Initial import: grid-bot — grid trading bot for BTC-USDT on Cifra Markets

kronos-venv/lib/python3.12/site-packages/sympy/plotting/pygletplot/plot_rotation.py

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+try:
+    from ctypes import c_float
+except ImportError:
+    pass
+
+import pyglet.gl as pgl
+from math import sqrt as _sqrt, acos as _acos, pi
+
+
+def cross(a, b):
+    return (a[1] * b[2] - a[2] * b[1],
+            a[2] * b[0] - a[0] * b[2],
+            a[0] * b[1] - a[1] * b[0])
+
+
+def dot(a, b):
+    return a[0] * b[0] + a[1] * b[1] + a[2] * b[2]
+
+
+def mag(a):
+    return _sqrt(a[0]**2 + a[1]**2 + a[2]**2)
+
+
+def norm(a):
+    m = mag(a)
+    return (a[0] / m, a[1] / m, a[2] / m)
+
+
+def get_sphere_mapping(x, y, width, height):
+    x = min([max([x, 0]), width])
+    y = min([max([y, 0]), height])
+
+    sr = _sqrt((width/2)**2 + (height/2)**2)
+    sx = ((x - width / 2) / sr)
+    sy = ((y - height / 2) / sr)
+
+    sz = 1.0 - sx**2 - sy**2
+
+    if sz > 0.0:
+        sz = _sqrt(sz)
+        return (sx, sy, sz)
+    else:
+        sz = 0
+        return norm((sx, sy, sz))
+
+rad2deg = 180.0 / pi
+
+
+def get_spherical_rotatation(p1, p2, width, height, theta_multiplier):
+    v1 = get_sphere_mapping(p1[0], p1[1], width, height)
+    v2 = get_sphere_mapping(p2[0], p2[1], width, height)
+
+    d = min(max([dot(v1, v2), -1]), 1)
+
+    if abs(d - 1.0) < 0.000001:
+        return None
+
+    raxis = norm( cross(v1, v2) )
+    rtheta = theta_multiplier * rad2deg * _acos(d)
+
+    pgl.glPushMatrix()
+    pgl.glLoadIdentity()
+    pgl.glRotatef(rtheta, *raxis)
+    mat = (c_float*16)()
+    pgl.glGetFloatv(pgl.GL_MODELVIEW_MATRIX, mat)
+    pgl.glPopMatrix()
+
+    return mat