diff --git a/projet-code/scenes_inf443/base/src/ball.cpp b/projet-code/scenes_inf443/base/src/ball.cpp
index b6fcb67d05fda71b1f77713c265103b0b1d57468..7a32f47a14d6d24b5c201a2fac0bd80585c1db76 100644
--- a/projet-code/scenes_inf443/base/src/ball.cpp
+++ b/projet-code/scenes_inf443/base/src/ball.cpp
@@ -18,6 +18,13 @@ void ball::initialize(int n)
 	}
 }
 
+void ball::reset() {
+	N = 0;
+	pos.resize(N);
+	v.resize(N);
+	color.resize(N);
+}
+
 void ball::add_ball(vec3 new_pos, vec3 new_dir) {
 	N++;
 	pos.resize(N);
diff --git a/projet-code/scenes_inf443/base/src/ball.hpp b/projet-code/scenes_inf443/base/src/ball.hpp
index c1fa9673f41c1fd7ccb5882173400f49a3a1a1e9..1e8fd587b611b8f5e9bedbbbd00e12351c533d54 100644
--- a/projet-code/scenes_inf443/base/src/ball.hpp
+++ b/projet-code/scenes_inf443/base/src/ball.hpp
@@ -16,6 +16,7 @@ struct ball {
 	void initialize(int n);
 	void simulate(float dt, float terrain_length);
 	void add_ball(vec3 new_pos, vec3 new_dir);
+	void reset();
 };
 
 vec3 terrain_orientation(float x, float y, float terrain_length);
diff --git a/projet-code/scenes_inf443/base/src/scene.cpp b/projet-code/scenes_inf443/base/src/scene.cpp
index 7278b0fd5881c095c9ac9f8d3348faf46eee77e1..25028730d6e2b54609fbb4c4309f9befcbee54b6 100644
--- a/projet-code/scenes_inf443/base/src/scene.cpp
+++ b/projet-code/scenes_inf443/base/src/scene.cpp
@@ -381,6 +381,9 @@ void scene_structure::mouse_click_event()
 void scene_structure::keyboard_event()
 {
 	camera_control.action_keyboard(environment.camera_view);
+	if(camera_control.inputs->keyboard.shift) {
+		projectiles.reset();
+	}
 }
 void scene_structure::idle_frame()
 {