ar code

gistfile1.txt

import android.content.Context
import android.graphics.BitmapFactory
import android.media.MediaPlayer
import android.net.Uri
import android.opengl.Visibility
import androidx.appcompat.app.AppCompatActivity
import android.os.Bundle
import androidx.core.content.ContentProviderCompat.requireContext
import androidx.core.view.isGone
import com.google.android.material.floatingactionbutton.ExtendedFloatingActionButton
import com.google.ar.core.Config
import io.github.sceneview.ar.ArSceneView
import io.github.sceneview.ar.node.ArModelNode
import io.github.sceneview.ar.node.AugmentedImageNode
import io.github.sceneview.ar.node.PlacementMode
import io.github.sceneview.material.setExternalTexture
import io.github.sceneview.math.Position
import io.github.sceneview.math.Rotation
import io.github.sceneview.node.VideoNode

class MainActivity : AppCompatActivity() {

    // AR SceneView instance for rendering AR content
    private lateinit var sceneView: ArSceneView
    // Button for placing the 3D model
    lateinit var placeButton: ExtendedFloatingActionButton
    // Node for the 3D model
    private lateinit var modelNode: ArModelNode

    override fun onCreate(savedInstanceState: Bundle?) {
        super.onCreate(savedInstanceState)
        setContentView(R.layout.activity_main)

        // Initialize UI elements and setup the AR scene
        variableInit()

        // Subscribe to button click events
        subscribeClick()

        // Configure and display the UI elements
        subscribeUI()

    }

    // Subscribes the UI elements to the AR scene
    private fun subscribeUI() {
        // Add the model node to the AR scene
        sceneView.addChild(modelNode)
    }

    // Subscribes the button to click events
    private fun subscribeClick() {
        placeButton.setOnClickListener {
            placeModel()
        }
    }

    // Initialize variables and UI elements
    private fun variableInit() {

        placeButton = findViewById(R.id.place)

        // Find the AR SceneView in the layout and configure it
        sceneView = findViewById<ArSceneView?>(R.id.sceneView).apply {

            // Disable automatic light estimation
            this.lightEstimationMode = Config.LightEstimationMode.DISABLED
        }
        
       

        // Create an AR model node and load the 3D model
        modelNode = ArModelNode(
            sceneView.engine,
            PlacementMode.BEST_AVAILABLE).apply {
            // Load the 3D model asynchronously
            loadModelGlbAsync(
                glbFileLocation = "models/dragon_animation_flying.glb",
                scaleToUnits = 2.0f
            ) {
                // Make the plane renderer visible
                sceneView.planeRenderer.isVisible = true
                // Get the material instance of the model
                val materialInstance = it.materialInstances[0]
            }

            // Set the onAnchorChanged callback
            onAnchorChanged = {
                // Hide the "Place Model" button if the model is anchored
                placeButton.isGone = it != null
            }
        }
    }

    // Function to place the model in the AR scene
    private fun placeModel() {

        // Anchor the model in the scene
        modelNode.anchor()

        // Hide the plane renderer
        sceneView.planeRenderer.isVisible = false

    }
}