From 4bed72496fa16e17ce3c1be7cbb9e4494215e537 Mon Sep 17 00:00:00 2001
From: A-0-A-0-A <3131489786@qq,com>
Date: Thu, 30 Apr 2026 23:05:44 +0800
Subject: [PATCH] =?UTF-8?q?=E4=BB=A3=E7=A0=81=E6=8F=90=E4=BA=A4?=
MIME-Version: 1.0
Content-Type: text/plain; charset=UTF-8
Content-Transfer-Encoding: 8bit

---
 tactile/code/interfaces.py | 110 +++++++++++++++++++++++++++++++++++++
 1 file changed, 110 insertions(+)
 create mode 100644 tactile/code/interfaces.py

diff --git a/tactile/code/interfaces.py b/tactile/code/interfaces.py
new file mode 100644
index 00000000..14baa062
--- /dev/null
+++ b/tactile/code/interfaces.py
@@ -0,0 +1,110 @@
+"""Contains the classes that must be implemented to have a complete simulation.
+"""
+
+from weart import TextureType
+
+class Engine:
+    """Represents a link to a physics engine.
+    """
+    def move_finger(self, hand_id: int, finger: str, closure: float, abduction: float):
+        """Move one of the virtual fingers with an angle.
+
+        Args:
+            hand_id (int): 0 = left hand, 1 = right hand
+            finger (str): which finger to move (thumb, index, middle)
+            closure (float): closure value of the finger
+            abduction (float): abduction value of the finger
+        """
+        pass
+    def move_hand(self, hand_id: int, position: list[float], rotation: list[float]):
+        """Move the virtual hand in the simulation
+
+        Args:
+            hand_id (int): 0 = left hand, 1 = right hand
+            position (list[float]): cartesian position of the hand
+            rotation (list[float]): orientation quaternion of the hand
+        """
+        pass
+    def get_contact(self, hand_id: int, finger: str) -> tuple[float, TextureType | None]:
+        """Get the force the finger should feel in contact with the environment
+
+        Args:
+            hand_id (int): 0 = left hand, 1 = right hand
+            finger (str): thumb, index, middle, annular or pinky
+
+        Returns:
+            tuple[float, TextureType | None]:
+                a value between 0 and 1 for the force and an optional texture
+        """
+        return (0, None)
+    def start_simulation(self):
+        pass
+    def step_simulation(self, duration: float | None):
+        """Steps the simulation for the amount of time specified.
+
+        Args:
+            duration (float | None): amount of seconds to simulate.
+            If None, then only step once.
+        """        
+        pass
+    def reset_simulation(self):
+        """Resets the simulation to its original state.
+        """
+        pass
+    def stop_simulation(self):
+        pass
+
+class Visualizer:
+    """Represents a way to visualize the simulation.
+    """
+    def start_visualization(self):
+        pass
+    def wait_frame(self) -> tuple[bool, float | None]:
+        """Starts a render frame.
+
+        Returns:
+            tuple[bool, float | None]: a tuple containing True and the amount of
+            seconds this frame should durate (or None if unknown) IF the frame
+            should render, a tuple containing False and any other value otherwise.
+        """
+        return (True, None)
+    def render_frame(self):
+        pass
+    def should_exit(self) -> bool:
+        return False
+    def stop_visualization(self):
+        pass
+    def offset_origin(self, position: list[float]):
+        """Offsets the origin position of the visualization.
+
+        Args:
+            position (list[float]): a list of 3 floats describing the new offset (overrides the previous one)
+        """
+        pass
+
+class HandPoseProvider:
+    """Represents an object that can provide the position of hands in real-time.
+    """
+    def get_hand_pose(self, hand_id: int) -> tuple[list[float], list[float]] | None:
+        """Retrieves the hand pose.
+
+        Args:
+            hand_id (int): 0 = left hand, 1 = right hand
+
+        Returns:
+            tuple[list[float], list[float]] | None:
+                The position (cartesian) and rotation (quaternion) of the hand if present, None otherwise.
+        """        
+        pass
+
+class GUI:
+    """Represents a way for the user to interact with the simulation.
+    """
+    def start_gui(self, engine: Engine, visualizer: Visualizer):
+        pass
+    def should_exit(self) -> bool:
+        return False
+    def stop_gui(self):
+        pass
+
+__all__ = ['Engine', 'Visualizer', 'HandPoseProvider', 'GUI']
\ No newline at end of file