public BasicEntity(ModelDefinition modelbb, MaterialEffect material, Vector3 position, double angleZ, double angleX, double angleY, Vector3 scale, MeshMaterialLibrary library = null, Entity physicsObject = null)
{
Id = IdGenerator.GetNewId();
Name = GetType().Name + " " + Id;
WorldTransform = new TransformMatrix(Matrix.Identity, Id);
ModelDefinition = modelbb;
Model = modelbb.Model;
BoundingBox = modelbb.BoundingBox;
BoundingBoxOffset = modelbb.BoundingBoxOffset;
SignedDistanceField = modelbb.SDF;
Material = material;
Position = position;
Scale = scale;
RotationMatrix = Matrix.CreateRotationX((float)angleX) * Matrix.CreateRotationY((float)angleY) *
Matrix.CreateRotationZ((float)angleZ);
if (library != null)
{
RegisterInLibrary(library);
}
if (physicsObject != null)
{
RegisterPhysics(physicsObject);
}
WorldTransform.World = Matrix.CreateScale(Scale) * RotationMatrix * Matrix.CreateTranslation(Position);
WorldTransform.Scale = Scale;
WorldTransform.InverseWorld = Matrix.Invert(Matrix.CreateTranslation(BoundingBoxOffset * Scale) * RotationMatrix * Matrix.CreateTranslation(Position));
}
public void Run(SignedDistanceFieldGenerator _generator, SignedDistanceField _target)
{
generator = _generator;
target = _target;
tex = new Texture2D(generator.m_x_dims, generator.m_y_dims, TextureFormat.RGBAFloat, false);
outside_grid = new float[generator.m_pixels.Length];
inside_grid = new float[generator.m_pixels.Length];
col_buff = new Color[generator.m_pixels.Length];
target.m_texture = tex;
target.StartCoroutine(SweepRoutine());
}
public BasicEntity(ModelDefinition modelbb, MaterialEffect material, Vector3 position, Matrix rotationMatrix, Vector3 scale)
{
Id = IdGenerator.GetNewId();
Name = GetType().Name + " " + Id;
WorldTransform = new TransformMatrix(Matrix.Identity, Id);
Model = modelbb.Model;
ModelDefinition = modelbb;
BoundingBox = modelbb.BoundingBox;
BoundingBoxOffset = modelbb.BoundingBoxOffset;
SignedDistanceField = modelbb.SDF;
Material = material;
Position = position;
RotationMatrix = rotationMatrix;
Scale = scale;
RotationMatrix = rotationMatrix;
WorldTransform.World = Matrix.CreateScale(Scale) * RotationMatrix * Matrix.CreateTranslation(Position);
WorldTransform.Scale = Scale;
WorldTransform.InverseWorld = Matrix.Invert(Matrix.CreateTranslation(BoundingBoxOffset * Scale) * RotationMatrix * Matrix.CreateTranslation(Position));
}
private void GenerateData(int xsteps, int ysteps, int zsteps, SignedDistanceField volumeTex, ref float[] data, int threadindex, int numberOfThreads, Triangle[] triangles)
{
int xi, yi, zi;
float volumeTexSizeX = volumeTex.VolumeSize.X;
float volumeTexSizeY = volumeTex.VolumeSize.Y;
float volumeTexSizeZ = volumeTex.VolumeSize.Z;
Vector3 offset = new Vector3(volumeTex.Offset.X, volumeTex.Offset.Y, volumeTex.Offset.Z);
int i = 0;
for (xi = 0; xi < xsteps; xi++)
{
for (yi = 0; yi < ysteps; yi++)
{
for (zi = 0; zi < zsteps; zi++)
{
//Only do it for the current thread!
if (i++ % numberOfThreads != threadindex)
{
continue;
}
Vector3 position = new Vector3(xi * volumeTexSizeX * 2.0f / (xsteps - 1) - volumeTexSizeX,
yi * volumeTexSizeY * 2.0f / (ysteps - 1) - volumeTexSizeY,
zi * volumeTexSizeZ * 2.0f / (zsteps - 1) - volumeTexSizeZ) + offset;
float color = ComputeSDF(position, triangles);
data[toTexCoords(xi, yi, zi, xsteps, zsteps)] = color;
if (threadindex == 0)
{
GameStats.sdf_load = (xi + (yi + zi / (float)zsteps) / (float)ysteps) / (float)xsteps;
}
}
}
}
}
public RenderTarget2D CreateSDFTexture(GraphicsDevice graphics, Texture2D triangleData, int xsteps, int ysteps, int zsteps, SignedDistanceField sdf, FullScreenTriangle fullScreenTriangle, int trianglesLength)
{
RenderTarget2D output = new RenderTarget2D(graphics, xsteps * zsteps, ysteps, false, SurfaceFormat.Single, DepthFormat.None);
graphics.SetRenderTarget(output);
//Offset isntead of position!
_volumeTexResolutionArray[0] = new Vector4(xsteps, ysteps, zsteps, 0);
_volumeTexSizeArray[0] = sdf.VolumeSize;
_volumeTexSizeParam.SetValue(_volumeTexSizeArray);
_volumeTexResolutionParam.SetValue(_volumeTexResolutionArray);
MeshOffset = sdf.Offset;
VolumeTex = triangleData;
_triangleTexResolution.SetValue(new Vector2(triangleData.Width, triangleData.Height));
_triangleAmount.SetValue((float)trianglesLength);
_generateSDFPass.Apply();
fullScreenTriangle.Draw(graphics);
_signedDistanceFieldDefinitionsCount = -1;
return(output);
}
public SDFFigure(SignedDistanceField sdf, IMaterial material)
{
this.sdf = sdf;
this.Material = material;
}
public void GenerateDistanceFields(BasicEntity entity, GraphicsDevice graphics, DistanceFieldRenderModule distanceFieldRenderModule, FullScreenTriangle fullScreenTriangle)
{
SignedDistanceField uncomputedSignedDistanceField = entity.SignedDistanceField;
Model unprocessedModel = entity.Model;
//Set to false so it won't get covered in future
uncomputedSignedDistanceField.NeedsToBeGenerated = false;
uncomputedSignedDistanceField.IsLoaded = false;
uncomputedSignedDistanceField.SdfTexture?.Dispose();
//First generate tris
Triangle[] triangles;
GenerateTriangles(unprocessedModel, out triangles);
int xsteps = (int)uncomputedSignedDistanceField.TextureResolution.X;
int ysteps = (int)uncomputedSignedDistanceField.TextureResolution.Y;
int zsteps = (int)uncomputedSignedDistanceField.TextureResolution.Z;
Texture2D output;
if (!GameSettings.sdf_cpu)
{
Stopwatch stopwatch = Stopwatch.StartNew();
int maxwidth = 4096; //16384
int requiredData = triangles.Length * 3;
int x = maxwidth;//Math.Min(requiredData, maxwidth);
int y = requiredData / x + 1;
Vector4[] data = new Vector4[x * y];
int index = 0;
for (int i = 0; i < triangles.Length; i++, index += 3)
{
data[index] = new Vector4(triangles[i].a, 0);
data[index + 1] = new Vector4(triangles[i].b, 0);
data[index + 2] = new Vector4(triangles[i].c, 0);
}
//16k
Texture2D triangleData = new Texture2D(graphics, x, y, false, SurfaceFormat.Vector4);
triangleData.SetData(data);
output = distanceFieldRenderModule.CreateSDFTexture(graphics, triangleData, xsteps, ysteps,
zsteps, uncomputedSignedDistanceField, fullScreenTriangle, triangles.Length);
stopwatch.Stop();
Debug.Write("\nSDF generated in " + stopwatch.ElapsedMilliseconds + "ms on GPU");
float[] texData = new float[xsteps * ysteps * zsteps];
output.GetData(texData);
string path = uncomputedSignedDistanceField.TexturePath;
DataStream.SaveImageData(texData, xsteps, ysteps, zsteps, path);
uncomputedSignedDistanceField.TextureResolution = new Vector4(xsteps, ysteps, zsteps, 0);
uncomputedSignedDistanceField.SdfTexture = output;
uncomputedSignedDistanceField.IsLoaded = true;
}
else
{
generateTask = Task.Factory.StartNew(() =>
{
output = new Texture2D(graphics, xsteps * zsteps, ysteps, false, SurfaceFormat.Single);
float[] data = new float[xsteps * ysteps * zsteps];
Stopwatch stopwatch = Stopwatch.StartNew();
int numberOfThreads = GameSettings.sdf_threads;
if (numberOfThreads > 1)
{
Task[] threads = new Task[numberOfThreads - 1];
//Make local datas
float[][] dataArray = new float[numberOfThreads][];
for (int index = 0; index < threads.Length; index++)
{
int i = index;
dataArray[index + 1] = new float[xsteps * ysteps * zsteps];
threads[i] = Task.Factory.StartNew(() =>
{
GenerateData(xsteps, ysteps, zsteps, uncomputedSignedDistanceField,
ref dataArray[i + 1], i + 1,
numberOfThreads, triangles);
});
}
dataArray[0] = data;
GenerateData(xsteps, ysteps, zsteps, uncomputedSignedDistanceField, ref dataArray[0], 0,
numberOfThreads, triangles);
Task.WaitAll(threads);
//Something broke?
for (int i = 0; i < data.Length; i++)
{
//data[i] = dataArray[i % numberOfThreads][i];
for (int j = 0; j < numberOfThreads; j++)
{
if (dataArray[j][i] != 0)
{
data[i] = dataArray[j][i];
break;
}
}
}
for (var index2 = 0; index2 < threads.Length; index2++)
{
threads[index2].Dispose();
}
}
else
{
GenerateData(xsteps, ysteps, zsteps, uncomputedSignedDistanceField, ref data, 0,
numberOfThreads, triangles);
}
stopwatch.Stop();
Debug.Write("\nSDF generated in " + stopwatch.ElapsedMilliseconds + "ms with " +
GameSettings.sdf_threads + " thread(s)");
string path = uncomputedSignedDistanceField.TexturePath;
DataStream.SaveImageData(data, xsteps, ysteps, zsteps, path);
output.SetData(data);
uncomputedSignedDistanceField.TextureResolution = new Vector4(xsteps, ysteps, zsteps, 0);
uncomputedSignedDistanceField.SdfTexture = output;
uncomputedSignedDistanceField.IsLoaded = true;
});
}
}
public UnionSDF(SignedDistanceField a, SignedDistanceField b)
{
this.a = a;
this.b = b;
}
public override void OnInspectorGUI()
{
serializedObject.Update();
DrawDefaultInspector();
SignedDistanceField field = (SignedDistanceField)target;
if (GUILayout.Button("BF line"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(16, 16);
generator.BFLine(new Vector2(3.5f, 8.5f), new Vector2(12.5f, 8.5f));
field.m_texture = generator.End();
}
if (GUILayout.Button("1 BF circle"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(16, 16);
generator.BFCircle(new Vector2(8, 8), 4);
field.m_texture = generator.End();
}
if (GUILayout.Button("1 BF rectangle"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(16, 16);
generator.BFRect(new Vector2(3, 5), new Vector2(12, 10));
field.m_texture = generator.End();
}
if (GUILayout.Button("2 BF circles"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(16, 16);
generator.BFCircle(new Vector2(5, 7), 3);
generator.BFCircle(new Vector2(10, 8), 3.5f);
field.m_texture = generator.End();
}
if (GUILayout.Button("2 close BF rectangles"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(64, 64);
generator.BFRect(new Vector2(4, 4), new Vector2(60, 35));
generator.BFRect(new Vector2(4, 34), new Vector2(60, 60));
field.m_texture = generator.End();
}
if (GUILayout.Button("1 padded line"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(32, 32);
generator.PLine(new Vector2(8, 15), new Vector2(23, 20), 5);
field.m_texture = generator.End();
}
if (GUILayout.Button("1 padded circle"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(32, 32);
generator.PCircle(new Vector2(16, 16), 7, 5);
field.m_texture = generator.End();
}
if (GUILayout.Button("1 padded rectangle"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(32, 32);
generator.PRect(new Vector2(10, 12), new Vector2(20, 18), 5);
field.m_texture = generator.End();
}
if (GUILayout.Button("Clear none edge pixels"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(64, 64);
//generator.BFRect(new Vector2(4, 4), new Vector2(60, 35));
//generator.BFRect(new Vector2(4, 34), new Vector2(60, 60));
generator.PCircle(new Vector2(20, 28), 12, 5);
generator.PCircle(new Vector2(40, 32), 14, 5);
generator.ClearAndMarkNoneEdgePixels();
field.m_texture = generator.End();
}
if (GUILayout.Button("Sweep close rectangle pixels"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(64, 64);
generator.BFRect(new Vector2(4, 4), new Vector2(60, 35));
generator.BFRect(new Vector2(4, 34), new Vector2(60, 60));
generator.Sweep();
field.m_texture = generator.End();
}
if (GUILayout.Button("Sweep close circles"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator(512, 512);
generator.PCircle(new Vector2(160, 224), 92, 5);
generator.PCircle(new Vector2(340, 256), 103, 5);
generator.EikonalSweep();
field.m_texture = generator.End();
}
if (GUILayout.Button("Load texture"))
{
SignedDistanceFieldGenerator generator = new SignedDistanceFieldGenerator();
generator.LoadFromTextureAntiAliased(Resources.Load <Texture2D>("cathires"));
generator.EikonalSweep();
generator.Downsample();
generator.Soften(3);
field.m_texture = generator.End();
}
if (GUILayout.Button("Make noise texture"))
{
field.m_noise_texture = new Texture2D(256, 256, TextureFormat.RGBAFloat, false);
Color[] cols = GenerateNoiseGrid(256, 256, 4, 8f, 2f, 0.5f);
field.m_noise_texture.SetPixels(cols);
field.m_noise_texture.Apply();
}
serializedObject.ApplyModifiedProperties();
}
public IntersectSDF(SignedDistanceField a, SignedDistanceField b)
{
this.a = a;
this.b = b;
}