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test(anim): CurrentOmega — speedMod scaling for TurnRight cycles

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Fills in the test coverage gap for the rotational side of the
sequence-wide physics. Symmetric to the existing
CurrentVelocity_ScalesWithSpeedMod test: at speedMod=2.0 a
MotionData.Omega of (0,0,1) surfaces as (0,0,2). This is what the
omega rotation-integrator in TickAnimations reads each tick. 660
tests green.

Co-Authored-By: Claude Opus 4.7 (1M context) <noreply@anthropic.com>
This commit is contained in:
Erik 2026-04-19 10:48:01 +02:00
parent fca0f7c112
commit f844613295
1 changed files with 31 additions and 0 deletions
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31
tests/AcDream.Core.Tests/Physics/AnimationSequencerTests.cs
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@ -1174,6 +1174,37 @@ public sealed class AnimationSequencerTests
Assert.Equal(1.5f, seq.CurrentSpeedMod, 3);
}
[Fact]
public void CurrentOmega_ReflectsMotionDataOmega()
{
// A turn cycle with MotionData.Omega = (0, 0, 1) rad/sec (yaw)
// should surface as CurrentOmega = (0, 0, 1) after SetCycle.
// Scales with speedMod exactly like Velocity.
const uint Style = 0x003Du;
const uint Motion = 0x000Du; // TurnRight
const uint AnimId = 0x03000701u;
var anim = Fixtures.MakeAnim(4, 1, Vector3.Zero, Quaternion.Identity);
var setup = Fixtures.MakeSetup(1);
var mt = new MotionTable();
mt.DefaultStyle = (DRWMotionCommand)Style;
int cycleKey = (int)((Style << 16) | (Motion & 0xFFFFFFu));
var md = new MotionData { Flags = MotionDataFlags.HasOmega, Omega = new Vector3(0, 0, 1.0f) };
QualifiedDataId<Animation> qid = AnimId;
md.Anims.Add(new AnimData { AnimId = qid, LowFrame = 0, HighFrame = -1, Framerate = 10f });
mt.Cycles[cycleKey] = md;
var loader = new FakeLoader();
loader.Register(AnimId, anim);
var seq = new AnimationSequencer(setup, mt, loader);
seq.SetCycle(Style, Motion, speedMod: 2f);
// Omega scales by speedMod — 1.0 × 2 = 2 rad/sec.
Assert.Equal(2.0f, seq.CurrentOmega.Z, 3);
}
[Fact]
public void CurrentVelocity_PersistsThroughLinkTransition()
{