tiny.geometry.Plane

1/// The points `p` with `normal · p = offset`. The normal is unit length, so2/// `signedDistance` is a distance.3pub const Plane = struct {4    normal: Vec3,5    offset: f32,67    pub fn fromPointNormal(point: Vec3, unit_normal: Vec3) Plane {8        return .{ .normal = unit_normal, .offset = unit_normal.dot(point) };9    }1011    /// The plane through a triangle, or null for a degenerate triangle.12    pub fn fromTriangle(triangle: Triangle) ?Plane {13        const n = triangle.normal() orelse return null;14        return fromPointNormal(triangle.a, n);15    }1617    pub fn signedDistance(plane: Plane, p: Vec3) f32 {18        return plane.normal.dot(p) - plane.offset;19    }20};

1pub const Plane = primitive.Plane;