From 60988c5df8e99fd5d3726400d5d60fbba255a83b Mon Sep 17 00:00:00 2001 From: fukunee Date: Sat, 19 Sep 2026 15:47:27 +0800 Subject: [PATCH] =?UTF-8?q?=E5=85=B3=E9=97=AD=E5=8C=97=E6=9C=9D=E4=B8=8A?= =?UTF-8?q?=E9=99=90=E5=88=B6=EF=BC=88roll=20=E5=9B=BA=E5=AE=9A=200?= =?UTF-8?q?=EF=BC=89=E4=BE=9B=E5=AF=B9=E6=AF=94=E6=B5=8B=E8=AF=95?= MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit --- src/scene/CesiumGlobe.js | 30 ++---------------------------- 1 file changed, 2 insertions(+), 28 deletions(-) diff --git a/src/scene/CesiumGlobe.js b/src/scene/CesiumGlobe.js index 581a595..d12da08 100644 --- a/src/scene/CesiumGlobe.js +++ b/src/scene/CesiumGlobe.js @@ -482,36 +482,10 @@ export class CesiumGlobe { const heading = Math.atan2(sc.localDir.x, sc.localDir.y); const pitch = Math.asin(sc.localDir.z); - // 计算“北朝上”所需的 roll：把 roll=0 的 up（水平线方向）滚转到“世界 Z 投影”的 up， - // 这样倾斜时 up 不随方向转动（否则会又倾斜又旋转） - const dz = dir.z; - sc.un.x = -dir.x * dz; - sc.un.y = -dir.y * dz; - sc.un.z = 1 - dz * dz; - if (Cesium.Cartesian3.magnitudeSquared(sc.un) < 1e-12) { - Cesium.Cartesian3.clone(s.up, sc.un); - } else { - Cesium.Cartesian3.normalize(sc.un, sc.un); - } - Cesium.Cartesian3.normalize(sc.newPos, sc.enuUp); // 径向 = newPos 处的“上” - const d0 = Cesium.Cartesian3.dot(sc.enuUp, dir); - sc.u0.x = sc.enuUp.x - d0 * dir.x; - sc.u0.y = sc.enuUp.y - d0 * dir.y; - sc.u0.z = sc.enuUp.z - d0 * dir.z; - let roll = 0; - if (Cesium.Cartesian3.magnitudeSquared(sc.u0) > 1e-12) { - Cesium.Cartesian3.normalize(sc.u0, sc.u0); - Cesium.Cartesian3.cross(sc.u0, sc.un, sc.cross); - const sin = - Cesium.Cartesian3.magnitude(sc.cross) * - Math.sign(Cesium.Cartesian3.dot(sc.cross, dir)); - const cos = Cesium.Cartesian3.dot(sc.u0, sc.un); - roll = Math.atan2(sin, cos); - } - + // 关闭北朝上限制：roll 固定 0（up 随倾斜自然转动） camera.setView({ destination: Cesium.Cartesian3.clone(sc.newPos), - orientation: { heading, pitch, roll }, + orientation: { heading, pitch, roll: 0 }, }); }