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# Factorio Prototype Docs Version 2.0.77

# ProjectileTriggerDelivery - Prototype Docs

## ProjectileTriggerDelivery :: struct

Inherits from TriggerDeliveryItem

## Properties

- default
- sorted

type | :: `"projectile"` |
projectile | :: EntityID | Name of a ProjectilePrototype.
Name of a ProjectilePrototype.
starting_speed | :: float | Starting speed in tiles per tick.
Starting speed in tiles per tick.
starting_speed_deviation optional | :: float |
direction_deviation optional | :: float | Maximum deviation of the projectile from source orientation, in +/- (`x radians / 2`). [...]
Maximum deviation of the projectile from source orientation, in +/- (`x radians / 2`). [...]
range_deviation optional | :: float | The maximum deviation of the projectile maximum range from `max_range` is `max_range × range_deviation ÷ 2`. [...]
The maximum deviation of the projectile maximum range from `max_range` is `max_range × range_deviation ÷ 2`. [...]
max_range optional | :: double |
min_range optional | :: double |

Inherited from TriggerDeliveryItem

source_effects optional | :: TriggerEffect | Provides the source of the TriggerDelivery as both the source and target of the effect.
Provides the source of the TriggerDelivery as both the source and target of the effect.
target_effects optional | :: TriggerEffect |

projectile | :: EntityID | Name of a ProjectilePrototype.
Name of a ProjectilePrototype.
starting_speed | :: float | Starting speed in tiles per tick.
Starting speed in tiles per tick.
type | :: `"projectile"` |
direction_deviation optional | :: float | Maximum deviation of the projectile from source orientation, in +/- (`x radians / 2`). [...]
Maximum deviation of the projectile from source orientation, in +/- (`x radians / 2`). [...]
max_range optional | :: double |
min_range optional | :: double |
range_deviation optional | :: float | The maximum deviation of the projectile maximum range from `max_range` is `max_range × range_deviation ÷ 2`. [...]
The maximum deviation of the projectile maximum range from `max_range` is `max_range × range_deviation ÷ 2`. [...]
starting_speed_deviation optional | :: float |

Inherited from TriggerDeliveryItem

source_effects optional | :: TriggerEffect | Provides the source of the TriggerDelivery as both the source and target of the effect.
Provides the source of the TriggerDelivery as both the source and target of the effect.
target_effects optional | :: TriggerEffect |

## Properties

### type :: `"projectile"`

### projectile :: EntityID

Name of a ProjectilePrototype.

### starting_speed :: float

Starting speed in tiles per tick.

### starting_speed_deviation :: float optional

Default: `0`

### direction_deviation :: float optional

Default: `0`

Maximum deviation of the projectile from source orientation, in +/- (`x radians / 2`). Example: `3.14 radians -> +/- (180° / 2)`, meaning up to 90° deviation in either direction of rotation.

### range_deviation :: float optional

Default: `0`

The maximum deviation of the projectile maximum range from `max_range` is `max_range × range_deviation ÷ 2`. This means a deviation of `0.5` will appear as a maximum of `0.25` (25%) deviation of an initial range goal. Post-deviation range may exceed `max_range` or be less than `min_range`.

### max_range :: double optional

Default: `1000`

### min_range :: double optional

Default: `0`

Type used in

- TriggerDelivery