Create app.py

app.py

@@ -0,0 +1,40 @@
+# app.py
+from flask import Flask, send_from_directory, jsonify, request
+import os
+
+app = Flask(__name__)
+
+# Default simulation parameters
+simulation_params = {
+    "brown_sphere": {"mass": 92, "position": [0, 0, 0]},
+    "green_sphere": {"mass": 29, "position": [5, 0, 5]},
+    "red_sphere": {"mass": 10, "position": [-5, 0, -5]},
+    "fluid_speed": 0.1
+}
+
+# Serve the frontend
+@app.route('/')
+def serve_index():
+    return send_from_directory('static', 'index.html')
+
+# Serve static files (CSS, JS)
+@app.route('/static/<path:path>')
+def serve_static(path):
+    return send_from_directory('static', path)
+
+# API to get simulation parameters
+@app.route('/api/params', methods=['GET'])
+def get_params():
+    return jsonify(simulation_params)
+
+# API to update simulation parameters
+@app.route('/api/params', methods=['POST'])
+def update_params():
+    global simulation_params
+    data = request.get_json()
+    simulation_params.update(data)
+    return jsonify({"status": "success", "params": simulation_params})
+
+if __name__ == '__main__':
+    port = int(os.environ.get('PORT', 7860))  # Default port for Hugging Face Spaces
+    app.run(host='0.0.0.0', port=port)