Neith Todos Part2

Phase 42: Neith Engine — Game & Application Engine#

The core game/application engine with rendering, physics, audio, and gameplay systems rivaling Unreal Engine and Unity.#

42.1 @neith/renderer — Real-Time Rendering Pipeline#

Industry-leading rendering with global illumination and virtualized geometry.

42.1.1 Render Graph System#

• 42.1.1.1 Design frame graph architecture
• 42.1.1.2 Implement automatic resource lifetime management
• 42.1.1.3 Create render pass dependencies and ordering
• 42.1.1.4 Implement resource aliasing and memory reuse
• 42.1.1.5 Create async compute integration
• 42.1.1.6 Implement transient resource allocation
• 42.1.1.7 Create render graph compilation and optimization
• 42.1.1.8 Implement conditional passes
• 42.1.1.9 Create render graph debugging visualization
• 42.1.1.10 Implement render graph serialization
• 42.1.1.11 Create multi-view rendering (VR stereo)
• 42.1.1.12 Implement tile-based rendering optimization
• 42.1.1.13 Create render graph profiling
• 42.1.1.14 Implement dynamic resolution scaling
• 42.1.1.15 Create render graph hot-reload

42.1.2 GPU-Driven Rendering#

• 42.1.2.1 Implement GPU culling (frustum, occlusion)
• 42.1.2.2 Create indirect draw call system
• 42.1.2.3 Implement GPU-driven LOD selection
• 42.1.2.4 Create mesh cluster rendering
• 42.1.2.5 Implement visibility buffer rendering
• 42.1.2.6 Create GPU scene representation
• 42.1.2.7 Implement persistent mapped buffers
• 42.1.2.8 Create bindless resource management
• 42.1.2.9 Implement GPU instance culling
• 42.1.2.10 Create two-phase occlusion culling
• 42.1.2.11 Implement Hi-Z occlusion buffer
• 42.1.2.12 Create GPU-driven shadow culling
• 42.1.2.13 Implement batch merging
• 42.1.2.14 Create GPU sorting (radix sort)
• 42.1.2.15 Implement GPU compaction

42.1.3 PBR Material System#

• 42.1.3.1 Implement standard PBR model (metallic-roughness)
• 42.1.3.2 Create specular-glossiness workflow
• 42.1.3.3 Implement multi-layer materials
• 42.1.3.4 Create subsurface scattering (SSS)
• 42.1.3.5 Implement anisotropic materials
• 42.1.3.6 Create clear coat materials
• 42.1.3.7 Implement sheen for cloth
• 42.1.3.8 Create transmission for glass
• 42.1.3.9 Implement iridescence/thin-film
• 42.1.3.10 Create material layering and blending
• 42.1.3.11 Implement parallax occlusion mapping
• 42.1.3.12 Create detail textures and tiling
• 42.1.3.13 Implement texture bombing
• 42.1.3.14 Create procedural texturing nodes
• 42.1.3.15 Implement material LOD

42.1.4 Material Graph Editor#

• 42.1.4.1 Design node-based material editor
• 42.1.4.2 Implement material node types (math, texture, utility)
• 42.1.4.3 Create custom function nodes
• 42.1.4.4 Implement material compilation to shaders
• 42.1.4.5 Create material preview rendering
• 42.1.4.6 Implement material instancing
• 42.1.4.7 Create material parameter collections
• 42.1.4.8 Implement material templates
• 42.1.4.9 Create material versioning
• 42.1.4.10 Implement material debugging
• 42.1.4.11 Create shader variant compilation
• 42.1.4.12 Implement shader permutation management
• 42.1.4.13 Create material documentation generation
• 42.1.4.14 Implement material validation
• 42.1.4.15 Create material import/export

42.1.5 Global Illumination#

• 42.1.5.1 Implement screen-space global illumination (SSGI)
• 42.1.5.2 Create signed distance field (SDF) scene
• 42.1.5.3 Implement SDF ray tracing
• 42.1.5.4 Create surface cache for radiance
• 42.1.5.5 Implement infinite diffuse bounces
• 42.1.5.6 Create radiance cache with temporal stability
• 42.1.5.7 Implement probe-based GI fallback
• 42.1.5.8 Create irradiance volumes
• 42.1.5.9 Implement light probe placement
• 42.1.5.10 Create reflection probes
• 42.1.5.11 Implement planar reflections
• 42.1.5.12 Create screen-space reflections (SSR)
• 42.1.5.13 Implement hardware ray tracing GI (RTX)
• 42.1.5.14 Create hybrid software/hardware GI
• 42.1.5.15 Implement GI baking for mobile

42.1.6 Shadow System#

• 42.1.6.1 Implement cascaded shadow maps (CSM)
• 42.1.6.2 Create virtual shadow maps (VSM)
• 42.1.6.3 Implement shadow caching
• 42.1.6.4 Create per-object shadows
• 42.1.6.5 Implement contact hardening shadows (PCSS)
• 42.1.6.6 Create ray-traced shadows
• 42.1.6.7 Implement area light shadows
• 42.1.6.8 Create shadow bias and normal offset
• 42.1.6.9 Implement shadow filtering (PCF, PCSS)
• 42.1.6.10 Create translucent shadows
• 42.1.6.11 Implement colored shadows
• 42.1.6.12 Create shadow LOD
• 42.1.6.13 Implement shadow culling
• 42.1.6.14 Create shadow debugging
• 42.1.6.15 Implement shadow rendering optimization

42.1.7 Lighting System#

• 42.1.7.1 Implement directional lights with atmosphere
• 42.1.7.2 Create point lights with attenuation
• 42.1.7.3 Implement spot lights with cookies
• 42.1.7.4 Create area lights (rect, disc, sphere)
• 42.1.7.5 Implement IES light profiles
• 42.1.7.6 Create emissive materials as lights
• 42.1.7.7 Implement light functions (animated lights)
• 42.1.7.8 Create clustered forward rendering
• 42.1.7.9 Implement deferred rendering path
• 42.1.7.10 Create visibility buffer shading
• 42.1.7.11 Implement light prioritization
• 42.1.7.12 Create light baking
• 42.1.7.13 Implement volumetric lighting
• 42.1.7.14 Create god rays
• 42.1.7.15 Implement light debugging

42.1.8 Virtualized Geometry (Nanite-class)#

• 42.1.8.1 Implement mesh clustering algorithm
• 42.1.8.2 Create hierarchical LOD generation
• 42.1.8.3 Implement cluster culling
• 42.1.8.4 Create software rasterizer for small triangles
• 42.1.8.5 Implement hardware rasterizer path
• 42.1.8.6 Create visibility buffer
• 42.1.8.7 Implement deferred material evaluation
• 42.1.8.8 Create streaming from disk
• 42.1.8.9 Implement GPU-resident geometry
• 42.1.8.10 Create mesh compression
• 42.1.8.11 Implement predictive loading
• 42.1.8.12 Create impostor fallback
• 42.1.8.13 Implement displacement mapping
• 42.1.8.14 Create tessellation integration
• 42.1.8.15 Implement virtualized geometry debugging

42.1.9 Post-Processing#

• 42.1.9.1 Implement tone mapping (ACES, filmic, custom)
• 42.1.9.2 Create color grading with LUTs
• 42.1.9.3 Implement bloom with energy conservation
• 42.1.9.4 Create depth of field (bokeh, Gaussian)
• 42.1.9.5 Implement motion blur (camera, per-object)
• 42.1.9.6 Create chromatic aberration
• 42.1.9.7 Implement lens distortion
• 42.1.9.8 Create film grain
• 42.1.9.9 Implement vignette
• 42.1.9.10 Create sharpen filters
• 42.1.9.11 Implement anti-aliasing (TAA, FXAA, SMAA)
• 42.1.9.12 Create upscaling (FSR, custom)
• 42.1.9.13 Implement SSAO (GTAO, HBAO)
• 42.1.9.14 Create auto-exposure
• 42.1.9.15 Implement post-process volumes

42.1.10 Atmospheric Rendering#

• 42.1.10.1 Implement physical sky model
• 42.1.10.2 Create Rayleigh and Mie scattering
• 42.1.10.3 Implement sun disk rendering
• 42.1.10.4 Create moon and celestial bodies
• 42.1.10.5 Implement star field
• 42.1.10.6 Create procedural clouds (volumetric)
• 42.1.10.7 Implement cloud shadows
• 42.1.10.8 Create fog (height, distance, volumetric)
• 42.1.10.9 Implement underwater rendering
• 42.1.10.10 Create atmospheric LUT precomputation
• 42.1.10.11 Implement time-of-day system
• 42.1.10.12 Create weather effects integration
• 42.1.10.13 Implement aerial perspective
• 42.1.10.14 Create sky capture for reflections
• 42.1.10.15 Implement procedural aurora

42.2 @neith/physics — Multi-Physics Simulation#

Comprehensive physics supporting rigid bodies, soft bodies, fluids, and destruction.

42.2.1 Rigid Body Dynamics#

• 42.2.1.1 Implement broadphase collision detection (SAP, BVH)
• 42.2.1.2 Create narrowphase collision (GJK, EPA)
• 42.2.1.3 Implement collision shapes (box, sphere, capsule, convex, mesh)
• 42.2.1.4 Create compound collision shapes
• 42.2.1.5 Implement collision filtering (layers, groups)
• 42.2.1.6 Create physics materials (friction, restitution)
• 42.2.1.7 Implement contact point generation
• 42.2.1.8 Create contact manifold caching
• 42.2.1.9 Implement constraint solver (sequential impulse)
• 42.2.1.10 Create joint types (fixed, hinge, slider, ball, spring)
• 42.2.1.11 Implement motor constraints
• 42.2.1.12 Create breakable constraints
• 42.2.1.13 Implement sleeping/waking
• 42.2.1.14 Create continuous collision detection (CCD)
• 42.2.1.15 Implement physics interpolation

42.2.2 Character Physics#

• 42.2.2.1 Implement capsule character controller
• 42.2.2.2 Create ground detection and snapping
• 42.2.2.3 Implement slope handling
• 42.2.2.4 Create step climbing
• 42.2.2.5 Implement ledge grabbing detection
• 42.2.2.6 Create swimming/floating
• 42.2.2.7 Implement ladder climbing
• 42.2.2.8 Create wall running/climbing
• 42.2.2.9 Implement character-character collision
• 42.2.2.10 Create pushback and depenetration
• 42.2.2.11 Implement crouching and prone
• 42.2.2.12 Create platform riding
• 42.2.2.13 Implement variable gravity
• 42.2.2.14 Create jetpack/flying
• 42.2.2.15 Implement grappling hook physics

42.2.3 Vehicle Physics#

• 42.2.3.1 Implement wheeled vehicle simulation
• 42.2.3.2 Create tire friction model (Pacejka-style)
• 42.2.3.3 Implement suspension (spring-damper)
• 42.2.3.4 Create differential types (open, limited slip, locked)
• 42.2.3.5 Implement engine simulation (torque curves)
• 42.2.3.6 Create transmission (manual, automatic)
• 42.2.3.7 Implement braking (ABS, handbrake)
• 42.2.3.8 Create aerodynamics (drag, downforce)
• 42.2.3.9 Implement tracked vehicles
• 42.2.3.10 Create hover vehicles
• 42.2.3.11 Implement boats/watercraft
• 42.2.3.12 Create aircraft physics
• 42.2.3.13 Implement spacecraft physics
• 42.2.3.14 Create motorcycle/bike physics
• 42.2.3.15 Implement vehicle damage

42.2.4 Ragdoll Physics#

• 42.2.4.1 Implement ragdoll skeleton setup
• 42.2.4.2 Create bone collision shapes
• 42.2.4.3 Implement joint limits
• 42.2.4.4 Create powered ragdoll (active ragdoll)
• 42.2.4.5 Implement ragdoll blending with animation
• 42.2.4.6 Create partial ragdoll (upper/lower body)
• 42.2.4.7 Implement hit reactions
• 42.2.4.8 Create death poses
• 42.2.4.9 Implement ragdoll getting up
• 42.2.4.10 Create ragdoll dragging
• 42.2.4.11 Implement ragdoll throwing
• 42.2.4.12 Create ragdoll stability
• 42.2.4.13 Implement ragdoll LOD
• 42.2.4.14 Create ragdoll pooling
• 42.2.4.15 Implement ragdoll debugging

42.2.5 Cloth Simulation#

• 42.2.5.1 Implement mass-spring cloth
• 42.2.5.2 Create position-based dynamics (PBD) cloth
• 42.2.5.3 Implement GPU cloth simulation
• 42.2.5.4 Create cloth collision with world
• 42.2.5.5 Implement cloth self-collision
• 42.2.5.6 Create cloth-character collision
• 42.2.5.7 Implement cloth tearing
• 42.2.5.8 Create cloth wind interaction
• 42.2.5.9 Implement cloth wetness
• 42.2.5.10 Create cloth LOD
• 42.2.5.11 Implement cloth painting (constraints)
• 42.2.5.12 Create backstop constraints
• 42.2.5.13 Implement distance constraints
• 42.2.5.14 Create bending constraints
• 42.2.5.15 Implement cloth debugging

42.2.6 Soft Body Physics#

• 42.2.6.1 Implement tetrahedral mesh soft bodies
• 42.2.6.2 Create volume preservation
• 42.2.6.3 Implement pressure simulation
• 42.2.6.4 Create soft body collision
• 42.2.6.5 Implement soft body cutting
• 42.2.6.6 Create muscle simulation
• 42.2.6.7 Implement fat jiggle physics
• 42.2.6.8 Create breast/body physics
• 42.2.6.9 Implement inflatable objects
• 42.2.6.10 Create soft body attachments
• 42.2.6.11 Implement soft body LOD
• 42.2.6.12 Create GPU soft body
• 42.2.6.13 Implement rope/cable physics
• 42.2.6.14 Create chain physics
• 42.2.6.15 Implement rubber/elastic materials

42.2.7 Fluid Simulation#

• 42.2.7.1 Implement SPH (Smoothed Particle Hydrodynamics)
• 42.2.7.2 Create FLIP/APIC fluid
• 42.2.7.3 Implement GPU fluid simulation
• 42.2.7.4 Create fluid-rigid body interaction
• 42.2.7.5 Implement fluid surface reconstruction
• 42.2.7.6 Create foam and spray particles
• 42.2.7.7 Implement bubbles
• 42.2.7.8 Create viscosity (honey, mud, lava)
• 42.2.7.9 Implement fluid emission and absorption
• 42.2.7.10 Create fluid containers
• 42.2.7.11 Implement multiphase fluids (oil/water)
• 42.2.7.12 Create surface tension
• 42.2.7.13 Implement fluid caching
• 42.2.7.14 Create fluid LOD
• 42.2.7.15 Implement fluid rendering (refraction, caustics)

42.2.8 Destruction System#

• 42.2.8.1 Implement Voronoi fracture generation
• 42.2.8.2 Create artist-guided destruction patterns
• 42.2.8.3 Implement real-time fracture
• 42.2.8.4 Create pre-fractured meshes
• 42.2.8.5 Implement damage accumulation
• 42.2.8.6 Create structural integrity simulation
• 42.2.8.7 Implement progressive collapse
• 42.2.8.8 Create debris generation
• 42.2.8.9 Implement dust and particle effects
• 42.2.8.10 Create destruction sound integration
• 42.2.8.11 Implement destruction networking
• 42.2.8.12 Create destruction save/load
• 42.2.8.13 Implement destruction repair
• 42.2.8.14 Create destruction LOD
• 42.2.8.15 Implement destruction performance budget

42.3 @neith/audio — Spatial Audio Engine#

Complete audio system with HRTF, room acoustics, and procedural audio.

42.3.1 Audio Core#

• 42.3.1.1 Implement audio mixer with routing
• 42.3.1.2 Create audio bus system
• 42.3.1.3 Implement audio format conversion
• 42.3.1.4 Create audio resampling
• 42.3.1.5 Implement audio playback (one-shot, looping)
• 42.3.1.6 Create audio streaming from disk
• 42.3.1.7 Implement audio compression (Vorbis, Opus)
• 42.3.1.8 Create audio pooling
• 42.3.1.9 Implement audio priority and virtualization
• 42.3.1.10 Create audio ducking
• 42.3.1.11 Implement audio fading
• 42.3.1.12 Create audio snapshots
• 42.3.1.13 Implement audio parameter automation
• 42.3.1.14 Create audio event system
• 42.3.1.15 Implement audio profiling

42.3.2 Spatial Audio#

• 42.3.2.1 Implement HRTF (Head-Related Transfer Function)
• 42.3.2.2 Create personalized HRTF from ear photos
• 42.3.2.3 Implement ambisonics (1st-3rd order)
• 42.3.2.4 Create binaural rendering
• 42.3.2.5 Implement distance attenuation models
• 42.3.2.6 Create Doppler effect
• 42.3.2.7 Implement sound occlusion
• 42.3.2.8 Create sound obstruction
• 42.3.2.9 Implement sound portals
• 42.3.2.10 Create sound propagation
• 42.3.2.11 Implement head tracking integration
• 42.3.2.12 Create listener focus modeling
• 42.3.2.13 Implement multi-listener support
• 42.3.2.14 Create spatial audio debugging
• 42.3.2.15 Implement spatial audio profiling

42.3.3 Room Acoustics#

• 42.3.3.1 Implement real-time reverb
• 42.3.3.2 Create early reflections (ray-traced)
• 42.3.3.3 Implement late reverberation
• 42.3.3.4 Create material absorption coefficients
• 42.3.3.5 Implement room geometry analysis
• 42.3.3.6 Create acoustic probe baking
• 42.3.3.7 Implement dynamic acoustic updates
• 42.3.3.8 Create acoustic zone blending
• 42.3.3.9 Implement outdoor acoustics
• 42.3.3.10 Create underwater acoustics
• 42.3.3.11 Implement cave acoustics
• 42.3.3.12 Create stadium acoustics
• 42.3.3.13 Implement vehicle interior acoustics
• 42.3.3.14 Create acoustic simulation debugging
• 42.3.3.15 Implement acoustic presets

42.3.4 DSP Effects#

• 42.3.4.1 Implement EQ (parametric, graphic)
• 42.3.4.2 Create compressor/limiter
• 42.3.4.3 Implement reverb (algorithmic, convolution)
• 42.3.4.4 Create delay (simple, ping-pong, tape)
• 42.3.4.5 Implement chorus/flanger/phaser
• 42.3.4.6 Create distortion/saturation
• 42.3.4.7 Implement pitch shifting
• 42.3.4.8 Create time stretching
• 42.3.4.9 Implement filter (low-pass, high-pass, band-pass)
• 42.3.4.10 Create vocoder
• 42.3.4.11 Implement noise gate
• 42.3.4.12 Create tremolo/vibrato
• 42.3.4.13 Implement ring modulation
• 42.3.4.14 Create bitcrusher
• 42.3.4.15 Implement custom effect graph

42.3.5 Procedural Audio#

• 42.3.5.1 Implement granular synthesis
• 42.3.5.2 Create physics-driven sound
• 42.3.5.3 Implement impact sounds
• 42.3.5.4 Create rolling/sliding sounds
• 42.3.5.5 Implement wind sounds
• 42.3.5.6 Create water sounds
• 42.3.5.7 Implement fire sounds
• 42.3.5.8 Create footstep system
• 42.3.5.9 Implement vehicle engine synthesis
• 42.3.5.10 Create weapon sounds
• 42.3.5.11 Implement ambient soundscapes
• 42.3.5.12 Create creature vocalizations
• 42.3.5.13 Implement instrument simulation
• 42.3.5.14 Create UI sounds
• 42.3.5.15 Implement audio-reactive visuals

42.3.6 Music System#

• 42.3.6.1 Implement adaptive music system
• 42.3.6.2 Create horizontal re-sequencing
• 42.3.6.3 Implement vertical layering
• 42.3.6.4 Create musical transitions
• 42.3.6.5 Implement beat-synchronized events
• 42.3.6.6 Create tempo detection
• 42.3.6.7 Implement key detection
• 42.3.6.8 Create music stingers
• 42.3.6.9 Implement music playlists
• 42.3.6.10 Create music intensity curves
• 42.3.6.11 Implement combat music system
• 42.3.6.12 Create exploration music system
• 42.3.6.13 Implement menu music handling
• 42.3.6.14 Create music memory management
• 42.3.6.15 Implement music debugging

42.4 @neith/ecs — Entity Component System#

High-performance ECS architecture for game logic.

42.4.1 ECS Core#

• 42.4.1.1 Implement archetype-based storage
• 42.4.1.2 Create entity ID generation (generational)
• 42.4.1.3 Implement component registration
• 42.4.1.4 Create sparse set storage option
• 42.4.1.5 Implement component addition/removal
• 42.4.1.6 Create entity creation/destruction
• 42.4.1.7 Implement component iteration (query)
• 42.4.1.8 Create change detection
• 42.4.1.9 Implement component relations
• 42.4.1.10 Create entity hierarchy (parent/child)
• 42.4.1.11 Implement entity prefabs
• 42.4.1.12 Create entity serialization
• 42.4.1.13 Implement entity cloning
• 42.4.1.14 Create entity debugging
• 42.4.1.15 Implement ECS benchmarks

42.4.2 Query System#

• 42.4.2.1 Implement component queries
• 42.4.2.2 Create query filtering (with, without, changed)
• 42.4.2.3 Implement query caching
• 42.4.2.4 Create parallel query iteration
• 42.4.2.5 Implement query batching
• 42.4.2.6 Create optional component access
• 42.4.2.7 Implement relation queries
• 42.4.2.8 Create singleton queries
• 42.4.2.9 Implement query combinators
• 42.4.2.10 Create query statistics
• 42.4.2.11 Implement query debugging
• 42.4.2.12 Create query validation
• 42.4.2.13 Implement reactive queries
• 42.4.2.14 Create query optimization
• 42.4.2.15 Implement query serialization

42.4.3 System Scheduling#

• 42.4.3.1 Implement system registration
• 42.4.3.2 Create system ordering (before, after)
• 42.4.3.3 Implement system sets/stages
• 42.4.3.4 Create parallel system execution
• 42.4.3.5 Implement system conditions
• 42.4.3.6 Create run criteria
• 42.4.3.7 Implement exclusive systems
• 42.4.3.8 Create system parameters
• 42.4.3.9 Implement system local state
• 42.4.3.10 Create system profiling
• 42.4.3.11 Implement system debugging
• 42.4.3.12 Create system hot-reload
• 42.4.3.13 Implement system visualization
• 42.4.3.14 Create system documentation
• 42.4.3.15 Implement system validation

42.4.4 Resources & Events#

• 42.4.4.1 Implement global resources
• 42.4.4.2 Create resource initialization
• 42.4.4.3 Implement resource access patterns
• 42.4.4.4 Create resource change detection
• 42.4.4.5 Implement event sending
• 42.4.4.6 Create event reading
• 42.4.4.7 Implement event ordering
• 42.4.4.8 Create event batching
• 42.4.4.9 Implement event debugging
• 42.4.4.10 Create command buffers
• 42.4.4.11 Implement deferred operations
• 42.4.4.12 Create command batching
• 42.4.4.13 Implement command ordering
• 42.4.4.14 Create command debugging
• 42.4.4.15 Implement command validation

42.5 @neith/scripting — Scripting Integration#

Multi-language scripting for game logic.

42.5.1 Lua Integration#

• 42.5.1.1 Implement Lua VM embedding (mlua)
• 42.5.1.2 Create Rust-Lua type marshaling
• 42.5.1.3 Implement function binding
• 42.5.1.4 Create userdata for complex types
• 42.5.1.5 Implement metatables for OOP
• 42.5.1.6 Create coroutine support
• 42.5.1.7 Implement module system
• 42.5.1.8 Create sandboxing
• 42.5.1.9 Implement memory limits
• 42.5.1.10 Create instruction limits
• 42.5.1.11 Implement hot-reload
• 42.5.1.12 Create debugging support
• 42.5.1.13 Implement profiling
• 42.5.1.14 Create autocomplete data
• 42.5.1.15 Implement Lua test framework

42.5.2 WASM Integration#

• 42.5.2.1 Implement WASM runtime (wasmtime)
• 42.5.2.2 Create host function bindings
• 42.5.2.3 Implement memory management
• 42.5.2.4 Create resource limits
• 42.5.2.5 Implement WASI support
• 42.5.2.6 Create component model support
• 42.5.2.7 Implement async WASM
• 42.5.2.8 Create WASM compilation caching
• 42.5.2.9 Implement WASM hot-reload
• 42.5.2.10 Create WASM debugging
• 42.5.2.11 Implement WASM profiling
• 42.5.2.12 Create multi-language support (Rust, C, AssemblyScript)
• 42.5.2.13 Implement WASM plugin discovery
• 42.5.2.14 Create WASM versioning
• 42.5.2.15 Implement WASM sandboxing

42.5.3 Visual Scripting#

• 42.5.3.1 Design visual scripting node system
• 42.5.3.2 Implement node types (flow, data, event)
• 42.5.3.3 Create node connections
• 42.5.3.4 Implement node execution
• 42.5.3.5 Create variable nodes
• 42.5.3.6 Implement function nodes
• 42.5.3.7 Create event nodes
• 42.5.3.8 Implement flow control (if, loop, sequence)
• 42.5.3.9 Create math nodes
• 42.5.3.10 Implement ECS integration nodes
• 42.5.3.11 Create visual script compilation
• 42.5.3.12 Implement visual script debugging
• 42.5.3.13 Create visual script profiling
• 42.5.3.14 Implement visual script versioning
• 42.5.3.15 Create visual script templates

42.6 @neith/animation — Animation System#

Skeletal animation, blending, and procedural animation.

42.6.1 Skeletal Animation#

• 42.6.1.1 Implement skeleton data structure
• 42.6.1.2 Create animation clip storage
• 42.6.1.3 Implement animation sampling
• 42.6.1.4 Create pose blending
• 42.6.1.5 Implement additive blending
• 42.6.1.6 Create animation layers
• 42.6.1.7 Implement masked animation
• 42.6.1.8 Create animation compression
• 42.6.1.9 Implement animation streaming
• 42.6.1.10 Create animation events/notifies
• 42.6.1.11 Implement root motion
• 42.6.1.12 Create animation curves
• 42.6.1.13 Implement animation mirroring
• 42.6.1.14 Create animation LOD
• 42.6.1.15 Implement animation debugging

42.6.2 Animation State Machine#

• 42.6.2.1 Implement state machine graph
• 42.6.2.2 Create state transitions
• 42.6.2.3 Implement transition conditions
• 42.6.2.4 Create blend trees
• 42.6.2.5 Implement 1D blend spaces
• 42.6.2.6 Create 2D blend spaces
• 42.6.2.7 Implement state machine layers
• 42.6.2.8 Create sub-state machines
• 42.6.2.9 Implement state entry/exit events
• 42.6.2.10 Create transition interruption
• 42.6.2.11 Implement state machine debugging
• 42.6.2.12 Create state machine profiling
• 42.6.2.13 Implement state machine serialization
• 42.6.2.14 Create state machine hot-reload
• 42.6.2.15 Implement state machine templates

42.6.3 Inverse Kinematics#

• 42.6.3.1 Implement FABRIK solver
• 42.6.3.2 Create CCD (Cyclic Coordinate Descent) solver
• 42.6.3.3 Implement two-bone IK
• 42.6.3.4 Create full-body IK
• 42.6.3.5 Implement look-at IK
• 42.6.3.6 Create aim IK
• 42.6.3.7 Implement foot IK (ground adaptation)
• 42.6.3.8 Create hand IK
• 42.6.3.9 Implement IK constraints (limits, poles)
• 42.6.3.10 Create IK blending
• 42.6.3.11 Implement IK targets
• 42.6.3.12 Create IK debugging
• 42.6.3.13 Implement IK profiling
• 42.6.3.14 Create IK presets
• 42.6.3.15 Implement physics-based IK

42.6.4 Procedural Animation#

• 42.6.4.1 Implement procedural walk cycle
• 42.6.4.2 Create procedural idle motion
• 42.6.4.3 Implement procedural breathing
• 42.6.4.4 Create procedural eye movement
• 42.6.4.5 Implement procedural head tracking
• 42.6.4.6 Create procedural tail/tentacle
• 42.6.4.7 Implement procedural wing flapping
• 42.6.4.8 Create procedural spider/insect legs
• 42.6.4.9 Implement secondary motion (jiggle)
• 42.6.4.10 Create spring bones (hair, cloth)
• 42.6.4.11 Implement motion matching
• 42.6.4.12 Create pose warping
• 42.6.4.13 Implement trajectory matching
• 42.6.4.14 Create animation blending with physics
• 42.6.4.15 Implement locomotion system

42.6.5 Facial Animation#

• 42.6.5.1 Implement blend shape system
• 42.6.5.2 Create facial rig
• 42.6.5.3 Implement ARKit blend shapes
• 42.6.5.4 Create viseme-based lip sync
• 42.6.5.5 Implement audio-driven lip sync
• 42.6.5.6 Create AI-driven lip sync
• 42.6.5.7 Implement facial action coding system (FACS)
• 42.6.5.8 Create emotion presets
• 42.6.5.9 Implement eye gaze
• 42.6.5.10 Create blink system
• 42.6.5.11 Implement micro-expressions
• 42.6.5.12 Create facial performance capture
• 42.6.5.13 Implement facial animation retargeting
• 42.6.5.14 Create facial LOD
• 42.6.5.15 Implement facial debugging

Phase 42 Summary — Neith Engine#