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perf(physics): reuse reset-complete transition scratch

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Mirror retail's ten-deep LIFO transition lifetime, retain all query scratch with complete reset contracts, and remove Tier-0 enum boxing without changing collision decisions. Fresh and retained engines are bit-identical across the expanded oracle, while measured transition profiles now allocate 0 bytes per resolve.
This commit is contained in:
Erik 2026-07-25 14:37:02 +02:00
parent 2effba5127
commit 16d182c2f0
19 changed files with 3037 additions and 1228 deletions
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8
tests/AcDream.Core.Tests/Physics/TerrainSurfaceTests.cs
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@ -134,9 +134,13 @@ public class TerrainSurfaceTests
var sample = surface.SampleSurfacePolygon(2f, 2f);
Assert.Equal(3, sample.Vertices.Length);
Assert.All(sample.Vertices, v => Assert.Equal(50f, v.Z));
for (int i = 0; i < sample.Vertices.Length; i++)
Assert.Equal(50f, sample.Vertices[i].Z);
Assert.Equal(1f, sample.Normal.Z, precision: 3);
Assert.Contains(sample.Vertices, v => v.X == 0f && v.Y == 0f);
Assert.True(
sample.Vertices.V0.X == 0f && sample.Vertices.V0.Y == 0f
|| sample.Vertices.V1.X == 0f && sample.Vertices.V1.Y == 0f
|| sample.Vertices.V2.X == 0f && sample.Vertices.V2.Y == 0f);
}
[Fact]