yo

Player.java

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+import java.awt.*;
+
+/**
+ * Player — pure data class.
+ *
+ * <p>Holds position, velocity, input state, sprite frames, and hitbox. No Swing, no game logic —
+ * GamePanel owns all of that.
+ */
+public class Player {
+
+  // ── Identity ──────────────────────────────────────────────────────────────
+  public final boolean isSeal; // false = bear, true = seal
+  public String name = "";
+
+  // ── Position & physics ────────────────────────────────────────────────────
+  public int x, y;
+  public int velocityY = 0;
+  public int speed = 5;
+  public boolean onGround = false;
+
+  // ── Input flags (set by GamePanel's KeyListener) ──────────────────────────
+  public boolean left, right, up;
+
+  // ── Hitbox (offset inward from sprite top-left) ───────────────────────────
+  public final Rectangle hitbox = new Rectangle(5, 10, 20, 30);
+
+  // ── Sprite animation ──────────────────────────────────────────────────────
+  public Image[] walkFrames;
+  public int currentFrame = 0;
+
+  // ── Constructor ───────────────────────────────────────────────────────────
+  public Player(boolean isSeal, Image[] frames) {
+    this.isSeal = isSeal;
+    this.walkFrames = frames;
+  }
+
+  // ── Helpers ───────────────────────────────────────────────────────────────
+
+  /** Returns the current animation frame, or null if no sprites loaded. */
+  public Image currentSprite() {
+    if (walkFrames == null || walkFrames.length == 0) return null;
+    return walkFrames[currentFrame];
+  }
+
+  /** Moves the player to (x, y) and repositions the hitbox to match. */
+  public void setPosition(int x, int y) {
+    this.x = x;
+    this.y = y;
+    syncHitbox();
+  }
+
+  /** Call after any manual change to x or y to keep the hitbox aligned. */
+  public void syncHitbox() {
+    hitbox.setLocation(x + 5, y + 10);
+  }
+
+  /** Advance animation frame; typically called every N game-loop ticks. */
+  public void nextFrame() {
+    if (walkFrames != null && walkFrames.length > 1)
+      currentFrame = (currentFrame + 1) % walkFrames.length;
+  }
+
+  /** Reset to idle (frame 0). */
+  public void idleFrame() {
+    currentFrame = 0;
+  }
+
+  /** Clear all movement input flags — call on level reset. */
+  public void clearInput() {
+    left = right = up = false;
+  }
+}