Add tower firing

game/components.h

@@ -280,14 +280,23 @@ typedef struct Tower {
     f32 range;
     f32 minDamage;
     f32 maxDamage;
-    f32 damageFalloff;
-    f32 damageRadius;
     f32 projectileSpeed;
+    f32 projectileRadius;
+    i32 projectileDamageCount;
     f32 fireCooldown;
     f32 fireElapsed;
 } Tower;
 extern ECS_COMPONENT_DECLARE(Tower);
 
+typedef struct Projectile {
+    Vector2 target;
+    f32 radius;
+    f32 damage;
+    ecs_entity_t lastDamaged;
+    i32 damageCount;
+} Projectile;
+extern ECS_COMPONENT_DECLARE(Projectile);
+
 #define BUILDING_MAX_RECRUIT_SLOTS 4
 typedef struct BuildingRecruitSlot {
     EntityType entityType;