Files
space-game/apps/viewer/src/viewerSceneFactory.ts

421 lines
13 KiB
TypeScript

import * as THREE from "three";
import {
MOON_RENDER_SCALE,
PLANET_RENDER_SCALE,
STAR_RENDER_SCALE,
} from "./viewerConstants";
import type {
ClaimSnapshot,
ConstructionSiteSnapshot,
LocalBubbleSnapshot,
PlanetSnapshot,
ResourceNodeSnapshot,
ShipSnapshot,
SpatialNodeSnapshot,
StationSnapshot,
SystemSnapshot,
} from "./contracts";
import type { MoonVisual, SystemSummaryVisual } from "./viewerTypes";
import {
celestialRenderRadius,
computeMoonOrbitRadius,
computeMoonRenderRadius,
computePlanetLocalPosition,
starHaloOpacity,
toThreeVector,
} from "./viewerMath";
export function createNodeMesh(node: ResourceNodeSnapshot): THREE.Mesh {
const isGas = node.sourceKind === "gas-cloud" || node.itemId === "gas";
const mesh = new THREE.Mesh(
isGas ? new THREE.SphereGeometry(18, 14, 14) : new THREE.IcosahedronGeometry(12, 0),
new THREE.MeshStandardMaterial({
color: isGas ? 0x7fd6ff : 0xd2b07a,
flatShading: !isGas,
transparent: isGas,
opacity: isGas ? 0.68 : 1,
emissive: new THREE.Color(isGas ? 0x7fd6ff : 0xd2b07a).multiplyScalar(isGas ? 0.22 : 0.05),
}),
);
mesh.position.copy(toThreeVector(node.localPosition));
mesh.scale.setScalar(0.8 + (node.oreRemaining / Math.max(node.maxOre, 1)) * 0.6);
return mesh;
}
export function createSpatialNodeMesh(node: SpatialNodeSnapshot, spatialNodeColor: (kind: string) => string): THREE.Mesh {
const color = spatialNodeColor(node.kind);
return new THREE.Mesh(
new THREE.OctahedronGeometry(10, 0),
new THREE.MeshStandardMaterial({
color,
emissive: new THREE.Color(color).multiplyScalar(0.16),
roughness: 0.35,
metalness: 0.45,
}),
);
}
export function createBubbleRing(
bubble: LocalBubbleSnapshot,
localPosition: THREE.Vector3,
createCirclePoints: (radius: number, segments: number) => THREE.Vector3[],
): THREE.LineLoop {
const ring = new THREE.LineLoop(
new THREE.BufferGeometry().setFromPoints(createCirclePoints(Math.max(bubble.radius, 60), 64)),
new THREE.LineBasicMaterial({
color: 0x6ed6ff,
transparent: true,
opacity: 0.32,
}),
);
ring.position.copy(localPosition);
return ring;
}
export function createClaimMesh(claim: ClaimSnapshot): THREE.Mesh {
return new THREE.Mesh(
new THREE.ConeGeometry(9, 20, 4),
new THREE.MeshStandardMaterial({
color: claim.state === "active" ? 0xff7f50 : 0xff5b5b,
emissive: new THREE.Color(claim.state === "active" ? 0xff7f50 : 0xff5b5b).multiplyScalar(0.16),
roughness: 0.4,
metalness: 0.28,
}),
);
}
export function createConstructionSiteMesh(site: ConstructionSiteSnapshot): THREE.Mesh {
return new THREE.Mesh(
new THREE.TorusKnotGeometry(7, 2.2, 54, 8),
new THREE.MeshStandardMaterial({
color: site.state === "completed" ? 0x46d37f : 0x9df29c,
emissive: new THREE.Color(site.state === "completed" ? 0x46d37f : 0x9df29c).multiplyScalar(0.15),
roughness: 0.34,
metalness: 0.48,
}),
);
}
export function createStarCluster(system: SystemSnapshot): THREE.Group {
const root = new THREE.Group();
const renderedStarSize = celestialRenderRadius(system.starSize, STAR_RENDER_SCALE, 8, 1.02);
const offsets = system.starCount > 1
? [new THREE.Vector3(-renderedStarSize * 0.55, 0, 0), new THREE.Vector3(renderedStarSize * 0.75, renderedStarSize * 0.08, 0)]
: [new THREE.Vector3(0, 0, 0)];
for (const [index, offset] of offsets.entries()) {
const sizeScale = index === 0 ? 1 : 0.72;
const star = new THREE.Mesh(
new THREE.SphereGeometry(renderedStarSize * sizeScale, 24, 24),
new THREE.MeshBasicMaterial({ color: system.starColor }),
);
const halo = new THREE.Mesh(
new THREE.SphereGeometry(renderedStarSize * sizeScale * 1.45, 20, 20),
new THREE.MeshBasicMaterial({
color: system.starColor,
transparent: true,
opacity: starHaloOpacity(system.starKind),
side: THREE.BackSide,
}),
);
star.position.copy(offset);
halo.position.copy(offset);
root.add(star, halo);
}
return root;
}
export function createPlanetOrbit(planet: PlanetSnapshot): THREE.LineLoop {
const points = Array.from({ length: 120 }, (_, index) => {
const phaseDegrees = (index / 120) * 360;
return computePlanetLocalPosition(planet, 0, phaseDegrees);
});
return new THREE.LineLoop(
new THREE.BufferGeometry().setFromPoints(points),
new THREE.LineBasicMaterial({ color: 0x17314d, transparent: true, opacity: 0.22 }),
);
}
export function createPlanetRing(planet: PlanetSnapshot): THREE.Mesh {
const renderedPlanetRadius = celestialRenderRadius(planet.size, PLANET_RENDER_SCALE, 7, 1.06);
const ring = new THREE.Mesh(
new THREE.RingGeometry(renderedPlanetRadius * 1.35, renderedPlanetRadius * 2.15, 48),
new THREE.MeshBasicMaterial({
color: 0xdac89a,
transparent: true,
opacity: 0.42,
side: THREE.DoubleSide,
}),
);
ring.rotation.x = Math.PI / 2;
ring.rotation.z = THREE.MathUtils.degToRad(planet.orbitInclination * 0.25);
return ring;
}
export function createMoonVisuals(planet: PlanetSnapshot, seed: number): MoonVisual[] {
const moonCount = Math.min(planet.moonCount, 12);
const moons: MoonVisual[] = [];
for (let moonIndex = 0; moonIndex < moonCount; moonIndex += 1) {
const orbitRadius = computeMoonOrbitRadius(planet, moonIndex, seed);
const orbit = new THREE.LineLoop(
new THREE.BufferGeometry().setFromPoints(
Array.from({ length: 48 }, (_, index) => {
const angle = (index / 48) * Math.PI * 2;
return new THREE.Vector3(
Math.cos(angle) * orbitRadius,
0,
Math.sin(angle) * orbitRadius,
);
}),
),
new THREE.LineBasicMaterial({ color: 0x3b5065, transparent: true, opacity: 0.1 }),
);
orbit.rotation.x = THREE.MathUtils.degToRad(planet.orbitInclination * 0.35);
const moonSize = computeMoonRenderRadius(planet, moonIndex, seed);
const mesh = new THREE.Mesh(
new THREE.SphereGeometry(moonSize, 12, 12),
new THREE.MeshStandardMaterial({
color: new THREE.Color(planet.color).lerp(new THREE.Color("#d9dee7"), 0.55),
roughness: 0.96,
metalness: 0.02,
}),
);
moons.push({ mesh, orbit });
}
return moons;
}
export function createStationMesh(station: StationSnapshot): THREE.Mesh {
const mesh = new THREE.Mesh(
new THREE.CylinderGeometry(24, 24, 18, 10),
new THREE.MeshStandardMaterial({ color: station.color, emissive: new THREE.Color(station.color).multiplyScalar(0.1) }),
);
mesh.rotation.x = Math.PI / 2;
mesh.position.copy(toThreeVector(station.localPosition));
return mesh;
}
export function createShipMesh(ship: ShipSnapshot, size: number, length: number, color: string): THREE.Mesh {
const geometry = new THREE.ConeGeometry(size, length, 7);
geometry.rotateX(Math.PI / 2);
const mesh = new THREE.Mesh(
geometry,
new THREE.MeshStandardMaterial({
color,
emissive: new THREE.Color(color).multiplyScalar(0.18),
}),
);
mesh.position.copy(toThreeVector(ship.localPosition));
return mesh;
}
export function createBackdropStars(): THREE.Points {
const starCount = 1800;
const radius = 36000;
const positions = new Float32Array(starCount * 3);
const colors = new Float32Array(starCount * 3);
const color = new THREE.Color();
for (let index = 0; index < starCount; index += 1) {
const direction = new THREE.Vector3(
THREE.MathUtils.randFloatSpread(2),
THREE.MathUtils.randFloatSpread(2),
THREE.MathUtils.randFloatSpread(2),
).normalize().multiplyScalar(radius * THREE.MathUtils.randFloat(0.82, 1));
positions[index * 3] = direction.x;
positions[index * 3 + 1] = direction.y;
positions[index * 3 + 2] = direction.z;
const tint = THREE.MathUtils.randFloat(0, 1);
color.setRGB(
THREE.MathUtils.lerp(0.68, 1, tint),
THREE.MathUtils.lerp(0.76, 0.94, tint),
THREE.MathUtils.lerp(0.9, 1, tint),
);
if (Math.random() < 0.08) {
color.lerp(new THREE.Color(0xffd6a0), 0.45);
}
colors[index * 3] = color.r;
colors[index * 3 + 1] = color.g;
colors[index * 3 + 2] = color.b;
}
const geometry = new THREE.BufferGeometry();
geometry.setAttribute("position", new THREE.BufferAttribute(positions, 3));
geometry.setAttribute("color", new THREE.BufferAttribute(colors, 3));
return new THREE.Points(
geometry,
new THREE.PointsMaterial({
size: 2.2,
sizeAttenuation: false,
vertexColors: true,
transparent: true,
opacity: 0.9,
depthWrite: false,
blending: THREE.AdditiveBlending,
}),
);
}
export function createNebulaTexture(documentRef: Document): THREE.CanvasTexture {
const canvas = documentRef.createElement("canvas");
canvas.width = 256;
canvas.height = 256;
const context = canvas.getContext("2d");
if (!context) {
throw new Error("Unable to create nebula texture");
}
const gradient = context.createRadialGradient(128, 128, 18, 128, 128, 118);
gradient.addColorStop(0, "rgba(255,255,255,0.95)");
gradient.addColorStop(0.2, "rgba(255,255,255,0.48)");
gradient.addColorStop(0.55, "rgba(140,180,255,0.14)");
gradient.addColorStop(1, "rgba(0,0,0,0)");
context.fillStyle = gradient;
context.fillRect(0, 0, 256, 256);
for (let index = 0; index < 10; index += 1) {
const x = THREE.MathUtils.randFloat(30, 226);
const y = THREE.MathUtils.randFloat(30, 226);
const radius = THREE.MathUtils.randFloat(24, 72);
const puff = context.createRadialGradient(x, y, 0, x, y, radius);
puff.addColorStop(0, "rgba(255,255,255,0.16)");
puff.addColorStop(0.45, "rgba(255,255,255,0.08)");
puff.addColorStop(1, "rgba(0,0,0,0)");
context.fillStyle = puff;
context.beginPath();
context.arc(x, y, radius, 0, Math.PI * 2);
context.fill();
}
const texture = new THREE.CanvasTexture(canvas);
texture.needsUpdate = true;
return texture;
}
export function createNebulaClouds(texture: THREE.Texture): THREE.Sprite[] {
const directions = [
new THREE.Vector3(0.74, 0.34, -0.58),
new THREE.Vector3(-0.62, 0.18, -0.77),
new THREE.Vector3(0.22, -0.44, -0.87),
new THREE.Vector3(-0.38, 0.56, 0.73),
];
return directions.map((direction, index) => {
const sprite = new THREE.Sprite(new THREE.SpriteMaterial({
map: texture,
transparent: true,
opacity: 0.14,
depthWrite: false,
color: ["#6dc7ff", "#ff9ec8", "#8e7dff", "#7ce0c3"][index] ?? "#6dc7ff",
blending: THREE.AdditiveBlending,
}));
sprite.position.copy(direction.normalize().multiplyScalar(25000 + index * 2600));
const scale = 15000 + index * 2400;
sprite.scale.set(scale, scale * 0.62, 1);
return sprite;
});
}
export function createTacticalIcon(documentRef: Document, color: string, size: number): THREE.Sprite {
const canvas = documentRef.createElement("canvas");
canvas.width = 64;
canvas.height = 64;
const context = canvas.getContext("2d");
if (!context) {
throw new Error("Unable to create tactical icon");
}
context.clearRect(0, 0, 64, 64);
context.strokeStyle = color;
context.lineWidth = 5;
context.beginPath();
context.arc(32, 32, 18, 0, Math.PI * 2);
context.stroke();
context.beginPath();
context.moveTo(32, 8);
context.lineTo(32, 56);
context.moveTo(8, 32);
context.lineTo(56, 32);
context.stroke();
const texture = new THREE.CanvasTexture(canvas);
const sprite = new THREE.Sprite(new THREE.SpriteMaterial({
map: texture,
transparent: true,
depthWrite: false,
depthTest: false,
color: "#ffffff",
}));
sprite.scale.setScalar(size);
sprite.visible = false;
return sprite;
}
export function createSystemSummaryVisual(documentRef: Document, anchor: THREE.Vector3): SystemSummaryVisual {
const canvas = documentRef.createElement("canvas");
canvas.width = 512;
canvas.height = 160;
const texture = new THREE.CanvasTexture(canvas);
const sprite = new THREE.Sprite(new THREE.SpriteMaterial({
map: texture,
transparent: true,
depthWrite: false,
depthTest: false,
}));
sprite.scale.set(520, 160, 1);
sprite.visible = false;
return { sprite, texture, anchor };
}
export function createShellReticle(documentRef: Document, color: string, size: number): THREE.Sprite {
const canvas = documentRef.createElement("canvas");
canvas.width = 128;
canvas.height = 128;
const context = canvas.getContext("2d");
if (!context) {
throw new Error("Unable to create shell reticle");
}
context.clearRect(0, 0, 128, 128);
context.strokeStyle = color;
context.lineWidth = 6;
context.globalAlpha = 0.58;
context.beginPath();
context.arc(64, 64, 48, 0.12 * Math.PI, 0.34 * Math.PI);
context.stroke();
context.beginPath();
context.arc(64, 64, 48, 0.62 * Math.PI, 0.84 * Math.PI);
context.stroke();
context.beginPath();
context.arc(64, 64, 48, 1.12 * Math.PI, 1.34 * Math.PI);
context.stroke();
context.beginPath();
context.arc(64, 64, 48, 1.62 * Math.PI, 1.84 * Math.PI);
context.stroke();
const texture = new THREE.CanvasTexture(canvas);
const material = new THREE.SpriteMaterial({
map: texture,
transparent: true,
depthWrite: false,
depthTest: false,
color,
opacity: 1,
blending: THREE.AdditiveBlending,
fog: false,
});
const sprite = new THREE.Sprite(material);
sprite.scale.setScalar(size);
sprite.visible = false;
sprite.renderOrder = 1000;
return sprite;
}