Initialize Game of Life example

examples/conways_game_of_life/app.py

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+import mesa
+
+import streamlit as st
+
+import time
+
+import pandas as pd
+
+import altair as alt
+
+import plotly.express as px
+
+import numpy as np
+from conways_game_of_life.model import ConwaysGameOfLife
+
+import pandas as pd
+
+
+import random
+
+model = st.title("Boltzman Wealth Model")
+num_ticks = st.slider(
+    "Select number of Simulation Runs", min_value=1, max_value=100, value=50
+)
+height = st.slider("Select Grid Height", min_value=10, max_value=100, step=10, value=15)
+width = st.slider("Select Grid Width", min_value=10, max_value=100, step=10, value=20)
+model = ConwaysGameOfLife(height, width)
+
+col1, col2, col3 = st.columns(3)
+status_text = st.empty()
+# step_mode = st.checkbox('Run Step-by-Step')
+run = st.button("Run Simulation")
+
+
+if run:
+    tick = time.time()
+    step = 0
+    # init grid
+    df_grid = pd.DataFrame()
+    agent_counts = np.zeros((model.grid.width, model.grid.height))
+    for x in range(width):
+        for y in range(height):
+            df_grid = pd.concat(
+                [df_grid, pd.DataFrame({"x": [x], "y": [y], "state": [0]})],
+                ignore_index=True,
+            )
+
+    heatmap = (
+        alt.Chart(df_grid)
+        .mark_point(size=100)
+        .encode(x="x", y="y", color=alt.Color("state"))
+        .interactive()
+        .properties(width=800, height=600)
+    )
+
+    # init progress bar
+    my_bar = st.progress(0, text="Simulation Progress")  # progress
+    placeholder = st.empty()
+    st.subheader("Agent Grid")
+    chart = st.altair_chart(heatmap, use_container_width=True)
+    color_scale = alt.Scale(domain=[0, 1], range=["red", "yellow"])
+    for i in range(num_ticks):
+        model.step()
+        my_bar.progress((i / num_ticks), text="Simulation progress")
+        placeholder.text("Step = %d" % i)
+        for contents, x, y in model.grid.coord_iter():
+            # print('x:',x,'y:',y, 'state:',contents)
+            selected_row = df_grid[(df_grid["x"] == x) & (df_grid["y"] == y)]
+            df_grid.loc[
+                selected_row.index, "state"
+            ] = contents.state  # random.choice([1,2])
+
+        heatmap = (
+            alt.Chart(df_grid)
+            .mark_circle(size=100)
+            .encode(x="x", y="y", color=alt.Color("state", scale=color_scale))
+            .interactive()
+            .properties(width=800, height=600)
+        )
+        chart.altair_chart(heatmap)
+
+        time.sleep(0.1)
+
+    tock = time.time()
+    st.success(f"Simulation completed in {tock - tick:.2f} secs")