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| 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96 97 98 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 | 1595x 1595x 1595x 1x 4x 4x 4x 1x 1x 1x 4x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1x 1472x | import destroyObject from "../Core/destroyObject.js";
import DeveloperError from "../Core/DeveloperError.js";
/**
* Represents empty content for tiles in a
* {@link https://github.com/CesiumGS/3d-tiles/tree/main/specification|3D Tiles} tileset that
* do not have content, e.g., because they are used to optimize hierarchical culling.
* <p>
* Implements the {@link Cesium3DTileContent} interface.
* </p>
*
* @alias Empty3DTileContent
* @constructor
*
* @private
*/
function Empty3DTileContent(tileset, tile) {
this._tileset = tileset;
this._tile = tile;
this.featurePropertiesDirty = false;
}
Object.defineProperties(Empty3DTileContent.prototype, {
featuresLength: {
get: function () {
return 0;
},
},
pointsLength: {
get: function () {
return 0;
},
},
trianglesLength: {
get: function () {
return 0;
},
},
geometryByteLength: {
get: function () {
return 0;
},
},
texturesByteLength: {
get: function () {
return 0;
},
},
batchTableByteLength: {
get: function () {
return 0;
},
},
innerContents: {
get: function () {
return undefined;
},
},
/**
* Returns true when the tile's content is ready to render; otherwise false
*
* @memberof Empty3DTileContent.prototype
*
* @type {boolean}
* @readonly
* @private
*/
ready: {
get: function () {
return true;
},
},
tileset: {
get: function () {
return this._tileset;
},
},
tile: {
get: function () {
return this._tile;
},
},
url: {
get: function () {
return undefined;
},
},
metadata: {
get: function () {
return undefined;
},
set: function (value) {
//>>includeStart('debug', pragmas.debug);
throw new DeveloperError(
"Empty3DTileContent cannot have content metadata",
);
//>>includeEnd('debug');
},
},
batchTable: {
get: function () {
return undefined;
},
},
group: {
get: function () {
return undefined;
},
set: function (value) {
//>>includeStart('debug', pragmas.debug);
throw new DeveloperError("Empty3DTileContent cannot have group metadata");
//>>includeEnd('debug');
},
},
});
/**
* Part of the {@link Cesium3DTileContent} interface. <code>Empty3DTileContent</code>
* always returns <code>false</code> since a tile of this type does not have any features.
*/
Empty3DTileContent.prototype.hasProperty = function (batchId, name) {
return false;
};
/**
* Part of the {@link Cesium3DTileContent} interface. <code>Empty3DTileContent</code>
* always returns <code>undefined</code> since a tile of this type does not have any features.
*/
Empty3DTileContent.prototype.getFeature = function (batchId) {
return undefined;
};
Empty3DTileContent.prototype.applyDebugSettings = function (enabled, color) {};
Empty3DTileContent.prototype.applyStyle = function (style) {};
Empty3DTileContent.prototype.update = function (tileset, frameState) {};
Empty3DTileContent.prototype.pick = function (ray, frameState, result) {
return undefined;
};
Empty3DTileContent.prototype.isDestroyed = function () {
return false;
};
Empty3DTileContent.prototype.destroy = function () {
return destroyObject(this);
};
export default Empty3DTileContent;
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