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import { SplatData } from "./SplatData";
import { Object3D } from "../core/Object3D";
import { Vector3 } from "../math/Vector3";
import { Quaternion } from "../math/Quaternion";
import { Converter } from "../utils/Converter";
import { Matrix4 } from "../math/Matrix4";
import { Box3 } from "../math/Box3";
class Splat extends Object3D {
public selectedChanged: boolean = false;
public colorTransformChanged: boolean = false;
private _data: SplatData;
private _selected: boolean = false;
private _colorTransforms: Array<Matrix4> = [];
private _colorTransformsMap: Map<number, number> = new Map();
private _bounds: Box3;
recalculateBounds: () => void;
constructor(splat: SplatData | undefined = undefined) {
super();
this._data = splat || new SplatData();
this._bounds = new Box3(
new Vector3(Infinity, Infinity, Infinity),
new Vector3(-Infinity, -Infinity, -Infinity),
);
this.recalculateBounds = () => {
this._bounds = new Box3(
new Vector3(Infinity, Infinity, Infinity),
new Vector3(-Infinity, -Infinity, -Infinity),
);
for (let i = 0; i < this._data.vertexCount; i++) {
this._bounds.expand(
new Vector3(
this._data.positions[3 * i],
this._data.positions[3 * i + 1],
this._data.positions[3 * i + 2],
),
);
}
};
this.applyPosition = () => {
this.data.translate(this.position);
this.position = new Vector3();
};
this.applyRotation = () => {
this.data.rotate(this.rotation);
this.rotation = new Quaternion();
};
this.applyScale = () => {
this.data.scale(this.scale);
this.scale = new Vector3(1, 1, 1);
};
this.recalculateBounds();
}
saveToFile(name: string | null = null, format: "splat" | "ply" = "splat") {
if (!document) return;
if (!name) {
const now = new Date();
name = `splat-${now.getFullYear()}-${now.getMonth() + 1}-${now.getDate()}.${format}`;
}
const splatClone = this.clone();
splatClone.applyRotation();
splatClone.applyScale();
splatClone.applyPosition();
const data = splatClone.data.serialize();
let blob;
if (format === "ply") {
const plyData = Converter.SplatToPLY(data.buffer, splatClone.data.vertexCount);
blob = new Blob([plyData], { type: "application/octet-stream" });
} else {
blob = new Blob([data.buffer], { type: "application/octet-stream" });
}
const link = document.createElement("a");
link.download = name;
link.href = URL.createObjectURL(blob);
link.click();
}
get data() {
return this._data;
}
get selected() {
return this._selected;
}
set selected(selected: boolean) {
if (this._selected !== selected) {
this._selected = selected;
this.selectedChanged = true;
this.dispatchEvent(this._changeEvent);
}
}
get colorTransforms() {
return this._colorTransforms;
}
get colorTransformsMap() {
return this._colorTransformsMap;
}
get bounds() {
let center = this._bounds.center();
center = center.add(this.position);
let size = this._bounds.size();
size = size.multiply(this.scale);
return new Box3(center.subtract(size.divide(2)), center.add(size.divide(2)));
}
clone() {
const splat = new Splat(this.data.clone());
splat.position = this.position.clone();
splat.rotation = this.rotation.clone();
splat.scale = this.scale.clone();
return splat;
}
}
export { Splat };
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