Check if Walker Touches a Black Pixel — touches_black • randomwalk

Checks if the walker's current position is on a black pixel.

Usage

touches_black(walker, grid, boundary = c("terminate", "wrap"))

Arguments

walker: List. Walker object.
grid: Numeric matrix. The simulation grid.
boundary: Character. Boundary condition ("terminate" or "wrap").

Value

Logical. TRUE if walker is on a black pixel.