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model loading works!

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This commit is contained in:
Carter Anderson 2020-04-19 19:29:33 -07:00
parent 75ab0e21e5
commit 1143f16743
8 changed files with 171 additions and 616 deletions
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2
Cargo.toml
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@ -69,4 +69,4 @@ type-uuid = "0.1"
env_logger = "0.7"
[profile.dev]
opt-level = 3
# opt-level = 3

25
bevy_gltf/src/lib.rs
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@ -53,16 +53,35 @@ fn load_node(buffer_data: &[Vec<u8>], node: &gltf::Node, depth: i32) -> Result<M
reader
.read_positions()
.map(|v| VertexAttribute {
name: "position".into(),
name: "Vertex_Position".into(),
values: VertexAttributeValues::Float3(v.collect()),
})
.map(|vertex_attribute| mesh.attributes.push(vertex_attribute));
// let indices = reader.read_indices().unwrap();
reader
.read_normals()
.map(|v| VertexAttribute {
name: "Vertex_Normal".into(),
values: VertexAttributeValues::Float3(v.collect()),
})
.map(|vertex_attribute| mesh.attributes.push(vertex_attribute));
reader
.read_tex_coords(0)
.map(|v| VertexAttribute {
name: "Vertex_Uv".into(),
values: VertexAttributeValues::Float2(v.into_f32().collect()),
})
.map(|vertex_attribute| mesh.attributes.push(vertex_attribute));
reader.read_indices().map(|indices| {
mesh.indices = Some(indices.into_u32().collect::<Vec<u32>>());
});
return Ok(mesh);
}
}
println!();
for child in node.children() {
return Ok(load_node(buffer_data, &child, depth + 1)?);

BIN
examples/assets/Box.glb
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142
examples/assets/Box.gltf
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@ -1,142 +0,0 @@
{
"asset": {
"generator": "COLLADA2GLTF",
"version": "2.0"
},
"scene": 0,
"scenes": [
{
"nodes": [
0
]
}
],
"nodes": [
{
"children": [
1
],
"matrix": [
1.0,
0.0,
0.0,
0.0,
0.0,
0.0,
-1.0,
0.0,
0.0,
1.0,
0.0,
0.0,
0.0,
0.0,
0.0,
1.0
]
},
{
"mesh": 0
}
],
"meshes": [
{
"primitives": [
{
"attributes": {
"NORMAL": 1,
"POSITION": 2
},
"indices": 0,
"mode": 4,
"material": 0
}
],
"name": "Mesh"
}
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"type": "VEC3"
},
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"max": [
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],
"min": [
-0.5,
-0.5,
-0.5
],
"type": "VEC3"
}
],
"materials": [
{
"pbrMetallicRoughness": {
"baseColorFactor": [
0.800000011920929,
0.0,
0.0,
1.0
],
"metallicFactor": 0.0
},
"name": "Red"
}
],
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{
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"uri": "Box0.bin"
}
]
}

468
examples/assets/Lantern.gltf
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@ -1,468 +0,0 @@
{
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},
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}
],
"asset": {
"generator": "glTF Tools for Unity",
"version": "2.0"
},
"bufferViews": [
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},
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],
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"byteLength": 231324
}
],
"images": [
{
"uri": "Lantern_baseColor.png"
},
{
"uri": "Lantern_roughnessMetallic.png"
},
{
"uri": "Lantern_normal.png"
},
{
"uri": "Lantern_emissive.png"
}
],
"meshes": [
{
"primitives": [
{
"attributes": {
"TEXCOORD_0": 0,
"NORMAL": 1,
"TANGENT": 2,
"POSITION": 3
},
"indices": 4,
"material": 0
}
],
"name": "LanternPole_Body"
},
{
"primitives": [
{
"attributes": {
"TEXCOORD_0": 5,
"NORMAL": 6,
"TANGENT": 7,
"POSITION": 8
},
"indices": 9,
"material": 0
}
],
"name": "LanternPole_Chain"
},
{
"primitives": [
{
"attributes": {
"TEXCOORD_0": 10,
"NORMAL": 11,
"TANGENT": 12,
"POSITION": 13
},
"indices": 14,
"material": 0
}
],
"name": "LanternPole_Lantern"
}
],
"materials": [
{
"pbrMetallicRoughness": {
"baseColorFactor": [
0.214041144,
0.214041144,
0.214041144,
1.0
],
"baseColorTexture": {
"index": 0
},
"metallicRoughnessTexture": {
"index": 1
}
},
"normalTexture": {
"index": 2
},
"emissiveFactor": [
1.0,
1.0,
1.0
],
"emissiveTexture": {
"index": 3
},
"name": "LanternPost_Mat"
}
],
"nodes": [
{
"mesh": 0,
"translation": [
-3.82315421,
13.01603,
0.0
],
"name": "LanternPole_Body"
},
{
"mesh": 1,
"translation": [
-9.582001,
21.0378723,
0.0
],
"name": "LanternPole_Chain"
},
{
"mesh": 2,
"translation": [
-9.582007,
18.0091515,
0.0
],
"name": "LanternPole_Lantern"
},
{
"children": [
0,
1,
2
],
"name": "Lantern"
}
],
"scene": 0,
"scenes": [
{
"nodes": [
3
]
}
],
"textures": [
{
"source": 0
},
{
"source": 1
},
{
"source": 2
},
{
"source": 3
}
]
}

BIN
examples/assets/Monkey.bin Normal file
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Binary file not shown.

100
examples/assets/Monkey.gltf Normal file
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@ -0,0 +1,100 @@
{
"asset" : {
"generator" : "Khronos glTF Blender I/O v1.1.46",
"version" : "2.0"
},
"scene" : 0,
"scenes" : [
{
"name" : "Scene",
"nodes" : [
0
]
}
],
"nodes" : [
{
"mesh" : 0,
"name" : "Suzanne"
}
],
"meshes" : [
{
"name" : "Suzanne",
"primitives" : [
{
"attributes" : {
"POSITION" : 0,
"NORMAL" : 1,
"TEXCOORD_0" : 2
},
"indices" : 3
}
]
}
],
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],
"type" : "VEC3"
},
{
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"type" : "VEC3"
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{
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"type" : "VEC2"
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"type" : "SCALAR"
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"buffers" : [
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"uri" : "Monkey.bin"
}
]
}

50
examples/load_model.rs
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@ -1,6 +1,52 @@
use bevy::{gltf, prelude::*};
fn main() {
let mesh = gltf::load_gltf("examples/assets/Box.gltf").unwrap().unwrap();
// App::build().add_default_plugins().run();
App::build()
.add_default_plugins()
.add_startup_system(setup)
.add_system_init(bevy::input::system::exit_on_esc_system)
.run();
}
/// set up a simple scene
fn setup(world: &mut World, resources: &mut Resources) {
let mesh = gltf::load_gltf("examples/assets/Monkey.gltf")
.unwrap()
.unwrap();
// create a cube and a plane mesh
let mut mesh_storage = resources.get_mut::<AssetStorage<Mesh>>().unwrap();
let mesh_handle = mesh_storage.add(mesh);
// create materials for our cube and plane
let mut material_storage = resources
.get_mut::<AssetStorage<StandardMaterial>>()
.unwrap();
let material_handle = material_storage.add(StandardMaterial {
albedo: Color::rgb(0.5, 0.4, 0.3),
..Default::default()
});
// add entities to the world
world
.build()
// mesh
.add_entity(MeshEntity {
mesh: mesh_handle,
material: material_handle,
..Default::default()
})
// light
.add_entity(LightEntity {
translation: Translation::new(4.0, -4.0, 5.0),
..Default::default()
})
// camera
.add_entity(CameraEntity {
local_to_world: LocalToWorld(Mat4::look_at_rh(
Vec3::new(2.0, -6.0, 2.0),
Vec3::new(0.0, 0.0, 0.0),
Vec3::new(0.0, 0.0, 1.0),
)),
..Default::default()
});
}