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add support for rotate transform

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This commit is contained in:
TonyCrane
2022-01-25 14:29:47 +08:00
parent dd13559b11
commit 11379283aa
1 changed files with 10 additions and 1 deletions
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11
manimlib/mobject/svg/svg_mobject.py
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@ -7,7 +7,7 @@ import hashlib
from xml.dom import minidom
from manimlib.constants import DEFAULT_STROKE_WIDTH
from manimlib.constants import ORIGIN, UP, DOWN, LEFT, RIGHT
from manimlib.constants import ORIGIN, UP, DOWN, LEFT, RIGHT, IN
from manimlib.constants import BLACK
from manimlib.constants import WHITE
from manimlib.constants import DEGREES, PI
@ -267,6 +267,8 @@ class SVGMobject(VMobject):
self._handle_translate_transform(mobject, op_name, op_args)
elif op_name.startswith("scale"):
self._handle_scale_transform(mobject, op_name, op_args)
elif op_name == "rotate":
self._handle_rotate_transform(mobject, op_name, op_args)
def _handle_matrix_transform(self, mobject, op_name, op_args):
transform = np.array(op_args).reshape([3, 2])
@ -305,6 +307,13 @@ class SVGMobject(VMobject):
mobject.flip(RIGHT)
sy = -sy
mobject.scale(np.array([sx, sy, 1]), about_point=ORIGIN)
def _handle_rotate_transform(self, mobject, op_name, op_args):
if len(op_args) == 1:
mobject.rotate(op_args[0] * DEGREES, axis=IN, about_point=ORIGIN)
else:
deg, x, y = op_args
mobject.rotate(deg * DEGREES, axis=IN, about_point=np.array([x, y, 0]))
def flatten(self, input_list):
output_list = []