超图是不是不支持视椎体FrustumGeometry方法，手册中搜不到，执行后会报错

map_xins...

2EXP 2024年11月27日

// 创建视锥体及轮廓线
function addFrustum(position,orientation) {
    let frustum = new SuperMap3D.PerspectiveFrustum({
        // 查看的视场角，绕Z轴旋转，以弧度方式输入
        // fov: Cesium.Math.PI_OVER_THREE,
        fov: SuperMap3D.Math.toRadians(30),
        // 视锥体的宽度/高度
        aspectRatio: 200 / 300,
        // 近面距视点的距离
        near: 10,
        // 远面距视点的距离
        far: 100,
    });
    let instanceGeo = new SuperMap3D.GeometryInstance({
        geometry: new SuperMap3D.FrustumGeometry({
            frustum: frustum,
            origin: position,
            orientation: orientation,
            vertexFormat: SuperMap3D.VertexFormat.POSITION_ONLY,
        }),
        attributes: {
            color: SuperMap3D.ColorGeometryInstanceAttribute.fromColor(
                new SuperMap3D.Color(1.0, 0.0, 0.0, 0.5)
            ),
        },
    });
    let primitive = new SuperMap3D.Primitive({
        geometryInstances: instanceGeo,
        appearance: new SuperMap3D.PerInstanceColorAppearance({
            closed: true,
            flat: true,
        }),
        asynchronous: false,
    });
    viewer.scene.primitives.add(primitive);
}