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unique model per face texture algorithm

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This commit is contained in:
Quaternions
2023-09-26 20:25:56 -07:00
parent b404908a55
commit f492a09377
2 changed files with 212 additions and 97 deletions

111
src/primitives.rs

@ -1,4 +1,58 @@
pub fn the_unit_cube_lol() -> obj::ObjData{
generate_partial_unit_cube([Some(glam::Affine2::IDENTITY);6])
}
pub fn generate_partial_unit_cube(face_transforms:[Option<glam::Affine2>;6])->obj::ObjData{
let default_polys=vec![
// right (1, 0, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(6,Some(0),Some(0)),
obj::IndexTuple(5,Some(1),Some(0)),
obj::IndexTuple(2,Some(2),Some(0)),
obj::IndexTuple(1,Some(3),Some(0)),
]),
// top (0, 1, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(5,Some(1),Some(1)),
obj::IndexTuple(4,Some(0),Some(1)),
obj::IndexTuple(3,Some(3),Some(1)),
obj::IndexTuple(2,Some(2),Some(1)),
]),
// back (0, 0, 1)
obj::SimplePolygon(vec![
obj::IndexTuple(0,Some(0),Some(2)),
obj::IndexTuple(1,Some(1),Some(2)),
obj::IndexTuple(2,Some(2),Some(2)),
obj::IndexTuple(3,Some(3),Some(2)),
]),
// left (-1, 0, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(0,Some(0),Some(3)),
obj::IndexTuple(3,Some(1),Some(3)),
obj::IndexTuple(4,Some(2),Some(3)),
obj::IndexTuple(7,Some(3),Some(3)),
]),
// bottom (0,-1, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(1,Some(1),Some(4)),
obj::IndexTuple(0,Some(0),Some(4)),
obj::IndexTuple(7,Some(3),Some(4)),
obj::IndexTuple(6,Some(2),Some(4)),
]),
// front (0, 0,-1)
obj::SimplePolygon(vec![
obj::IndexTuple(4,Some(0),Some(5)),
obj::IndexTuple(5,Some(1),Some(5)),
obj::IndexTuple(6,Some(2),Some(5)),
obj::IndexTuple(7,Some(3),Some(5)),
]),
];
//generate transformed vertices
let mut generated_polys=Vec::new();
for (i,maybe_transform) in face_transforms.iter().enumerate(){
if let Some(transform)=maybe_transform{
generated_polys.push(default_polys[i].clone());
}
}
obj::ObjData{
position: vec![
[-1.,-1., 1.],//left bottom back
@ -12,12 +66,12 @@ pub fn the_unit_cube_lol() -> obj::ObjData{
],
texture: vec![[0.0,0.0],[1.0,0.0],[1.0,1.0],[0.0,1.0]],
normal: vec![
[1.,0.,0.],//AabbFace::Right
[0.,1.,0.],//AabbFace::Top
[0.,0.,1.],//AabbFace::Back
[-1.,0.,0.],//AabbFace::Left
[0.,-1.,0.],//AabbFace::Bottom
[0.,0.,-1.],//AabbFace::Front
[ 1., 0., 0.],//AabbFace::Right
[ 0., 1., 0.],//AabbFace::Top
[ 0., 0., 1.],//AabbFace::Back
[-1., 0., 0.],//AabbFace::Left
[ 0.,-1., 0.],//AabbFace::Bottom
[ 0., 0.,-1.],//AabbFace::Front
],
objects: vec![obj::Object{
name: "Unit Cube".to_owned(),
@ -25,50 +79,7 @@ pub fn the_unit_cube_lol() -> obj::ObjData{
name: "Cube Vertices".to_owned(),
index: 0,
material: None,
polys: vec![
// back (0, 0, 1)
obj::SimplePolygon(vec![
obj::IndexTuple(0,Some(0),Some(2)),
obj::IndexTuple(1,Some(1),Some(2)),
obj::IndexTuple(2,Some(2),Some(2)),
obj::IndexTuple(3,Some(3),Some(2)),
]),
// front (0, 0,-1)
obj::SimplePolygon(vec![
obj::IndexTuple(4,Some(0),Some(5)),
obj::IndexTuple(5,Some(1),Some(5)),
obj::IndexTuple(6,Some(2),Some(5)),
obj::IndexTuple(7,Some(3),Some(5)),
]),
// right (1, 0, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(6,Some(0),Some(0)),
obj::IndexTuple(5,Some(1),Some(0)),
obj::IndexTuple(2,Some(2),Some(0)),
obj::IndexTuple(1,Some(3),Some(0)),
]),
// left (-1, 0, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(0,Some(0),Some(3)),
obj::IndexTuple(3,Some(1),Some(3)),
obj::IndexTuple(4,Some(2),Some(3)),
obj::IndexTuple(7,Some(3),Some(3)),
]),
// top (0, 1, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(5,Some(1),Some(1)),
obj::IndexTuple(4,Some(0),Some(1)),
obj::IndexTuple(3,Some(3),Some(1)),
obj::IndexTuple(2,Some(2),Some(1)),
]),
// bottom (0,-1, 0)
obj::SimplePolygon(vec![
obj::IndexTuple(1,Some(1),Some(4)),
obj::IndexTuple(0,Some(0),Some(4)),
obj::IndexTuple(7,Some(3),Some(4)),
obj::IndexTuple(6,Some(2),Some(4)),
]),
],
polys: generated_polys,
}]
}],
material_libs: Vec::new(),