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32 lines
966 B
Python
32 lines
966 B
Python
"""
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Copyright (c) Contributors to the Open 3D Engine Project.
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For complete copyright and license terms please see the LICENSE at the root of this distribution.
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SPDX-License-Identifier: Apache-2.0 OR MIT
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"""
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# setup path
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import azlmbr.object
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import azlmbr.math as math
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# returns a Vector3 of cartesian coordinates from spherical coordinates
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# phi and theta are in degrees
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def spherical_to_cartesian(phi, theta, dist=1.0):
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phi = math.Math_DegToRad(phi)
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theta = math.Math_DegToRad(theta)
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x = float(dist) * float(math.Math_Sin(phi)) * float(math.Math_Cos(theta))
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y = float(dist) * float(math.Math_Sin(phi)) * float(math.Math_Sin(theta))
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z = float(dist) * float(math.Math_Cos(phi))
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return math.Vector3(x, y, z)
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# converts two Cartesian points into their midpoint, normalized into a vector of size r
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def normalize_midpoint(pos1, pos2, r=1.0):
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pos = pos1.Add(pos2).MultiplyFloat(0.5)
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pos.Normalize()
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return pos.MultiplyFloat(r)
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