Updating to [email protected] and [email protected] with a new directory structure.

NvBlast folder is gone, files have been moved to top level directory.  README is changed to reflect this.

8 files changed, 614 insertions, 0 deletions

diff --git a/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs
new file mode 100644
index 0000000..fdb6fa0
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs
@@ -0,0 +1,183 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class CubeAsset
+{
+    public struct DepthInfo
+    {
+        public DepthInfo(Vector3 slices, NvBlastChunkDesc.Flags flag_ = NvBlastChunkDesc.Flags.NoFlags)
+        {
+            this.slicesPerAxis = slices;
+            this.flag = flag_;
+        }
+
+        public Vector3 slicesPerAxis;
+        public NvBlastChunkDesc.Flags flag;
+    };
+
+    public enum BondFlags
+    {
+        NO_BONDS = 0,
+        X_BONDS = 1,
+        Y_BONDS = 2,
+        Z_BONDS = 4,
+        ALL_BONDS = X_BONDS | Y_BONDS | Z_BONDS
+    };
+
+    public class Settings
+    {
+        public List<DepthInfo> depths = new List<DepthInfo>();
+        public Vector3 extents;
+        public BondFlags bondFlags = BondFlags.ALL_BONDS;
+        public float staticHeight = float.NegativeInfinity;
+    };
+
+    public struct BlastChunkCube
+	{
+		public BlastChunkCube(Vector3 position_, Vector3 extents_, bool isStatic_)
+		{
+			this.position = position_;
+            this.extents = extents_;
+            this.isStatic = isStatic_;
+        }
+
+        public Vector3 position;
+        public Vector3 extents;
+        public bool isStatic;
+	};
+
+    public List<BlastChunkCube> chunks = new List<BlastChunkCube>();
+    public NvBlastAssetDesc solverAssetDesc = new NvBlastAssetDesc();
+    public Vector3 extents { get; private set; }
+
+    public static CubeAsset generate(Settings settings)
+    {
+        CubeAsset asset = new CubeAsset();
+        asset.extents = settings.extents;
+
+        List<NvBlastChunkDesc> solverChunks = new List<NvBlastChunkDesc>();
+        List<NvBlastBondDesc> solverBonds = new List<NvBlastBondDesc>();
+
+	    // initial params
+	    List<uint> depthStartIDs = new List<uint>();
+        List<Vector3> depthSlicesPerAxisTotal = new List<Vector3>();
+        uint currentID = 0;
+        Vector3 extents = settings.extents;
+
+	    // Iterate over depths and create children
+	    for (int depth = 0; depth<settings.depths.Count; depth++)
+	    {
+		    Vector3 slicesPerAxis = settings.depths[depth].slicesPerAxis;
+            Vector3 slicesPerAxisTotal = (depth == 0) ? slicesPerAxis : Vector3.Scale(slicesPerAxis, (depthSlicesPerAxisTotal[depth - 1]));
+            depthSlicesPerAxisTotal.Add(slicesPerAxisTotal);
+
+		    depthStartIDs.Add(currentID);
+
+		    extents.x /= slicesPerAxis.x;
+		    extents.y /= slicesPerAxis.y;
+		    extents.z /= slicesPerAxis.z;
+
+		    for (uint z = 0; z< (uint)slicesPerAxisTotal.z; ++z)
+		    {
+			    uint parent_z = z / (uint)slicesPerAxis.z;
+			    for (uint y = 0; y< (uint)slicesPerAxisTotal.y; ++y)
+			    {
+				    uint parent_y = y / (uint)slicesPerAxis.y;
+				    for (uint x = 0; x< (uint)slicesPerAxisTotal.x; ++x)
+				    {
+					    uint parent_x = x / (uint)slicesPerAxis.x;
+                        uint parentID = depth == 0 ? uint.MaxValue :
+                        depthStartIDs[depth - 1] + parent_x + (uint)depthSlicesPerAxisTotal[depth - 1].x * (parent_y + (uint)depthSlicesPerAxisTotal[depth - 1].y * parent_z);
+
+                        Vector3 position;
+                        position.x = ((float)x - (slicesPerAxisTotal.x / 2) + 0.5f) * extents.x;
+					    position.y = ((float)y - (slicesPerAxisTotal.y / 2) + 0.5f) * extents.y;
+					    position.z = ((float)z - (slicesPerAxisTotal.z / 2) + 0.5f) * extents.z;
+
+					    NvBlastChunkDesc chunkDesc;
+
+                        chunkDesc.c0 = position.x;
+                        chunkDesc.c1 = position.y;
+                        chunkDesc.c2 = position.z;
+					    chunkDesc.volume = extents.x * extents.y * extents.z;
+                        chunkDesc.flags = (uint)settings.depths[depth].flag;
+					    chunkDesc.userData = currentID++;
+					    chunkDesc.parentChunkIndex = parentID;
+					    solverChunks.Add(chunkDesc);
+
+					    bool isStatic = false;
+
+					    if (settings.depths[depth].flag == NvBlastChunkDesc.Flags.SupportFlag)
+					    {
+						    isStatic = position.y - (extents.y - asset.extents.y) / 2 <= settings.staticHeight;
+
+						    // x-neighbor
+						    if (x > 0 && (settings.bondFlags & BondFlags.X_BONDS) != 0)
+						    {
+							    Vector3 xNeighborPosition = position - new Vector3(extents.x, 0, 0);
+                                uint neighborID = chunkDesc.userData - 1;
+
+                                fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, xNeighborPosition, extents, extents.y* extents.z);
+                            }
+
+						    // y-neighbor
+						    if (y > 0 && (settings.bondFlags & BondFlags.Y_BONDS) != 0)
+						    {
+							    Vector3 yNeighborPosition = position - new Vector3(0, extents.y, 0);
+                                uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x;
+
+                                fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, yNeighborPosition, extents, extents.z* extents.x);
+						    }
+
+						    // z-neighbor
+						    if (z > 0 && (settings.bondFlags & BondFlags.Z_BONDS) != 0)
+						    {
+							    Vector3 zNeighborPosition = position - new Vector3(0, 0, extents.z);
+                                uint neighborID = chunkDesc.userData - (uint)slicesPerAxisTotal.x * (uint)slicesPerAxisTotal.y;
+
+                                fillBondDesc(solverBonds, chunkDesc.userData, neighborID, position, zNeighborPosition, extents, extents.x* extents.y);
+						    }
+					    }
+
+					    asset.chunks.Add(new BlastChunkCube(position, extents, isStatic));
+				    }
+			    }
+		    }
+	    }
+
+        // Prepare solver asset desc
+        asset.solverAssetDesc.chunkCount = (uint)solverChunks.Count;
+        asset.solverAssetDesc.chunkDescs = solverChunks.ToArray();
+        asset.solverAssetDesc.bondCount = (uint)solverBonds.Count;
+        asset.solverAssetDesc.bondDescs = solverBonds.ToArray();
+
+        // Reorder chunks
+        uint[] chunkReorderMap = new uint[asset.solverAssetDesc.chunkCount];
+        NvBlastExtUtilsWrapper.ReorderAssetDescChunks(asset.solverAssetDesc, chunkReorderMap);
+	    BlastChunkCube[] chunksTemp = asset.chunks.ToArray();
+	    for (uint i = 0; i < chunkReorderMap.Length; ++i)
+	    {
+		    asset.chunks[(int)chunkReorderMap[i]] = chunksTemp[i];
+        }
+
+        return asset;
+    }
+
+    static void fillBondDesc(List<NvBlastBondDesc> bondDescs, uint id0, uint id1, Vector3 pos0, Vector3 pos1, Vector3 size, float area)
+    {
+        NvBlastBondDesc bondDesc = new NvBlastBondDesc();
+        bondDesc.chunk0 = id0;
+        bondDesc.chunk1 = id1;
+        bondDesc.bond.area = area;
+        Vector3 centroid = (pos0 + pos1) * 0.5f;
+        bondDesc.bond.c0 = centroid.x;
+        bondDesc.bond.c1 = centroid.y;
+        bondDesc.bond.c2 = centroid.z;
+        Vector3 normal = (pos0 - pos1).normalized;
+        bondDesc.bond.n0 = normal.x;
+        bondDesc.bond.n1= normal.y;
+        bondDesc.bond.n2 = normal.z;
+        bondDescs.Add(bondDesc);
+    }
+}
diff --git a/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs.meta b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs.meta
new file mode 100644
index 0000000..0a37254
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/CubeAssetGenerator.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: efa082786df108947a6fb5d672c1fb1a
+timeCreated: 1481121968
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/examples/UnityExample/Assets/Scripts/CubeFamily.cs b/examples/UnityExample/Assets/Scripts/CubeFamily.cs
new file mode 100644
index 0000000..fda0760
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/CubeFamily.cs
@@ -0,0 +1,202 @@
+using System;
+using System.Collections;
+using System.Collections.Generic;
+using System.Runtime.InteropServices;
+using UnityEngine;
+
+
+public class CubeFamily : MonoBehaviour
+{
+    public void Initialize(CubeAsset asset)
+    {
+        // Blast asset creation
+        _cubeAsset = asset;
+
+        NvBlastAssetDesc desc = _cubeAsset.solverAssetDesc;
+        _blastAsset = new NvBlastAsset(desc);
+        Debug.Log(_blastAsset.leafChunkCount);
+
+        // Actual Cubes
+        var cubePrefab = Resources.Load<GameObject>("CubePrefab");
+        _cubes = new GameObject[desc.chunkCount];
+        for (int i = 0; i < desc.chunkCount; ++i)
+        {
+            GameObject cube = GameObject.Instantiate<GameObject>(cubePrefab);
+            cube.transform.parent = transform;
+            cube.transform.localScale = _cubeAsset.chunks[i].extents;
+            cube.transform.localPosition = _cubeAsset.chunks[i].position;
+            cube.transform.localRotation = Quaternion.identity;
+            cube.SetActive(false);
+            Color color = Color.HSVToRGB(UnityEngine.Random.Range(0f, 1f), 0.42f, 1.0f);
+            cube.GetComponent<Renderer>().material.color = color;
+            _cubes[i] = cube;
+        }
+
+        // First actor
+        _blastFamily = new NvBlastFamily(_blastAsset);
+
+        NvBlastActorDesc actorDesc = new NvBlastActorDesc();
+        actorDesc.uniformInitialBondHealth = 1.0f;
+        actorDesc.uniformInitialLowerSupportChunkHealth = 1.0f;
+        var actor = new NvBlastActor(_blastFamily, actorDesc);
+        Debug.Log(actor.visibleChunkCount);
+
+        OnActorCreated(actor, Vector3.zero, Quaternion.identity);
+
+        // Reserved buffers
+        _fractureBuffers = new NvBlastFractureBuffers();
+        _fractureBuffers.chunkFractures = Marshal.AllocHGlobal((int)desc.chunkCount * Marshal.SizeOf(typeof(NvBlastChunkFractureData)));
+        _fractureBuffers.bondFractures = Marshal.AllocHGlobal((int)desc.bondCount * Marshal.SizeOf(typeof(NvBlastBondFractureData)));
+        _leafChunkCount = (uint)_blastAsset.leafChunkCount;
+        _newActorsBuffer = Marshal.AllocHGlobal((int)_leafChunkCount * Marshal.SizeOf(typeof(IntPtr)));
+    }
+
+    private void OnActorCreated(NvBlastActor actor, Vector3 localPosition, Quaternion localRotation)
+    {
+        var rigidBodyGO = new GameObject("RigidActor");
+        rigidBodyGO.transform.SetParent(this.transform, false);
+        var rigidbody = rigidBodyGO.AddComponent<Rigidbody>();
+        rigidbody.transform.localPosition = localPosition;
+        rigidbody.transform.localRotation = localRotation;
+
+        // chunks
+        var chunkIndices = actor.visibleChunkIndices;
+        foreach (var chunkIndex in chunkIndices)
+        {
+            var chunkCube = _cubes[chunkIndex];
+            chunkCube.transform.SetParent(rigidbody.transform, false);
+            chunkCube.SetActive(true);
+        }
+
+        // search for static chunks
+        var graphNodeIndices = actor.graphNodeIndices;
+        var chunkGraph = _blastAsset.chunkGraph;
+        foreach(var node in graphNodeIndices)
+        {
+            var chunkIndex = Marshal.ReadInt32(chunkGraph.chunkIndices, Marshal.SizeOf(typeof(UInt32)) * (int)node);
+            var chunkCube = _cubeAsset.chunks[chunkIndex];
+            if(chunkCube.isStatic)
+            {
+                rigidbody.isKinematic = true;
+                break;
+            }
+        }
+
+        actor.userData = rigidbody;
+        _actors.Add(rigidbody, actor);
+    }
+
+    private void OnActorDestroyed(NvBlastActor actor)
+    {
+        var chunkIndices = actor.visibleChunkIndices;
+        foreach (var chunkIndex in chunkIndices)
+        {
+            var chunkCube = _cubes[chunkIndex];
+            chunkCube.transform.SetParent(transform, false);
+            chunkCube.SetActive(false);
+        }
+
+        var rigidbody = (actor.userData as Rigidbody);
+        _actors.Remove(rigidbody);
+        Destroy(rigidbody.gameObject);
+        actor.userData = null;
+    }
+
+    public void ApplyRadialDamage(Vector3 position, float minRadius, float maxRadius, float compressive)
+    {
+        var hits = Physics.OverlapSphere(position, maxRadius);
+        foreach (var hit in hits)
+        {
+            var rb = hit.GetComponentInParent<Rigidbody>();
+            if (rb != null)
+            {
+                ApplyRadialDamage(rb, position, minRadius, maxRadius, compressive);
+            }
+        }
+    }
+
+    public bool ApplyRadialDamage(Rigidbody rb, Vector3 position, float minRadius, float maxRadius, float compressive)
+    {
+        if (_actors.ContainsKey(rb))
+        {
+            Vector3 localPosition = rb.transform.InverseTransformPoint(position);
+            ApplyRadialDamage(_actors[rb], localPosition, minRadius, maxRadius, compressive);
+            return true;
+        }
+        return false;
+    }
+
+    private void ApplyRadialDamage(NvBlastActor actor, Vector3 localPosition, float minRadius, float maxRadius, float compressive)
+    {
+        _fractureBuffers.chunkFractureCount = _cubeAsset.solverAssetDesc.chunkCount;
+        _fractureBuffers.bondFractureCount = _cubeAsset.solverAssetDesc.bondCount;
+
+        NvBlastExtRadialDamageDesc desc = new NvBlastExtRadialDamageDesc();
+        desc.minRadius = minRadius;
+        desc.maxRadius = maxRadius;
+        desc.compressive = compressive;
+        desc.p0 = localPosition.x;
+        desc.p1 = localPosition.y;
+        desc.p2 = localPosition.z;
+
+        if (actor.DamageRadialFalloff(_fractureBuffers, desc, 1, null))
+        {
+            Split(actor);
+        }
+    }
+
+    private void Split(NvBlastActor actor)
+    {
+        NvBlastActorSplitEvent split = new NvBlastActorSplitEvent();
+        split.newActors = _newActorsBuffer;
+        var count = actor.Split(split, _leafChunkCount);
+
+        Vector3 localPosition = Vector3.zero;
+        Quaternion localRotation = Quaternion.identity;
+
+        if (split.deletedActor != IntPtr.Zero)
+        {
+            if (actor.userData != null)
+            {
+                var parentRigidbody = (actor.userData as Rigidbody);
+                localPosition = parentRigidbody.transform.localPosition;
+                localRotation = parentRigidbody.transform.localRotation;
+            }
+            OnActorDestroyed(actor);
+        }
+        for (int i = 0; i < count; i++)
+        {
+            int elementSize = Marshal.SizeOf(typeof(IntPtr));
+            var ptr = Marshal.ReadIntPtr(split.newActors, elementSize * i);
+            OnActorCreated(new NvBlastActor(_blastFamily, ptr), localPosition, localRotation);
+        }
+    }
+
+    private void OnDestroy()
+    {
+        if (_fractureBuffers != null)
+        {
+            Marshal.FreeHGlobal(_fractureBuffers.chunkFractures);
+            Marshal.FreeHGlobal(_fractureBuffers.bondFractures);
+            _fractureBuffers = null;
+        }
+
+        if (_newActorsBuffer != IntPtr.Zero)
+        {
+            Marshal.FreeHGlobal(_newActorsBuffer);
+        }
+
+        _actors.Clear();
+        _blastFamily = null;
+        _blastAsset = null;
+    }
+
+    private CubeAsset _cubeAsset;
+    private NvBlastAsset _blastAsset;
+    private NvBlastFamily _blastFamily;
+    private Dictionary<Rigidbody, NvBlastActor> _actors = new Dictionary<Rigidbody, NvBlastActor>();
+    private GameObject[] _cubes;
+    private NvBlastFractureBuffers _fractureBuffers;
+    private IntPtr _newActorsBuffer;
+    private uint _leafChunkCount;
+}
\ No newline at end of file
diff --git a/examples/UnityExample/Assets/Scripts/CubeFamily.cs.meta b/examples/UnityExample/Assets/Scripts/CubeFamily.cs.meta
new file mode 100644
index 0000000..f61e39a
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/CubeFamily.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 0fe5c9affaa641644b99cb8e384234d4
+timeCreated: 1481725814
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/examples/UnityExample/Assets/Scripts/Demo.cs b/examples/UnityExample/Assets/Scripts/Demo.cs
new file mode 100644
index 0000000..eb60d26
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/Demo.cs
@@ -0,0 +1,120 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class Demo : MonoBehaviour
+{
+    public GameObject hitSphere;
+
+	void Awake ()
+    {
+        generateCity();
+    }
+
+    private void generateCity()
+    {
+        const int BUILDING_TYPE_COUNT = 5;
+        Vector3 BUILDING_MIN_SIZE = new Vector3(10, 10, 10);
+        Vector3 BUILDING_MAX_SIZE = new Vector3(50, 200, 50);
+
+        List<CubeAsset> buildingTypes = new List<CubeAsset>(BUILDING_TYPE_COUNT);
+        for (int i = 0; i < BUILDING_TYPE_COUNT; ++i)
+        {
+            CubeAsset.Settings settings = new CubeAsset.Settings();
+            settings.depths.Add(new CubeAsset.DepthInfo(new Vector3(1, 1, 1), NvBlastChunkDesc.Flags.NoFlags));
+            settings.depths.Add(new CubeAsset.DepthInfo(new Vector3(1, 2, 1), NvBlastChunkDesc.Flags.NoFlags));
+            settings.depths.Add(new CubeAsset.DepthInfo(new Vector3(2, 3, 2), NvBlastChunkDesc.Flags.NoFlags));
+            settings.depths.Add(new CubeAsset.DepthInfo(new Vector3(2, 2, 2), NvBlastChunkDesc.Flags.SupportFlag));
+            settings.extents = new Vector3(Random.Range(BUILDING_MIN_SIZE.x, BUILDING_MAX_SIZE.x), Random.Range(BUILDING_MIN_SIZE.y, BUILDING_MAX_SIZE.y), Random.Range(BUILDING_MIN_SIZE.z, BUILDING_MAX_SIZE.z));
+            settings.staticHeight = 10.0f;
+
+            CubeAsset cubeAsset = CubeAsset.generate(settings);
+
+            buildingTypes.Add(cubeAsset);
+        }
+
+        int totalBuildings = 0;
+
+        const float CITY_HALF_SIZE = 200.0f;
+        const float SPARSITY = 30.0f;
+        const int BUILDING_COUNT_MAX = 20;
+        Vector2 pos = new Vector2(-CITY_HALF_SIZE, -CITY_HALF_SIZE);
+        float buildingYMax = 0.0f;
+        while (pos.y < CITY_HALF_SIZE && totalBuildings < BUILDING_COUNT_MAX)
+        {
+            // random jump
+            pos.x += Random.Range(0.0f, SPARSITY);
+            if(pos.x > CITY_HALF_SIZE)
+            {
+                pos.x = -CITY_HALF_SIZE;
+                pos.y += buildingYMax + Random.Range(0.0f, SPARSITY);
+                buildingYMax = 0.0f;
+                continue;
+            }
+
+            // random bulding type spawn
+            int type = Random.Range(0, buildingTypes.Count);
+            var cubeFamily = (new GameObject("Cube Actor #" + type)).AddComponent<CubeFamily>();
+            CubeAsset asset = buildingTypes[type];
+            cubeFamily.transform.localPosition = new Vector3(pos.x, asset.extents.y / 2.0f, pos.y);
+            pos.x += asset.extents.x;
+            buildingYMax = Mathf.Max(buildingYMax, asset.extents.z);
+            cubeFamily.Initialize(asset);
+            totalBuildings++;
+        }
+    }
+
+    private IEnumerator applyRadialDamage(Vector3 position, float minRadius, float maxRadius, float compressive, float explosive = 3000.0f)
+    {
+        var hits = Physics.OverlapSphere(position, maxRadius);
+        foreach (var hit in hits)
+        {
+            var rb = hit.GetComponentInParent<Rigidbody>();
+            var family = hit.GetComponentInParent<CubeFamily>();
+            if (rb != null && family != null)
+            {
+                family.ApplyRadialDamage(rb, position, minRadius, maxRadius, compressive);
+            }
+        }
+
+        yield return new WaitForEndOfFrame();
+
+        hits = Physics.OverlapSphere(position, maxRadius);
+        foreach (var hit in hits)
+        {
+            var rb = hit.GetComponentInParent<Rigidbody>();
+            if(rb != null)
+            {
+                rb.AddExplosionForce(explosive, position, maxRadius, 3.0f);
+            }
+        }
+    }
+
+    private void Update()
+    {
+        hitSphere.SetActive(false);
+        bool isActive = false;
+        if (true)
+        {
+            var ray = Camera.main.ScreenPointToRay(Input.mousePosition);
+            RaycastHit hit;
+            if(Physics.Raycast(ray, out hit))
+            {
+                hitSphere.transform.position = hit.point;
+                isActive = true;
+            }
+        }
+
+        _hitSphereSize += Input.GetAxis("Mouse ScrollWheel") * 10.0f;
+
+        if (Input.GetMouseButton(0))
+        {
+            StartCoroutine(applyRadialDamage(hitSphere.transform.position, 0.0f, _hitSphereSize, 10.0f));
+        }
+
+        hitSphere.SetActive(isActive);
+        hitSphere.transform.localScale = new Vector3(_hitSphereSize, _hitSphereSize, _hitSphereSize);
+    }
+
+    private float _hitSphereSize = 25.0f;
+}
diff --git a/examples/UnityExample/Assets/Scripts/Demo.cs.meta b/examples/UnityExample/Assets/Scripts/Demo.cs.meta
new file mode 100644
index 0000000..edd0d3b
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/Demo.cs.meta
@@ -0,0 +1,12 @@
+fileFormatVersion: 2
+guid: 7a62789bffb0bef4e9757f9848620e3f
+timeCreated: 1481120125
+licenseType: Free
+MonoImporter:
+  serializedVersion: 2
+  defaultReferences: []
+  executionOrder: 0
+  icon: {instanceID: 0}
+  userData: 
+  assetBundleName: 
+  assetBundleVariant: 
diff --git a/examples/UnityExample/Assets/Scripts/FreeCamera.cs b/examples/UnityExample/Assets/Scripts/FreeCamera.cs
new file mode 100644
index 0000000..1e9fd67
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/FreeCamera.cs
@@ -0,0 +1,61 @@
+using System.Collections;
+using System.Collections.Generic;
+using UnityEngine;
+
+public class FreeCamera : MonoBehaviour
+{
+    public float cameraSensitivity = 90;
+    public float climbSpeed = 4;
+    public float normalMoveSpeed = 10;
+    public float slowMoveFactor = 0.25f;
+    public float fastMoveFactor = 3;
+
+    private float rotationX = 0.0f;
+    private float rotationY = 0.0f;
+
+    void Start()
+    {
+        Cursor.lockState = CursorLockMode.Confined;
+        rotationX = transform.localRotation.eulerAngles.y;
+        rotationY = -transform.localRotation.eulerAngles.x;
+    }
+
+    void Update()
+    {
+        if(!Input.GetMouseButton(1))
+        {
+            return;
+        }
+
+        rotationX += Input.GetAxis("Mouse X") * cameraSensitivity * Time.deltaTime;
+        rotationY += Input.GetAxis("Mouse Y") * cameraSensitivity * Time.deltaTime;
+        rotationY = Mathf.Clamp(rotationY, -90, 90);
+
+        transform.localRotation = Quaternion.AngleAxis(rotationX, Vector3.up);
+        transform.localRotation *= Quaternion.AngleAxis(rotationY, Vector3.left);
+
+        if (Input.GetKey(KeyCode.LeftShift) || Input.GetKey(KeyCode.RightShift))
+        {
+            transform.position += transform.forward * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Vertical") * Time.deltaTime;
+            transform.position += transform.right * (normalMoveSpeed * fastMoveFactor) * Input.GetAxis("Horizontal") * Time.deltaTime;
+        }
+        else if (Input.GetKey(KeyCode.LeftControl) || Input.GetKey(KeyCode.RightControl))
+        {
+            transform.position += transform.forward * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis("Vertical") * Time.deltaTime;
+            transform.position += transform.right * (normalMoveSpeed * slowMoveFactor) * Input.GetAxis("Horizontal") * Time.deltaTime;
+        }
+        else
+        {
+            transform.position += transform.forward * normalMoveSpeed * Input.GetAxis("Vertical") * Time.deltaTime;
+            transform.position += transform.right * normalMoveSpeed * Input.GetAxis("Horizontal") * Time.deltaTime;
+        }
+
+        if (Input.GetKey(KeyCode.Q)) { transform.position -= transform.up * climbSpeed * Time.deltaTime; }
+        if (Input.GetKey(KeyCode.E)) { transform.position += transform.up * climbSpeed * Time.deltaTime; }
+
+        //if (Input.GetKeyDown(KeyCode.End))
+        //{
+        //    Cursor.lockState = (Cursor.lockState == CursorLockMode.Confined) ? CursorLockMode.None : CursorLockMode.Confined;
+        //}
+    }
+}
diff --git a/examples/UnityExample/Assets/Scripts/FreeCamera.cs.meta b/examples/UnityExample/Assets/Scripts/FreeCamera.cs.meta
new file mode 100644
index 0000000..081cae7
--- /dev/null
+++ b/examples/UnityExample/Assets/Scripts/FreeCamera.cs.meta
@@ -0,0 +1,12 @@
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+timeCreated: 1482928025
+licenseType: Free
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