left {NetLogoR}

Rotate to the left

Description

Rotate the turtles's headings to the left of angle degrees.

Usage

left(turtles, angle)

## S4 method for signature 'agentMatrix,numeric'
left(turtles, angle)

Arguments

turtles

AgentMatrix object representing the moving agents.

angle

Numeric. Vector of angles in degrees by which to rotate the turtles' headings. Must be of length 1 or of length turtles.

Details

If a given angle value is negative, then the turtle rotates to the right.

Value

AgentMatrix representing the turtles with updated heading values.

Author(s)

Sarah Bauduin

References

Wilensky, U. 1999. NetLogo. http://ccl.northwestern.edu/netlogo/. Center for Connected Learning and Computer-Based Modeling, Northwestern University. Evanston, IL.

See Also

https://ccl.northwestern.edu/netlogo/docs/dictionary.html#left

Examples

w1 <- createWorld(minPxcor = 0, maxPxcor = 4, minPycor = 0, maxPycor = 4)
t1 <- createTurtles(n = 10, world = w1)
of(agents = t1, var = "heading")
t1 <- left(turtles = t1, angle = 180)
of(agents = t1, var = "heading")