ValueTracker R6 Class

A "virtual" mobject that holds a single numeric value. Used with updaters to drive animations based on changing parameters.

Super class

manimR::MObject -> ValueTracker

Public fields

value

The tracked numeric value

Methods

Public methods

• ValueTracker$new()

• ValueTracker$get_value()

• ValueTracker$set_value()

• ValueTracker$increment_value()

• ValueTracker$animate_value()

• ValueTracker$clone()

Inherited methods

• manimR::MObject$add_updater()
• manimR::MObject$align_to()
• manimR::MObject$clear_updaters()
• manimR::MObject$copy()
• manimR::MObject$generate_target()
• manimR::MObject$get_bottom()
• manimR::MObject$get_bounding_box()
• manimR::MObject$get_center()
• manimR::MObject$get_corner()
• manimR::MObject$get_height()
• manimR::MObject$get_left()
• manimR::MObject$get_right()
• manimR::MObject$get_top()
• manimR::MObject$get_width()
• manimR::MObject$match_color()
• manimR::MObject$move_to()
• manimR::MObject$next_to()
• manimR::MObject$print()
• manimR::MObject$rotate()
• manimR::MObject$scale()
• manimR::MObject$set_color()
• manimR::MObject$set_opacity()
• manimR::MObject$shift()
• manimR::MObject$to_corner()
• manimR::MObject$to_edge()

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Method new()

Create a ValueTracker

Usage

ValueTracker$new(value = 0)

Arguments

value

Initial value

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Method get_value()

Get the current value

Usage

ValueTracker$get_value()

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Method set_value()

Set the value

Usage

ValueTracker$set_value(new_value)

Arguments

new_value

New numeric value

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Method increment_value()

Increment the value

Usage

ValueTracker$increment_value(delta)

Arguments

delta

Amount to add

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Method animate_value()

Animate the value from current to target

Usage

ValueTracker$animate_value(target_value, run_time = 1, rate_func = "smooth")

Arguments

target_value

Final value

run_time

Duration

rate_func

Easing

Returns

An Animation that changes the value

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Method clone()

The objects of this class are cloneable with this method.

Usage

ValueTracker$clone(deep = FALSE)

Arguments

deep

Whether to make a deep clone.