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Display 3D buildings with 3D lights

Extrude the building layer in the Mapbox Standard style and set up the light position.
Lights3DActivity.kt
package com.mapbox.maps.testapp.examples.terrain3D

import android.graphics.Color
import android.os.Bundle
import androidx.appcompat.app.AppCompatActivity
import com.mapbox.geojson.Point
import com.mapbox.maps.CameraOptions
import com.mapbox.maps.Style
import com.mapbox.maps.extension.style.light.generated.ambientLight
import com.mapbox.maps.extension.style.light.generated.directionalLight
import com.mapbox.maps.extension.style.light.setLight
import com.mapbox.maps.testapp.databinding.ActivityFillExtrusionBinding

/**
* Extrude the building layer in the Mapbox Standard style
* and set up the light position.
*/
class Lights3DActivity : AppCompatActivity() {

private var isRedColor: Boolean = false
private lateinit var binding: ActivityFillExtrusionBinding

override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
binding = ActivityFillExtrusionBinding.inflate(layoutInflater)
setContentView(binding.root)
val mapboxMap = binding.mapView.mapboxMap
mapboxMap.setCamera(
CameraOptions.Builder()
.center(Point.fromLngLat(24.943849, 60.171924))
.bearing(-17.6)
.pitch(45.0)
.zoom(16.0)
.build()
)

mapboxMap.loadStyle(
Style.STANDARD
) { style ->
setupLights3D(style)
}
}

private fun setupLights3D(style: Style) {
// setup 3d light
val ambientLight = ambientLight(AMBIENT_LIGHT_ID) {
color(Color.WHITE)
intensity(0.5)
}
val directionalLight = directionalLight(DIRECTIONAL_LIGHT_ID) {
color(Color.YELLOW)
intensity(0.9)
castShadows(true)
direction(listOf(0.0, 15.0))
}
style.setLight(
ambientLight,
directionalLight,
)
// change color on fab click
binding.fabLightColor.setOnClickListener {
isRedColor = !isRedColor
if (isRedColor) {
ambientLight.color(Color.RED)
} else {
ambientLight.color(Color.WHITE)
}
}

binding.fabLightPosition.setOnClickListener {
directionalLight.direction(listOf(0.0, (directionalLight.direction!![1] + 5.0) % 90.0))
}
}

private companion object {
private const val AMBIENT_LIGHT_ID = "ambient_id"
private const val DIRECTIONAL_LIGHT_ID = "directional_id"
}
}
この{Type}は役に立ちましたか?