diff --git a/rust-pvz-genetics/src/genetics/gene/mod.rs b/rust-pvz-genetics/src/genetics/gene/mod.rs
index 09914e4..0260c42 100644
--- a/rust-pvz-genetics/src/genetics/gene/mod.rs
+++ b/rust-pvz-genetics/src/genetics/gene/mod.rs
@@ -9,6 +9,19 @@ pub use gene_source::GeneSource;
 pub use gene_place::GenePlace;
 use godot::builtin::Vector2;
 
+#[macro_export]
+macro_rules! radial_child_position {
+    ($radius:literal) => {
+        |_|{
+            use rand::{RngExt};
+            use godot::builtin::Vector2;
+            let mut rng = rand::rng();
+
+            Vector2::from_angle(rng.random_range(0.0..=1.0)*3.1415*2.) * rng.random_range(($radius/2.)..=$radius)
+        }
+    };
+}
+
 #[derive(PartialEq,Eq,Clone)]
 pub struct Gene {
     pub plant_source: GeneSource,
@@ -58,10 +71,9 @@ impl Gene {
 
 }
 
-
-
 impl Display for Gene {
     fn fmt(&self, f: &mut std::fmt::Formatter<'_>) -> std::fmt::Result {
         write!(f,"({}) {}",self.plant_source,self.place)
     }
 }
+
diff --git a/rust-pvz-genetics/src/genetics/plants/sunflower.rs b/rust-pvz-genetics/src/genetics/plants/sunflower.rs
index 39f1291..0327b37 100644
--- a/rust-pvz-genetics/src/genetics/plants/sunflower.rs
+++ b/rust-pvz-genetics/src/genetics/plants/sunflower.rs
@@ -33,6 +33,6 @@ fn get_place_head(place: GenePlace) -> Vector2 {
     match place {
         GenePlace::Mouth => Vector2::new(1.,4.),
         GenePlace::Eyes => Vector2::new(1.,-2.),
-        _ =>return Vector2::ZERO
+        _ => crate::radial_child_position!(10.)(place.clone())
     }
 }