feat: added minimum distance from player to artillery targets

src/artillery_target.cpp

@@ -1,4 +1,5 @@
 #include "artillery_target.hpp"
+#include "player.hpp"
 #include "utils/godot_macros.hpp"
 #include <godot_cpp/variant/utility_functions.hpp>
 
@@ -51,6 +52,9 @@ float ArtilleryTarget::get_frequency_max() const {
 
 void ArtilleryTarget::timer_end() {
     this->start_timer();
+    gd::Vector3 const player_position{Player::get_player_instance()->get_global_position()};
+    if(player_position.distance_squared_to(this->get_global_position()) >= this->ACTIVATION_RANGE * this->ACTIVATION_RANGE)
+        return; // only spawn explosions if in range
     gd::Node *instance{this->effect->instantiate()};
     this->add_child(instance);
     if(gd::Node3D *inst3d{gd::Object::cast_to<gd::Node3D>(instance)}) {

src/artillery_target.hpp

@@ -23,6 +23,7 @@ private:
     void timer_end();
     void start_timer();
 private:
+    float const ACTIVATION_RANGE{20.f};
     float spread{5.f};
     float frequency_min{0.5f};
     float frequency_max{2.f};