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2D Swarm Scenarios with boids4R

2D Swarm Scenarios

These examples use boids4R scenario builders and render current boids, species-aware velocity arrows, faint recent trails, and obstacle or predator context rings through ggWebGL.

Code examples are shown by default. Live WebGL widgets are disabled during CRAN, package checks, and CI. Rich local or pkgdown rendering requires GGWEBGL_EVAL_COVERAGE_VIGNETTE=true and GGWEBGL_EVAL_LIVE_WIDGETS=true.

if (!boids4r_available) {
  cat("boids4R is unavailable, so live 2D boids widgets are skipped.\n")
} else if (!ggwebgl_eval_widgets) {
  cat("boids4R is available, but live 2D boids widgets are skipped because live widget evaluation is disabled.\n")
} else {
  cat("boids4R is available; live 2D boids widgets will be rendered below.\n")
}

Schooling 2D

if (!boids4r_available) {
  cat("Schooling widget skipped.\n")
} else {
  render_2d_boids_scenario("schooling_2d", n = 180L, seed = 111L)
}

Obstacle Corridor 2D

if (!boids4r_available) {
  cat("Obstacle corridor widget skipped.\n")
} else {
  render_2d_boids_scenario("obstacle_corridor_2d", n = 160L, seed = 112L)
}

Predator Avoidance 2D

if (!boids4r_available) {
  cat("Predator avoidance widget skipped.\n")
} else {
  render_2d_boids_scenario("predator_avoidance_2d", n = 170L, seed = 113L)
}

These binaries (installable software) and packages are in development.
They may not be fully stable and should be used with caution. We make no claims about them.
Health stats visible at Monitor.