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app/src/main/java/com/kylecorry/trail_sense/tools/augmented_reality/ARPathLayer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,100 @@ | ||
| package com.kylecorry.trail_sense.tools.augmented_reality | ||
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| import com.kylecorry.andromeda.canvas.ICanvasDrawer | ||
| import com.kylecorry.andromeda.core.units.PixelCoordinate | ||
| import com.kylecorry.sol.units.Coordinate | ||
| import com.kylecorry.sol.units.Distance | ||
| import com.kylecorry.trail_sense.tools.augmented_reality.position.GeographicARPoint | ||
| import com.kylecorry.trail_sense.tools.navigation.ui.IMappableLocation | ||
| import com.kylecorry.trail_sense.tools.navigation.ui.IMappablePath | ||
| import com.kylecorry.trail_sense.tools.navigation.ui.MappablePath | ||
| import com.kylecorry.trail_sense.tools.paths.ui.IPathLayer | ||
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| class ARPathLayer(private val viewDistance: Distance) : ARLayer, IPathLayer { | ||
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| private val lineLayer = ARLineLayer() | ||
| private val pointLayer = ARMarkerLayer(0.1f, 6f) | ||
| private var lastLocation = Coordinate.zero | ||
| private val viewDistanceMeters = viewDistance.meters().distance | ||
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| override fun draw(drawer: ICanvasDrawer, view: AugmentedRealityView) { | ||
| lastLocation = view.location | ||
| lineLayer.draw(drawer, view) | ||
| pointLayer.draw(drawer, view) | ||
| } | ||
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| override fun invalidate() { | ||
| lineLayer.invalidate() | ||
| pointLayer.invalidate() | ||
| } | ||
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| override fun onClick( | ||
| drawer: ICanvasDrawer, | ||
| view: AugmentedRealityView, | ||
| pixel: PixelCoordinate | ||
| ): Boolean { | ||
| return false | ||
| } | ||
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| override fun onFocus(drawer: ICanvasDrawer, view: AugmentedRealityView): Boolean { | ||
| return false | ||
| } | ||
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| override fun setPaths(paths: List<IMappablePath>) { | ||
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| val location = lastLocation | ||
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| val splitPaths = paths.flatMap { path -> | ||
| clipPath(path, location, viewDistanceMeters) | ||
| } | ||
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| lineLayer.setLines(splitPaths.map { path -> | ||
| ARLine( | ||
| path.points.map { | ||
| GeographicARPoint(it.coordinate, it.elevation) | ||
| }, | ||
| path.color, | ||
| 1f, | ||
| ARLine.ThicknessUnits.Dp | ||
| ) | ||
| }) | ||
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| // Only render the closest 20 points | ||
| val nearby = splitPaths.flatMap { path -> | ||
| path.points.map { | ||
| it to path.color | ||
| } | ||
| }.sortedBy { | ||
| it.first.coordinate.distanceTo(location) | ||
| }.take(20).map { | ||
| ARMarker( | ||
| GeographicARPoint(it.first.coordinate, it.first.elevation), | ||
| CanvasCircle(it.second) | ||
| ) | ||
| } | ||
| pointLayer.setMarkers(nearby) | ||
| } | ||
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| private fun clipPath(path: IMappablePath, location: Coordinate, distance: Float): List<IMappablePath> { | ||
| val clipped = mutableListOf<IMappablePath>() | ||
| val currentPoints = mutableListOf<IMappableLocation>() | ||
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| for (point in path.points) { | ||
| if (point.coordinate.distanceTo(location) < distance) { | ||
| currentPoints.add(point) | ||
| } else { | ||
| // TODO: Clip instead of remove | ||
| if (currentPoints.isNotEmpty()) { | ||
| clipped.add(MappablePath(path.id, currentPoints.toList(), path.color, path.style)) | ||
| currentPoints.clear() | ||
| } | ||
| } | ||
| } | ||
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| if (currentPoints.isNotEmpty()) { | ||
| clipped.add(MappablePath(path.id, currentPoints.toList(), path.color, path.style)) | ||
| } | ||
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| return clipped | ||
| } | ||
| } |
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7 changes: 7 additions & 0 deletions
7
app/src/main/java/com/kylecorry/trail_sense/tools/paths/ui/IPathLayer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,7 @@ | ||
| package com.kylecorry.trail_sense.tools.paths.ui | ||
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| import com.kylecorry.trail_sense.tools.navigation.ui.IMappablePath | ||
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| interface IPathLayer { | ||
| fun setPaths(paths: List<IMappablePath>) | ||
| } |
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