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'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 [];
}
},
};
const move_backward = {
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 [];
}
},
};
const turn_left = {
size: 1,
propose: (agent, head) => {
if (head[0] > threshold) {
const orientation = { n: 'w', e: 'n', s: 'e', w: 's' }[agent.flags.orientation];
return [{
agent_changes: [{
agent_id: agent.id,
flags: { orientation },
}],
}];
} else {
return [];
}
},
};
export const actions = [
move_forward, move_backward, turn_left,
];
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