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Rotation primitive and some minor fixes

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This commit is contained in:
Synis 2021-03-23 18:47:31 +01:00
parent 187d7d4fe7
commit 35ef2082e2
1 changed files with 21 additions and 2 deletions
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23
world/src/site2/gen.rs
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@ -24,6 +24,7 @@ pub enum Primitive {
// Not commutative
Diff(Id<Primitive>, Id<Primitive>),
// Operators
Rotate(Id<Primitive>, [Vec3<i32>; 3]),
}
pub enum Fill {
@ -59,7 +60,7 @@ impl Fill {
- ((pos.z - aabb.min.z) as f32 + 0.5) / (aabb.max.z - aabb.min.z) as f32
},
Primitive::Cylinder(aabb) => {
aabb_contains(*aabb, pos)
(aabb.min.z..aabb.max.z).contains(&pos.z)
&& (pos
.xy()
.as_()
@ -68,7 +69,7 @@ impl Fill {
< (aabb.size().w.min(aabb.size().h) as f32 / 2.0).powi(2)
},
Primitive::Cone(aabb) => {
aabb_contains(*aabb, pos)
(aabb.min.z..aabb.max.z).contains(&pos.z)
&& pos
.xy()
.as_()
@ -103,6 +104,14 @@ impl Fill {
Primitive::Diff(a, b) => {
self.contains_at(tree, *a, pos) && !self.contains_at(tree, *b, pos)
},
Primitive::Rotate(prim, [x, y, z]) => {
let aabb = self.get_bounds(tree, *prim);
let diff = pos - (aabb.min + (x+y+z).map(|x| x.min(0)));
let new_x = Vec3::new(x.x, y.x, z.x);
let new_y = Vec3::new(x.y, y.y, z.y);
let new_z = Vec3::new(x.z, y.z, z.z);
self.contains_at(tree, *prim, aabb.min + (new_x * diff.x) + (new_y * diff.y) + (new_z * diff.z))
},
}
}
@ -170,6 +179,16 @@ impl Fill {
|a, b| a.union(b),
)?,
Primitive::Diff(a, _) => self.get_bounds_inner(tree, *a)?,
Primitive::Rotate(prim, [x, y, z]) => {
let aabb = self.get_bounds_inner(tree, *prim)?;
let extent = (*x * aabb.size().w) + (*y * aabb.size().h) + (*z * aabb.size().d);
let new_min = aabb.min + extent.map(|x| x.min(0));
let new_aabb: Aabb<i32> = Aabb {
min: new_min,
max: new_min + extent.map(|x| x.abs()),
};
new_aabb
},
})
}