diff options
| -rw-r--r-- | src/geometry/interaction_groups.rs | 16 |
1 files changed, 11 insertions, 5 deletions
diff --git a/src/geometry/interaction_groups.rs b/src/geometry/interaction_groups.rs index 9596345..6812fbf 100644 --- a/src/geometry/interaction_groups.rs +++ b/src/geometry/interaction_groups.rs @@ -18,23 +18,28 @@ pub struct InteractionGroups(pub u32); impl InteractionGroups { + /// Initializes with the given interaction groups and interaction mask. + pub const fn new(groups: u16, masks: u16) -> Self { + Self::none().with_groups(groups).with_mask(masks) + } + /// Allow interaction with everything. - pub fn all() -> Self { + pub const fn all() -> Self { Self(u32::MAX) } /// Prevent all interactions. - pub fn none() -> Self { + pub const fn none() -> Self { Self(0) } /// Sets the group this filter is part of. - pub fn with_groups(self, groups: u16) -> Self { + pub const fn with_groups(self, groups: u16) -> Self { Self((self.0 & 0x0000ffff) | ((groups as u32) << 16)) } /// Sets the interaction mask of this filter. - pub fn with_mask(self, mask: u16) -> Self { + pub const fn with_mask(self, mask: u16) -> Self { Self((self.0 & 0xffff0000) | (mask as u32)) } @@ -42,7 +47,8 @@ impl InteractionGroups { /// /// An interaction is allowed iff. the groups of `self` contain at least one bit set to 1 in common /// with the mask of `rhs`, and vice-versa. - pub fn test(self, rhs: Self) -> bool { + #[inline] + pub const fn test(self, rhs: Self) -> bool { ((self.0 >> 16) & rhs.0) != 0 && ((rhs.0 >> 16) & self.0) != 0 } } |