macbear_3d 0.7.2 copy "macbear_3d: ^0.7.2" to clipboard
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Published 4 days ago
SDKFlutter
PlatformAndroidiOSmacOSweb
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Metadata

Macbear 3D is a lightweight 3D rendering engine for Flutter, built on Google ANGLE (OpenGL ES).

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0.7.2 #

  • Update:
    • Geometry: Added M3Axis axis support for Torus, Capsule, Cylinder, and Plane geometries for flexible base orientation.
    • Input: Added keyboard zoom support (+, -) in M3CameraOrbitController.
    • Rendering: Integrated renderShadowMap into M3RenderEngine and refined shadow map API.
    • Cleanup: Removed physicsUpAxis from M3Entity (geometry orientation now handled at the mesh/buffer level).
    • Scene: Added MassiveScene for engine stress testing.
    • Video Texture: Merged m3_video_bridge sub-package into the main engine.
    • Plugin Conversion: macbear_3d is now a Flutter plugin to support native video textures on Android, iOS, and macOS.
    • Publishing: Resolved path dependency issues for pub.dev publication.

0.7.1 #

  • Update:
    • Assets: Moved fonts into the package assets (assets/fonts).
    • BVH Loader: Added support for Biovision Hierarchy (BVH) files.
    • Bone Mesh: Added M3OctahedralGeom for bone visualization.

0.7.0 #

  • Update:
    • OpenGL ES 3.0 Support: Upgraded unified shaders from ES2 to ES3 (GLSL 3.00 ES).
    • ES2 Cleanup: Moved legacy ES2 shaders to shaders_discard directory.
    • Enhanced Rendering: Enabled PBR and IBL by default in main examples for superior visual quality.
    • Platform & Graphics info: Added PlatformInfo and GraphicsInfo for cross-platform GPU metadata (Vendor, Renderer, GLSL version) and GL extension checking.
    • Dynamic Reflection Probe: Added M3ReflectionProbe for real-time cubemap capture and dynamic reflections.
    • Internal: Improved engine disposal and minor texture unbind cleanup.

0.6.1 #

  • Add:
    • Support Web build: Optimized for WebGL and Flutter Web integration.
    • Live Demo: Created automatic deployment to GitHub Pages.

0.6.0 #

  • Add:
    • Terrain System: Procedural terrain generation using Perlin Noise (M3TerrainGeom, M3PerlinNoise).
    • PBR Shading: Support for Physically Based Rendering (metallic, roughness) in M3Material.
    • IBL (Image-Based Lighting): Environment-based realistic lighting using cubemaps.
    • Shader Refactoring: Modular shader architecture with unified pixel shader (Pixel.es2.frag).
    • Web Support: Fixed text rendering alignment and platform-specific WebGL constraints.
    • Platform Abstraction: Separated logic for Native and Web (PlatformInfo).
    • GUI System: Adopted Flutter Widgets for UI.

0.5.0 #

  • Add:
    • Reflection: Added cubemap-based reflection (renderReflection).

0.4.0 #

  • Add:
    • Core Engine: Refactored updateRender to use delta duration for precise physics and animation timing.
    • Skinned Meshes: Fixed world-space bounding box calculations and improved animation stability.
    • Resource Management: Improved handling of font assets and added loading state support.

0.3.0 #

  • Add:
    • Cascaded Shadow Maps (CSM): Support for multiple shadow cascades (up to 4) for high-quality shadows over large distances.
    • Shadow Stability: Implemented bounding sphere-based cascade calculation and texel snapping to eliminate shadow shimmering.
    • Shadow Quality: Improved shadow pass to use front-face (CCW) rendering to prevent edge light leakage.
    • Dynamic Shadow Mode Switching: Ability to switch between standard shadow mapping and CSM at runtime.
    • Performance Optimizations: Efficient shadow atlas management and reduced draw calls for shadows.

0.2.0 #

  • Add:
    • Bounding Volumes: Automatic AABB and Bounding Sphere calculation for all geometries.
    • Resource Manager: Centralized system for loading and caching assets (geometries, meshes, textures, fonts).
    • Font Support: TrueType (.ttf) and OpenType (.otf) font parsing.
    • 3D Text: New M3TextGeom for generating 3D geometry from text strings.
    • Render Stats: Real-time monitoring of engine performance (FPS, vertices, triangles, draw calls).

0.1.1 #

0.1.0 #

  • Initial release of Macbear 3D engine.
  • Features:
    • OpenGL ES support via flutter_angle.
    • Scene graph and entity component system.
    • 3D format support: glTF, OBJ.
    • Physics engine integration (Oimo).
    • Lighting, shadows, and texturing support.
    • Basic primitives and geometry builders.

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Metadata

Macbear 3D is a lightweight 3D rendering engine for Flutter, built on Google ANGLE (OpenGL ES).

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Topics

#angle #opengl #glsl #gltf #macbear

License

MIT (license)

Dependencies

build, ffi, flutter, flutter_angle, http, oimo_physics, plugin_platform_interface, vector_math, video_player, web

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