nodes: add MEP movement controls and DWV parity (#438)
* Add roof surface placement support for items Items (e.g. solar panels) can now be placed on sloped roof surfaces. The placement system computes euler rotation from the roof surface normal so items sit flush on the slope instead of going inside. - Add roofStrategy to placement-strategies with enter/move/click/leave - Wire roof:enter/move/click/leave events in the placement coordinator - Add calculateRoofRotation in placement-math using surface normals - Support full 3D cursor rotation for sloped surfaces - Items on roofs are parented to the level with world-space rotation Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com> * fixed conflict * feat(duct): ceiling-snap drawing + connected-joint endpoint move Duct draw tool's ceiling mode now hangs each path point just below the ceiling actually covering it (per-room heights tracked), with a translucent surface highlight and a plumb line to the floor so the in-flight point reads clearly from any angle. Dragging a duct corner that sits on a fitting now carries the fitting's other ducts along (port-connectivity second hop), so the joint moves together instead of tearing apart. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): detach + vertical modifiers for duct/pipe joint editing Alt detaches a dragged duct/pipe endpoint or fitting from its connected joint (no elbow re-aim, no connectivity follow); Ctrl/Cmd drives vertical riser movement on the fitting move. Behavioral parity across 2D and 3D. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): full DWV pipe parity for joint editing Bring pipe-segment endpoint drags and pipe-fitting moves to parity with duct: free-drag endpoints, Alt-detach, Ctrl/Cmd-vertical riser, elbow re-aim, and connectivity follow. Generalizes the shared elbow-reaim and auto-fitting helpers to dispatch by run kind so 2D and 3D share one path. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): wall-style arrow handles for duct fittings + segments Add violet directional arrow affordances to duct-fitting selection (height, move cross, rotate arc) mirroring the duct-segment rig: portaled into the parent frame to stay out of the selection outline, rendered via the shared HandleArrow, and carrying mated-run connectivity through the single-undo dance. The move cross engages press-drag-release (placementDragMode) the same way the floating drag does, so the markup hit-areas go inert and the fitting move tool commits on pointer-up. Also re-export the HandleArrow primitives from @pascal-app/editor and extend the duct-segment side-move/floorplan affordances. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): click-to-latch cube handles for duct + fitting editing Replace the hover-reveal / multi-handle selection rigs with a single click-to-latch cube that opens a directional cluster, shared between duct segments and fittings via a new selection-handles module (HandleCube / MoveChevron / RotateArc, all sized to the roof pitch cube). - Duct segment: per-vertex + run-center cubes reveal axis-locked move chevrons (down arrow always shown), plus a roll arc at the run center. - Duct fitting: center cube reveals six ±XYZ move arrows and three per-axis rotation arcs (oriented in place), replacing the old height/move/rotate trio with axis-cycling. - Rotation (fitting arcs + duct roll) snaps to 45° steps; Shift = smooth. - thin chevron profile + press-drag-release commit retained. * fix(mep): orient duct roll arc consistently + drop Ctrl-vertical drag Build a fully-determined basis for the duct roll gizmo so the curved arrow always seats at the top-outer 45° corner regardless of run direction, instead of an arbitrary apex from a single setFromUnitVectors. The selection-rig ±Y arrows now own vertical movement, so the redundant Ctrl-modifier riser drag is removed from the fitting move tool. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): run-aligned duct handles, swing snapping, elbow flatten Align the duct run-center cube + horizontal arrows to the run axis (matching the per-vertex handles) while keeping whole-run translate. Endpoint side / up-down swing arrows now follow grid snap points and port-snap onto nearby collars (Shift sweeps smoothly). Relax elbow realign + fitting schemas to flatten to a straight 0° coupling. Surface HVAC-specific hints in the select-mode helper panel for duct / fitting. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): per-segment linesets/liquid-lines with joint-follow editing Linesets and liquid lines now commit one independent two-point node per drawn segment instead of folding into a single mitered polyline, so each line selects and deletes on its own. Endpoint caps fill shared-coordinate joints so connected segments still read as continuous pipe. Dragging a shared endpoint carries mated segments along via port connectivity (Alt detaches), so a run still edits as one welded piece. Liquid-line follow mode traces the whole connected lineset run, laying a per-segment parallel line down its full assembled length. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * feat(mep): vertical-offset auto-routing on duct center-cube ±Y drag Lifting/lowering a connected run with the run-center cube now keeps each connected end welded to its stationary partner instead of dragging the whole network. Run-to-run ends get the classic S/Z offset (two elbows + plumb riser, partner trimmed back one leg); elbow-connected ends form a clean L — the existing elbow stays put and re-aims its collar vertical, with one new top elbow + riser reconnecting to the lifted endpoint. The offset is ghosted live and minted as a single undo step on release. Co-Authored-By: Claude Opus 4.7 <noreply@anthropic.com> * Add roof accessory placement guides Measure roof accessory placement against the active roof face using visible surface bounds and preview geometry footprints. Add dormer-local guides and special linear handling for ridge vents and gutters. * Improve duct and placement routing * Fix duct vertical movement routing * Fix duct vertical offsets and roof accessory movement * Add DWV movement parity and line endpoint controls * Fix MEP handle review issues * Fix chimney placement and duct offset cleanup * Use snapped targets for roof accessory commits * fix(nodes): repair MEP movement review issues - auto-fitting: tee branch now follows the drawn lateral angle; update the stale square-tee test + doc comment that contradicted the rewrite - duct-segment: re-enable the vertical auto-offset rewind (the disabled stub left mintedIds empty, so re-dragging a tagged duct stranded old elbows/risers and stacked duplicates); remove the dead stub - duct-segment: strip the stale auto-offset tag on manual corner/roll commits so the horizontal-move path no longer trusts an out-of-date base - chimney: resume history before mutating segment children arrays so a cross-segment move reparents in one tracked transaction (undo stays consistent) - dormer: align schema test with the new windowSill=false default * fix: address mep movement review issues * fix: address follow-up mep review comments * fix: address additional mep review comments --------- Co-authored-by: Claude Opus 4.6 <noreply@anthropic.com> Co-authored-by: pascal-open-bot <open@pascal.app>
This commit is contained in:
Sudhir Yadav
co-authored by
Claude Opus 4.6
pascal-open-bot
Claude Opus 4.6
pascal-open-bot
parent
ae90da6554
commit
a71de82ccb
@@ -3,6 +3,7 @@ import {
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getSegmentSlopeFrame,
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ROOF_SHAPE_DEFAULTS,
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type RoofSegmentNode,
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type RoofType,
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} from '@pascal-app/core'
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import * as THREE from 'three'
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@@ -16,6 +17,510 @@ export function getSurfaceY(lx: number, lz: number, seg: RoofSegmentNode): numbe
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return getRoofSegmentSurfaceY(seg, lx, lz)
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}
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export type RoofSurfacePoint2D = [number, number]
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export type RoofSurfaceFaceBounds = {
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polygon: RoofSurfacePoint2D[]
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minX: number
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maxX: number
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minZ: number
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maxZ: number
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surfaceYAt: (x: number, z: number) => number
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xIntervalAtZ: (z: number) => [number, number] | null
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zIntervalAtX: (x: number) => [number, number] | null
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}
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export function getRoofSurfaceFaceBoundsAt(
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segment: RoofSegmentNode,
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lx: number,
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lz: number,
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): RoofSurfaceFaceBounds {
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const faces = getRoofSurfaceFaces(segment)
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const face =
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faces.find((candidate) => pointInPolygon([lx, lz], candidate.polygon)) ??
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nearestFaceToPoint(faces, [lx, lz])
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const { polygon } = face
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const xs = polygon.map((point) => point[0])
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const zs = polygon.map((point) => point[1])
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return {
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polygon,
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minX: Math.min(...xs),
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maxX: Math.max(...xs),
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minZ: Math.min(...zs),
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maxZ: Math.max(...zs),
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surfaceYAt: (x, z) =>
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surfaceYOnFace(face.vertices, x, z) ?? getRoofSegmentSurfaceY(segment, x, z),
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xIntervalAtZ: (z) => lineInterval(polygon, 'x', z),
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zIntervalAtX: (x) => lineInterval(polygon, 'z', x),
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}
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}
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type RoofSurfaceFace = {
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polygon: RoofSurfacePoint2D[]
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vertices: FaceVertex[]
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}
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type FaceVertex = { x: number; y: number; z: number }
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type FaceInsets = {
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iF?: number
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iB?: number
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iL?: number
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iR?: number
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dutchI?: number
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}
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type FaceShapeRatios = {
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gambrelLowerWidthRatio: number
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mansardSteepWidthRatio: number
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dutchHipWidthRatio: number
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}
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const SHINGLE_SURFACE_EPSILON = 0.02
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const FACE_TOLERANCE = 1e-6
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function getRoofSurfaceFaces(segment: RoofSegmentNode): RoofSurfaceFace[] {
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const { roofType, width, depth, wallHeight, wallThickness, deckThickness, overhang } = segment
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const { activeRh, tanTheta, cosTheta, sinTheta } = getSegmentSlopeFrame(segment)
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const verticalRt = activeRh > 0 ? deckThickness / cosTheta : deckThickness
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const horizontalOverhang = (overhang ?? 0) * cosTheta
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const deckExt = wallThickness / 2 + horizontalOverhang
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const shingleThickness = segment.shingleThickness ?? 0
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const stSin = shingleThickness * sinTheta
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const stCos = shingleThickness * cosTheta
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const shinBotW = Math.max(0.01, width + 2 * deckExt)
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const shinBotD = Math.max(0.01, depth + 2 * deckExt)
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const deckDrop = deckExt * tanTheta
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const shinBotWh = wallHeight - deckDrop + verticalRt
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let shinBotRh = activeRh
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if (activeRh > 0) {
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shinBotRh = activeRh + deckDrop
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if (roofType === 'shed') shinBotRh = activeRh + 2 * deckDrop
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}
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let shinTopW = shinBotW
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let shinTopD = shinBotD
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let transZ = 0
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if (roofType === 'hip' || roofType === 'mansard' || roofType === 'dutch') {
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shinTopW += 2 * stSin
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shinTopD += 2 * stSin
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} else if (roofType === 'gable' || roofType === 'gambrel') {
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shinTopD += 2 * stSin
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} else if (roofType === 'shed') {
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shinTopD += stSin
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transZ = stSin / 2
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}
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const shinTopWh = shinBotWh + stCos
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let shinTopRh = shinBotRh
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if (activeRh > 0) shinTopRh = shinBotRh + stSin * tanTheta
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const availableR = (Math.min(shinBotW, shinBotD) / 2) * 0.95
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const maxDrop = tanTheta > 0.001 ? availableR / tanTheta : 2
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const dropTop = Math.min(1, maxDrop * 0.4)
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const topBaseY = shinBotWh - dropTop
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const insetsTop = getRoofFaceInsets(
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roofType,
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width,
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depth,
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shinTopWh,
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topBaseY,
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false,
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shinTopW,
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shinTopD,
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tanTheta,
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shingleThickness,
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)
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const shapeRatios = {
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gambrelLowerWidthRatio:
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segment.gambrelLowerWidthRatio ?? ROOF_SHAPE_DEFAULTS.gambrelLowerWidthRatio,
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mansardSteepWidthRatio:
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segment.mansardSteepWidthRatio ?? ROOF_SHAPE_DEFAULTS.mansardSteepWidthRatio,
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dutchHipWidthRatio: segment.dutchHipWidthRatio ?? ROOF_SHAPE_DEFAULTS.dutchHipWidthRatio,
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}
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return getRoofModuleFaces(
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roofType,
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shinTopW,
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shinTopD,
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shinTopWh,
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shinTopRh,
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topBaseY,
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insetsTop,
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width,
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depth,
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tanTheta,
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shapeRatios,
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)
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.filter((face) => faceNormalY(face) > SHINGLE_SURFACE_EPSILON)
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.map((face) => {
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const vertices = face.map((point) => ({ ...point, z: point.z + transZ }))
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return {
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vertices,
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polygon: dedupePolygon(vertices.map((point) => [point.x, point.z])),
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}
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})
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.filter((face) => face.polygon.length >= 3)
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}
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function getRoofFaceInsets(
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roofType: RoofType,
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width: number,
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depth: number,
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wh: number,
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baseY: number,
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isVoid: boolean,
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brushW: number,
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brushD: number,
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tanTheta: number,
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shingleThickness: number,
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): FaceInsets {
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let inset = (wh - baseY) * tanTheta
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const maxSafeInset = Math.min(brushW, brushD) / 2 - 0.005
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if (inset > maxSafeInset) inset = maxSafeInset
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let iF = 0
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let iB = 0
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let iL = 0
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let iR = 0
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if (roofType === 'hip' || roofType === 'mansard' || roofType === 'dutch') {
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iF = inset
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iB = inset
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iL = inset
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iR = inset
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} else if (roofType === 'gable' || roofType === 'gambrel') {
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iF = inset
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iB = inset
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} else if (roofType === 'shed') {
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iF = inset
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}
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let dutchI = Math.min(width, depth) * 0.25
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if (isVoid) dutchI += shingleThickness
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return { iF, iB, iL, iR, dutchI }
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}
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function getRoofModuleFaces(
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type: RoofType,
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w: number,
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d: number,
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wh: number,
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rh: number,
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baseY: number,
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insets: FaceInsets,
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baseW: number,
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baseD: number,
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tanTheta: number,
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shapeRatios: FaceShapeRatios,
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): FaceVertex[][] {
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const v = (x: number, y: number, z: number): FaceVertex => ({ x, y, z })
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const { iF = 0, iB = 0, iL = 0, iR = 0 } = insets
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const b1 = v(-w / 2 + iL, baseY, d / 2 - iF)
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const b2 = v(w / 2 - iR, baseY, d / 2 - iF)
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const b3 = v(w / 2 - iR, baseY, -d / 2 + iB)
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const b4 = v(-w / 2 + iL, baseY, -d / 2 + iB)
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const bottom = [b4, b3, b2, b1]
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const e1 = v(-w / 2, wh, d / 2)
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const e2 = v(w / 2, wh, d / 2)
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const e3 = v(w / 2, wh, -d / 2)
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const e4 = v(-w / 2, wh, -d / 2)
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const faces: FaceVertex[][] = []
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faces.push([b1, b2, e2, e1], [b2, b3, e3, e2], [b3, b4, e4, e3], [b4, b1, e1, e4], bottom)
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const h = wh + Math.max(0.001, rh)
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if (type === 'flat' || rh === 0) {
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faces.push([e1, e2, e3, e4])
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} else if (type === 'gable') {
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const r1 = v(-w / 2, h, 0)
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const r2 = v(w / 2, h, 0)
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faces.push([e4, e1, r1], [e2, e3, r2], [e1, e2, r2, r1], [e3, e4, r1, r2])
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} else if (type === 'hip') {
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if (Math.abs(w - d) < 0.01) {
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const r = v(0, h, 0)
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faces.push([e4, e1, r], [e1, e2, r], [e2, e3, r], [e3, e4, r])
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} else if (w >= d) {
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const r1 = v(-w / 2 + d / 2, h, 0)
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const r2 = v(w / 2 - d / 2, h, 0)
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faces.push([e4, e1, r1], [e2, e3, r2], [e1, e2, r2, r1], [e3, e4, r1, r2])
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} else {
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const r1 = v(0, h, d / 2 - w / 2)
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const r2 = v(0, h, -d / 2 + w / 2)
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faces.push([e1, e2, r1], [e3, e4, r2], [e2, e3, r2, r1], [e4, e1, r1, r2])
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}
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} else if (type === 'shed') {
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const t1 = v(-w / 2, h, -d / 2)
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const t2 = v(w / 2, h, -d / 2)
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faces.push([e1, e2, t2, t1], [e2, e3, t2], [e3, e4, t1, t2], [e4, e1, t1])
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} else if (type === 'gambrel') {
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const mz = (baseD / 2) * shapeRatios.gambrelLowerWidthRatio
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const dist = d / 2 - mz
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const mh = wh + dist * (tanTheta || 0)
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const m1 = v(-w / 2, mh, mz)
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const m2 = v(w / 2, mh, mz)
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const m3 = v(w / 2, mh, -mz)
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const m4 = v(-w / 2, mh, -mz)
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const r1 = v(-w / 2, h, 0)
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const r2 = v(w / 2, h, 0)
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faces.push(
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[e4, e1, m1, r1, m4],
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[e2, e3, m3, r2, m2],
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[e1, e2, m2, m1],
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[m1, m2, r2, r1],
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[e3, e4, m4, m3],
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[m3, m4, r1, r2],
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)
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} else if (type === 'mansard') {
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const i = Math.min(baseW, baseD) * shapeRatios.mansardSteepWidthRatio
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const mh = wh + i * (tanTheta || 0)
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const m1 = v(-w / 2 + i, mh, d / 2 - i)
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const m2 = v(w / 2 - i, mh, d / 2 - i)
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const m3 = v(w / 2 - i, mh, -d / 2 + i)
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const m4 = v(-w / 2 + i, mh, -d / 2 + i)
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const t1 = v(-w / 2 + i * 2, h, d / 2 - i * 2)
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const t2 = v(w / 2 - i * 2, h, d / 2 - i * 2)
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const t3 = v(w / 2 - i * 2, h, -d / 2 + i * 2)
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const t4 = v(-w / 2 + i * 2, h, -d / 2 + i * 2)
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if (w - i * 4 <= 0.01 || d - i * 4 <= 0.01) {
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if (w >= d) {
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const r1 = v(-w / 2 + d / 2, h, 0)
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const r2 = v(w / 2 - d / 2, h, 0)
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faces.push([e4, e1, r1], [e2, e3, r2], [e1, e2, r2, r1], [e3, e4, r1, r2])
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} else {
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const r1 = v(0, h, d / 2 - w / 2)
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const r2 = v(0, h, -d / 2 + w / 2)
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faces.push([e1, e2, r1], [e3, e4, r2], [e2, e3, r2, r1], [e4, e1, r1, r2])
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}
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} else {
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faces.push(
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[t1, t2, t3, t4],
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[e1, e2, m2, m1],
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[e2, e3, m3, m2],
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[e3, e4, m4, m3],
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[e4, e1, m1, m4],
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[m1, m2, t2, t1],
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[m2, m3, t3, t2],
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[m3, m4, t4, t3],
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[m4, m1, t1, t4],
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)
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}
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} else if (type === 'dutch') {
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const i =
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insets.dutchI !== undefined
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? insets.dutchI
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: Math.min(baseW, baseD) * shapeRatios.dutchHipWidthRatio
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const mh = wh + i * (tanTheta || 0)
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if (w >= d) {
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const m1 = v(-w / 2 + i, mh, d / 2 - i)
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const m2 = v(w / 2 - i, mh, d / 2 - i)
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const m3 = v(w / 2 - i, mh, -d / 2 + i)
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const m4 = v(-w / 2 + i, mh, -d / 2 + i)
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||||
const r1 = v(-w / 2 + i, h, 0)
|
||||
const r2 = v(w / 2 - i, h, 0)
|
||||
|
||||
faces.push(
|
||||
[e1, e2, m2, m1],
|
||||
[e2, e3, m3, m2],
|
||||
[e3, e4, m4, m3],
|
||||
[e4, e1, m1, m4],
|
||||
[m4, m1, r1],
|
||||
[m2, m3, r2],
|
||||
[m1, m2, r2, r1],
|
||||
[m3, m4, r1, r2],
|
||||
)
|
||||
} else {
|
||||
const m1 = v(-w / 2 + i, mh, d / 2 - i)
|
||||
const m2 = v(w / 2 - i, mh, d / 2 - i)
|
||||
const m3 = v(w / 2 - i, mh, -d / 2 + i)
|
||||
const m4 = v(-w / 2 + i, mh, -d / 2 + i)
|
||||
const r1 = v(0, h, d / 2 - i)
|
||||
const r2 = v(0, h, -d / 2 + i)
|
||||
|
||||
faces.push(
|
||||
[e1, e2, m2, m1],
|
||||
[e2, e3, m3, m2],
|
||||
[e3, e4, m4, m3],
|
||||
[e4, e1, m1, m4],
|
||||
[m1, m2, r1],
|
||||
[m3, m4, r2],
|
||||
[m2, m3, r2, r1],
|
||||
[m4, m1, r1, r2],
|
||||
)
|
||||
}
|
||||
}
|
||||
|
||||
return faces
|
||||
}
|
||||
|
||||
function faceNormalY(face: FaceVertex[]): number {
|
||||
const a = face[0]
|
||||
const b = face[1]
|
||||
const c = face[2]
|
||||
if (!(a && b && c)) return 0
|
||||
const abx = b.x - a.x
|
||||
const aby = b.y - a.y
|
||||
const abz = b.z - a.z
|
||||
const acx = c.x - a.x
|
||||
const acy = c.y - a.y
|
||||
const acz = c.z - a.z
|
||||
return abz * acx - abx * acz
|
||||
}
|
||||
|
||||
function dedupePolygon(points: RoofSurfacePoint2D[]): RoofSurfacePoint2D[] {
|
||||
const out: RoofSurfacePoint2D[] = []
|
||||
for (const point of points) {
|
||||
const prev = out.at(-1)
|
||||
if (prev && Math.hypot(prev[0] - point[0], prev[1] - point[1]) <= FACE_TOLERANCE) continue
|
||||
out.push(point)
|
||||
}
|
||||
const first = out[0]
|
||||
const last = out.at(-1)
|
||||
if (first && last && Math.hypot(first[0] - last[0], first[1] - last[1]) <= FACE_TOLERANCE) {
|
||||
out.pop()
|
||||
}
|
||||
return out
|
||||
}
|
||||
|
||||
function pointInPolygon(point: RoofSurfacePoint2D, polygon: RoofSurfacePoint2D[]): boolean {
|
||||
let inside = false
|
||||
const [px, pz] = point
|
||||
for (let i = 0, j = polygon.length - 1; i < polygon.length; j = i++) {
|
||||
const [xi, zi] = polygon[i]!
|
||||
const [xj, zj] = polygon[j]!
|
||||
if (pointOnSegment(point, [xi, zi], [xj, zj])) return true
|
||||
const intersects = zi > pz !== zj > pz && px < ((xj - xi) * (pz - zi)) / (zj - zi) + xi
|
||||
if (intersects) inside = !inside
|
||||
}
|
||||
return inside
|
||||
}
|
||||
|
||||
function pointOnSegment(
|
||||
point: RoofSurfacePoint2D,
|
||||
a: RoofSurfacePoint2D,
|
||||
b: RoofSurfacePoint2D,
|
||||
): boolean {
|
||||
const cross = (point[1] - a[1]) * (b[0] - a[0]) - (point[0] - a[0]) * (b[1] - a[1])
|
||||
if (Math.abs(cross) > FACE_TOLERANCE) return false
|
||||
const dot = (point[0] - a[0]) * (b[0] - a[0]) + (point[1] - a[1]) * (b[1] - a[1])
|
||||
if (dot < -FACE_TOLERANCE) return false
|
||||
const lengthSq = (b[0] - a[0]) ** 2 + (b[1] - a[1]) ** 2
|
||||
return dot <= lengthSq + FACE_TOLERANCE
|
||||
}
|
||||
|
||||
function nearestFaceToPoint(faces: RoofSurfaceFace[], point: RoofSurfacePoint2D): RoofSurfaceFace {
|
||||
let best = faces[0]
|
||||
let bestDistance = Number.POSITIVE_INFINITY
|
||||
for (const face of faces) {
|
||||
const distance = distanceToPolygon(point, face.polygon)
|
||||
if (distance < bestDistance) {
|
||||
best = face
|
||||
bestDistance = distance
|
||||
}
|
||||
}
|
||||
return (
|
||||
best ?? {
|
||||
polygon: [
|
||||
[-0.5, -0.5],
|
||||
[0.5, -0.5],
|
||||
[0.5, 0.5],
|
||||
[-0.5, 0.5],
|
||||
],
|
||||
vertices: [
|
||||
{ x: -0.5, y: 0, z: -0.5 },
|
||||
{ x: 0.5, y: 0, z: -0.5 },
|
||||
{ x: 0.5, y: 0, z: 0.5 },
|
||||
{ x: -0.5, y: 0, z: 0.5 },
|
||||
],
|
||||
}
|
||||
)
|
||||
}
|
||||
|
||||
function surfaceYOnFace(vertices: FaceVertex[], x: number, z: number): number | null {
|
||||
for (let i = 0; i < vertices.length - 2; i++) {
|
||||
const a = vertices[i]
|
||||
const b = vertices[i + 1]
|
||||
const c = vertices[i + 2]
|
||||
if (!(a && b && c)) continue
|
||||
const abx = b.x - a.x
|
||||
const aby = b.y - a.y
|
||||
const abz = b.z - a.z
|
||||
const acx = c.x - a.x
|
||||
const acy = c.y - a.y
|
||||
const acz = c.z - a.z
|
||||
const nx = aby * acz - abz * acy
|
||||
const ny = abz * acx - abx * acz
|
||||
const nz = abx * acy - aby * acx
|
||||
if (Math.abs(ny) <= FACE_TOLERANCE) continue
|
||||
return a.y - (nx * (x - a.x) + nz * (z - a.z)) / ny
|
||||
}
|
||||
return null
|
||||
}
|
||||
|
||||
function distanceToPolygon(point: RoofSurfacePoint2D, polygon: RoofSurfacePoint2D[]): number {
|
||||
if (pointInPolygon(point, polygon)) return 0
|
||||
let best = Number.POSITIVE_INFINITY
|
||||
for (let i = 0; i < polygon.length; i++) {
|
||||
const a = polygon[i]!
|
||||
const b = polygon[(i + 1) % polygon.length]!
|
||||
best = Math.min(best, distanceToSegment(point, a, b))
|
||||
}
|
||||
return best
|
||||
}
|
||||
|
||||
function distanceToSegment(
|
||||
point: RoofSurfacePoint2D,
|
||||
a: RoofSurfacePoint2D,
|
||||
b: RoofSurfacePoint2D,
|
||||
): number {
|
||||
const abx = b[0] - a[0]
|
||||
const abz = b[1] - a[1]
|
||||
const lengthSq = abx * abx + abz * abz
|
||||
if (lengthSq <= FACE_TOLERANCE) return Math.hypot(point[0] - a[0], point[1] - a[1])
|
||||
const t = Math.max(0, Math.min(1, ((point[0] - a[0]) * abx + (point[1] - a[1]) * abz) / lengthSq))
|
||||
return Math.hypot(point[0] - (a[0] + abx * t), point[1] - (a[1] + abz * t))
|
||||
}
|
||||
|
||||
function lineInterval(
|
||||
polygon: RoofSurfacePoint2D[],
|
||||
axis: 'x' | 'z',
|
||||
value: number,
|
||||
): [number, number] | null {
|
||||
const hits: number[] = []
|
||||
for (let i = 0; i < polygon.length; i++) {
|
||||
const a = polygon[i]!
|
||||
const b = polygon[(i + 1) % polygon.length]!
|
||||
const aFixed = axis === 'x' ? a[1] : a[0]
|
||||
const bFixed = axis === 'x' ? b[1] : b[0]
|
||||
const aVar = axis === 'x' ? a[0] : a[1]
|
||||
const bVar = axis === 'x' ? b[0] : b[1]
|
||||
|
||||
if (Math.abs(aFixed - value) <= FACE_TOLERANCE && Math.abs(bFixed - value) <= FACE_TOLERANCE) {
|
||||
hits.push(aVar, bVar)
|
||||
continue
|
||||
}
|
||||
if (value < Math.min(aFixed, bFixed) - FACE_TOLERANCE) continue
|
||||
if (value > Math.max(aFixed, bFixed) + FACE_TOLERANCE) continue
|
||||
if (Math.abs(aFixed - bFixed) <= FACE_TOLERANCE) continue
|
||||
|
||||
const t = (value - aFixed) / (bFixed - aFixed)
|
||||
if (t < -FACE_TOLERANCE || t > 1 + FACE_TOLERANCE) continue
|
||||
hits.push(aVar + (bVar - aVar) * t)
|
||||
}
|
||||
|
||||
const unique = Array.from(new Set(hits.map((hit) => hit.toFixed(6)))).map(Number)
|
||||
if (unique.length < 2) return null
|
||||
return [Math.min(...unique), Math.max(...unique)]
|
||||
}
|
||||
|
||||
// Outward normal for a roof surface tilting at angle θ in the horizontal
|
||||
// direction (dx, dz). Derivation: the surface tangent vectors are the
|
||||
// ridge axis (perpendicular to the fall line, horizontal) and the
|
||||
|
||||
Reference in New Issue
Block a user