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rbx_loader: default physics for unions

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This commit is contained in:
Quaternions 2025-03-21 13:56:41 -07:00
parent 28ac6b5d76
commit 61073ea192
1 changed files with 10 additions and 2 deletions

12
lib/rbx_loader/src/union.rs

@ -1,4 +1,5 @@
use crate::rbx::RobloxPartDescription;
use crate::primitives::{CUBE_DEFAULT_VERTICES,CUBE_DEFAULT_POLYS};
use rbx_mesh::mesh_data::{VertexId as MeshDataVertexId,NormalId2 as MeshDataNormalId2};
use rbx_mesh::physics_data::VertexId as PhysicsDataVertexId;
@ -168,8 +169,15 @@ pub fn convert(
});
polygon_groups_normal_it.chain(physics_convex_meshes_it).collect::<Result<_,_>>()?
}else{
// TODO: generate a unit cube as default physics
polygon_groups_normal_it.collect::<Result<_,_>>()?
// generate a unit cube as default physics
let pos_list=CUBE_DEFAULT_VERTICES.map(|pos|mb.acquire_pos_id(pos));
let tex=mb.acquire_tex_id(glam::Vec2::ZERO);
let normal=mb.acquire_normal_id(vec3::ZERO);
let color=mb.acquire_color_id(glam::Vec4::ONE);
let polygon_group=PolygonGroup::PolygonList(PolygonList::new(CUBE_DEFAULT_POLYS.map(|poly|poly.map(|[pos_id,_]|
mb.acquire_vertex_id(IndexedVertex{pos:pos_list[pos_id as usize],tex,normal,color})
).to_vec()).to_vec()));
polygon_groups_normal_it.chain([Ok(polygon_group)]).collect::<Result<_,_>>()?
};
let physics_groups=(NORMAL_FACES..polygon_groups.len()).map(|id|model::IndexedPhysicsGroup{
groups:vec![PolygonGroupId::new(id as u32)]