Collision Size

Size matters!

Collision Size is the size at which a unit collides with objects for pathing.

Collision Sizes

Name	Radius
DOTA_HULL_SIZE_SMALL	8
DOTA_HULL_SIZE_REGULAR	16
DOTA_HULL_SIZE_SIEGE	16
DOTA_HULL_SIZE_HERO	24
DOTA_HULL_SIZE_HUGE	80
DOTA_HULL_SIZE_BUILDING	81
DOTA_HULL_SIZE_FILLER	96
DOTA_HULL_SIZE_BARRACKS	144
DOTA_HULL_SIZE_TOWER	144

Hero Collision Sizes

All heroes have a collision size of 24 except for the following:

Hero	Collision Size
	8

Unit Collision Sizes

Summons	Collision Size
Power Cogs	80
Tombstone, Familiar, Plague Ward, Treant, Greater Treant, Forged Spirit, Spirit Bear, Death Ward, Warlock Golem, Necronomicon Warrior, Necronomicon Archer	16
Boar, Earth, Storm, Fire, Eidolon, Lycan Wolves, Spiderling, Spiderite, Zombie, Nether Ward, Mass Serpent Ward, Animal Courier, Flying Courier	8
Creeps	Collision Size
Roshan	24
Melee Creep, Siege Creep, Neutral Creeps	16
Ranged Creep	8
Buildings	Collision Size
Towers, Barracks	144
Pillars	96
Ancients	81

See also

• Turn Rate