Report the coordinates of the patches at the given
distances of the
turtles in the direction of their headings.
patchAhead(world, turtles, dist, torus = FALSE) # S4 method for worldNLR,agentMatrix,numeric patchAhead(world, turtles, dist, torus = FALSE)
WorldMatrix or worldArray object.
AgentMatrix object representing the moving agents.
Numeric. Vector of distances from the
Logical to determine if the
Matrix (ncol = 2) with the first column "pxcor" and the second column
"pycor" representing the coordinates of the patches at the distances
turtles's headings directions
turtles. The order of the patches follows the order of the
torus = FALSE and the patch at distance
dist of a turtle
is outside the
are returned for the patch coordinates. If
torus = TRUE, the patch
coordinates from a wrapped
world are returned.
Wilensky, U. 1999. NetLogo. http://ccl.northwestern.edu/netlogo/. Center for Connected Learning and Computer-Based Modeling, Northwestern University. Evanston, IL.
w1 <- createWorld(minPxcor = 0, maxPxcor = 9, minPycor = 0, maxPycor = 9) t1 <- createTurtles(n = 10, coords = randomXYcor(w1, n = 10)) patchAhead(world = w1, turtles = t1, dist = 1)#> pxcor pycor #> [1,] 8 6 #> [2,] 3 0 #> [3,] NA NA #> [4,] 2 8 #> [5,] 6 2 #> [6,] 2 7 #> [7,] NA NA #> [8,] 4 2 #> [9,] 1 9 #> [10,] NA NA