feat: editable camera params panel on Court tab with live 3D update

Position Y, Height, Stereo gap, Rotation angle, HFOV — all adjustable
in real time, 3D scene updates on change.

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

src/web/templates/index.html

@@ -213,6 +213,34 @@
             height: 60px;
         }
 
+        /* Camera params panel */
+        .cam-params {
+            display: flex;
+            gap: 8px;
+            align-items: center;
+            padding: 4px 8px;
+        }
+        .param-row {
+            display: flex;
+            flex-direction: column;
+            gap: 2px;
+        }
+        .param-row label {
+            font-size: 10px;
+            color: #888;
+            white-space: nowrap;
+        }
+        .param-row input {
+            width: 60px;
+            padding: 3px 5px;
+            background: #1a1a2e;
+            border: 1px solid #333;
+            border-radius: 4px;
+            color: #4ecca3;
+            font-size: 12px;
+            text-align: center;
+        }
+
         /* Event banner */
         .event-banner {
             display: none;
@@ -286,8 +314,30 @@
         <div class="bottom-bar">
             <div class="cam-thumb"><img id="court-cam1" alt="Camera 1"></div>
             <div class="cam-thumb"><img id="court-cam0" alt="Camera 0"></div>
+            <div class="cam-params">
+                <div class="param-row">
+                    <label>Pos Y (м от корта)</label>
+                    <input type="number" id="paramPosY" value="1" step="0.1" min="0.1" max="5" onchange="updateCamParams()">
+                </div>
+                <div class="param-row">
+                    <label>Pos Z (высота м)</label>
+                    <input type="number" id="paramPosZ" value="1" step="0.1" min="0.1" max="5" onchange="updateCamParams()">
+                </div>
+                <div class="param-row">
+                    <label>Stereo (см)</label>
+                    <input type="number" id="paramStereo" value="6" step="1" min="1" max="30" onchange="updateCamParams()">
+                </div>
+                <div class="param-row">
+                    <label>Разворот (°)</label>
+                    <input type="number" id="paramAngle" value="15" step="1" min="0" max="45" onchange="updateCamParams()">
+                </div>
+                <div class="param-row">
+                    <label>HFOV (°)</label>
+                    <input type="number" id="paramHfov" value="128" step="1" min="30" max="180" onchange="updateCamParams()">
+                </div>
+            </div>
             <div class="sidebar-panel">
-                <button class="btn-calibrate" id="btnCalibrate" onclick="doCalibrate()">Calibrate Court</button>
+                <button class="btn-calibrate" id="btnCalibrate" onclick="doCalibrate()">Calibrate</button>
                 <div class="calibrate-status" id="calStatus">
                     <span id="calStatusText">Not calibrated</span>
                 </div>
@@ -507,7 +557,7 @@ function initCourtScene() {
     courtScene.add(new THREE.AmbientLight(0xffffff, 0.8));
 
     // Physical camera marker: 1m from net, center, 1m height
-    addStereocameras(courtScene);
+    addStereocameras(courtScene, getCamParams());
 
     // Load existing calibration cameras
     fetch('/api/calibration/data')
@@ -608,7 +658,7 @@ function initTrajectoryScene() {
     trajScene.add(new THREE.AmbientLight(0xffffff, 0.8));
 
     // Physical camera marker: 1m from net, center, 1m height
-    addStereocameras(trajScene);
+    addStereocameras(trajScene, getCamParams());
 
     function animateTraj() {
         requestAnimationFrame(animateTraj);
@@ -627,12 +677,26 @@ function initTrajectoryScene() {
 }
 
 // ===================== Stereo camera rig with court coverage =====================
-function addStereocameras(scene) {
-    // Position: net line (X=6.7), 1m outside court edge (Y=-1), 1m height (Z=1)
-    var baseX = 6.7, baseY = -1, baseZ = 1;
-    var stereoGap = 0.06; // 6cm between cameras
-    var camAngle = 15; // degrees each camera is rotated outward from straight +Y
-    var hfov = 128; // horizontal FOV degrees (IMX219 160° diagonal, 4:3 sensor)
+// Track camera overlay objects for live update
+var camOverlayObjects = [];
+
+function addStereocameras(scene, params) {
+    params = params || {};
+    var baseX = 6.7;
+    var baseY = -(params.posY || 1);
+    var baseZ = params.posZ || 1;
+    var stereoGap = (params.stereo || 6) / 100;
+    var camAngle = params.angle || 15;
+    var hfov = params.hfov || 128;
+
+    // Remove old overlay objects
+    camOverlayObjects.forEach(function(obj) { scene.remove(obj); });
+    camOverlayObjects = [];
+
+    function addObj(obj) {
+        scene.add(obj);
+        camOverlayObjects.push(obj);
+    }
 
     var cam0x = baseX - stereoGap / 2;
     var cam1x = baseX + stereoGap / 2;
@@ -644,7 +708,7 @@ function addStereocameras(scene) {
             new THREE.MeshBasicMaterial({ color: color })
         );
         body.position.set(cx, baseY, baseZ);
-        scene.add(body);
+        addObj(body);
     }
     drawCamBody(cam0x, 0x44aaff);
     drawCamBody(cam1x, 0xff44aa);
@@ -654,7 +718,7 @@ function addStereocameras(scene) {
         new THREE.Vector3(baseX, baseY, 0),
         new THREE.Vector3(baseX, baseY, baseZ)
     ]);
-    scene.add(new THREE.Line(poleGeo, new THREE.LineBasicMaterial({ color: 0x666666 })));
+    addObj(new THREE.Line(poleGeo, new THREE.LineBasicMaterial({ color: 0x666666 })));
 
     // Court boundaries for clipping
     var courtMinX = 0, courtMaxX = 13.4, courtMinY = 0, courtMaxY = 6.1;
@@ -713,7 +777,7 @@ function addStereocameras(scene) {
             var triGeo = new THREE.BufferGeometry().setFromPoints([
                 camOnCourt, farPoints[i], farPoints[i + 1]
             ]);
-            scene.add(new THREE.Mesh(triGeo, mat));
+            addObj(new THREE.Mesh(triGeo, mat));
         }
     }
 
@@ -886,6 +950,23 @@ setInterval(function() {
         }
     }).catch(function() {});
 }, 1000);
+
+// ===================== Camera params live update =====================
+function getCamParams() {
+    return {
+        posY: parseFloat(document.getElementById('paramPosY').value) || 1,
+        posZ: parseFloat(document.getElementById('paramPosZ').value) || 1,
+        stereo: parseFloat(document.getElementById('paramStereo').value) || 6,
+        angle: parseFloat(document.getElementById('paramAngle').value) || 15,
+        hfov: parseFloat(document.getElementById('paramHfov').value) || 128
+    };
+}
+
+function updateCamParams() {
+    var p = getCamParams();
+    if (courtSceneInitialized) addStereocameras(courtScene, p);
+    if (trajSceneInitialized) addStereocameras(trajScene, p);
+}
 </script>
 </body>
 </html>