100 lines
2.5 KiB
TypeScript
100 lines
2.5 KiB
TypeScript
import { describe, expect, it } from 'vitest'
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import * as THREE from 'three'
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import {
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getWalkableSurfaceHits,
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projectRoutePositionToSurface,
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resolveDominantRouteSurfaceY
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} from '@/components/map/routeSurfaceProjection'
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const createDeck = (
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y: number,
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width = 40,
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depth = 40,
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x = 0,
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z = 0
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) => {
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const deck = new THREE.Mesh(
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new THREE.BoxGeometry(width, 0.2, depth),
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new THREE.MeshBasicMaterial()
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)
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deck.position.set(x, y - 0.1, z)
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return deck
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}
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const boundsOf = (object: THREE.Object3D) => {
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object.updateWorldMatrix(true, true)
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return new THREE.Box3().setFromObject(object)
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}
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describe('route surface projection', () => {
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it('将5楼遗留的非零路线Y投射到真实楼面', () => {
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const floor = new THREE.Group()
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floor.add(createDeck(26.964))
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const fixture = new THREE.Mesh(
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new THREE.BoxGeometry(2, 2, 2),
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new THREE.MeshBasicMaterial()
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)
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fixture.position.set(0, 28, 0)
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floor.add(fixture)
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const bounds = boundsOf(floor)
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const hits = getWalkableSurfaceHits(floor, bounds, [0, 0.33, 0])
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const projected = projectRoutePositionToSurface(
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floor,
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bounds,
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[0, 0.33, 0],
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26.964,
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0.24
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)
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expect(hits[0]).toBeCloseTo(26.964, 3)
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expect(projected?.y).toBeCloseTo(27.204, 3)
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})
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it('以多数路线点命中的楼面为当前楼层高度', () => {
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const floor = new THREE.Group()
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floor.add(createDeck(26.964, 20, 20))
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floor.add(createDeck(29.5, 4, 4, 20, 0))
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const bounds = boundsOf(floor)
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const surfaceY = resolveDominantRouteSurfaceY(floor, bounds, [
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[-5, 0.197, 0],
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[0, 0.33, 0],
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[5, 0.254, 0],
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[20, 0.33, 0]
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])
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expect(surfaceY).toBeCloseTo(26.964, 3)
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})
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it('不把当前楼层已隐藏的模型表面作为路线高度', () => {
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const floor = new THREE.Group()
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const hiddenDeck = createDeck(2)
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hiddenDeck.visible = false
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floor.add(hiddenDeck)
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floor.add(createDeck(10))
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const bounds = boundsOf(floor)
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const surfaceY = resolveDominantRouteSurfaceY(floor, bounds, [[0, 0, 0]])
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expect(surfaceY).toBeCloseTo(10, 3)
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})
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it('返回包含楼层布局位移的世界高度，避免重复叠加偏移', () => {
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const floor = new THREE.Group()
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floor.add(createDeck(5))
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floor.position.y = 68
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const bounds = boundsOf(floor)
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const projected = projectRoutePositionToSurface(
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floor,
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bounds,
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[0, 5.074, 0],
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undefined,
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0.24
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)
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expect(projected?.y).toBeCloseTo(73.24, 3)
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})
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})
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