Press n or j to go to the next uncovered block, b, p or k for the previous block.
| 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 99 100 101 102 103 104 105 106 107 108 109 110 111 112 113 114 115 116 117 118 119 120 121 122 123 124 125 126 127 128 129 130 131 132 133 134 135 136 137 138 139 140 141 142 143 144 145 146 147 148 149 150 151 152 153 154 155 156 157 158 159 160 161 162 163 164 165 166 167 168 169 170 171 172 173 174 175 176 177 178 179 180 | 477x 477x 477x 1x 476x 1x 151x 151x 151x 1x 474x 1x 473x 1x 472x 1x 32x 1x 31x 22x 9x 9x 9x | import ComponentDatatype from "./ComponentDatatype.js";
import defined from "./defined.js";
import DeveloperError from "./DeveloperError.js";
/**
* Value and type information for per-instance geometry attribute that determines if the geometry instance has a distance display condition.
*
* @alias DistanceDisplayConditionGeometryInstanceAttribute
* @constructor
*
* @param {number} [near=0.0] The near distance.
* @param {number} [far=Number.MAX_VALUE] The far distance.
*
* @exception {DeveloperError} far must be greater than near.
*
* @example
* const instance = new Cesium.GeometryInstance({
* geometry : new Cesium.BoxGeometry({
* vertexFormat : Cesium.VertexFormat.POSITION_AND_NORMAL,
* minimum : new Cesium.Cartesian3(-250000.0, -250000.0, -250000.0),
* maximum : new Cesium.Cartesian3(250000.0, 250000.0, 250000.0)
* }),
* modelMatrix : Cesium.Matrix4.multiplyByTranslation(Cesium.Transforms.eastNorthUpToFixedFrame(
* Cesium.Cartesian3.fromDegrees(-75.59777, 40.03883)), new Cesium.Cartesian3(0.0, 0.0, 1000000.0), new Cesium.Matrix4()),
* id : 'box',
* attributes : {
* distanceDisplayCondition : new Cesium.DistanceDisplayConditionGeometryInstanceAttribute(100.0, 10000.0)
* }
* });
*
* @see GeometryInstance
* @see GeometryInstanceAttribute
*/
function DistanceDisplayConditionGeometryInstanceAttribute(near, far) {
near = near ?? 0.0;
far = far ?? Number.MAX_VALUE;
//>>includeStart('debug', pragmas.debug);
if (far <= near) {
throw new DeveloperError(
"far distance must be greater than near distance.",
);
}
//>>includeEnd('debug');
/**
* The values for the attributes stored in a typed array.
*
* @type {Float32Array}
*
* @default [0.0, 0.0, Number.MAX_VALUE]
*/
this.value = new Float32Array([near, far]);
}
Object.defineProperties(
DistanceDisplayConditionGeometryInstanceAttribute.prototype,
{
/**
* The datatype of each component in the attribute, e.g., individual elements in
* {@link DistanceDisplayConditionGeometryInstanceAttribute#value}.
*
* @memberof DistanceDisplayConditionGeometryInstanceAttribute.prototype
*
* @type {ComponentDatatype}
* @readonly
*
* @default {@link ComponentDatatype.FLOAT}
*/
componentDatatype: {
get: function () {
return ComponentDatatype.FLOAT;
},
},
/**
* The number of components in the attributes, i.e., {@link DistanceDisplayConditionGeometryInstanceAttribute#value}.
*
* @memberof DistanceDisplayConditionGeometryInstanceAttribute.prototype
*
* @type {number}
* @readonly
*
* @default 3
*/
componentsPerAttribute: {
get: function () {
return 2;
},
},
/**
* When <code>true</code> and <code>componentDatatype</code> is an integer format,
* indicate that the components should be mapped to the range [0, 1] (unsigned)
* or [-1, 1] (signed) when they are accessed as floating-point for rendering.
*
* @memberof DistanceDisplayConditionGeometryInstanceAttribute.prototype
*
* @type {boolean}
* @readonly
*
* @default false
*/
normalize: {
get: function () {
return false;
},
},
},
);
/**
* Creates a new {@link DistanceDisplayConditionGeometryInstanceAttribute} instance given the provided an enabled flag and {@link DistanceDisplayCondition}.
*
* @param {DistanceDisplayCondition} distanceDisplayCondition The distance display condition.
* @returns {DistanceDisplayConditionGeometryInstanceAttribute} The new {@link DistanceDisplayConditionGeometryInstanceAttribute} instance.
*
* @exception {DeveloperError} distanceDisplayCondition.far must be greater than distanceDisplayCondition.near
*
* @example
* const distanceDisplayCondition = new Cesium.DistanceDisplayCondition(100.0, 10000.0);
* const instance = new Cesium.GeometryInstance({
* geometry : geometry,
* attributes : {
* distanceDisplayCondition : Cesium.DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition(distanceDisplayCondition)
* }
* });
*/
DistanceDisplayConditionGeometryInstanceAttribute.fromDistanceDisplayCondition =
function (distanceDisplayCondition) {
//>>includeStart('debug', pragmas.debug);
if (!defined(distanceDisplayCondition)) {
throw new DeveloperError("distanceDisplayCondition is required.");
}
if (distanceDisplayCondition.far <= distanceDisplayCondition.near) {
throw new DeveloperError(
"distanceDisplayCondition.far distance must be greater than distanceDisplayCondition.near distance.",
);
}
//>>includeEnd('debug');
return new DistanceDisplayConditionGeometryInstanceAttribute(
distanceDisplayCondition.near,
distanceDisplayCondition.far,
);
};
/**
* Converts a distance display condition to a typed array that can be used to assign a distance display condition attribute.
*
* @param {DistanceDisplayCondition} distanceDisplayCondition The distance display condition value.
* @param {Float32Array} [result] The array to store the result in, if undefined a new instance will be created.
* @returns {Float32Array} The modified result parameter or a new instance if result was undefined.
*
* @example
* const attributes = primitive.getGeometryInstanceAttributes('an id');
* attributes.distanceDisplayCondition = Cesium.DistanceDisplayConditionGeometryInstanceAttribute.toValue(distanceDisplayCondition, attributes.distanceDisplayCondition);
*/
DistanceDisplayConditionGeometryInstanceAttribute.toValue = function (
distanceDisplayCondition,
result,
) {
//>>includeStart('debug', pragmas.debug);
if (!defined(distanceDisplayCondition)) {
throw new DeveloperError("distanceDisplayCondition is required.");
}
//>>includeEnd('debug');
if (!defined(result)) {
return new Float32Array([
distanceDisplayCondition.near,
distanceDisplayCondition.far,
]);
}
result[0] = distanceDisplayCondition.near;
result[1] = distanceDisplayCondition.far;
return result;
};
export default DistanceDisplayConditionGeometryInstanceAttribute;
|