Added wave

wave/script.py

@@ -0,0 +1,36 @@
+from pyodide import create_proxy, to_js
+import numpy as np
+import js
+
+# Auslenkung -> ω * t = 2πft
+def deflection(frequency, time):
+    return np.sin(2 * np.pi * frequency * time)
+
+
+# Schwebung -> y(t) = y^(sin(2πft) + sin(2πft)); Annahme gleicher Amplitude (1), keine Phasenverschiebung
+def beat(freq1, freq2, time):
+    return deflection(freq1, time) + deflection(freq2, time)
+
+
+def freq_update(event):
+    document.querySelector("#freqlabel").innerText = freq2.value
+    plot()
+
+
+def plot():
+    beat_deflection = beat(freq1, float(freq2.value), time)
+    js.update(to_js(time), to_js(beat_deflection))
+
+
+freq1 = 440
+freq2 = document.querySelector("#freq")
+
+proxy = create_proxy(freq_update)
+freq2.addEventListener("input", proxy)
+
+sampling_frequency = 1920 / 10 * 4
+seconds = 2
+time = np.linspace(0, seconds, int(seconds * sampling_frequency))
+
+
+plot()