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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 | 1x 21x 21x 21x 21x 21x 21x 21x 21x 21x 21x 21x 1x 2x 37x 1x 1x 11x 1x 11x 10x 11x 11x 11x 11x 1x 10x | import Frozen from "../Core/Frozen.js";
import defined from "../Core/defined.js";
import Event from "../Core/Event.js";
import JulianDate from "../Core/JulianDate.js";
import TranslationRotationScale from "../Core/TranslationRotationScale.js";
import createPropertyDescriptor from "./createPropertyDescriptor.js";
import Property from "./Property.js";
const defaultNodeTransformation = new TranslationRotationScale();
/**
* A {@link Property} that produces {@link TranslationRotationScale} data.
* @alias NodeTransformationProperty
* @constructor
*
* @param {object} [options] Object with the following properties:
* @param {Property|Cartesian3} [options.translation=Cartesian3.ZERO] A {@link Cartesian3} Property specifying the (x, y, z) translation to apply to the node.
* @param {Property|Quaternion} [options.rotation=Quaternion.IDENTITY] A {@link Quaternion} Property specifying the (x, y, z, w) rotation to apply to the node.
* @param {Property|Cartesian3} [options.scale=new Cartesian3(1.0, 1.0, 1.0)] A {@link Cartesian3} Property specifying the (x, y, z) scaling to apply to the node.
*/
function NodeTransformationProperty(options) {
options = options ?? Frozen.EMPTY_OBJECT;
this._definitionChanged = new Event();
this._translation = undefined;
this._translationSubscription = undefined;
this._rotation = undefined;
this._rotationSubscription = undefined;
this._scale = undefined;
this._scaleSubscription = undefined;
this.translation = options.translation;
this.rotation = options.rotation;
this.scale = options.scale;
}
Object.defineProperties(NodeTransformationProperty.prototype, {
/**
* Gets a value indicating if this property is constant. A property is considered
* constant if getValue always returns the same result for the current definition.
* @memberof NodeTransformationProperty.prototype
*
* @type {boolean}
* @readonly
*/
isConstant: {
get: function () {
return (
Property.isConstant(this._translation) &&
Property.isConstant(this._rotation) &&
Property.isConstant(this._scale)
);
},
},
/**
* Gets the event that is raised whenever the definition of this property changes.
* The definition is considered to have changed if a call to getValue would return
* a different result for the same time.
* @memberof NodeTransformationProperty.prototype
*
* @type {Event}
* @readonly
*/
definitionChanged: {
get: function () {
return this._definitionChanged;
},
},
/**
* Gets or sets the {@link Cartesian3} Property specifying the (x, y, z) translation to apply to the node.
* @memberof NodeTransformationProperty.prototype
* @type {Property|undefined}
* @default Cartesian3.ZERO
*/
translation: createPropertyDescriptor("translation"),
/**
* Gets or sets the {@link Quaternion} Property specifying the (x, y, z, w) rotation to apply to the node.
* @memberof NodeTransformationProperty.prototype
* @type {Property|undefined}
* @default Quaternion.IDENTITY
*/
rotation: createPropertyDescriptor("rotation"),
/**
* Gets or sets the {@link Cartesian3} Property specifying the (x, y, z) scaling to apply to the node.
* @memberof NodeTransformationProperty.prototype
* @type {Property|undefined}
* @default new Cartesian3(1.0, 1.0, 1.0)
*/
scale: createPropertyDescriptor("scale"),
});
const timeScratch = new JulianDate();
/**
* Gets the value of the property at the provided time.
*
* @param {JulianDate} [time=JulianDate.now()] The time for which to retrieve the value. If omitted, the current system time is used.
* @param {TranslationRotationScale} [result] The object to store the value into, if omitted, a new instance is created and returned.
* @returns {TranslationRotationScale} The modified result parameter or a new instance if the result parameter was not supplied.
*/
NodeTransformationProperty.prototype.getValue = function (time, result) {
if (!defined(time)) {
time = JulianDate.now(timeScratch);
}
if (!defined(result)) {
result = new TranslationRotationScale();
}
result.translation = Property.getValueOrClonedDefault(
this._translation,
time,
defaultNodeTransformation.translation,
result.translation,
);
result.rotation = Property.getValueOrClonedDefault(
this._rotation,
time,
defaultNodeTransformation.rotation,
result.rotation,
);
result.scale = Property.getValueOrClonedDefault(
this._scale,
time,
defaultNodeTransformation.scale,
result.scale,
);
return result;
};
/**
* Compares this property to the provided property and returns
* <code>true</code> if they are equal, <code>false</code> otherwise.
*
* @param {Property} [other] The other property.
* @returns {boolean} <code>true</code> if left and right are equal, <code>false</code> otherwise.
*/
NodeTransformationProperty.prototype.equals = function (other) {
return (
this === other ||
(other instanceof NodeTransformationProperty &&
Property.equals(this._translation, other._translation) &&
Property.equals(this._rotation, other._rotation) &&
Property.equals(this._scale, other._scale))
);
};
export default NodeTransformationProperty;
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