Tank projectile collisions

constants.js

@@ -31,6 +31,7 @@ export const PLAYER_FALL_DAMAGE_HEIGHT = 50;
 export const PLAYER_FALL_DAMAGE_FACTOR = 3;
 export const PLAYER_WEAPON_CHANGE_DELAY = 150;
 export const PLAYER_EXPLOSION_PARTICLE_POWER = 500;
+export const PLAYER_TANK_BOUNDING_RADIUS = 3;
 
 export const PROJECTILE_POWER_REDUCTION_FACTOR = 10;
 export const PROJECTILE_WIND_REDUCTION_FACTOR = 10;