src/viewer/scene/Entity.js
/**
* @desc An abstract 3D scene element that can be individually shown, hidden, selected,
* highlighted, xrayed, culled, picked, clipped and bounded.
*
* Entity provides an abstract interface through which different concrete types
* of scene element can be accessed and manipulated uniformly.
*
* ## Entities Representing Models
*
* * An Entity represents a model when {@link Entity#isModel} is ````true````.
* * Each model-Entity is registered by {@link Entity#id} in {@link Scene#models}.
* * Each model-Entity can also have a {@link MetaModel} with a matching {@link MetaModel#id}, by which it is registered in {@link MetaScene#metaModels}.
*
* ## Entities Representing Objects
*
* * An Entity represents an object when {@link Entity#isObject} is ````true````.
* * Each object-Entity is registered by {@link Entity#id} in {@link Scene#objects}.
* * Each object-Entity can also have a {@link MetaObject} with a matching {@link MetaObject#id}, by which it is registered {@link MetaScene#metaObjects}.
*
* ## Updating Batches of Objects
*
* {@link Scene} provides the following methods for updating batches of object-Entities using their {@link Entity#id}s:
*
* * {@link Scene#setObjectsVisible}
* * {@link Scene#setObjectsCulled}
* * {@link Scene#setObjectsSelected}
* * {@link Scene#setObjectsHighlighted}
* * {@link Scene#setObjectsXRayed}
* * {@link Scene#setObjectsEdges}
* * {@link Scene#setObjectsColorized}
* * {@link Scene#setObjectsOpacity}
*
* @interface
* @abstract
*/
class Entity {
/**
* Component ID, unique within the {@link Scene}.
*
* @type {Number|String}
* @abstract
*/
get id() {
}
/**
* ID of the corresponding object within the originating system, if any.
*
* By default, this has the same value as {@link Entity#id}. When we load a model using {@link XKTLoaderPlugin#load},
* with {@link XKTLoaderPlugin#globalizeObjectIds} set ````true````, then that plugin will prefix {@link Entity#id}
* with the model ID, while leaving this property holding the original value of {@link Entity#id}. When loading an
* IFC model, this property will hold the IFC product ID of the corresponding IFC element.
*
* @type {String}
* @abstract
*/
get originalSystemId() {
}
/**
* Returns true to indicate that this is an Entity.
*
* @returns {Boolean}
*/
get isEntity() {
return true;
}
/**
* Returns ````true```` if this Entity represents a model.
*
* When this is ````true````, the Entity will be registered by {@link Entity#id} in {@link Scene#models} and
* may also have a corresponding {@link MetaModel}.
*
* @type {Boolean}
* @abstract
*/
get isModel() {
}
/**
* Returns ````true```` if this Entity represents an object.
*
* When this is ````true````, the Entity will be registered by {@link Entity#id} in {@link Scene#objects} and
* may also have a corresponding {@link MetaObject}.
*
* @type {Boolean}
* @abstract
*/
get isObject() {
}
/** Returns the parent Entity, if any. */
get parent() {
}
/**
* Sets the 3D World-space origin for this Entity.
*
* @type {Float64Array}
* @abstract
*/
set origin(origin) {
}
/**
* Gets the 3D World-space origin for this Entity.
*
* @type {Float64Array}
* @abstract
*/
get origin() {
}
/**
* World-space 3D axis-aligned bounding box (AABB) of this Entity.
*
* Represented by a six-element Float64Array containing the min/max extents of the
* axis-aligned volume, ie. ````[xmin, ymin,zmin,xmax,ymax, zmax]````.
*
* @type {Float64Array}
* @abstract
*/
get aabb() {
}
/**
* The approximate number of triangles in this Entity.
*
* @type {Number}
* @abstract
*/
get numTriangles() {
}
/**
* Sets if this Entity is visible.
*
* Only rendered when {@link Entity#visible} is ````true```` and {@link Entity#culled} is ````false````.
*
* When {@link Entity#isObject} and {@link Entity#visible} are both ````true```` the Entity will be
* registered by {@link Entity#id} in {@link Scene#visibleObjects}.
*
* @type {Boolean}
* @abstract
*/
set visible(visible) {
}
/**
* Gets if this Entity is visible.
*
* Only rendered when {@link Entity#visible} is ````true```` and {@link Entity#culled} is ````false````.
*
* When {@link Entity#isObject} and {@link Entity#visible} are both ````true```` the Entity will be
* registered by {@link Entity#id} in {@link Scene#visibleObjects}.
*
* @type {Boolean}
* @abstract
*/
get visible() {
}
/**
* Sets if this Entity is xrayed.
*
* When {@link Entity#isObject} and {@link Entity#xrayed} are both ````true``` the Entity will be
* registered by {@link Entity#id} in {@link Scene#xrayedObjects}.
*
* @type {Boolean}
* @abstract
*/
set xrayed(xrayed) {
}
/**
* Gets if this Entity is xrayed.
*
* When {@link Entity#isObject} and {@link Entity#xrayed} are both ````true``` the Entity will be
* registered by {@link Entity#id} in {@link Scene#xrayedObjects}.
*
* @type {Boolean}
* @abstract
*/
get xrayed() {
}
/**
* Sets if this Entity is highlighted.
*
* When {@link Entity#isObject} and {@link Entity#highlighted} are both ````true```` the Entity will be
* registered by {@link Entity#id} in {@link Scene#highlightedObjects}.
*
* @type {Boolean}
* @abstract
*/
set highlighted(highlighted) {
}
/**
* Gets if this Entity is highlighted.
*
* When {@link Entity#isObject} and {@link Entity#highlighted} are both ````true```` the Entity will be
* registered by {@link Entity#id} in {@link Scene#highlightedObjects}.
*
* @type {Boolean}
* @abstract
*/
get highlighted() {
}
/**
* Sets if this Entity is selected.
*
* When {@link Entity#isObject} and {@link Entity#selected} are both ````true``` the Entity will be
* registered by {@link Entity#id} in {@link Scene#selectedObjects}.
*
* @type {Boolean}
* @abstract
*/
set selected(selected) {
}
/**
* Gets if this Entity is selected.
*
* When {@link Entity#isObject} and {@link Entity#selected} are both ````true``` the Entity will be
* registered by {@link Entity#id} in {@link Scene#selectedObjects}.
*
* @type {Boolean}
* @abstract
*/
get selected() {
}
/**
* Sets if this Entity's edges are enhanced.
*
* @type {Boolean}
* @abstract
*/
set edges(edges) {
}
/**
* Gets if this Entity's edges are enhanced.
*
* @type {Boolean}
* @abstract
*/
get edges() {
}
/**
* Sets if this Entity is culled.
*
* Only rendered when {@link Entity#visible} is ````true```` and {@link Entity#culled} is ````false````.
*
* @type {Boolean}
* @abstract
*/
set culled(culled) {
}
/**
* Gets if this Entity is culled.
*
* Only rendered when {@link Entity#visible} is ````true```` and {@link Entity#culled} is ````false````.
*
* @type {Boolean}
* @abstract
*/
get culled() {
}
/**
* Sets if this Entity is clippable.
*
* Clipping is done by the {@link SectionPlane}s in {@link Scene#sectionPlanes}.
*
* @type {Boolean}
* @abstract
*/
set clippable(clippable) {
}
/**
* Gets if this Entity is clippable.
*
* Clipping is done by the {@link SectionPlane}s in {@link Scene#sectionPlanes}.
*
* @type {Boolean}
* @abstract
*/
get clippable() {
}
/**
* Sets if this Entity is included in boundary calculations.
*
* @type {Boolean}
* @abstract
*/
set collidable(collidable) {
}
/**
* Gets if this Entity is included in boundary calculations.
*
* @type {Boolean}
* @abstract
*/
get collidable() {
}
/**
* Sets if this Entity is pickable.
*
* Picking is done via calls to {@link Scene#pick}.
*
* @type {Boolean}
* @abstract
*/
set pickable(pickable) {
}
/**
* Gets if this Entity is pickable.
*
* Picking is done via calls to {@link Scene#pick}.
*
* @type {Boolean}
* @abstract
*/
get pickable() {
}
/**
* Sets the Entity's RGB colorize color, multiplies by the Entity's rendered fragment colors.
*
* Each element of the color is in range ````[0..1]````.
*
* @type {Number[]}
* @abstract
*/
set colorize(rgb) {
}
/**
* Gets the Entity's RGB colorize color, multiplies by the Entity's rendered fragment colors.
*
* Each element of the color is in range ````[0..1]````.
*
* @type {Number[]}
* @abstract
*/
get colorize() {
}
/**
* Sets the Entity's opacity factor, multiplies by the Entity's rendered fragment alphas.
*
* This is a factor in range ````[0..1]````.
*
* @type {Number}
* @abstract
*/
set opacity(opacity) {
}
/**
* Gets the Entity's opacity factor.
*
* This is a factor in range ````[0..1]```` which multiplies by the rendered fragment alphas.
*
* @type {Number}
* @abstract
*/
get opacity() {
}
/**
* Sets if this Entity casts shadows.
*
* @type {Boolean}
* @abstract
*/
set castsShadow(pickable) {
}
/**
* Gets if this Entity casts shadows.
*
* @type {Boolean}
* @abstract
*/
get castsShadow() {
}
/**
* Sets if to this Entity can have shadows cast upon it
*
* @type {Boolean}
* @abstract
*/
set receivesShadow(pickable) {
}
/**
* Gets if this Entity can have shadows cast upon it
*
* @type {Boolean}
* @abstract
*/
get receivesShadow() {
}
/**
* Gets if this Entity can have Scalable Ambient Obscurance (SAO) applied to it.
*
* SAO is configured by {@link SAO}.
*
* @type {Boolean}
* @abstract
*/
get saoEnabled() {
}
/**
* Sets the Entity's 3D World-space offset.
*
* Since offsetting Entities comes with memory and rendering overhead on some systems, this feature
* only works when {@link Viewer} is configured with ````entityOffsetsEnabled: true````.
*
* The offset dynamically translates the Entity in World-space, which is useful for creating
* effects like exploding parts assemblies etc.
*
* Default value is ````[0,0,0]````.
*
* Provide a null or undefined value to reset to the default value.
*
* @abstract
* @type {Number[]}
*/
set offset(offset) {
}
/**
* Gets the Entity's 3D World-space offset.
*
* Default value is ````[0,0,0]````.
*
* @abstract
* @type {Number[]}
*/
get offset() {
}
/**
* Gets the World, View and Canvas-space positions of each vertex in a callback.
*
* @param callback
*/
getEachVertex(callback) {
}
/**
* Destroys this Entity.
*/
destroy() {
}
}
export {Entity};
