forked from StrafesNET/strafe-client
105 lines
3.1 KiB
Rust
105 lines
3.1 KiB
Rust
pub fn the_unit_cube_lol() -> obj::ObjData{
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generate_partial_unit_cube([Some(glam::Affine2::IDENTITY);6])
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}
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pub fn generate_partial_unit_cube(face_transforms:[Option<glam::Affine2>;6])->obj::ObjData{
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let default_polys=[
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// right (1, 0, 0)
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obj::SimplePolygon(vec![
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obj::IndexTuple(6,Some(2),Some(0)),
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obj::IndexTuple(5,Some(1),Some(0)),
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obj::IndexTuple(2,Some(0),Some(0)),
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obj::IndexTuple(1,Some(3),Some(0)),
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]),
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// top (0, 1, 0)
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obj::SimplePolygon(vec![
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obj::IndexTuple(5,Some(3),Some(1)),
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obj::IndexTuple(4,Some(2),Some(1)),
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obj::IndexTuple(3,Some(1),Some(1)),
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obj::IndexTuple(2,Some(0),Some(1)),
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]),
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// back (0, 0, 1)
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obj::SimplePolygon(vec![
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obj::IndexTuple(0,Some(3),Some(2)),
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obj::IndexTuple(1,Some(2),Some(2)),
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obj::IndexTuple(2,Some(1),Some(2)),
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obj::IndexTuple(3,Some(0),Some(2)),
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]),
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// left (-1, 0, 0)
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obj::SimplePolygon(vec![
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obj::IndexTuple(0,Some(2),Some(3)),
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obj::IndexTuple(3,Some(1),Some(3)),
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obj::IndexTuple(4,Some(0),Some(3)),
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obj::IndexTuple(7,Some(3),Some(3)),
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]),
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// bottom (0,-1, 0)
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obj::SimplePolygon(vec![
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obj::IndexTuple(1,Some(1),Some(4)),
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obj::IndexTuple(0,Some(0),Some(4)),
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obj::IndexTuple(7,Some(3),Some(4)),
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obj::IndexTuple(6,Some(2),Some(4)),
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]),
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// front (0, 0,-1)
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obj::SimplePolygon(vec![
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obj::IndexTuple(4,Some(1),Some(5)),
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obj::IndexTuple(5,Some(0),Some(5)),
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obj::IndexTuple(6,Some(3),Some(5)),
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obj::IndexTuple(7,Some(2),Some(5)),
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]),
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];
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let default_verts=[[0.0,0.0],[1.0,0.0],[1.0,1.0],[0.0,1.0]];
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//generate transformed vertices
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let mut generated_verts=Vec::new();
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let mut transforms=Vec::new();
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let mut generated_polys=Vec::new();
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for (i,maybe_transform) in face_transforms.iter().enumerate(){
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if let Some(transform)=maybe_transform{
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let transform_index=if let Some(transform_index)=transforms.iter().position(|&t|t==transform){
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transform_index
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}else{
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//create new transform_index
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let transform_index=transforms.len();
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transforms.push(transform);
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for vert in default_verts{
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generated_verts.push(*transform.transform_point2(glam::vec2(vert[0],vert[1])).as_ref());
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}
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transform_index
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};
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generated_polys.push(obj::SimplePolygon(
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default_polys[i].0.iter().map(
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|&v|obj::IndexTuple(v.0,Some(v.1.unwrap()+4*transform_index),v.2)
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).collect()
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));
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}
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}
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obj::ObjData{
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position: vec![
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[-1.,-1., 1.],//0 left bottom back
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[ 1.,-1., 1.],//1 right bottom back
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[ 1., 1., 1.],//2 right top back
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[-1., 1., 1.],//3 left top back
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[-1., 1.,-1.],//4 left top front
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[ 1., 1.,-1.],//5 right top front
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[ 1.,-1.,-1.],//6 right bottom front
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[-1.,-1.,-1.],//7 left bottom front
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],
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texture: generated_verts,
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normal: vec![
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[ 1., 0., 0.],//AabbFace::Right
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[ 0., 1., 0.],//AabbFace::Top
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[ 0., 0., 1.],//AabbFace::Back
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[-1., 0., 0.],//AabbFace::Left
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[ 0.,-1., 0.],//AabbFace::Bottom
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[ 0., 0.,-1.],//AabbFace::Front
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],
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objects: vec![obj::Object{
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name: "Unit Cube".to_owned(),
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groups: vec![obj::Group{
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name: "Cube Vertices".to_owned(),
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index: 0,
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material: None,
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polys: generated_polys,
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}]
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}],
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material_libs: Vec::new(),
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}
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} |