Footprint

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'''Footprint''' is the area of space that a [[tower]] occupies when placed in a [[map]] in the {{series|Bloons TD}}. A tower can only be placed if its footprint does not overlap any other towers' footprints or [[terrain (map mechanic)|terrain]] the tower cannot be placed on. A footprint is usually either a circle (defined by a radius) or a rectangle (represented by height and width). Easier maps tend to have more open spaces for placing larger or higher amounts of towers, while harder maps often limit the amount of space that towers can be placed on (sometimes preventing certain towers from being usable at all).

When placing a new tower, the player must make sure to have enough open space to place it beforehand, as a new tower cannot override area that is already occupied. Players can remove the towers that use the desired space, usually by ~~selling~~ them.

When placing a new tower, the player must make sure to have enough open space to place it beforehand, as a new tower cannot override area that is already occupied. Players can remove the towers that use the desired space, usually by [[sell]]ing them.

== ''Bloons Tower Defense'' / ''Bloons Tower Defense 2'' / ''Bloons Tower Defense 3'' ==

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== ''Bloons TD 6'' ==

[[File:BTD6 tower footprint showcase.png|thumb|Showcase of tower footprints in ''Bloons TD 6'', where the area that the tower actually uses is indicated in green to show correspondence with the in-game model.]]

In [[Bloons TD 6|''Bloons TD 6'']], the majority of towers, [[Power|powers]] and other items that can be placed on the map have a circular footprint, with a few exceptions~~, listed on the table below~~. Despite all towers having an internal "footprint radius" defined (or height and width for rectangular forms), they have separate flags that determine their behavior, as they can block other tower placements, which this is true for the vast majority of towers. However, some sub-towers do not have this flag active like [[Sentry Gun (BTD6)|Engineer Sentries]] or Mini-Sun Avatars. This is also true for powers like [[Pontoon (BTD6)|Pontoons]] and [[Portable Lake (BTD6)|Portable Lakes]] and the footprint is used instead to determine the amount of available space for other towers that are placed over them.

In [[Bloons TD 6|''Bloons TD 6'']], the majority of towers, [[Power|powers]] and other items that can be placed on the map have a circular footprint, with a few exceptions. Despite all towers having an internal "footprint radius" defined (or height and width for rectangular forms), they have separate flags that determine their behavior, as they can block other tower placements, which this is true for the vast majority of towers. However, some sub-towers do not have this flag active like [[Sentry Gun (BTD6)|Engineer Sentries]] or Mini-Sun Avatars. This is also true for powers like [[Pontoon (BTD6)|Pontoons]] and [[Portable Lake (BTD6)|Portable Lakes]] and the footprint is used instead to determine the amount of available space for other towers that are placed over them.

Powers and items can also have flags to ignore collisions with towers and/or the capability of be placed at any point of the map, even over obstacles or the Bloons path, examples include the Mega Mine from [[Admiral Brickell (BTD6)|Admiral Brickell]], the totem of [[The Final Harmonic]] or [[Geraldo (BTD6)|Geraldo's]] [[Pet Rabbit|Killer Rabbit]].

{| class="wikitable mw-collapsible"

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!Radius

|-

|~~Beast Handler's [[Gyrfalcon]] and higher upgrades,~~ [[Sword of Protection]], [[Havoc Staff]]<br>Sub-towers (~~[[Adora (BTD6)|Ball of Light]],~~ [[Summon Phoenix (BTD6)|Phoenix]] (including upgrades), [[~~Bottle of 'Gerry's Fire' Hot Sauce|Hot Sauce creature~~]], [[Obyn Greenfoot (BTD6)|Nature's Ward totem]], [[Etienne (BTD6)|UAV]], [[Etienne (BTD6)|UCAV]], [[~~Corvus (~~BTD6)|Corvus]]' Spirit, [[Drone Ambush Network|Mini Ambush Drone]], orb from [[Dungeon Statue]])

|[[Sword of Protection]], [[Havoc Staff]]<br>Sub-towers ([[Summon Phoenix (BTD6)|Phoenix]] (including upgrades), Beast Handler's [[Gyrfalcon]] and higher upgrades, [[Obyn Greenfoot (BTD6)|Nature's Ward totem]], [[Adora (BTD6)|Ball of Light]], [[Etienne (BTD6)|UAV]], [[Etienne (BTD6)|UCAV]], [[Bottle of 'Gerry's Fire' Hot Sauce|Hot Sauce creature]], {{BTD6|Corvus}}' Spirit, [[Drone Ambush Network|Mini Ambush Drone]], orb from [[Dungeon Statue]])

|0

|-

|~~[[Genie Bottle]], planes~~ from {{BTD6|Sun Temple}} or {{BTD6|True Sun God}}, [[Root of all Nature|Storm Tree]]

|Planes from {{BTD6|Sun Temple}} or {{BTD6|True Sun God}}, [[Root of all Nature|Storm Tree]], [[Genie Bottle]]

|1

|-

|Beast Handler's [[~~Microraptor~~]] and [[~~Piranha~~]] and higher upgrades

|Beast Handler's [[Piranha]] and [[Microraptor]] and higher upgrades

|2

|-

|[[Shooty Turret~~]], [[Paragon Power Totem~~]], [[Creepy Idol]], [[Rare Quincy Action Figure]]

|[[Shooty Turret]], [[Creepy Idol]], [[Rare Quincy Action Figure]], [[Paragon Power Totem]]

|3

|-

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Some maps can have areas where players can place towers where they visually wouldn't fit (e.g. the altar in [[Encrypted]]) and in the other hand, there are also places where towers that can fit are restricted, for example, [[Heli Pilot (BTD6)|Heli Pilots]] cannot be placed in on the top right section of [[Erosion]], but [[Banana Farm (BTD6)|Banana Farms]] can despite having a larger footprint.

Towers and Heroes do not change their footprint when they are upgraded, even if the model is visually larger, which is specially evident on [[Paragon|Paragons]]; however, this behavior has one exception, which is when a [[Sun Avatar (BTD6)|Sun Avatar]] is upgraded into a [[Sun Temple (BTD6)|Sun Temple]], in this case the footprint grows from a radius of 8 units to a rectangle with a width of 37 units and a height of 40 units. This usually does not have any interactions with other regular towers as they are sacrificed when the upgrade is purchased, but as the Sun Temple cannot sacrifice Powers or Heroes, if they are placed right next to the Super Monkey before being upgraded, they will end up inside of the Sun Temple's footprint; this interaction does not impact the towers and can ~~bet~~ moved away by using the Redeployment ability of a [[Support Chinook (BTD6)|Support Chinook]].

Towers and Heroes do not change their footprint when they are upgraded, even if the model is visually larger, which is specially evident on [[Paragon|Paragons]]; however, this behavior has one exception, which is when a [[Sun Avatar (BTD6)|Sun Avatar]] is upgraded into a [[Sun Temple (BTD6)|Sun Temple]], in this case the footprint grows from a radius of 8 units to a rectangle with a width of 37 units and a height of 40 units. This usually does not have any interactions with other regular towers as they are sacrificed when the upgrade is purchased, but as the Sun Temple cannot sacrifice Powers or Heroes, if they are placed right next to the Super Monkey before being upgraded, they will end up inside of the Sun Temple's footprint; this interaction does not impact the towers and can be moved away by using the Redeployment ability of a [[Support Chinook (BTD6)|Support Chinook]].

This behavior is usable in [[Freeplay]] strategies to save space for [[Tech Bot (BTD6)|Tech Bots]], [[Hero (BTD6)|Heroes]], and [[Paragons]] by placing them around Super Monkeys that are intended to become Sun Temples later in the game. Also, there is a small window of time after purchasing the Sun Temple where after the Monkeys around it are sacrificed but before its footprint grows, which can be exploited by using a Support Chinook to move a tower right next to the Sun Avatar during the transform animation so it ends inside the Temple's footprint.

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== ''Bloons TD Battles 2'' ==

{| class="wikitable mw-collapsible"

|+Towers with circular footprints

!Tower

!Hero

![[Sub-tower]]

!Radius

|-

|―

|{{BTDB2|Aircraft Carrier}}/{{BTDB2|Carrier Flagship}}'s Fighter plane, {{BTDB2|Comanche Defense}}/{{BTDB2|Comanche Commander}}'s Mini Comanche, {{BTDB2|Obyn Greenfoot}}'s Nature's Ward Totem, {{BTDB2|Ocean Obyn}}'s Ocean's Ward Totem, {{BTDB2|Ezili}}'s Sacrificial Totem, {{BTDB2|Smudge Catt Ezili}}'s Scratching Post

|0

|-

|{{BTDB2|Banana Farmer}}, [[Bloon Bot]], {{BTDB2|Tech Bot}}

|―

|3

|-

|―

|{{BTDB2|Sentry Gun}}'s Sentry and its upgrades

|4

|-

|―

|{{BTDB2|Special Poperations}}'s Marine, Beetienne/Auxiliary Hive's Swarm including ability swarms

|5

|-

|{{BTDB2|Dart Monkey}}, {{BTDB2|Tack Shooter}}, {{BTDB2|Ice Monkey}}, {{BTDB2|Glue Gunner}}, {{BTDB2|Sniper Monkey}}, {{BTDB2|Ninja Monkey}}, {{BTDB2|Alchemist}}

|All Heroes (except Captain Churchill, Sentai Churchill, Pat Fusty, Fusty the Snowman and Beetienne)

|{{BTDB2|Summon Phoenix}}/{{BTDB2|Wizard Lord Phoenix}}'s Phoenix, {{BTDB2|Wizard Lord Phoenix}}'s Lava Phoenix, Sun Temple/True Sun God's Sun Avatar, {{BTDB2|Etienne}}'s Drone including ability drones, Etienne's UAV/UCAV, Beetienne's Auxiliary Hive

|6

|-

|{{BTDB2|Boomerang Monkey}}, {{BTDB2|Bomb Shooter}}, {{BTDB2|Monkey Sub}}, {{BTDB2|Wizard Monkey}}, {{BTDB2|Super Monkey}}, {{BTDB2|Druid}}, {{BTDB2|Engineer Monkey}}

|―

|7

|-

|{{BTDB2|Monkey Buccaneer}}, {{BTDB2|Mortar Monkey}}, {{BTDB2|Dartling Gunner}}, {{BTDB2|Spike Factory}}

|{{BTDB2|Captain Churchill}}, {{BTDB2|Sentai Churchill}}, {{BTDB2|Pat Fusty}}, {{BTDB2|Fusty the Snowman}}, {{BTDB2|Beetienne}}

|―

|8

|-

|{{BTDB2|Monkey Village}}

|―

|11

|-

|{{BTDB2|Sun Temple}}

|―

|20

|-

|{{BTDB2|True Sun God}}

|―

|25

|}

{| class="wikitable sortable mw-collapsible"

|+Towers with rectangular footprints

!class="unsortable"|Tower

!X width

!Y width

|-

|{{BTDB2|Heli Pilot}}

|18

|18

|-

|{{BTDB2|Monkey Ace}}

|28

|18

|-

|{{BTDB2|Banana Farm}}

|27

|27

|}

==Navigation==

@@ Line 3: / Line 3: @@
 '''Footprint''' is the area of space that a [[tower]] occupies when placed in a [[map]] in the {{series|Bloons TD}}. A tower can only be placed if its footprint does not overlap any other towers' footprints or [[terrain (map mechanic)|terrain]] the tower cannot be placed on. A footprint is usually either a circle (defined by a radius) or a rectangle (represented by height and width). Easier maps tend to have more open spaces for placing larger or higher amounts of towers, while harder maps often limit the amount of space that towers can be placed on (sometimes preventing certain towers from being usable at all).
-When placing a new tower, the player must make sure to have enough open space to place it beforehand, as a new tower cannot override area that is already occupied. Players can remove the towers that use the desired space, usually by selling them.
+When placing a new tower, the player must make sure to have enough open space to place it beforehand, as a new tower cannot override area that is already occupied. Players can remove the towers that use the desired space, usually by [[sell]]ing them.
 == ''Bloons Tower Defense'' / ''Bloons Tower Defense 2'' / ''Bloons Tower Defense 3'' ==
@@ Line 27: / Line 27: @@
 == ''Bloons TD 6'' ==
 [[File:BTD6 tower footprint showcase.png|thumb|Showcase of tower footprints in ''Bloons TD 6'', where the area that the tower actually uses is indicated in green to show correspondence with the in-game model.]]
-In [[Bloons TD 6|''Bloons TD 6'']], the majority of towers, [[Power|powers]] and other items that can be placed on the map have a circular footprint, with a few exceptions, listed on the table below. Despite all towers having an internal "footprint radius" defined (or height and width for rectangular forms), they have separate flags that determine their behavior, as they can block other tower placements, which this is true for the vast majority of towers. However, some sub-towers do not have this flag active like [[Sentry Gun (BTD6)|Engineer Sentries]] or Mini-Sun Avatars. This is also true for powers like [[Pontoon (BTD6)|Pontoons]] and [[Portable Lake (BTD6)|Portable Lakes]] and the footprint is used instead to determine the amount of available space for other towers that are placed over them.
+In [[Bloons TD 6|''Bloons TD 6'']], the majority of towers, [[Power|powers]] and other items that can be placed on the map have a circular footprint, with a few exceptions. Despite all towers having an internal "footprint radius" defined (or height and width for rectangular forms), they have separate flags that determine their behavior, as they can block other tower placements, which this is true for the vast majority of towers. However, some sub-towers do not have this flag active like [[Sentry Gun (BTD6)|Engineer Sentries]] or Mini-Sun Avatars. This is also true for powers like [[Pontoon (BTD6)|Pontoons]] and [[Portable Lake (BTD6)|Portable Lakes]] and the footprint is used instead to determine the amount of available space for other towers that are placed over them.
 Powers and items can also have flags to ignore collisions with towers and/or the capability of be placed at any point of the map, even over obstacles or the Bloons path, examples include the Mega Mine from [[Admiral Brickell (BTD6)|Admiral Brickell]], the totem of [[The Final Harmonic]] or [[Geraldo (BTD6)|Geraldo's]] [[Pet Rabbit|Killer Rabbit]].
 {| class="wikitable mw-collapsible"
@@ Line 34: / Line 34: @@
 !Radius
 |-
-|Beast Handler's [[Gyrfalcon]] and higher upgrades, [[Sword of Protection]], [[Havoc Staff]]<br>Sub-towers ([[Adora (BTD6)|Ball of Light]], [[Summon Phoenix (BTD6)|Phoenix]] (including upgrades), [[Bottle of 'Gerry's Fire' Hot Sauce|Hot Sauce creature]], [[Obyn Greenfoot (BTD6)|Nature's Ward totem]], [[Etienne (BTD6)|UAV]], [[Etienne (BTD6)|UCAV]], [[Corvus (BTD6)|Corvus]]' Spirit, [[Drone Ambush Network|Mini Ambush Drone]], orb from [[Dungeon Statue]])
+|[[Sword of Protection]], [[Havoc Staff]]<br>Sub-towers ([[Summon Phoenix (BTD6)|Phoenix]] (including upgrades), Beast Handler's [[Gyrfalcon]] and higher upgrades, [[Obyn Greenfoot (BTD6)|Nature's Ward totem]], [[Adora (BTD6)|Ball of Light]], [[Etienne (BTD6)|UAV]], [[Etienne (BTD6)|UCAV]], [[Bottle of 'Gerry's Fire' Hot Sauce|Hot Sauce creature]], {{BTD6|Corvus}}' Spirit, [[Drone Ambush Network|Mini Ambush Drone]], orb from [[Dungeon Statue]])
 |0
 |-
-|[[Genie Bottle]], planes from {{BTD6|Sun Temple}} or {{BTD6|True Sun God}}, [[Root of all Nature|Storm Tree]]
+|Planes from {{BTD6|Sun Temple}} or {{BTD6|True Sun God}}, [[Root of all Nature|Storm Tree]], [[Genie Bottle]]
 |1
 |-
-|Beast Handler's [[Microraptor]] and [[Piranha]] and higher upgrades
+|Beast Handler's [[Piranha]] and [[Microraptor]] and higher upgrades
 |2
 |-
-|[[Shooty Turret]], [[Paragon Power Totem]], [[Creepy Idol]], [[Rare Quincy Action Figure]]
+|[[Shooty Turret]], [[Creepy Idol]], [[Rare Quincy Action Figure]], [[Paragon Power Totem]]
 |3
 |-
@@ Line 97: / Line 97: @@
 Some maps can have areas where players can place towers where they visually wouldn't fit (e.g. the altar in [[Encrypted]]) and in the other hand, there are also places where towers that can fit are restricted, for example, [[Heli Pilot (BTD6)|Heli Pilots]] cannot be placed in on the top right section of [[Erosion]], but [[Banana Farm (BTD6)|Banana Farms]] can despite having a larger footprint.
-Towers and Heroes do not change their footprint when they are upgraded, even if the model is visually larger, which is specially evident on [[Paragon|Paragons]]; however, this behavior has one exception, which is when a [[Sun Avatar (BTD6)|Sun Avatar]] is upgraded into a [[Sun Temple (BTD6)|Sun Temple]], in this case the footprint grows from a radius of 8 units to a rectangle with a width of 37 units and a height of 40 units. This usually does not have any interactions with other regular towers as they are sacrificed when the upgrade is purchased, but as the Sun Temple cannot sacrifice Powers or Heroes, if they are placed right next to the Super Monkey before being upgraded, they will end up inside of the Sun Temple's footprint; this interaction does not impact the towers and can bet moved away by using the Redeployment ability of a [[Support Chinook (BTD6)|Support Chinook]].
+Towers and Heroes do not change their footprint when they are upgraded, even if the model is visually larger, which is specially evident on [[Paragon|Paragons]]; however, this behavior has one exception, which is when a [[Sun Avatar (BTD6)|Sun Avatar]] is upgraded into a [[Sun Temple (BTD6)|Sun Temple]], in this case the footprint grows from a radius of 8 units to a rectangle with a width of 37 units and a height of 40 units. This usually does not have any interactions with other regular towers as they are sacrificed when the upgrade is purchased, but as the Sun Temple cannot sacrifice Powers or Heroes, if they are placed right next to the Super Monkey before being upgraded, they will end up inside of the Sun Temple's footprint; this interaction does not impact the towers and can be moved away by using the Redeployment ability of a [[Support Chinook (BTD6)|Support Chinook]].
 This behavior is usable in [[Freeplay]] strategies to save space for [[Tech Bot (BTD6)|Tech Bots]], [[Hero (BTD6)|Heroes]], and [[Paragons]] by placing them around Super Monkeys that are intended to become Sun Temples later in the game. Also, there is a small window of time after purchasing the Sun Temple where after the Monkeys around it are sacrificed but before its footprint grows, which can be exploited by using a Support Chinook to move a tower right next to the Sun Avatar during the transform animation so it ends inside the Temple's footprint.
@@ Line 144: / Line 144: @@
 == ''Bloons TD Battles 2'' ==
-{{empty}}
+{{incomplete}}
+{| class="wikitable mw-collapsible"
+|+Towers with circular footprints
+!Tower
+!Hero
+![[Sub-tower]]
+!Radius
+|-
+|―
+|―
+|{{BTDB2|Aircraft Carrier}}/{{BTDB2|Carrier Flagship}}'s Fighter plane, {{BTDB2|Comanche Defense}}/{{BTDB2|Comanche Commander}}'s Mini Comanche, {{BTDB2|Obyn Greenfoot}}'s Nature's Ward Totem, {{BTDB2|Ocean Obyn}}'s Ocean's Ward Totem, {{BTDB2|Ezili}}'s Sacrificial Totem, {{BTDB2|Smudge Catt Ezili}}'s Scratching Post
+|0
+|-
+|{{BTDB2|Banana Farmer}}, [[Bloon Bot]], {{BTDB2|Tech Bot}}
+|―
+|―
+|3
+|-
+|―
+|―
+|{{BTDB2|Sentry Gun}}'s Sentry and its upgrades
+|4
+|-
+|―
+|―
+|{{BTDB2|Special Poperations}}'s Marine, Beetienne/Auxiliary Hive's Swarm including ability swarms
+|5
+|-
+|{{BTDB2|Dart Monkey}}, {{BTDB2|Tack Shooter}}, {{BTDB2|Ice Monkey}}, {{BTDB2|Glue Gunner}}, {{BTDB2|Sniper Monkey}}, {{BTDB2|Ninja Monkey}}, {{BTDB2|Alchemist}}
+|All Heroes (except Captain Churchill, Sentai Churchill, Pat Fusty, Fusty the Snowman and Beetienne)
+|{{BTDB2|Summon Phoenix}}/{{BTDB2|Wizard Lord Phoenix}}'s Phoenix, {{BTDB2|Wizard Lord Phoenix}}'s Lava Phoenix, Sun Temple/True Sun God's Sun Avatar, {{BTDB2|Etienne}}'s Drone including ability drones, Etienne's UAV/UCAV, Beetienne's Auxiliary Hive
+|6
+|-
+|{{BTDB2|Boomerang Monkey}}, {{BTDB2|Bomb Shooter}}, {{BTDB2|Monkey Sub}}, {{BTDB2|Wizard Monkey}}, {{BTDB2|Super Monkey}}, {{BTDB2|Druid}}, {{BTDB2|Engineer Monkey}}
+|―
+|―
+|7
+|-
+|{{BTDB2|Monkey Buccaneer}}, {{BTDB2|Mortar Monkey}}, {{BTDB2|Dartling Gunner}}, {{BTDB2|Spike Factory}}
+|{{BTDB2|Captain Churchill}}, {{BTDB2|Sentai Churchill}}, {{BTDB2|Pat Fusty}}, {{BTDB2|Fusty the Snowman}}, {{BTDB2|Beetienne}}
+|―
+|8
+|-
+|{{BTDB2|Monkey Village}}
+|―
+|―
+|11
+|-
+|{{BTDB2|Sun Temple}}
+|―
+|―
+|20
+|-
+|{{BTDB2|True Sun God}}
+|―
+|―
+|25
+|}
+{| class="wikitable sortable mw-collapsible"
+|+Towers with rectangular footprints
+!class="unsortable"|Tower
+!X width
+!Y width
+|-
+|{{BTDB2|Heli Pilot}}
+|18
+|18<!--area: 324-->
+|-
+|{{BTDB2|Monkey Ace}}
+|28
+|18<!--area: 504-->
+|-
+|{{BTDB2|Banana Farm}}
+|27
+|27<!--area: 729-->
+|}
 ==Navigation==

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