Sudhir YadavandGitHub
5551500d98
Adds two new MEP node families (HVAC ductwork, DWV plumbing) built on a shared port-connectivity model. Co-authored by @sudhir9297.
59 lines
1.7 KiB
TypeScript
59 lines
1.7 KiB
TypeScript
import type { FloorplanGeometry, GeometryContext } from '@pascal-app/core'
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import { INCHES_TO_METERS } from '../duct-segment/geometry'
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import { getPipeFittingPorts } from './ports'
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import type { PipeFittingNode } from './schema'
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const WASTE_COLOR = '#57534e'
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const VENT_COLOR = '#78716c'
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/**
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* Floor-plan symbol for a DWV fitting: one line per collar from the
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* junction out (a wye's 45° branch reads at its true plan angle), plus
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* a hub circle. Vertical collars (stack connections) collapse onto the
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* hub, which is how they should read from above.
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*/
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export function buildPipeFittingFloorplan(
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node: PipeFittingNode,
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ctx: GeometryContext,
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): FloorplanGeometry | null {
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const [cx, , cz] = node.position
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const view = ctx.viewState
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const palette = view?.palette
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const showSelectedChrome = (view?.selected || view?.highlighted) ?? false
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const stroke =
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showSelectedChrome && palette
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? palette.selectedStroke
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: node.system === 'vent'
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? VENT_COLOR
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: WASTE_COLOR
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const children: FloorplanGeometry[] = []
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for (const port of getPipeFittingPorts(node)) {
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const px = port.position[0]
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const pz = port.position[2]
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if (Math.hypot(px - cx, pz - cz) < 1e-4) continue
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children.push({
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kind: 'line',
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x1: cx,
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y1: cz,
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x2: px,
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y2: pz,
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stroke,
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strokeWidth: port.diameter * INCHES_TO_METERS,
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strokeLinecap: 'round',
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opacity: showSelectedChrome ? 0.95 : 0.85,
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})
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}
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children.push({
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kind: 'circle',
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cx,
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cy: cz,
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r: (node.diameter * INCHES_TO_METERS) / 2 + 0.012,
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fill: stroke,
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opacity: 0.95,
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})
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if (showSelectedChrome) children.push({ kind: 'move-handle', point: [cx, cz] })
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return { kind: 'group', children }
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}
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