Add improved Model SDF generation with sampling offset and min distance accumulation

2024-05-24 14:52:01 +02:00
parent 9acb3a5482
commit 2c80f4402d
1 changed files with 3 additions and 0 deletions
--- a/Source/Engine/Tools/ModelTool/ModelTool.cpp
+++ b/Source/Engine/Tools/ModelTool/ModelTool.cpp
@@ -205,8 +205,11 @@ bool ModelTool::GenerateModelSDF(Model* inputModel, ModelData* modelData, float
                for (int32 sample = 0; sample < sampleCount; sample++)
                {
                    Ray sampleRay(voxelPos, sampleDirections[sample]);
+                    sampleRay.Position -= sampleRay.Direction * 0.0001f; // Apply small margin
                    if (scene.RayCast(sampleRay, hitDistance, hitNormal, hitTriangle))
                    {
+                        if (hitDistance < minDistance)
+                            minDistance = hitDistance;
                        hitCount++;
                        const bool backHit = Float3::Dot(sampleRay.Direction, hitTriangle.GetNormal()) > 0;
                        if (backHit)