first

self_talk_ai/src/main.rs

@@ -0,0 +1,56 @@
+use chrono::{Duration, Local, NaiveDateTime};
+
+#[derive(Debug)]
+struct AIState {
+    relation_score: f32,
+    previous_score: f32,
+    decay_rate: f32,
+    sensitivity: f32,
+    message_threshold: f32,
+    last_message_time: NaiveDateTime,
+}
+
+impl AIState {
+    fn update(&mut self, now: NaiveDateTime) {
+        let days_passed = (now - self.last_message_time).num_days() as f32;
+        let decay = self.decay_rate * days_passed;
+        self.previous_score = self.relation_score;
+        self.relation_score -= decay;
+        self.relation_score = self.relation_score.clamp(0.0, 100.0);
+    }
+
+    fn should_talk(&self) -> bool {
+        let delta = self.previous_score - self.relation_score;
+        delta > self.message_threshold && self.sensitivity > 0.5
+    }
+
+    fn generate_message(&self) -> String {
+        let _delta = self.previous_score - self.relation_score;
+        match self.relation_score as i32 {
+            80..=100 => "ふふっ、最近どうしてる？会いたくなっちゃった！".to_string(),
+            60..=79 => "ちょっとだけ、さみしかったんだよ？".to_string(),
+            40..=59 => "えっと……話せる時間ある？".to_string(),
+            _ => "ううん、もしかして私のこと、忘れちゃったのかな……".to_string(),
+        }
+    }
+}
+
+fn main() {
+    let now = Local::now().naive_local();
+    let mut ai = AIState {
+        relation_score: 80.0,
+        previous_score: 80.0,
+        decay_rate: 1.5,            // 1日あたりの減少スコア
+        sensitivity: 0.8,
+        message_threshold: 5.0,
+        last_message_time: now - Duration::days(4), // 最後の会話から4日経過
+    };
+
+    ai.update(now);
+
+    if ai.should_talk() {
+        println!("AI発話: {}", ai.generate_message());
+    } else {
+        println!("まだ何も言わずにそっとしているようです...");
+    }
+}