open-ar-samples/runtime-building-models/app/src/main/java/it/norangeb/runtimebuildingmodels/MainActivity.kt

94 lines
3.0 KiB
Kotlin

/*
* Copyright (c) 2019, norangebit
*
* This file is part of runtime-building-models.
*
* runtime-building-models is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* runtime-building-models is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with runtime-building-models. If not, see <http://www.gnu.org/licenses/>
*
*/
package it.norangeb.runtimebuildingmodels
import android.os.Bundle
import android.support.v7.app.AppCompatActivity
import android.view.MotionEvent
import com.google.ar.core.HitResult
import com.google.ar.core.Plane
import com.google.ar.sceneform.rendering.Color
import com.google.ar.sceneform.ux.ArFragment
class MainActivity : AppCompatActivity() {
private val TAG = MainActivity::class.java.canonicalName
private lateinit var arFragment: ArFragment
private var count = 0
override fun onCreate(savedInstanceState: Bundle?) {
super.onCreate(savedInstanceState)
if (!checkIsSupportedDeviceOrFinish(this, TAG))
return
setContentView(R.layout.activity_main)
arFragment = supportFragmentManager.findFragmentById(R.id.ar_fragment) as ArFragment
arFragment.setOnTapArPlaneListener(this::addModel)
}
private fun addModel(hitResult: HitResult, plane: Plane, motionEvent: MotionEvent) {
val color = generateColor()
buildMaterial(this, color) {
val node = addTransformableNodeToScene(
arFragment,
hitResult.createAnchor(),
buildShape(generateShape(), it)
)
node.setOnTapListener {_ , _ ->
changeColorOfMaterial(
this,
generateColor(),
node.renderable
)
}
}
}
private fun generateColor(): Color {
val color = when (count++%11) {
0 -> android.graphics.Color.CYAN
1 -> android.graphics.Color.BLUE
2 -> android.graphics.Color.GREEN
3 -> android.graphics.Color.MAGENTA
5 -> android.graphics.Color.BLACK
6 -> android.graphics.Color.DKGRAY
7 -> android.graphics.Color.LTGRAY
8 -> android.graphics.Color.RED
9 -> android.graphics.Color.TRANSPARENT
10 -> android.graphics.Color.WHITE
else -> android.graphics.Color.YELLOW
}
return Color(color)
}
private fun generateShape(): Shape {
return when (count++%3) {
0 -> Shape.CYLINDER
1 -> Shape.CUBE
else -> Shape.SPHERE
}
}
}