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ClassLuaRenderingchanged

Allows rendering of geometric shapes, text and sprites in the game world through the global object named rendering. Each render object is identified by an id that is universally unique for the lifetime of a whole game.

If an entity target of an object is destroyed or changes surface, then the object is also destroyed.

Members

draw_line{color=…, width=…, gap_length?=…, dash_length?=…, dash_offset?=…, from=…, to=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a line.

Create a line.

draw_text{text=…, surface=…, target=…, color=…, scale?=…, font?=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, orientation?=…, alignment?=…, vertical_alignment?=…, scale_with_zoom?=…, only_in_alt_mode?=…, use_rich_text?=…} changed → LuaRenderObject

Create a text. [...]

Create a text. [...]

draw_circle{color=…, radius=…, width?=…, filled?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a circle.

Create a circle.

draw_rectangle{color=…, width?=…, filled?=…, left_top=…, right_bottom=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a rectangle.

Create a rectangle.

draw_arc{color=…, max_radius=…, min_radius=…, start_angle=…, angle=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create an arc.

Create an arc.

draw_polygon{color=…, vertices=…, target?=…, orientation?=…, orientation_target?=…, use_target_orientation?=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a triangle mesh defined by a triangle strip.

Create a triangle mesh defined by a triangle strip.

draw_sprite{sprite=…, orientation?=…, x_scale?=…, y_scale?=…, tint?=…, render_layer?=…, orientation_target?=…, use_target_orientation?=…, oriented_offset?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a sprite.

Create a sprite.

draw_light{sprite=…, orientation?=…, scale?=…, intensity?=…, minimum_darkness?=…, oriented?=…, color?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create a light. [...]

Create a light. [...]

draw_animation{animation=…, orientation?=…, x_scale?=…, y_scale?=…, tint?=…, render_layer?=…, animation_speed?=…, animation_offset?=…, orientation_target?=…, use_target_orientation?=…, oriented_offset?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} changed → LuaRenderObject

Create an animation.

Create an animation.

get_all_objects(mod_name?) new → array[LuaRenderObject]

Gets an array of all valid objects.

Gets an array of all valid objects.

clear(mod_name?)

Destroys all render objects.

Destroys all render objects.

get_object_by_id(object_id) new → LuaRenderObject?

Gives LuaRenderObject for given object ID. [...]

Gives LuaRenderObject for given object ID. [...]

object_name :: R string

The class name of this object. [...]

The class name of this object. [...]

Methods

draw_line{color=…, width=…, gap_length?=…, dash_length?=…, dash_offset?=…, from=…, to=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a line.

Parameters

Table with the following fields:
color :: Color
width :: float

In pixels (32 per tile).

In pixels (32 per tile).

gap_length :: double?

Length of the gaps that this line has, in tiles. Default is 0.

Length of the gaps that this line has, in tiles. Default is 0.

dash_length :: double?

Length of the dashes that this line has. Used only if gap_length > 0. Default is 0.

Length of the dashes that this line has. Used only if gap_length > 0. Default is 0.

dash_offset :: double?

Starting offset to apply to dashes. Cannot be greater than dash_length + gap_length. Default is 0.

Starting offset to apply to dashes. Cannot be greater than dash_length + gap_length. Default is 0.

from :: ScriptRenderTarget
to :: ScriptRenderTarget
surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Defaults to false.

If this should be drawn below sprites and entities. Defaults to false.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

Examples 

-- Draw a white and 2 pixel wide line from {0, 0} to {2, 2}.
rendering.draw_line{surface = game.player.surface, from = {0, 0}, to = {2, 2}, color = {1, 1, 1}, width = 2}

-- Draw a red and 3 pixel wide line from {0, 0} to {0, 5}. The line has 1 tile long dashes and gaps.
rendering.draw_line{surface = game.player.surface, from = {0, 0}, to = {0, 5}, color = {r = 1}, width = 3, gap_length = 1, dash_length = 1}

draw_text{text=…, surface=…, target=…, color=…, scale?=…, font?=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, orientation?=…, alignment?=…, vertical_alignment?=…, scale_with_zoom?=…, only_in_alt_mode?=…, use_rich_text?=…} → LuaRenderObjectchanged

Create a text.

Not all fonts support scaling.

Parameters

Table with the following fields:
text :: LocalisedString

The text to display.

The text to display.

surface :: SurfaceIdentification
target :: ScriptRenderTarget
color :: Color
scale :: double?
font :: string?

Name of font to use. Defaults to the same font as flying-text.

Name of font to use. Defaults to the same font as flying-text.

time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Rich text does not support this option. Defaults to false.

If this should be drawn below sprites and entities. Rich text does not support this option. Defaults to false.

orientation :: RealOrientation?

The orientation of the text. Default is 0.

The orientation of the text. Default is 0.

alignment :: TextAlign?

Defaults to "left".

Defaults to "left".

vertical_alignment :: VerticalTextAlign?

Defaults to "top".

Defaults to "top".

scale_with_zoom :: boolean?

Defaults to false. If true, the text scales with player zoom, resulting in it always being the same size on screen, and the size compared to the game world changes.

Defaults to false. If true, the text scales with player zoom, resulting in it always being the same size on screen, and the size compared to the game world changes.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

use_rich_text :: boolean?

If rich text rendering is enabled. Defaults to false.

If rich text rendering is enabled. Defaults to false.

draw_circle{color=…, radius=…, width?=…, filled?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a circle.

Parameters

Table with the following fields:
color :: Color
radius :: double

In tiles.

In tiles.

width :: float?

Width of the outline, used only if filled = false. Value is in pixels (32 per tile). Defaults to 1.

Width of the outline, used only if filled = false. Value is in pixels (32 per tile). Defaults to 1.

filled :: boolean?

If the circle should be filled. Defaults to false.

If the circle should be filled. Defaults to false.

target :: ScriptRenderTarget
surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Defaults to false.

If this should be drawn below sprites and entities. Defaults to false.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

draw_rectangle{color=…, width?=…, filled?=…, left_top=…, right_bottom=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a rectangle.

Parameters

Table with the following fields:
color :: Color
width :: float?

Width of the outline, used only if filled = false. Value is in pixels (32 per tile). Defaults to 1.

Width of the outline, used only if filled = false. Value is in pixels (32 per tile). Defaults to 1.

filled :: boolean?

If the rectangle should be filled. Defaults to false.

If the rectangle should be filled. Defaults to false.

left_top :: ScriptRenderTarget
right_bottom :: ScriptRenderTarget
surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Defaults to false.

If this should be drawn below sprites and entities. Defaults to false.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

Example 

-- Draw a white and 1 pixel wide square outline with the corners {0, 0} and {2, 2}.
rendering.draw_rectangle{surface = game.player.surface, left_top = {0, 0}, right_bottom = {2, 2}, color = {1, 1, 1}}

draw_arc{color=…, max_radius=…, min_radius=…, start_angle=…, angle=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create an arc.

Parameters

Table with the following fields:
color :: Color
max_radius :: double

The radius of the outer edge of the arc, in tiles.

The radius of the outer edge of the arc, in tiles.

min_radius :: double

The radius of the inner edge of the arc, in tiles.

The radius of the inner edge of the arc, in tiles.

start_angle :: float

Where the arc starts, in radian.

Where the arc starts, in radian.

angle :: float

The angle of the arc, in radian.

The angle of the arc, in radian.

target :: ScriptRenderTarget
surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Defaults to false.

If this should be drawn below sprites and entities. Defaults to false.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

draw_polygon{color=…, vertices=…, target?=…, orientation?=…, orientation_target?=…, use_target_orientation?=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, draw_on_ground?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a triangle mesh defined by a triangle strip.

Parameters

Table with the following fields:
color :: Color
vertices :: array[ScriptRenderTarget]
target :: ScriptRenderTarget?

Acts like an offset applied to all vertices that are not set to an entity.

Acts like an offset applied to all vertices that are not set to an entity.

orientation :: RealOrientation?

The orientation applied to all vertices. Default is 0.

The orientation applied to all vertices. Default is 0.

orientation_target :: ScriptRenderTarget?

If given, the vertices (that are not set to an entity) rotate so that it faces this target. Note that orientation is still applied.

If given, the vertices (that are not set to an entity) rotate so that it faces this target. Note that orientation is still applied.

use_target_orientation :: boolean?

Only used if orientation_target is a LuaEntity.

Only used if orientation_target is a LuaEntity.

surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

draw_on_ground :: boolean?

If this should be drawn below sprites and entities. Defaults to false.

If this should be drawn below sprites and entities. Defaults to false.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

draw_sprite{sprite=…, orientation?=…, x_scale?=…, y_scale?=…, tint?=…, render_layer?=…, orientation_target?=…, use_target_orientation?=…, oriented_offset?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a sprite.

Parameters

Table with the following fields:
sprite :: SpritePath
orientation :: RealOrientation?

The orientation of the sprite. Default is 0.

The orientation of the sprite. Default is 0.

x_scale :: double?

Horizontal scale of the sprite. Default is 1.

Horizontal scale of the sprite. Default is 1.

y_scale :: double?

Vertical scale of the sprite. Default is 1.

Vertical scale of the sprite. Default is 1.

tint :: Color?
render_layer :: RenderLayer?

Render layer of the sprite. Defaults to "arrow".

Render layer of the sprite. Defaults to "arrow".

orientation_target :: ScriptRenderTarget?

If given, the sprite rotates so that it faces this target. Note that orientation is still applied to the sprite.

If given, the sprite rotates so that it faces this target. Note that orientation is still applied to the sprite.

use_target_orientation :: boolean?

Only used if orientation_target is a LuaEntity.

Only used if orientation_target is a LuaEntity.

oriented_offset :: Vector?

Offsets the center of the sprite if orientation_target is given. This offset will rotate together with the sprite.

Offsets the center of the sprite if orientation_target is given. This offset will rotate together with the sprite.

target :: ScriptRenderTarget

Center of the sprite.

Center of the sprite.

surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

Examples 

-- This will draw an iron plate icon at the character's feet. The sprite will move together with the character.
rendering.draw_sprite{sprite = "item.iron-plate", target = game.player.character, surface = game.player.surface}

-- This will draw an iron plate icon at the character's head. The sprite will move together with the character.
rendering.draw_sprite{sprite = "item.iron-plate", target = {entity = game.player.character, offset = {0, -2}}, surface = game.player.surface}

draw_light{sprite=…, orientation?=…, scale?=…, intensity?=…, minimum_darkness?=…, oriented?=…, color?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create a light.

The base game uses the utility sprites light_medium and light_small for lights.

Parameters

Table with the following fields:
sprite :: SpritePath
orientation :: RealOrientation?

The orientation of the light. Default is 0.

The orientation of the light. Default is 0.

scale :: float?

Default is 1.

Default is 1.

intensity :: float?

Default is 1.

Default is 1.

minimum_darkness :: float?

The minimum darkness at which this light is rendered. Default is 0.

The minimum darkness at which this light is rendered. Default is 0.

oriented :: boolean?

If this light has the same orientation as the entity target, default is false. Note that orientation is still applied to the sprite.

If this light has the same orientation as the entity target, default is false. Note that orientation is still applied to the sprite.

color :: Color?

Defaults to white (no tint).

Defaults to white (no tint).

target :: ScriptRenderTarget

Center of the light.

Center of the light.

surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

draw_animation{animation=…, orientation?=…, x_scale?=…, y_scale?=…, tint?=…, render_layer?=…, animation_speed?=…, animation_offset?=…, orientation_target?=…, use_target_orientation?=…, oriented_offset?=…, target=…, surface=…, time_to_live?=…, forces?=…, players?=…, visible?=…, only_in_alt_mode?=…} → LuaRenderObjectchanged

Create an animation.

Parameters

Table with the following fields:
animation :: string

Name of an AnimationPrototype.

Name of an AnimationPrototype.

orientation :: RealOrientation?

The orientation of the animation. Default is 0.

The orientation of the animation. Default is 0.

x_scale :: double?

Horizontal scale of the animation. Default is 1.

Horizontal scale of the animation. Default is 1.

y_scale :: double?

Vertical scale of the animation. Default is 1.

Vertical scale of the animation. Default is 1.

tint :: Color?
render_layer :: RenderLayer?

Render layer of the animation. Defaults to "arrow".

Render layer of the animation. Defaults to "arrow".

animation_speed :: double?

How many frames the animation goes forward per tick. Default is 1.

How many frames the animation goes forward per tick. Default is 1.

animation_offset :: double?

Offset of the animation in frames. Default is 0.

Offset of the animation in frames. Default is 0.

orientation_target :: ScriptRenderTarget?

If given, the animation rotates so that it faces this target. Note that orientation is still applied to the animation.

If given, the animation rotates so that it faces this target. Note that orientation is still applied to the animation.

use_target_orientation :: boolean?

Only used if orientation_target is a LuaEntity.

Only used if orientation_target is a LuaEntity.

oriented_offset :: Vector?

Offsets the center of the animation if orientation_target is given. This offset will rotate together with the animation.

Offsets the center of the animation if orientation_target is given. This offset will rotate together with the animation.

target :: ScriptRenderTarget

Center of the animation.

Center of the animation.

surface :: SurfaceIdentification
time_to_live :: uint?

In ticks. Defaults to living forever.

In ticks. Defaults to living forever.

forces :: ForceSet?

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

The forces that this object is rendered to. Passing nil or an empty table will render it to all forces.

players :: array[PlayerIdentification]?

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

The players that this object is rendered to. Passing nil or an empty table will render it to all players.

visible :: boolean?

If this is rendered to anyone at all. Defaults to true.

If this is rendered to anyone at all. Defaults to true.

only_in_alt_mode :: boolean?

If this should only be rendered in alt mode. Defaults to false.

If this should only be rendered in alt mode. Defaults to false.

get_all_objects(mod_name?) → array[LuaRenderObject] new

Gets an array of all valid objects.

Parameters

mod_name :: string?

If provided, get only the render objects created by this mod. An empty string ("") refers to all objects not belonging to a mod, such as those created using console commands.

If provided, get only the render objects created by this mod. An empty string ("") refers to all objects not belonging to a mod, such as those created using console commands.

clear(mod_name?)

Destroys all render objects.

Parameters

mod_name :: string?

If provided, only the render objects created by this mod are destroyed. An empty string ("") refers to all objects not belonging to a mod, such as those created using console commands.

If provided, only the render objects created by this mod are destroyed. An empty string ("") refers to all objects not belonging to a mod, such as those created using console commands.

get_object_by_id(object_id) → LuaRenderObject?new

Gives LuaRenderObject for given object ID. May return nil if object does not exist or is invalid.

Parameters

object_id :: uint64

Attributes

object_name :: Read string  

The class name of this object. Available even when valid is false. For LuaStruct objects it may also be suffixed with a dotted path to a member of the struct.

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