feat(earth): request geolocation on resetView, fallback to China
This commit is contained in:
48
frontend/public/earth/js/controls.js
vendored
48
frontend/public/earth/js/controls.js
vendored
@@ -153,27 +153,39 @@ function animateValue(start, end, duration, onUpdate, onComplete) {
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export function resetView(camera) {
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if (!earthObj) return;
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const latRot = EARTH_CONFIG.chinaLat * Math.PI / 180;
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const targetRotX = EARTH_CONFIG.tiltRad + latRot * EARTH_CONFIG.latCoefficient;
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const targetRotY = -(EARTH_CONFIG.chinaRotLon * Math.PI / 180);
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function animateToView(targetLat, targetLon, targetRotLon) {
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const latRot = targetLat * Math.PI / 180;
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const targetRotX = EARTH_CONFIG.tiltRad + latRot * EARTH_CONFIG.latCoefficient;
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const targetRotY = -(targetRotLon * Math.PI / 180);
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const startRotX = earthObj.rotation.x;
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const startRotY = earthObj.rotation.y;
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const startZoom = zoomLevel;
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const targetZoom = 1.0;
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const startRotX = earthObj.rotation.x;
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const startRotY = earthObj.rotation.y;
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const startZoom = zoomLevel;
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const targetZoom = 1.0;
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animateValue(0, 1, 800, (progress) => {
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const ease = 1 - Math.pow(1 - progress, 3);
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earthObj.rotation.x = startRotX + (targetRotX - startRotX) * ease;
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earthObj.rotation.y = startRotY + (targetRotY - startRotY) * ease;
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animateValue(0, 1, 800, (progress) => {
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const ease = 1 - Math.pow(1 - progress, 3);
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earthObj.rotation.x = startRotX + (targetRotX - startRotX) * ease;
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earthObj.rotation.y = startRotY + (targetRotY - startRotY) * ease;
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zoomLevel = startZoom + (targetZoom - startZoom) * ease;
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camera.position.z = CONFIG.defaultCameraZ / zoomLevel;
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updateZoomDisplay(zoomLevel, camera.position.z.toFixed(0));
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}, () => {
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zoomLevel = 1.0;
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showStatusMessage('视角已重置', 'info');
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});
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zoomLevel = startZoom + (targetZoom - startZoom) * ease;
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camera.position.z = CONFIG.defaultCameraZ / zoomLevel;
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updateZoomDisplay(zoomLevel, camera.position.z.toFixed(0));
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}, () => {
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zoomLevel = 1.0;
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showStatusMessage('视角已重置', 'info');
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});
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}
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if (navigator.geolocation) {
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navigator.geolocation.getCurrentPosition(
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(pos) => animateToView(pos.coords.latitude, pos.coords.longitude, -pos.coords.longitude),
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() => animateToView(EARTH_CONFIG.chinaLat, EARTH_CONFIG.chinaLon, EARTH_CONFIG.chinaRotLon),
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{ timeout: 5000, enableHighAccuracy: false }
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);
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} else {
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animateToView(EARTH_CONFIG.chinaLat, EARTH_CONFIG.chinaLon, EARTH_CONFIG.chinaRotLon);
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}
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if (typeof window.clearLockedCable === 'function') {
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window.clearLockedCable();
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