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https://github.com/jing-interactive/melo
melo is mesh loader for OBJ, glTF2 and PLY
https://github.com/jing-interactive/melo
3d-models glsl gltf gltf2 libcinder mesh-import meshviewer opengl
Last synced: 2 months ago
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melo is mesh loader for OBJ, glTF2 and PLY
- Host: GitHub
- URL: https://github.com/jing-interactive/melo
- Owner: jing-interactive
- License: mit
- Created: 2018-09-04T12:43:27.000Z (almost 6 years ago)
- Default Branch: master
- Last Pushed: 2021-05-04T06:29:22.000Z (about 3 years ago)
- Last Synced: 2024-03-26T01:10:04.223Z (4 months ago)
- Topics: 3d-models, glsl, gltf, gltf2, libcinder, mesh-import, meshviewer, opengl
- Language: C
- Homepage:
- Size: 10.1 MB
- Stars: 46
- Watchers: 8
- Forks: 4
- Open Issues: 0
-
Metadata Files:
- Readme: README.md
- License: LICENSE
Lists
- AwesomeCppGameDev - melo
README
# melo
melo is mesh loader for OBJ, glTF2 and PLY, also includes a `Cinder` based mesh viewer on Windows and macOS.
# Features
- Support Windows and macOS
- Can be used outside of Cinder
- Loading OBJ meshes through [syoyo/tinyobjloader](https://github.com/syoyo/tinyobjloader)
- Loading glTF2 meshes through [syoyo/tinygltf](https://github.com/syoyo/tinygltf)
- PBR rendering w/ modified shaders from [KhronosGroup/glTF-WebGL-PBR](https://github.com/KhronosGroup/glTF-WebGL-PBR/tree/master/shaders)
# TODO
- Implement skinning animation
- Implement morph animation
- Support Linux / Android / iOS
- Support Sketchfab download API
- FrameGraph
# To build `samples/MeshViewer`, you need:
* [Cinder](https://github.com/cinder/Cinder)
* [Cinder-VNM](https://github.com/jing-interactive/Cinder-VNM)
The folder structure should appear like this:
```
Cinder/
blocks/
Cinder-VNM/
melo/
samples/MeshViewer/vc2015/MeshViewer.sln
assets/
Cube/
Cube.gltf
cerberus/
Cerberus.obj
Awesome-gltf-files/
scene.gltf
scene.bin
Symbolic-links-are-also-supported
include/
```
# PBR shader macros
## vertex inputs
- HAS_NORMALS
- HAS_TANGENTS
- HAS_VERTEX_COLOR_VEC4
- HAS_UV_SET1
- HAS_UV_SET2
- USE_MORPHING
- USE_SKINNING
- HAS_TARGET_POSITION0
- HAS_TARGET_POSITION1
- HAS_TARGET_POSITION2
- HAS_TARGET_POSITION3
- HAS_TARGET_POSITION4
- HAS_TARGET_POSITION5
- HAS_TARGET_POSITION6
- HAS_TARGET_POSITION7
- HAS_TARGET_NORMAL0
- HAS_TARGET_NORMAL1
- HAS_TARGET_NORMAL2
- HAS_TARGET_NORMAL3
- HAS_TARGET_NORMAL4
- HAS_TARGET_TANGENT0
- HAS_TARGET_TANGENT1
- HAS_TARGET_TANGENT2
- HAS_TARGET_TANGENT3
- HAS_TARGET_TANGENT4
- HAS_JOINT_SET1
- HAS_JOINT_SET2
- HAS_JOINT_SET3
- HAS_JOINT_SET4
- HAS_WEIGHT_SET1
- HAS_WEIGHT_SET2
## material types
- MATERIAL_SPECULARGLOSSINESS
- MATERIAL_METALLICROUGHNESS
- MATERIAL_UNLIT
- MATERIAL_ANISOTROPY
- MATERIAL_SUBSURFACE
- MATERIAL_THIN_FILM
- MATERIAL_THICKNESS
- MATERIAL_ABSORPTION
- MATERIAL_IOR
- MATERIAL_TRANSMISSION
## texture maps
- HAS_BASE_COLOR_MAP
- HAS_NORMAL_MAP
- HAS_METALLIC_ROUGHNESS_MAP
- HAS_OCCLUSION_MAP
- HAS_EMISSIVE_MAP
- HAS_SUBSURFACE_COLOR_MAP
- HAS_SUBSURFACE_THICKNESS_MAP
- HAS_ANISOTROPY_MAP
- HAS_ANISOTROPY_DIRECTION_MAP
- HAS_SPECULAR_GLOSSINESS_MAP
- HAS_METALLICROUGHNESS_SPECULAROVERRIDE_MAP
- HAS_SHEEN_COLOR_INTENSITY_MAP
- HAS_THIN_FILM_MAP
- HAS_THIN_FILM_THICKNESS_MAP
- HAS_THICKNESS_MAP
- HAS_CLEARCOAT_TEXTURE_MAP
- HAS_CLEARCOAT_ROUGHNESS_MAP
- HAS_CLEARCOAT_NORMAL_MAP
## alpha mode
- ALPHAMODE_OPAQUE
- ALPHAMODE_MASK
## use misc
- USE_IBL
- USE_PUNCTUAL
## debug
- DEBUG_BASECOLOR
- DEBUG_ALPHA
- DEBUG_NORMAL
- DEBUG_TANGENT
- DEBUG_METALLIC
- DEBUG_ROUGHNESS
- DEBUG_BITANGENT
- DEBUG_OCCLUSION
- DEBUG_F0
- DEBUG_FEMISSIVE
- DEBUG_FSPECULAR
- DEBUG_FDIFFUSE
- DEBUG_FSHEEN
- DEBUG_FCLEARCOAT
- DEBUG_FSUBSURFACE
- DEBUG_THICKNESS
- DEBUG_FTRANSMISSION