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149 changes: 149 additions & 0 deletions
149
app/src/main/java/com/kylecorry/trail_sense/tools/augmented_reality/ARGridLayer.kt
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,149 @@ | ||
| package com.kylecorry.trail_sense.tools.augmented_reality | ||
|
|
||
| import android.graphics.Color | ||
| import android.graphics.Path | ||
| import androidx.annotation.ColorInt | ||
| import com.kylecorry.andromeda.canvas.ICanvasDrawer | ||
| import com.kylecorry.andromeda.canvas.TextMode | ||
| import com.kylecorry.andromeda.core.units.PixelCoordinate | ||
| import com.kylecorry.sol.math.SolMath | ||
| import com.kylecorry.sol.math.SolMath.roundNearest | ||
| import com.kylecorry.trail_sense.R | ||
| import com.kylecorry.trail_sense.shared.extensions.getValuesBetween | ||
| import kotlin.math.absoluteValue | ||
| import kotlin.math.hypot | ||
|
|
||
| class ARGridLayer( | ||
| private val spacing: Int = 30, | ||
| @ColorInt private val color: Int = Color.WHITE, | ||
| @ColorInt private val northColor: Int = color, | ||
| @ColorInt private val horizonColor: Int = color, | ||
| @ColorInt private val labelColor: Int = color, | ||
| private val thicknessDp: Float = 1f, | ||
| private val resolutionDegrees: Int = 5 | ||
| ) : ARLayer { | ||
|
|
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| private var isSetup = false | ||
| private var textSize: Float = 0f | ||
| private var northString: String = "" | ||
| private var southString: String = "" | ||
| private var eastString: String = "" | ||
| private var westString: String = "" | ||
|
|
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| override fun draw(drawer: ICanvasDrawer, view: AugmentedRealityView) { | ||
|
|
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| if (!isSetup){ | ||
| textSize = drawer.sp(16f) | ||
| northString = view.context.getString(R.string.direction_north) | ||
| southString = view.context.getString(R.string.direction_south) | ||
| eastString = view.context.getString(R.string.direction_east) | ||
| westString = view.context.getString(R.string.direction_west) | ||
| isSetup = true | ||
| } | ||
|
|
||
| val maxAngle = hypot(view.fov.width, view.fov.height) * 1.2f | ||
|
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| val minVertical = (view.inclination - maxAngle / 2f).toInt().coerceIn(-90, 90) | ||
| val maxVertical = (view.inclination + maxAngle / 2f).toInt().coerceIn(-90, 90) | ||
|
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| val isPoleVisible = minVertical.absoluteValue == 90 || maxVertical.absoluteValue == 90 | ||
|
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| val minHorizontal = if (isPoleVisible) 0 else (view.azimuth - maxAngle / 2f).toInt() | ||
| val maxHorizontal = if (isPoleVisible) 360 else (view.azimuth + maxAngle / 2f).toInt() | ||
|
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||
| val latitudes = getValuesBetween(minVertical.toFloat(), maxVertical.toFloat(), spacing.toFloat()) | ||
| val longitudes = getValuesBetween(minHorizontal.toFloat(), maxHorizontal.toFloat(), spacing.toFloat()).distinctBy { | ||
| SolMath.normalizeAngle(it) | ||
| } | ||
|
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||
| drawer.noFill() | ||
| drawer.strokeWeight(drawer.dp(thicknessDp)) | ||
|
|
||
| // Draw horizontal lines | ||
| val horizontalPointRange = steppedRangeInclusive(minHorizontal, maxHorizontal, resolutionDegrees) | ||
| for (i in latitudes) { | ||
| var previous: PixelCoordinate? = null | ||
| for (j in horizontalPointRange) { | ||
| if (i.toInt() == 0){ | ||
| drawer.stroke(horizonColor) | ||
| } else { | ||
| drawer.stroke(color) | ||
| } | ||
| val pixel = view.toPixel(AugmentedRealityView.HorizonCoordinate(j.toFloat(), i)) | ||
| if (previous != null){ | ||
| drawer.line(previous.x, previous.y, pixel.x, pixel.y) | ||
| } | ||
| previous = pixel | ||
| } | ||
| } | ||
|
|
||
| // Draw vertical lines | ||
| val verticalPointRange = steppedRangeInclusive(minVertical, maxVertical, resolutionDegrees) | ||
| for (i in longitudes) { | ||
| var previous: PixelCoordinate? = null | ||
| for (j in verticalPointRange) { | ||
| if (i.toInt() == 0){ | ||
| drawer.stroke(northColor) | ||
| } else { | ||
| drawer.stroke(color) | ||
| } | ||
| val pixel = view.toPixel(AugmentedRealityView.HorizonCoordinate(i, j.toFloat())) | ||
| if (previous != null){ | ||
| drawer.line(previous.x, previous.y, pixel.x, pixel.y) | ||
| } | ||
| previous = pixel | ||
| } | ||
| } | ||
|
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|
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| drawer.noStroke() | ||
|
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| // Draw cardinal direction labels | ||
| val offset = 2f | ||
| val north = view.toPixel(AugmentedRealityView.HorizonCoordinate(0f, offset)) | ||
| val south = view.toPixel(AugmentedRealityView.HorizonCoordinate(180f, offset)) | ||
| val east = view.toPixel(AugmentedRealityView.HorizonCoordinate(90f, offset)) | ||
| val west = view.toPixel(AugmentedRealityView.HorizonCoordinate(-90f, offset)) | ||
|
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||
| drawLabel(drawer, view, northString, north) | ||
| drawLabel(drawer, view, southString, south) | ||
| drawLabel(drawer, view, eastString, east) | ||
| drawLabel(drawer, view, westString, west) | ||
| } | ||
|
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| private fun drawLabel(drawer: ICanvasDrawer, view: AugmentedRealityView, text: String, position: PixelCoordinate){ | ||
| drawer.textSize(drawer.sp(16f)) | ||
| drawer.fill(labelColor) | ||
| drawer.push() | ||
| drawer.rotate(view.sideInclination, position.x, position.y) | ||
| drawer.text(text, position.x, position.y) | ||
| drawer.pop() | ||
| } | ||
|
|
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| private fun steppedRangeInclusive(min: Int, max: Int, step: Int): List<Int> { | ||
| val values = mutableListOf<Int>() | ||
| for (i in min..max step step) { | ||
| values.add(i) | ||
| } | ||
| if (values.lastOrNull() != max){ | ||
| values.add(max) | ||
| } | ||
| return values | ||
| } | ||
|
|
||
| override fun invalidate() { | ||
| // Do nothing | ||
| } | ||
|
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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 | ||
| } | ||
| } |
58 changes: 0 additions & 58 deletions
58
app/src/main/java/com/kylecorry/trail_sense/tools/augmented_reality/ARHorizonLayer.kt
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51 changes: 0 additions & 51 deletions
51
app/src/main/java/com/kylecorry/trail_sense/tools/augmented_reality/ARNorthLayer.kt
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