Files
hexapod-robot/2026-current/Hexapod_Simulation_Unity/ProjectSettings/Physics2DSettings.asset
T
mangavalkandClaude Opus 5.5 935526eab5 Firmware simulation, Unity project, and sim-verified robot fixes
Simulation
- sim/: the unchanged robot firmware compiled into hexapod_sim.dll
  against PC stand-ins (Arduino, Servo, Wire + register-level MPU6050,
  RF24 with matching-config radio), a kinematic body model (support
  plane + planted-foot odometry) that also drives the simulated IMU,
  and a headless smoke test (sim_smoke). build.ps1 builds and tests.
- Hexapod_Simulation_Unity/ folded in (history kept in a bundle
  outside the repo). Assets/HexapodSim loads the DLL, drives the
  existing leg rig, and offers joystick / keyboard / robot-serial
  input plus a test panel.

Robot (all found or confirmed in the simulation)
- Config.h geometry taken from the Unity model.
- IK femur elevation sign, gait stance direction, body pose
  rotation direction, yaw lever arm.
- Stance feet integrated from the current command; gait restarts at
  mid-stance; heading integrates the applied turn rate, only while
  walking.
- Leg clearance and reach checks (Limits::feetFeasible); walk command
  and body pose scaled as a whole, pose scale rate-limited, planted
  feet guarded so the body never snaps or legs collide.
- Robot-gyro self-leveling as an integrator.
- Heading mode: steering relative to the body; S walks backward.
- Standing height from the remote (STANCE_HEIGHT_RANGE_MM).

Protocol v3 (reflash both boards)
- CmdPacket gains body_height (22 bytes).

Remote
- Height slider (Nextion hHeight/nHeight, serial [ ]).
- Fixed unspecified I2C read order in RemoteIMU.

LEGACY/: owner's old Nextion HMI and remote hardware assets.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-29 00:37:12 +02:00

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%YAML 1.1
%TAG !u! tag:unity3d.com,2011:
--- !u!19 &1
Physics2DSettings:
m_ObjectHideFlags: 0
serializedVersion: 3
m_Gravity: {x: 0, y: -9.81}
m_DefaultMaterial: {fileID: 0}
m_VelocityIterations: 8
m_PositionIterations: 3
m_VelocityThreshold: 1
m_MaxLinearCorrection: 0.2
m_MaxAngularCorrection: 8
m_MaxTranslationSpeed: 100
m_MaxRotationSpeed: 360
m_BaumgarteScale: 0.2
m_BaumgarteTimeOfImpactScale: 0.75
m_TimeToSleep: 0.5
m_LinearSleepTolerance: 0.01
m_AngularSleepTolerance: 2
m_DefaultContactOffset: 0.01
m_AutoSimulation: 1
m_QueriesHitTriggers: 1
m_QueriesStartInColliders: 1
m_ChangeStopsCallbacks: 0
m_CallbacksOnDisable: 1
m_AutoSyncTransforms: 1
m_AlwaysShowColliders: 0
m_ShowColliderSleep: 1
m_ShowColliderContacts: 0
m_ShowColliderAABB: 0
m_ContactArrowScale: 0.2
m_ColliderAwakeColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.7529412}
m_ColliderAsleepColor: {r: 0.5686275, g: 0.95686275, b: 0.54509807, a: 0.36078432}
m_ColliderContactColor: {r: 1, g: 0, b: 1, a: 0.6862745}
m_ColliderAABBColor: {r: 1, g: 1, b: 0, a: 0.2509804}
m_LayerCollisionMatrix: ffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffffff