turtlesAt | R Documentation |
Turtles
atReport the individuals among turtles
that are located on the patches
at
(dx, dy)
distances of the agents
.
turtlesAt(world, turtles, agents, dx, dy, breed, torus = FALSE) ## S4 method for signature ## 'worldNLR,agentMatrix,matrix,numeric,numeric,missing' turtlesAt(world, turtles, agents, dx, dy, torus) ## S4 method for signature ## 'worldNLR,agentMatrix,matrix,numeric,numeric,character' turtlesAt(world, turtles, agents, dx, dy, breed, torus = FALSE)
world |
|
turtles |
|
agents |
Matrix ( `AgentMatrix` object representing the moving `agents`. |
dx |
Numeric. Vector of distances to the east (right) from the |
dy |
Numeric. Vector of distances to the north (up) from the |
breed |
Characters. Vector of |
torus |
Logical to determine if the |
If the patch
at distance (dx, dy)
of an agent
is outside of the world
's extent and torus = FALSE
,
no turtle
is returned;
if torus = TRUE
, the turtle
located on the patch
whose coordinates
are defined from the wrapped world
is returned.
AgentMatrix
representing the individuals among turtles
of any of the given breed
, if specified,
which are located on the patches
at (dx, dy)
distances of the
agents
.
Sarah Bauduin
Wilensky, U. 1999. NetLogo. http://ccl.northwestern.edu/netlogo/. Center for Connected Learning and Computer-Based Modeling, Northwestern University. Evanston, IL.
https://ccl.northwestern.edu/netlogo/docs/dictionary.html#turtles-at
https://ccl.northwestern.edu/netlogo/docs/dictionary.html#at-points
w1 <- createWorld(minPxcor = 0, maxPxcor = 9, minPycor = 0, maxPycor = 9) t1 <- createTurtles(n = 10, coords = cbind(xcor = 0:9, ycor = 0:9), breed = c(rep("sheep", 5), rep("wolf", 5))) t2 <- turtlesAt(world = w1, turtles = t1, agents = turtle(t1, who = 0), dx = 1, dy = 1) t3 <- turtlesAt(world = w1, turtles = t1, agents = patch(w1, c(3,4,5), c(3,4,5)), dx = 1, dy = 1, breed = "sheep")
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