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shienashiena
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add sample scene
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81 files changed

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‎Assets/Scenes/SampleScene.unity‎

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‎Assets/Scripts/PlotRandom.cs‎

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using Python.Runtime;
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using System;
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using UnityEngine;
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using UnityEngine.UI;
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namespace UnityPython
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{
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[DefaultExecutionOrder(-1)]
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public class PlotRandom : MonoBehaviour
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{
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[SerializeField] private RawImage _rawImage;
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[SerializeField] private Button _button;
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private void OnEnable()
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{
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_button.onClick.AddListener(PlotFig);
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}
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private void OnDisable()
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{
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_button.onClick.RemoveListener(PlotFig);
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}
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private void PlotFig()
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{
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using (Py.GIL())
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{
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using dynamic plotRandom = Py.Import("plot_random");
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// numpy配列のGCを防ぐためにC#側で保持して別途アドレス変換を呼び出す
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using var pixels = plotRandom.draw();
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using var ret = plotRandom.getarrayaddr(pixels);
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var (addr, w, h, s) = ((long)ret[0], (int)ret[1], (int)ret[2], (int)ret[3]);
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var ptr = new IntPtr(addr);
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ReadOnlySpan<byte> span;
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unsafe
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{
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span = new ReadOnlySpan<byte>(ptr.ToPointer(), w*h*s);
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}
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LoadImage(span, w, h);
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}
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}
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private void LoadImage(ReadOnlySpan<byte> rawData, int w, int h)
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{
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var tex = new Texture2D(w, h, TextureFormat.RGBA32, false)
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{
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filterMode = FilterMode.Point
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};
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tex.LoadRawTextureData(rawData.ToArray());
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tex.Apply();
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Destroy(_rawImage.texture);
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_rawImage.texture = tex;
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}
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private void OnDestroy()
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{
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Destroy(_rawImage.texture);
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}
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}
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}

‎Assets/Scripts/PlotRandom.cs.meta‎

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‎Assets/Scripts/UnityPython.asmdef‎

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"references": [],
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"includePlatforms": [],
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"excludePlatforms": [],
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"allowUnsafeCode": false,
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"allowUnsafeCode": true,
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"overrideReferences": true,
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"precompiledReferences": [
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"Python.Runtime.dll"

‎Assets/StreamingAssets/myproject.meta‎

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‎Assets/StreamingAssets/myproject/plot_random.py‎

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import numpy as np
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import matplotlib.pyplot as plt
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import ctypes
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def draw():
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rand_array = np.random.rand(10000)
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fig = plt.figure()
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ax = fig.add_subplot(1, 1, 1)
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ax.hist(rand_array, bins=20, ec="b")
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canvas = plt.get_current_fig_manager().canvas
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canvas.draw()
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buf = canvas.buffer_rgba()
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width, height = canvas.get_width_height()
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pixels = np.frombuffer(buf, dtype=np.uint8).reshape(height, width, 4)
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return np.flipud(pixels).copy()
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def getarrayaddr(pixels):
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h, w, s = pixels.shape
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c_addr = pixels.ctypes.data_as(ctypes.POINTER(ctypes.c_uint8 * w * h * s)).contents
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return (ctypes.addressof(c_addr), w, h, s)
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if __name__ == '__main__':
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array = draw()
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ptr, w, h, s = getarrayaddr(array)
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print(ptr, w, h, s)

‎Assets/StreamingAssets/myproject/plot_random.py.meta‎

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‎Assets/TextMesh Pro.meta‎

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‎Assets/TextMesh Pro/Documentation.meta‎

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‎Assets/TextMesh Pro/Documentation/TextMesh Pro User Guide 2016.pdf‎

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