private string slicesPath; // path of png slices
#endregion Fields
#region Methods
private RayMarching duplicate(RayMarching original, RayMarching copy)
{
BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Default | BindingFlags.DeclaredOnly;
PropertyInfo[] pinfos = original.GetType().GetProperties(flags);
foreach (var pinfo in pinfos)
{
if (pinfo.CanWrite)
{
try
{
pinfo.SetValue(copy, pinfo.GetValue(original, null), null);
}
catch { } // In case of NotImplementedException being thrown. For some reason specifying that exception didn't seem to catch it, so I didn't catch anything specific.
}
}
FieldInfo[] finfos = original.GetType().GetFields(flags);
foreach (var finfo in finfos)
{
finfo.SetValue(copy, finfo.GetValue(original));
}
return copy;
}
// init function
void Start()
{
this.slicesPath = PlayerPrefs.GetString("SlicesPath");
if (this.slicesPath == "")
{
Debug.LogError("No path for slices was found");
return;
}
// get the middlevr camera and assign the raymarching on it
GameObject camera = GameObject.Find("Camera0");
if (camera == null)
{
Debug.LogError("Camera from MiddleVR was not found");
return;
}
this.middleVRRay = camera.AddComponent<RayMarching>();
this.duplicate(this.RayMarchingPrefab, this.middleVRRay);
this.middleVRRay.ClippingPlane = this.clippingPlane;
this.middleVRRay.CubeTarget = this.cubeTarget;
// load the slices
loadSlices();
}
/// <summary>
/// release:2020-10-16 17:01:32.824: AABB.RayMarch(10000000) : 0,88M per second
/// release:2020-10-21 16:03:01.240: AABB.RayMarch(10000000) : 0,82M per second
/// </summary>
/// <param name="n"></param>
public static void RayMarchingTest(long n = TEST_COUNT)
{
var space = 1000;
var origins = new Vector2f[n];
for (var i = 0; i < n; i++)
{
origins[i] = new Vector2f(
Program.Rng.NextDouble() * space - space / 2,
Program.Rng.NextDouble() * space - space / 2);
}
var directions = new Vector2f[n];
for (var i = 0; i < n; i++)
{
directions[i] = new Vector2f(Program.Rng.NextDouble() - 0.5, Program.Rng.NextDouble() - 0.5)
.Normalize();
}
var objects = new AABB[]
{
new AABB(new Vector2f(space / -8), new Vector2f(space / -8) + new Vector2f(space / 4))
}.Select(a => a as ISdf).ToArray();
var start = Program.Elapsed();
for (var i = 0; i < n; i++)
{
RayMarching.Distance(objects, origins[i], directions[i], out Vector2f normal);
}
Log.Add($"AABB.RayMarch({ n }): { (n / (Program.Elapsed() - start) / 1000.0):0.00}M per second");
}
// init function
void Start()
{
this.slicesPath = PlayerPrefs.GetString("SlicesPath");
if (this.slicesPath == "")
{
Debug.LogError("No path for slices was found");
return;
}
// get the middlevr camera and assign the raymarching on it
GameObject camera = GameObject.Find("Camera0");
if (camera == null)
{
Debug.LogError("Camera from MiddleVR was not found");
return;
}
this.middleVRRay = camera.AddComponent <RayMarching>();
this.duplicate(this.RayMarchingPrefab, this.middleVRRay);
this.middleVRRay.ClippingPlane = this.clippingPlane;
this.middleVRRay.CubeTarget = this.cubeTarget;
// load the slices
loadSlices();
}
// Use this for initialization
void Start()
{
manager = GetComponent <RayMarching>();
Hashtable ht = iTween.Hash("from", 0, "to", 99.0f, "time", tweenTime, "onupdate", "TweenX", "easetype", iTween.EaseType.easeInOutSine, "looptype", iTween.LoopType.pingPong);
iTween.ValueTo(gameObject, ht);
}
// Use this for initialization
void Start()
{
UnityEngine.Debug.Log("Start init RayMarching");
RayMarching ray = GameObject.Find("Camera0").GetComponent <RayMarching>();
ray.setShaders(compositeShader, renderFrontDepthShader, renderBackDepthShader, rayMarchShader);
ray.setTarget();
SliceMesh s = GameObject.Find("Camera0").GetComponent <SliceMesh> ();
s.setSize(mesh);
UnityEngine.Debug.Log("End init RayMarching");
}
private RayMarching duplicate(RayMarching original, RayMarching copy)
{
BindingFlags flags = BindingFlags.Public | BindingFlags.NonPublic | BindingFlags.Instance | BindingFlags.Default | BindingFlags.DeclaredOnly;
PropertyInfo[] pinfos = original.GetType().GetProperties(flags);
foreach (var pinfo in pinfos)
{
if (pinfo.CanWrite)
{
try
{
pinfo.SetValue(copy, pinfo.GetValue(original, null), null);
}
catch { } // In case of NotImplementedException being thrown. For some reason specifying that exception didn't seem to catch it, so I didn't catch anything specific.
}
}
FieldInfo[] finfos = original.GetType().GetFields(flags);
foreach (var finfo in finfos)
{
finfo.SetValue(copy, finfo.GetValue(original));
}
return(copy);
}
static void Main(string[] args)
{
RenderWindow window = new RenderWindow(new VideoMode(1000, 800), "RayMatchingTest");
World world = new World();
RayMarching rayMarching = new RayMarching(world);
Texture texture = new Texture("Blank.bmp");
Font font = new Font("Font.ttf");
Text fpsLabel = new Text("", font);
Circle o = new Circle
{
Color = Color.Magenta,
Position = new Vector2f(300, 300),
Radius = 10
};
Box rect = new Box(0, 0, 200, 50);
Random random = new Random();
int actualTick = Environment.TickCount;
int actualFps = 0, fpsCounter = 0;
window.SetVisible(true);
for (int i = 0; i < 10; i++)
{
switch (random.Next(0, 6))
{
case 0:
world.Objects.Add(new HorizontalLine((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y, random.Next(10, 200)));
break;
case 1:
world.Objects.Add(new VerticalLine((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y, random.Next(10, 200)));
break;
case 2:
world.Objects.Add(new Circle((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y, random.Next(10, 100)));
break;
case 3:
world.Objects.Add(new Box((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y,
random.Next(10, 100),
random.Next(10, 100)));
break;
case 4:
world.Objects.Add(new RotatedBox((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y,
random.Next(10, 100),
random.Next(10, 100),
random.Next(0, 360)));
break;
case 5:
world.Objects.Add(new Line((float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y,
(float)random.NextDouble() * window.Size.X,
(float)random.NextDouble() * window.Size.Y));
break;
}
}
rect.Color = Color.Black;
fpsLabel.Position = new Vector2f(10, 10);
actualTick = Environment.TickCount;
while (window.IsOpen)
{
window.DispatchEvents();
if (Environment.TickCount - actualTick >= 1000)
{
actualTick = Environment.TickCount;
actualFps = fpsCounter;
fpsCounter = 0;
}
fpsCounter++;
if (Keyboard.IsKeyPressed(Keyboard.Key.Escape))
{
window.Close();
}
Vector2i mouse = Mouse.GetPosition(window);
if (Mouse.IsButtonPressed(Mouse.Button.Left))
{
o.Position = new Vector2f(mouse.X, mouse.Y);
window.Clear();
}
world.Objects.ForEach(obj => obj.Color = Color.White);
window.Clear();
foreach (Body body in world.Objects)
{
body.Render(window, texture);
}
MarchingCollision result = rayMarching.CastRay(o.Position, Atan2D(new Vector2f(mouse.X, mouse.Y), o.Position));
if (result.Object != null)
{
result.Object.Color = Color.Green;
}
o.Render(window, texture);
window.Draw(new Vertex[]
{
new Vertex
{
Position = result.Position,
Color = Color.Red
},
new Vertex
{
Position = o.Position,
Color = o.Color
}
}, 0, 2, PrimitiveType.Lines, RenderStates.Default);
rect.Render(window, texture);
fpsLabel.DisplayedString = $"Fps: {actualFps} - {result.TextureCoord}";
window.Draw(fpsLabel);
window.Display();
Thread.Sleep(0);
}
}
