-mono text-gray-400 max-w-md border border-teal-950/30">
            <span class="text-accent-teal">Status:</span> <span id="status-text">Awaiting Asset Injection...</span>
        </div>
    </div>

    <div id="labels-container"></div>
    <div id="canvas-container"></div>

    <script type="importmap">
        {
            "imports": {
                "three": "https://unpkg.com/three@0.160.0/build/three.module.js",
                "three/addons/": "https://unpkg.com/three@0.160.0/examples/jsm/"
            }
        }
    </script>

    <script type="module">
        import * as THREE from 'three';
        import { OrbitControls } from 'three/addons/controls/OrbitControls.js';
        import { GLTFLoader } from 'three/addons/loaders/GLTFLoader.js';

        // --- Core Environment Engine ---
        const container = document.getElementById('canvas-container');
        const scene = new THREE.Scene();

        const camera = new THREE.PerspectiveCamera(45, window.innerWidth / window.innerHeight, 0.001, 1000);
        camera.position.set(1, 1, 2);

        const renderer = new THREE.WebGLRenderer({ antialias: true, alpha: false });
        renderer.setPixelRatio(window.devicePixelRatio);
        renderer.setSize(window.innerWidth, window.innerHeight);
        container.appendChild(renderer.domElement);

        const controls = new OrbitControls(camera, renderer.domElement);
        controls.enableDamping = true;
        controls.dampingFactor = 0.05;

        // --- System State ---
        let currentPointCloud = null;
        let globalPointSize = 0.02;
        let isMeasuring = false;

        const diagnosticObjects = [];
        const labels = [];
        let currentPoints = [];

        // --- Precision Hover/Snap Indicator Setup ---
        // Marker radius = (Size * 3) / 2 to keep diameter at exactly 3x the size configuration
        const previewGeo = new THREE.SphereGeometry(1, 16, 16);
        const previewMat = new THREE.MeshBasicMaterial({ color: 0xff5733, transparent: true, opacity: 0.7, depthTest: false });
        const previewMarker = new THREE.Mesh(previewGeo, previewMat);
        previewMarker.visible = false;
        previewMarker.renderOrder = 1000;
        scene.add(previewMarker);

        // --- Dynamic Sizing Controller ---
        function updateMarkerScales() {
            // Scale factors applied uniformly based on configuration state
            const targetRadius = (globalPointSize * 3) / 2;
            previewMarker.scale.setScalar(targetRadius);
            diagnosticObjects.forEach(obj => {
                if (obj.isMarkerSphere) {
                    obj.scale.setScalar(targetRadius);
                }
            });
        }

        // --- UI / Control Handlers ---
        const sliderSize = document.getElementById('slider-size');
        const sizeVal = document.getElementById('size-val');

        sliderSize.addEventListener('input', (e) => {
            globalPointSize = parseFloat(e.target.value);
            sizeVal.textContent = globalPointSize.toFixed(3);
            if (currentPointCloud) {
                currentPointCloud.material.size = globalPointSize;
            }
            updateMarkerScales();
        });

        const btnMeasure = document.getElementById('btn-measure');
        const measureDot = document.getElementById('measure-dot');
        const measurePing = document.getElementById('measure-ping');
        const statusText = document.getElementById('status-text');

        btnMeasure.addEventListener('click', () => {
            isMeasuring = !isMeasuring;
            if (isMeasuring) {
                btnMeasure.classList.add('border-accent-orange/40', 'text-accent-orange', 'bg-accent-orange/5');
                measureDot.classList.replace('bg-gray-600', 'bg-accent-orange');
                measurePing.classList.remove('hidden');
                statusText.textContent = "Intercept Mode Active: Hover to reveal vertices, Click to drop node.";
            } else {
                btnMeasure.classList.remove('border-accent-orange/40', 'text-accent-orange', 'bg-accent-orange/5');
                measureDot.classList.replace('bg-accent-orange', 'bg-gray-600');
                measurePing.classList.add('hidden');
                previewMarker.visible = false;
                statusText.textContent = "Analytical Sandbox Stable.";
                currentPoints = [];
            }
        });

        document.getElementById('btn-clear').addEventListener('click', clearDiagnostics);

        // --- Asset Parsing Pipeline ---
        const loader = new GLTFLoader();
        document.getElementById('file-input').addEventListener('change', (event) => {
            const file = event.target.files[0];
            if (!file) return;

            statusText.textContent = "Deconstructing GLB matrix structural data...";
            const url = URL.createObjectURL(file);

            loader.load(url, (gltf) => {
                if (currentPointCloud) scene.remove(currentPointCloud);
                clearDiagnostics();

                let extractedGeometry = null;
                let totalVertices = 0;

                // Traverse and convert elements natively to point structures
                gltf.scene.traverse((child) => {
                    if (child.isPoints) {
                        extractedGeometry = child.geometry.clone();
                    } else if (child.isMesh && !extractedGeometry) {
                        // Structural conversion logic for mesh payloads
                        extractedGeometry = child.geometry.clone();
                    }
                });

                if (extractedGeometry) {
                    totalVertices = extractedGeometry.attributes.position.count;
                    document.getElementById('point-count').textContent = `${totalVertices.toLocaleString()} pts`;

                    const ptsMaterial = new THREE.PointsMaterial({
                        color: 0xffffff,
                        size: globalPointSize,
                        sizeAttenuation: true,
                        transparent: true,
                        opacity: 0.85,
                        vertexColors: extractedGeometry.attributes.color ? true : false
                    });

                    currentPointCloud = new THREE.Points(extractedGeometry, ptsMaterial);

                    // Center architecture bounding space
                    const box = new THREE.Box3().setFromObject(currentPointCloud);
                    const center = box.getCenter(new THREE.Vector3());
                    const size = box.getSize(new THREE.Vector3());

                    currentPointCloud.position.sub(center);
                    scene.add(currentPointCloud);

                    // Dynamic calibration adjustments
                    const maxDim = Math.max(size.x, size.y, size.z);
                    globalPointSize = maxDim * 0.008; // Auto-calculate optimized starting scale
                    sliderSize.value = globalPointSize;
                    sizeVal.textContent = globalPointSize.toFixed(3);
                    currentPointCloud.material.size = globalPointSize;
                    updateMarkerScales();

                    // Adjust visual targeting frame
                    const fov = camera.fov * (Math.PI / 180);
                    let cameraZ = Math.abs(maxDim / 2 / Math.tan(fov / 2));
                    camera.position.set(cameraZ * 0.7, cameraZ * 0.6, cameraZ * 1.1);
                    camera.near = maxDim / 500;
                    camera.far = maxDim * 100;
                    camera.updateProjectionMatrix();

                    controls.target.set(0,0,0);
                    controls.update();

                    statusText.textContent = `Successfully computed point matrix. Max Boundary: ${maxDim.toFixed(3)} units.`;
                } else {
                    statusText.textContent = "Failed Calibration: No valid vertex data resolved.";
                }

                URL.revokeObjectURL(url);
            }, undefined, (err) => {
                statusText.textContent = "Critical Parsing Interrupt Error.";
                console.error(err);
            });
        });

        // --- Ray-Intercept & Hover Processing Engine ---
        const raycaster = new THREE.Raycaster();
        const mouse = new THREE.Vector2();

        function executeRaycast(event) {
            if (!currentPointCloud) return null;

            mouse.x = (event.clientX / window.innerWidth) * 2 - 1;
            mouse.y = -(event.clientY / window.innerHeight) * 2 + 1;

            raycaster.setFromCamera(mouse, camera);
            // Dynamic adaptation threshold linked directly to the cloud size profile
            raycaster.params.Points.threshold = globalPointSize * 0.75;

            const intersects = raycaster.intersectObject(currentPointCloud, true);
            if (intersects.length > 0) {
                const intersect = intersects[0];
                const index = intersect.index;
                const targetPos = new THREE.Vector3();

                targetPos.fromBufferAttribute(currentPointCloud.geometry.attributes.position, index);
                targetPos.applyMatrix4(currentPointCloud.matrixWorld);
                return targetPos;
            }
            return null;
        }

        // Live Pointer Tracking (Hover state verification)
        window.addEventListener('pointermove', (event) => {
            if (!isMeasuring || !currentPointCloud) return;

            const snappedPoint = executeRaycast(event);
            if (snappedPoint) {
                previewMarker.position.copy(snappedPoint);
                previewMarker.visible = true;
            } else {
                previewMarker.visible = false;
            }
        });

        // Intercept Commit Handler (Click to confirm node connection)
        container.addEventListener('pointerdown', (event) => {
            if (!isMeasuring || !currentPointCloud) return;
            if (event.button !== 0) return; // Left click execution profile only

            const snappedPoint = executeRaycast(event);
            if (snappedPoint) {
                dropDiagnosticNode(snappedPoint);
            }
        });

        function dropDiagnosticNode(point) {
            const targetRadius = (globalPointSize * 3) / 2;
            const markerGeo = new THREE.SphereGeometry(1, 16, 16);
            const markerMat = new THREE.MeshBasicMaterial({ color: 0xff5733, depthTest: false });

            const markerNode = new THREE.Mesh(markerGeo, markerMat);
            markerNode.isMarkerSphere = true; // State system tag
            markerNode.scale.setScalar(targetRadius);
            markerNode.renderOrder = 1001;
            markerNode.position.copy(point);

            scene.add(markerNode);
            diagnosticObjects.push(markerNode);
            currentPoints.push(point);

            if (currentPoints.length === 2) {
                const traceMat = new THREE.LineBasicMaterial({ color: 0x14b8a6, linewidth: 2, depthTest: false });
                const traceGeo = new THREE.BufferGeometry().setFromPoints(currentPoints);
                const evaluationTrace = new THREE.Line(traceGeo, traceMat);
                evaluationTrace.renderOrder = 999;

                scene.add(evaluationTrace);
                diagnosticObjects.push(evaluationTrace);

                const realWorldDistance = currentPoints[0].distanceTo(currentPoints[1]);
                const mathematicalMidpoint = new THREE.Vector3().addVectors(currentPoints[0], currentPoints[1]).multiplyScalar(0.5);

                generateHUDLabel(realWorldDistance, mathematicalMidpoint);
                currentPoints = []; // Flush tracking container
                statusText.textContent = `Metric Distance Resolved: ${realWorldDistance.toFixed(5)} units.`;
            }
        }

        function generateHUDLabel(distance, trackingVector) {
            const div = document.createElement('div');
            div.className = 'measurement-label';
            div.textContent = `${distance.toFixed(5)} U`;
            document.getElementById('labels-container').appendChild(div);
            labels.push({ element: div, position: trackingVector });
        }

        function clearDiagnostics() {
            diagnosticObjects.forEach(obj => scene.remove(obj));
            diagnosticObjects.length = 0;
            labels.forEach(lbl => lbl.element.remove());
            labels.length = 0;
            currentPoints = [];
            previewMarker.visible = false;
            statusText.textContent = "Diagnostic registers purged.";
        }

        function syncHUDLabels() {
            labels.forEach(label => {
                const projectionVector = label.position.clone();
                projectionVector.project(camera);

                if (projectionVector.z > 1) {
                    label.element.style.display = 'none';
                    return;
                }

                label.element.style.display = 'block';
                const coordinateX = (projectionVector.x * 0.5 + 0.5) * window.innerWidth;
                const coordinateY = (projectionVector.y * -0.5 + 0.5) * window.innerHeight;

                label.element.style.left = `${coordinateX}px`;
                label.element.style.top = `${coordinateY}px`;
            });
        }

        // --- Render Coordination Loop ---
        window.addEventListener('resize', () => {
            camera.aspect = window.innerWidth / window.innerHeight;
            camera.updateProjectionMatrix();
            renderer.setSize(window.innerWidth, window.innerHeight);
        });

        function pipelineTick() {
            requestAnimationFrame(pipelineTick);
            controls.update();
            syncHUDLabels();
            renderer.render(scene, camera);
        }
        pipelineTick();
    </script>
</body>
</html>