1 files changed, 15 insertions, 0 deletions
diff --git a/src/force/gravity.rs b/src/force/gravity.rs
new file mode 100644
index 0000000..b023e63
--- /dev/null
+++ b/src/force/gravity.rs
@@ -0,0 +1,15 @@
+use crate::particle_system::Vector;
+
+use super::Force;
+
+pub struct Gravity {
+    pub vector: Vector,
+}
+
+impl Force for Gravity {
+    fn apply(&self, particles: &mut Vec<crate::particle_system::Particle>) {
+        for particle in particles {
+            particle.apply_force(self.vector * particle.mass);
+        }
+    }
+}