implement move_forward action

1 files changed, 28 insertions, 0 deletions

diff --git a/src/simulation/actions.js b/src/simulation/actions.js
new file mode 100644
index 0000000..40545c5
--- /dev/null
+++ b/src/simulation/actions.js
@@ -0,0 +1,28 @@
+'use strict';
+
+const threshold = 0.5;
+
+
+const move_forward = {
+  size: 1,
+  propose: (agent, head) => {
+    if (head[0] > threshold) {
+      const dx = { n: 0, e: 1, s: 0, w: -1 }[agent.flags.orientation];
+      const dy = { n: -1, e: 0, s: 1, w: 0 }[agent.flags.orientation];
+      return [{
+        agent_changes: [{
+          agent_id: agent.id,
+          x: agent.x + dx,
+          y: agent.y + dy,
+        }],
+      }];
+    } else {
+      return [];
+    }
+  },
+};
+
+
+export const actions = [
+  move_forward,
+];