export default {
    methods: {
        toFixed(num, length) {
            return parseFloat(num).toFixed(length);
        },
        changeModelAngle(model) {
            if (this.type === "b3dm") {
                model.setEditData({
                    r_y: this.data.roll,
                    r_x: this.data.pitch,
                    r_z: this.data.heading
                })
            } else {
                model.orientation = Cesium.Transforms.headingPitchRollQuaternion(
                    model.position.getValue(),
                    new Cesium.HeadingPitchRoll(
                        Cesium.Math.toRadians(Cesium.defaultValue(this.data.heading, 0)),
                        Cesium.Math.toRadians(Cesium.defaultValue(this.data.pitch, 0)),
                        Cesium.Math.toRadians(Cesium.defaultValue(this.data.roll, 0))
                    )
                );
            }

        },
        changeModelPosition(model) {
            if (this.type === "b3dm") {
                if (this.setPositionType === "height") {
                    model.setHeight(this.data.height);
                } else {
                    model.setPosition([this.data.lon, this.data.lat, this.data.height]);
                }
            } else if (this.type === "gltf") {
                model.position = Cesium.Cartesian3.fromDegrees(this.data.lon, this.data.lat, this.data.height);
            }
        },
        changeModelScale(model) {
            model.model.scale = this.data.scale;
        },
        // 编辑模型
        editModel(editType, model) {
            if (editType === "lon" || editType === "lat" || editType === "height") {
                this.changeModelPosition(model, editType);
            } else if (editType === "scale") {
                this.changeModelScale(model);
            } else if (editType === "setPositionType") {
                if (this.setPositionType === "height") {
                    model.setHeight(this.data.height);
                } else {
                    this.data.lon = this.toFixed(model.modelEditData.lon, 6);
                    this.data.lat = this.toFixed(model.modelEditData.lat, 6);
                    this.data.heading = model.modelEditData.r_z;
                    this.data.pitch = model.modelEditData.r_x;
                    this.data.roll = model.modelEditData.r_y;
                    model.setPosition([this.data.lon, this.data.lat, this.data.height]);
                }
            } else if (editType === "setPosition") {
                if (this.setPosition) {
                    this.data.height = this.toFixed(model.modelEditData.height, 2);
                    this.editModel("setPositionType", model);
                } else {
                    model.restore();
                }
            } else if (editType === "maximumScreenSpaceError") {
                model.item.maximumScreenSpaceError = this.data.maximumScreenSpaceError || 16;
            } else if (editType === "maximumMemoryUsage") {
                model.item.maximumMemoryUsage = this.data.maximumMemoryUsage || 512;
            } else if (editType === "geometricError" && this.data.geometricError) {
                model.item._geometricError = this.data.geometricError;
            } else if (editType === "color") {
                model.item.style = new Cesium.Cesium3DTileStyle(model.setStyle({
                    colors: this.data.color
                }));
            } else if (editType === "heading" || editType === "pitch" || editType === "roll") {
                this.changeModelAngle(model);
            } else if (editType === 'effects' || editType === 'effectsMaxHeight') {
                model[editType] = this.data[editType];
            }
        },
        // 还原
        restore(model) {
            if (this.type === "b3dm") {
                if (this.defaultEditData.modelHeight != undefined) {
                    model.setHeight(this.defaultEditData.modelHeight);
                } else if (this.defaultEditData.Center != undefined) {
                    model.setPosition(this.defaultEditData.Center);
                    model.setEditData({
                        r_y: this.defaultEditData.roll || 0,
                        r_x: this.defaultEditData.pitch || 0,
                        r_z: this.defaultEditData.heading || 0
                    })
                } else {
                    model.restore();
                }
                if (this.defaultEditData.maximumScreenSpaceError) {
                    model.item.maximumScreenSpaceError = this.defaultEditData.maximumScreenSpaceError || 16;
                }
                if (this.defaultEditData.color) {
                    model.item.style = new Cesium.Cesium3DTileStyle(model.setStyle({
                        colors: this.defaultEditData.color
                    }));
                } else {
                    model.item.style = new Cesium.Cesium3DTileStyle(model.setStyle({
                        colors: `rgba(255,255,255,${this.defaultEditData.alpha || 1})`
                    }));
                }
            } else if (this.type === "gltf") {
                model.position = Cesium.Cartesian3.fromDegrees(this.defaultEditData.lon, this.defaultEditData.lat, this.defaultEditData.height);
                model.model.scale = this.defaultEditData.scale;
                if (this.defaultEditData.heading || this.defaultEditData.pitch || this.defaultEditData.roll) {
                    model.orientation = Cesium.Transforms.headingPitchRollQuaternion(
                        model.position.getValue(),
                        new Cesium.HeadingPitchRoll(
                            Cesium.Math.toRadians(Cesium.defaultValue(this.defaultEditData.heading, 0)),
                            Cesium.Math.toRadians(Cesium.defaultValue(this.defaultEditData.pitch, 0)),
                            Cesium.Math.toRadians(Cesium.defaultValue(this.defaultEditData.roll, 0))
                        )
                    );
                } else {
                    model.orientation = undefined
                }
            }
        },
    },
};