Update app.py

app.py

@@ -4,12 +4,28 @@ import os
 
 app = Flask(__name__)
 
-# Default simulation parameters
+# Updated simulation parameters with real-world masses (scaled down for simulation)
+# Sun: 1.989 x 10^30 kg, Earth: 5.972 x 10^24 kg, Mars: 6.417 x 10^23 kg
+# Scale factor: 1e-26 for manageable numbers
 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
+    "sun": {
+        "mass": 1.989e4,  # Scaled mass (1.989 x 10^30 kg * 1e-26)
+        "position": [0, 0, 0],
+        "orbital_velocity": 0,  # Sun is stationary
+    },
+    "earth": {
+        "mass": 5.972e-2,  # Scaled mass (5.972 x 10^24 kg * 1e-26)
+        "position": [10, 0, 0],  # Approx 1 AU scaled down (149.6 million km -> 10 units)
+        "orbital_velocity": 0.0298,  # 29.8 km/s scaled down
+    },
+    "mars": {
+        "mass": 6.417e-3,  # Scaled mass (6.417 x 10^23 kg * 1e-26)
+        "position": [15, 0, 0],  # Approx 1.52 AU scaled down (227.9 million km -> 15 units)
+        "orbital_velocity": 0.0241,  # 24.1 km/s scaled down
+    },
+    "fluid_speed": 0.1,
+    "fluid_friction": 0.9,  # Default friction factor
+    "fluid_deflection": 0.1,  # Default deflection strength
 }
 
 # Serve the frontend