Question

To use the new quaternion-based rotation matrix, we must add a new method into the Transform . py class like this: from Quaternion import * . def rotate_axis(self, axis: pygame.Vector3, angle, local=True) : $\mathrm{q}=$ Quaternion (axis=axis, angle=angle) $r$ _mat $=q \cdot$ get_matrix () if local: self.MVM $=$ self.MVM@ $r_{\text {_mat }}$ else: self.MVM $=r$ mat @ self.MVM

   To use the new quaternion-based rotation matrix, we must add a new method into the Transform . py class like this:
from Quaternion import *
.
def rotate_axis(self, axis: pygame.Vector3, angle,
local=True) :
$\mathrm{q}=$ Quaternion (axis=axis, angle=angle)
$r$ _mat $=q \cdot$ get_matrix ()
if local:
self.MVM $=$ self.MVM@ $r_{\text {_mat }}$
else:
self.MVM $=r$ mat @ self.MVM

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Mathematics for Game Programming and Computer Graphics: Explore the essential mathematics for creating, rendering, and manipulating 3D virtual environments

Mathematics for Game Programming and Computer Graphics: Explore the essential mathematics for creating, rendering, and manipulating 3D virtual environments

Penny de Byl 1st Edition

Chapter 16, Problem 5

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Step 1

py file: ```python from Quaternion import * ``` Show more…

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To use the new quaternion-based rotation matrix, we must add a new method into the Transform . py class like this: from Quaternion import * . def rotate_axis(self, axis: pygame.Vector3, angle, local=True) : $\mathrm{q}=$ Quaternion (axis=axis, angle=angle) $r$ _mat $=q \cdot$ get_matrix () if local: self.MVM $=$ self.MVM@ $r_{\text {_mat }}$ else: self.MVM $=r$ mat @ self.MVM

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