strafe-client/src/primitives.rs

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
			[ 1.,-1., 1.],//right bottom back
			[ 1., 1., 1.],//right top back
			[-1., 1., 1.],//left top back
			[-1., 1.,-1.],//left top front
			[ 1., 1.,-1.],//right top front
			[ 1.,-1.,-1.],//right bottom front
			[-1.,-1.,-1.],//left bottom front
		],
		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
		],
		objects: vec![obj::Object{
			name: "Unit Cube".to_owned(),
			groups: vec![obj::Group{
				name: "Cube Vertices".to_owned(),
				index: 0,
				material: None,
				polys: generated_polys,
			}]
		}],
		material_libs: Vec::new(),
	}
}