Ryan Schmidt rms80
rms80
/ gist:771761c98dc96f17383cff63f754e2b2
Created
December 9, 2016 16:20
profiling different ways to represent vector3f in C#
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| class vector1 | |
| { | |
| public float x, y, z; | |
| public vector1(float x, float y, float z) { this.x = x; this.y = y; this.z = z; } | |
| public float this[int key] | |
| { | |
| get { return (key == 0) ? x : (key == 1) ? y : z; } | |
| set { if (key == 0) x = value; else if (key == 1) y = value; else z = value; } | |
| } | |
| } |
rms80
/ gist:67f0a6164b701241f889dcf776530864
Created
April 20, 2017 16:52
func to generate borders of HUDShapes
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| public static fCurveGameObject MakeBackgroundMeshBorder(HUDShape Shape, float LineWidth, Colorf LineColor) | |
| { | |
| if (Shape.Type == HUDShapeType.Disc) { | |
| fCircleGameObject go = GameObjectFactory.CreateCircleGO("border", Shape.Radius, LineColor, LineWidth); | |
| go.SetSteps(Shape.Slices); | |
| return go; | |
| } else if (Shape.Type == HUDShapeType.Rectangle) { | |
| List<Vector3f> Vertices = new List<Vector3f>() { | |
| new Vector3f(-Shape.Width / 2, 0, -Shape.Height / 2), | |
| new Vector3f(Shape.Width / 2, 0, -Shape.Height / 2), |
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| [2017-05-13 03:13:20.112] [Info] Installation ID: 14d6dc45-bf24-45fe-a790-c834d82648df | |
| [2017-05-13 03:13:20.114] [Info] Operating system: Mac OS X v10.11.6 (10.11.6; Mac OS X 10.11.6 (10.11.6 build version: 15G1217)), 64-bit | |
| [2017-05-13 03:13:20.115] [Info] Installer product: Visual Studio | |
| [2017-05-13 03:13:20.115] [Info] Installer version: 4.0.0.308 (HEAD detached at 1d420fd9) (1d420fd9f355adc77406dc2ec9677b6c2bd7ff14 on 11/05/2017 13:22:51) | |
| [2017-05-13 03:13:20.115] [Info] Status: in progress | |
| [2017-05-13 03:13:21.161] [Debug] Waiting for manifests to finish downloading. | |
| [2017-05-13 03:13:21.161] [Debug] Initial task executing (WaitingForActivation). Waiting for it to finish. | |
| [2017-05-13 03:13:21.368] [Info] Retrieving installation manifest. | |
| [2017-05-13 03:13:21.368] [Info] Downloading from 'https://www.xamarin.com/installer_assets/v3/vsmac/1d420fd9f355adc77406dc2ec9677b6c2bd7ff14/Mac/Universal/InstallationManifest.xml'. | |
| [2017-05-13 03:13:21.369] [Debug] Setting download timeout for 'https://www.xamarin.com/ |
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| // make wilkinson matrix | |
| int N = 7; | |
| double[] matrix = new double[] { | |
| 3, 1, 0, 0, 0, 0, 0, | |
| 1, 2, 1, 0, 0, 0, 0, | |
| 0, 1, 1, 1, 0, 0, 0, | |
| 0, 0, 1, 0, 1, 0, 0, | |
| 0, 0, 0, 1, 1, 1, 0, | |
| 0, 0, 0, 0, 1, 2, 1, |
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| // Tool that should be immediately applied on Activation. | |
| // Not clear how to end it though...don't know hand! | |
| using System; | |
| using System.Collections.Generic; | |
| using System.Linq; | |
| using System.Text; | |
| using g3; |
rms80
/ voxel mesher test
Created
July 14, 2017 02:02
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| float voxelSize = 1.0f; | |
| DMeshSO meshSO = CotangentUI.ActiveScene.FindSceneObjectsOfType<DMeshSO>()[0]; | |
| AxisAlignedBox3f bounds = meshSO.GetTransformedBoundingBox(); | |
| bounds.Expand(2*voxelSize); | |
| Vector3i gridSize = (Vector3i)(bounds.Diagonal / voxelSize); | |
| Bitmap3d bitmap = new Bitmap3d(gridSize); | |
| foreach ( Vector3i idx in bitmap.Indices() ) { |
rms80
/ grab_latest_submodules.bat
Created
November 10, 2017 19:17
update each submodule to most recent commit to master branch
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| REM grab latest commits from server | |
| git submodule update --recursive --remote | |
| REM above command will set current branch to detached HEAD. set back to master. | |
| git submodule foreach git checkout master | |
| REM now do pull to fast-forward to latest commit | |
| git submodule foreach git pull origin master |
rms80
/ gist:c1512d32e9f8ea6ce539801ef111bbf2
Created
April 13, 2018 03:16
MeshInsertUVPolyCurve debugging code
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| // at top of Apply() | |
| DMesh3 saveMesh = new DMesh3(Mesh); | |
| insert_corners(); | |
| DMesh3 pokedMesh = new DMesh3(Mesh); | |
| // to append segments to pokedMesh (in si loop) | |
| MeshEditor.AppendLine(pokedMesh, new Segment3d(Mesh.GetVertex(i0_vid), Mesh.GetVertex(i1_vid)), 0.003f); | |
rms80
/ gist:11f680a32bd36b3c82ef572bb3c18982
Created
July 4, 2018 16:58
Setting face colors in mesh shader
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| //int N = 256; | |
| //Texture2D tex = new Texture2D(N, N, TextureFormat.RFloat, false); | |
| //float[] buffer = new float[N * N]; | |
| //foreach (int tid in startMesh.TriangleIndices()) { | |
| // int v = tid / N; | |
| // int u = tid % N; | |
| // int n = 0; | |
| // Vector3d c = startMesh.GetTriCentroid(tid); | |
| // if (c.x > startMesh.CachedBounds.Center.x) |
rms80
/ gist:daec2304f44ea344486669b7e404e4c0
Last active
October 19, 2020 02:01
Monte Carlo Walk-on-Spheres sampling of a vector field defined on mesh surfaces
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| // Copyright Ryan Schmidt 2020 | |
| // Released under the terms of the Boost License: https://www.boost.org/LICENSE_1_0.txt | |
| static FVector ComputeMonteCarloVectorFieldSample( | |
| FDynamicMesh3& Mesh, | |
| FDynamicMeshAABBTree3& AABBTree, | |
| FVector3d FixedDirection, // target fixed direction. This will be projected onto mesh normals to create vector field that is interpolated | |
| FVector3d WorldPosition, // position we want to sample at | |
| int NumSamples, // How many monte-carlo paths to compute and average | |
| float Epsilon, // path is terminated when we are within Epsilon of boundary constraints (ie mesh) |
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