81 lines
2.6 KiB
Kotlin
81 lines
2.6 KiB
Kotlin
/*
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* Copyright (c) 2019, norangebit
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*
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* This file is part of collision.
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*
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* collision is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* (at your option) any later version.
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*
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* collision is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with collision. If not, see <http://www.gnu.org/licenses/>
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*
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*/
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package it.norangeb.collision
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import android.os.Bundle
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import android.support.v7.app.AppCompatActivity
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import android.view.MotionEvent
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import android.widget.Toast
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import com.google.ar.core.HitResult
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import com.google.ar.core.Plane
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import com.google.ar.sceneform.FrameTime
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import com.google.ar.sceneform.Node
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import com.google.ar.sceneform.Scene
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import com.google.ar.sceneform.rendering.Color
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import com.google.ar.sceneform.ux.ArFragment
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class MainActivity : AppCompatActivity() {
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private val TAG = MainActivity::class.java.canonicalName
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private lateinit var arFragment: ArFragment
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private lateinit var arScene: Scene
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private var lastNode: Node? = null
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override fun onCreate(savedInstanceState: Bundle?) {
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super.onCreate(savedInstanceState)
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if (!checkIsSupportedDeviceOrFinish(this, TAG))
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return
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setContentView(R.layout.activity_main)
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arFragment = supportFragmentManager.findFragmentById(R.id.ar_fragment) as ArFragment
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arScene = arFragment.arSceneView.scene
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arFragment.setOnTapArPlaneListener(this::addShape)
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arScene.addOnUpdateListener(this::onUpdate)
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}
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private fun onUpdate(frameTime: FrameTime) {
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val node = lastNode ?: return
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val overlappedNodes = arScene.overlapTestAll(node)
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if (overlappedNodes.isNotEmpty())
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onCollision(overlappedNodes)
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}
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private fun onCollision(nodes: List<Node>) {
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Toast.makeText(this, "collision", Toast.LENGTH_LONG).show()
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lastNode?.isEnabled = false
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lastNode = null
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}
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private fun addShape(hitResult: HitResult, plane: Plane, motionEvent: MotionEvent) {
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val red = Color(android.graphics.Color.RED)
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buildMaterial(this, red) {
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val cube = buildShape(Shape.CUBE, it)
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lastNode = addNodeToScene(arFragment, hitResult.createAnchor(), cube)
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}
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}
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}
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