124 lines
2.9 KiB
TypeScript
124 lines
2.9 KiB
TypeScript
import { describe, expect, it } from "vitest";
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import { createScenePath } from "../../src/document/paths";
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import { createTerrain } from "../../src/document/terrains";
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import { deriveSplineRepeaterInstances } from "../../src/spline-corridor/spline-repeaters";
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describe("spline repeaters", () => {
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it("places bundled corridor assets along paths without requiring roads", () => {
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const path = createScenePath({
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id: "path-repeater-no-road",
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road: {
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enabled: false
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},
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repeaters: [
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{
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id: "repeater-fence",
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assetId: "fence_segment_wood_2m",
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placement: "left",
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offset: 1,
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spacing: 2,
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startInset: 0,
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endInset: 0,
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scale: 1,
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randomScale: 0,
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randomYawDegrees: 0,
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yawOffsetDegrees: 0,
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terrainConform: false,
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heightOffset: 0,
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alignToSpline: true,
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seed: 7
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}
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],
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points: [
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{
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id: "point-a",
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position: { x: 0, y: 0, z: 0 }
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},
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{
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id: "point-b",
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position: { x: 4, y: 0, z: 0 }
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}
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]
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});
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const instances = deriveSplineRepeaterInstances({ path });
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expect(instances).toHaveLength(3);
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expect(instances.map((instance) => instance.position)).toEqual([
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{ x: 0, y: 0, z: 1 },
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{ x: 2, y: 0, z: 1 },
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{ x: 4, y: 0, z: 1 }
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]);
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expect(instances.map((instance) => instance.yawDegrees)).toEqual([
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90,
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90,
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90
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]);
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});
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it("deterministically applies terrain conforming and random variation", () => {
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const terrain = createTerrain({
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id: "terrain-repeater",
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position: { x: 0, y: 1, z: 0 },
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sampleCountX: 3,
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sampleCountZ: 3,
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cellSize: 1,
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heights: [
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0,
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0,
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0,
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1,
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1,
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1,
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2,
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2,
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2
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]
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});
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const path = createScenePath({
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id: "path-repeater-terrain",
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repeaters: [
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{
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id: "repeater-rocks",
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assetId: "edge_small_rocks_a_2m",
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placement: "right",
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offset: 1,
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spacing: 2,
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randomScale: 0.2,
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randomYawDegrees: 10,
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terrainConform: true,
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heightOffset: 0.25,
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seed: 3
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}
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],
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points: [
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{
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id: "point-a",
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position: { x: 0, y: 10, z: 1 }
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},
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{
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id: "point-b",
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position: { x: 2, y: 10, z: 1 }
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}
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]
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});
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const first = deriveSplineRepeaterInstances({
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path,
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terrains: [terrain]
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});
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const second = deriveSplineRepeaterInstances({
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path,
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terrains: [terrain]
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});
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expect(first).toEqual(second);
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expect(first).toHaveLength(2);
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expect(first[0]?.position.y).toBe(1.25);
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expect(first[1]?.position.y).toBe(1.25);
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expect(first[0]?.scale).not.toBe(1);
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expect(first[0]?.yawDegrees).not.toBe(90);
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});
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});
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