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from __future__ import absolute_import
try:
import unittest2 as unittest
except:
import unittest
class test_oo_examples(unittest.TestCase):
def test_oo_examples(self):
from pyrr import Quaternion, Matrix44, Vector3
import numpy as np
point = Vector3([1.,2.,3.])
orientation = Quaternion()
translation = Vector3()
scale = Vector3([1.,1.,1.])
# translate along X by 1
translation += [1.0, 0.0, 0.0]
# rotate about Y by pi/2
rotation = Quaternion.from_y_rotation(np.pi / 2.0)
orientation = rotation * orientation
# create a matrix
# start our matrix off using the scale
matrix = Matrix44.from_scale(scale)
# apply our orientation
# we can multiply matricies and quaternions directly!
matrix = matrix * orientation
# apply our translation
translation = Matrix44.from_translation(translation)
matrix = matrix * translation
# transform our point by the matrix
# vectors are transformable by matrices and quaternions directly
point = matrix * point
def test_conversions(self):
from pyrr import Quaternion, Matrix33, Matrix44, Vector3, Vector4
v3 = Vector3([1.,0.,0.])
v4 = Vector4.from_vector3(v3, w=1.0)
v3, w = Vector3.from_vector4(v4)
m44 = Matrix44()
q = Quaternion(m44)
m33 = Matrix33(q)
m33 = Matrix44().matrix33
m44 = Matrix33().matrix44
q = Matrix44().quaternion
q = Matrix33().quaternion
m33 = Quaternion().matrix33
m44 = Quaternion().matrix44
def test_operators(self):
from pyrr import Quaternion, Matrix44, Matrix33, Vector3, Vector4
import numpy as np
# matrix multiplication
m = Matrix44() * Matrix33()
m = Matrix44() * Quaternion()
m = Matrix33() * Quaternion()
# matrix inverse
m = ~Matrix44.from_x_rotation(np.pi)
# quaternion multiplication
q = Quaternion() * Quaternion()
q = Quaternion() * Matrix44()
q = Quaternion() * Matrix33()
# quaternion inverse (conjugate)
q = ~Quaternion()
# quaternion dot product
d = Quaternion() | Quaternion()
# vector oprations
v = Vector3() + Vector3()
v = Vector4() - Vector4()
# vector transform
v = Quaternion() * Vector3()
v = Matrix44() * Vector3()
v = Matrix44() * Vector4()
v = Matrix33() * Vector3()
# dot and cross products
dot = Vector3() | Vector3()
cross = Vector3() ^ Vector3()
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