Merge pull request #163 from BarthPaleologue/SpaceElevators

Space elevators

src/locales/en-US/objectTypes.json

@@ -7,6 +7,8 @@
     "telluricPlanet": "Telluric Planet",
     "telluricMoon": "Telluric Moon",
     "spaceStation": "Space Station",
+    "spaceElevator": "Space Elevator",
+    "spaceElevatorClimber": "Space Elevator Climber",
     "anomaly": "Anomaly",
     "landingPad": "Landing Pad"
 }

src/locales/fr-FR/objectTypes.json

@@ -1,12 +1,14 @@
 {
-    "starSystem": "Système Solaire",
-    "star": "Étoile de type {{stellarType}}",
-    "neutronStar": "Étoile à Neutrons",
-    "blackHole": "Trou Noir",
-    "gasPlanet": "Planète Gazeuse",
-    "telluricPlanet": "Planète Tellurique",
-    "telluricMoon": "Lune Tellurique",
-    "spaceStation": "Station Spatiale",
-    "anomaly": "Anomalie",
-    "landingPad": "Plateforme d'Atterrissage"
+  "starSystem": "Système Solaire",
+  "star": "Étoile de type {{stellarType}}",
+  "neutronStar": "Étoile à Neutrons",
+  "blackHole": "Trou Noir",
+  "gasPlanet": "Planète Gazeuse",
+  "telluricPlanet": "Planète Tellurique",
+  "telluricMoon": "Lune Tellurique",
+  "spaceStation": "Station Spatiale",
+  "spaceElevator": "Ascenseur Spatial",
+  "spaceElevatorClimber": "Nacelle de l'Ascenseur Spatial",
+  "anomaly": "Anomalie",
+  "landingPad": "Plateforme d'Atterrissage"
 }

src/ts/alphaTestis.ts

@@ -20,17 +20,18 @@ import "../styles/index.scss";
 import { Settings } from "./settings";
 import { positionNearObjectBrightSide } from "./utils/positionNearObject";
 import { CosmosJourneyer } from "./cosmosJourneyer";
-import { Vector3 } from "@babylonjs/core/Maths/math.vector";
 import { newSeededGasPlanetModel } from "./planets/gasPlanet/gasPlanetModel";
 import { SpaceShipControlsInputs } from "./spaceship/spaceShipControlsInputs";
 
 import { newSeededStarModel } from "./stellarObjects/star/starModel";
-import { newSeededSpaceStationModel } from "./spacestation/spacestationModel";
 import { StarSystemModel } from "./starSystem/starSystemModel";
 import { StarSystemCoordinates } from "./utils/coordinates/universeCoordinates";
 import { CustomSystemRegistry } from "./starSystem/customSystemRegistry";
 import { newSeededTelluricSatelliteModel } from "./planets/telluricPlanet/telluricSatelliteModel";
 import { newSeededTelluricPlanetModel } from "./planets/telluricPlanet/telluricPlanetModel";
+import { newSeededSpaceElevatorModel } from "./spacestation/spaceElevatorModel";
+import { getOrbitRadiusFromPeriod } from "./utils/physics";
+import { Quaternion } from "@babylonjs/core/Maths/math";
 
 const engine = await CosmosJourneyer.CreateAsync();
 
@@ -69,11 +70,13 @@ const hecateModel = newSeededTelluricPlanetModel(253, "Hécate", [sunModel]);
 hecateModel.physics.minTemperature = -40;
 hecateModel.physics.maxTemperature = 30;
 
+hecateModel.physics.siderealDayDuration = 6 * 60 * 60;
+
 hecateModel.orbit.period = 60 * 60 * 24 * 365.25;
 hecateModel.orbit.radius = 25000 * hecateModel.radius;
-hecateModel.orbit.normalToPlane = Vector3.Up();
+hecateModel.orbit.orientation = Quaternion.Identity();
 
-const spaceStationModel = newSeededSpaceStationModel(0, [sunModel], systemCoordinates, [hecateModel]);
+const spaceStationModel = newSeededSpaceElevatorModel(0, [sunModel], systemCoordinates, hecateModel);
 
 //physicsViewer.showBody(spaceStation.aggregate.body);
 /*for(const landingpad of spaceStation.landingPads) {
@@ -82,19 +85,18 @@ const spaceStationModel = newSeededSpaceStationModel(0, [sunModel], systemCoordi
 
 const moonModel = newSeededTelluricSatelliteModel(23, "Manaleth", [hecateModel]);
 moonModel.physics.mass = 2;
-moonModel.physics.rotationPeriod = 7 * 60 * 60;
+moonModel.physics.siderealDayDuration = 28 * 60 * 60;
 moonModel.physics.minTemperature = -180;
 moonModel.physics.maxTemperature = 200;
 moonModel.physics.waterAmount = 0.9;
 
-moonModel.orbit.period = moonModel.physics.rotationPeriod;
-moonModel.orbit.radius = 8 * hecateModel.radius;
-moonModel.orbit.normalToPlane = Vector3.Up();
+moonModel.orbit.period = moonModel.physics.siderealDayDuration;
+moonModel.orbit.radius = getOrbitRadiusFromPeriod(moonModel.orbit.period, hecateModel.physics.mass);
 
 const aresModel = newSeededTelluricPlanetModel(0.3725, "Ares", [sunModel]);
 if (aresModel.clouds !== null) aresModel.clouds.coverage = 1;
 aresModel.physics.mass = 7;
-aresModel.physics.rotationPeriod = (24 * 60 * 60) / 30;
+aresModel.physics.siderealDayDuration = (24 * 60 * 60) / 30;
 aresModel.physics.minTemperature = -30;
 aresModel.physics.maxTemperature = 20;
 aresModel.physics.pressure = 0.5;
@@ -103,7 +105,6 @@ aresModel.physics.oceanLevel = 0;
 
 aresModel.orbit.period = 60 * 60 * 24 * 365.24;
 aresModel.orbit.radius = 25020 * hecateModel.radius;
-aresModel.orbit.normalToPlane = Vector3.Up();
 
 //aresModel.terrainSettings.continents_fragmentation = 0.0;
 //aresModel.terrainSettings.continent_base_height = 10e3;
@@ -112,7 +113,7 @@ aresModel.orbit.normalToPlane = Vector3.Up();
 const andromaqueModel = newSeededGasPlanetModel(0.28711440474126226, "Andromaque", [sunModel]);
 andromaqueModel.orbit.period = 60 * 60 * 24 * 365.25;
 andromaqueModel.orbit.radius = 25300 * hecateModel.radius;
-andromaqueModel.orbit.normalToPlane = Vector3.Up();
+andromaqueModel.orbit.orientation = Quaternion.Identity();
 
 const starSystemModel: StarSystemModel = {
     name: systemName,
@@ -121,12 +122,12 @@ const starSystemModel: StarSystemModel = {
         {
             stellarObjects: [sunModel],
             planetarySystems: [
-                { planets: [hecateModel], satellites: [moonModel], spaceStations: [spaceStationModel] },
-                { planets: [aresModel], satellites: [], spaceStations: [] },
-                { planets: [andromaqueModel], satellites: [], spaceStations: [] }
+                { planets: [hecateModel], satellites: [moonModel], orbitalFacilities: [spaceStationModel] },
+                { planets: [aresModel], satellites: [], orbitalFacilities: [] },
+                { planets: [andromaqueModel], satellites: [], orbitalFacilities: [] }
             ],
             anomalies: [],
-            spaceStations: []
+            orbitalFacilities: []
         }
     ]
 };

src/ts/anomalies/julia/juliaSet.ts

@@ -18,13 +18,14 @@
 import { Camera } from "@babylonjs/core/Cameras/camera";
 import { JuliaSetModel } from "./juliaSetModel";
 import { PostProcessType } from "../../postProcesses/postProcessTypes";
-import { Axis } from "@babylonjs/core/Maths/math.axis";
 import { TransformNode } from "@babylonjs/core/Meshes";
 import { Scene } from "@babylonjs/core/scene";
 import { Vector3 } from "@babylonjs/core/Maths/math.vector";
 import { Cullable } from "../../utils/cullable";
 import { CelestialBody } from "../../architecture/celestialBody";
 import { orbitalObjectTypeToDisplay } from "../../utils/strings/orbitalObjectTypeToDisplay";
+import { defaultTargetInfoCelestialBody, TargetInfo } from "../../architecture/targetable";
+import { setRotationQuaternion } from "../../uberCore/transforms/basicTransform";
 
 export class JuliaSet implements CelestialBody, Cullable {
     readonly model: JuliaSetModel;
@@ -36,6 +37,8 @@ export class JuliaSet implements CelestialBody, Cullable {
     readonly ringsUniforms = null;
     readonly asteroidField = null;
 
+    readonly targetInfo: TargetInfo;
+
     /**
      * New Gas Planet
      * @param model The model to create the planet from or a seed for the planet in [-1, 1]
@@ -48,7 +51,9 @@ export class JuliaSet implements CelestialBody, Cullable {
 
         this.postProcesses.push(PostProcessType.JULIA_SET);
 
-        this.getTransform().rotate(Axis.X, this.model.physics.axialTilt);
+        setRotationQuaternion(this.getTransform(), this.model.physics.axialTilt);
+
+        this.targetInfo = defaultTargetInfoCelestialBody(this.getBoundingRadius());
     }
 
     getTransform(): TransformNode {

src/ts/anomalies/julia/juliaSetModel.ts

@@ -18,15 +18,15 @@
 import { normalRandom } from "extended-random";
 import { clamp } from "../../utils/math";
 import { getOrbitalPeriod, getPeriapsis, Orbit } from "../../orbit/orbit";
-import { Vector3 } from "@babylonjs/core/Maths/math.vector";
 import { OrbitalObjectPhysicsInfo } from "../../architecture/physicsInfo";
 import { CelestialBodyModel } from "../../architecture/celestialBody";
 import { GenerationSteps } from "../../utils/generationSteps";
 import { Color3 } from "@babylonjs/core/Maths/math.color";
 import { AnomalyModel } from "../anomaly";
-
 import { getRngFromSeed } from "../../utils/getRngFromSeed";
 import { OrbitalObjectType } from "../../architecture/orbitalObject";
+import { Quaternion } from "@babylonjs/core/Maths/math";
+import { Axis } from "@babylonjs/core/Maths/math.axis";
 
 export type JuliaSetModel = AnomalyModel & {
     readonly type: OrbitalObjectType.JULIA_SET;
@@ -51,13 +51,13 @@ export function newSeededJuliaSetModel(seed: number, name: string, parentBodies:
         radius: orbitRadius,
         p: orbitalP,
         period: getOrbitalPeriod(orbitRadius, parentMassSum),
-        normalToPlane: Vector3.Up()
+        orientation: Quaternion.Identity()
     };
 
     const physicalProperties: OrbitalObjectPhysicsInfo = {
         mass: 10,
-        rotationPeriod: 0,
-        axialTilt: normalRandom(0, 0.4, rng, GenerationSteps.AXIAL_TILT)
+        siderealDayDuration: 0,
+        axialTilt: Quaternion.RotationAxis(Axis.X, normalRandom(0, 0.4, rng, GenerationSteps.AXIAL_TILT))
     };
 
     return {

src/ts/anomalies/mandelbulb/mandelbulb.ts

@@ -18,14 +18,16 @@
 import { Camera } from "@babylonjs/core/Cameras/camera";
 import { MandelbulbModel } from "./mandelbulbModel";
 import { PostProcessType } from "../../postProcesses/postProcessTypes";
-import { Axis } from "@babylonjs/core/Maths/math.axis";
 import { TransformNode } from "@babylonjs/core/Meshes";
 import { Scene } from "@babylonjs/core/scene";
 import { Vector3 } from "@babylonjs/core/Maths/math.vector";
 import { Cullable } from "../../utils/cullable";
 import { CelestialBody } from "../../architecture/celestialBody";
 import { orbitalObjectTypeToDisplay } from "../../utils/strings/orbitalObjectTypeToDisplay";
 
+import { defaultTargetInfoCelestialBody, TargetInfo } from "../../architecture/targetable";
+import { setRotationQuaternion } from "../../uberCore/transforms/basicTransform";
+
 export class Mandelbulb implements CelestialBody, Cullable {
     readonly model: MandelbulbModel;
 
@@ -36,6 +38,8 @@ export class Mandelbulb implements CelestialBody, Cullable {
     readonly asteroidField = null;
     readonly ringsUniforms = null;
 
+    readonly targetInfo: TargetInfo;
+
     /**
      * New Gas Planet
      * @param model The model to create the planet from or a seed for the planet in [-1, 1]
@@ -48,7 +52,9 @@ export class Mandelbulb implements CelestialBody, Cullable {
 
         this.postProcesses.push(PostProcessType.MANDELBULB);
 
-        this.getTransform().rotate(Axis.X, this.model.physics.axialTilt);
+        setRotationQuaternion(this.getTransform(), this.model.physics.axialTilt);
+
+        this.targetInfo = defaultTargetInfoCelestialBody(this.getBoundingRadius());
     }
 
     getTransform(): TransformNode {

src/ts/anomalies/mandelbulb/mandelbulbModel.ts

@@ -19,14 +19,15 @@ import { Color3 } from "@babylonjs/core/Maths/math.color";
 import { normalRandom, randRange } from "extended-random";
 import { clamp } from "../../utils/math";
 import { getOrbitalPeriod, getPeriapsis, Orbit } from "../../orbit/orbit";
-import { Vector3 } from "@babylonjs/core/Maths/math.vector";
 import { CelestialBodyModel } from "../../architecture/celestialBody";
 import { GenerationSteps } from "../../utils/generationSteps";
 import { OrbitalObjectPhysicsInfo } from "../../architecture/physicsInfo";
 import { AnomalyModel } from "../anomaly";
 
 import { getRngFromSeed } from "../../utils/getRngFromSeed";
 import { OrbitalObjectType } from "../../architecture/orbitalObject";
+import { Quaternion } from "@babylonjs/core/Maths/math";
+import { Axis } from "@babylonjs/core/Maths/math.axis";
 
 export type MandelbulbModel = AnomalyModel & {
     readonly type: OrbitalObjectType.MANDELBULB;
@@ -53,13 +54,13 @@ export function newSeededMandelbulbModel(seed: number, name: string, parentBodie
         radius: orbitRadius,
         p: orbitalP,
         period: getOrbitalPeriod(orbitRadius, parentMassSum),
-        normalToPlane: Vector3.Up()
+        orientation: Quaternion.Identity()
     };
 
     const physicalProperties: OrbitalObjectPhysicsInfo = {
         mass: 10,
-        rotationPeriod: 0,
-        axialTilt: normalRandom(0, 0.4, rng, GenerationSteps.AXIAL_TILT)
+        siderealDayDuration: 0,
+        axialTilt: Quaternion.RotationAxis(Axis.X, normalRandom(0, 0.4, rng, GenerationSteps.AXIAL_TILT))
     };
 
     return {

src/ts/architecture/celestialBody.ts

@@ -18,11 +18,12 @@
 import { OrbitalObject, OrbitalObjectModel } from "./orbitalObject";
 import { HasPostProcesses } from "./hasPostProcesses";
 import { CanHaveRings, CanHaveRingsModel } from "./canHaveRings";
+import { Targetable } from "./targetable";
 
 /**
  * Describes all celestial bodies (a combination of OrbitalObject, CanHaveRings and HasPostProcesses)
  */
-export interface CelestialBody extends OrbitalObject, CanHaveRings, HasPostProcesses {
+export interface CelestialBody extends OrbitalObject, CanHaveRings, HasPostProcesses, Targetable {
     /**
      * The underlying model describing the data of the celestial body
      */

src/ts/architecture/orbitalObject.ts

@@ -82,8 +82,8 @@ export class OrbitalObjectUtils {
      * @constructor
      */
     static GetRotationAngle(object: OrbitalObject, deltaTime: number): number {
-        if (object.model.physics.rotationPeriod === 0) return 0;
-        return (2 * Math.PI * deltaTime) / object.model.physics.rotationPeriod;
+        if (object.model.physics.siderealDayDuration === 0) return 0;
+        return (2 * Math.PI * deltaTime) / object.model.physics.siderealDayDuration;
     }
 
     /**
@@ -142,7 +142,8 @@ export const enum OrbitalObjectType {
     GAS_PLANET = 1002,
     MANDELBULB = 2000,
     JULIA_SET = 2001,
-    SPACE_STATION = 3000
+    SPACE_STATION = 3000,
+    SPACE_ELEVATOR = 3001
 }
 
 export const SatelliteTypes = [OrbitalObjectType.TELLURIC_SATELLITE, OrbitalObjectType.SPACE_STATION];

src/ts/architecture/physicsInfo.ts

@@ -15,13 +15,17 @@
 //  You should have received a copy of the GNU Affero General Public License
 //  along with this program.  If not, see <https://www.gnu.org/licenses/>.
 
+import { Quaternion } from "@babylonjs/core/Maths/math";
+
 export type OrbitalObjectPhysicsInfo = {
     mass: number;
     /**
-     * Time needed for the object to rotate on its axis in seconds
+     * Time needed for the object to rotate 360° on its axis in seconds.
+     * It is slightly different from the duration of solar day which is the time it takes for the sun to be at the same position in the sky.
+     * @see https://en.wikipedia.org/wiki/Sidereal_time
      */
-    rotationPeriod: number;
-    axialTilt: number;
+    siderealDayDuration: number;
+    axialTilt: Quaternion;
 };
 
 export type StellarObjectPhysicsInfo = OrbitalObjectPhysicsInfo & {

src/ts/architecture/planetaryMassObject.ts

@@ -27,4 +27,4 @@ export interface PlanetaryMassObject extends CelestialBody {
 
 export type PlanetaryMassObjectModel = CelestialBodyModel & {
     readonly physics: PlanetaryMassObjectPhysicsInfo;
-};
+};

src/ts/architecture/stellarObject.ts

@@ -18,6 +18,7 @@
 import { PointLight } from "@babylonjs/core/Lights/pointLight";
 import { CelestialBody, CelestialBodyModel } from "./celestialBody";
 import { StellarObjectPhysicsInfo } from "./physicsInfo";
+import { OrbitalObjectType } from "./orbitalObject";
 
 export interface StellarObject extends CelestialBody {
     model: StellarObjectModel;
@@ -27,4 +28,6 @@ export interface StellarObject extends CelestialBody {
 
 export type StellarObjectModel = CelestialBodyModel & {
     physics: StellarObjectPhysicsInfo;
+
+    type: OrbitalObjectType.STAR | OrbitalObjectType.NEUTRON_STAR | OrbitalObjectType.BLACK_HOLE;
 };

src/ts/architecture/targetable.ts

@@ -0,0 +1,29 @@
+import { Transformable } from "./transformable";
+import { HasBoundingSphere } from "./hasBoundingSphere";
+import { TypedObject } from "./typedObject";
+
+export const enum ObjectTargetCursorType {
+    CELESTIAL_BODY,
+    FACILITY,
+    ANOMALY,
+    LANDING_PAD,
+    STAR_SYSTEM
+}
+
+export type TargetInfo = {
+    type: ObjectTargetCursorType;
+    minDistance: number;
+    maxDistance: number;
+};
+
+export interface Targetable extends Transformable, HasBoundingSphere, TypedObject {
+    readonly targetInfo: TargetInfo;
+}
+
+export function defaultTargetInfoCelestialBody(boundingRadius: number): TargetInfo {
+    return {
+        type: ObjectTargetCursorType.CELESTIAL_BODY,
+        minDistance: boundingRadius * 10.0,
+        maxDistance: 0.0
+    };
+}