/
Empty3DTileContent.js
191 lines (169 loc) · 4.53 KB
/
Empty3DTileContent.js
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define([
'../Core/defineProperties',
'../Core/destroyObject'
], function(
defineProperties,
destroyObject) {
'use strict';
/**
* Represents empty content for tiles in a
* {@link https://github.com/AnalyticalGraphicsInc/3d-tiles/blob/master/README.md|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;
/**
* @inheritdoc Cesium3DTileContent#featurePropertiesDirty
*/
this.featurePropertiesDirty = false;
}
defineProperties(Empty3DTileContent.prototype, {
/**
* @inheritdoc Cesium3DTileContent#featuresLength
*/
featuresLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#pointsLength
*/
pointsLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#trianglesLength
*/
trianglesLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#geometryByteLength
*/
geometryByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#texturesByteLength
*/
texturesByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#batchTableByteLength
*/
batchTableByteLength : {
get : function() {
return 0;
}
},
/**
* @inheritdoc Cesium3DTileContent#innerContents
*/
innerContents : {
get : function() {
return undefined;
}
},
/**
* @inheritdoc Cesium3DTileContent#readyPromise
*/
readyPromise : {
get : function() {
return undefined;
}
},
/**
* @inheritdoc Cesium3DTileContent#tileset
*/
tileset : {
get : function() {
return this._tileset;
}
},
/**
* @inheritdoc Cesium3DTileContent#tile
*/
tile : {
get : function() {
return this._tile;
}
},
/**
* @inheritdoc Cesium3DTileContent#url
*/
url: {
get: function() {
return undefined;
}
},
/**
* @inheritdoc Cesium3DTileContent#batchTable
*/
batchTable : {
get : function() {
return undefined;
}
}
});
/**
* 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;
};
/**
* @inheritdoc Cesium3DTileContent#applyDebugSettings
*/
Empty3DTileContent.prototype.applyDebugSettings = function(enabled, color) {
};
/**
* @inheritdoc Cesium3DTileContent#applyStyle
*/
Empty3DTileContent.prototype.applyStyle = function(frameState, style) {
};
/**
* @inheritdoc Cesium3DTileContent#update
*/
Empty3DTileContent.prototype.update = function(tileset, frameState) {
};
/**
* @inheritdoc Cesium3DTileContent#isDestroyed
*/
Empty3DTileContent.prototype.isDestroyed = function() {
return false;
};
/**
* @inheritdoc Cesium3DTileContent#destroy
*/
Empty3DTileContent.prototype.destroy = function() {
return destroyObject(this);
};
return Empty3DTileContent;
});