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Merge pull request #1987 from 3b1b/interactive-scene-update

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Interactive scene update
This commit is contained in:
Grant Sanderson 2023-02-02 14:47:32 -08:00 • committed by GitHub
commit 4e674e571c
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GPG key ID: 4AEE18F83AFDEB23
3 changed files with 66 additions and 28 deletions
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2
manimlib/mobject/mobject.py
View file

@ -202,7 +202,7 @@ class Mobject(object):
return self
@affects_data
def set_points(self, points: Vect3Array) -> Self:
def set_points(self, points: Vect3Array | list[Vect3]) -> Self:
self.resize_points(len(points), resize_func=resize_preserving_order)
self.data["point"][:] = points
return self

89
manimlib/scene/interactive_scene.py
View file

@ -3,13 +3,15 @@ from __future__ import annotations
import itertools as it
import numpy as np
import pyperclip
from IPython.core.getipython import get_ipython
from manimlib.animation.fading import FadeIn
from manimlib.constants import ARROW_SYMBOLS, CTRL_SYMBOL, DELETE_SYMBOL, SHIFT_SYMBOL
from manimlib.constants import COMMAND_MODIFIER, SHIFT_MODIFIER
from manimlib.constants import DL, DOWN, DR, LEFT, ORIGIN, RIGHT, UL, UP, UR
from manimlib.constants import FRAME_WIDTH, SMALL_BUFF
from manimlib.constants import FRAME_WIDTH, FRAME_HEIGHT, SMALL_BUFF
from manimlib.constants import PI
from manimlib.constants import DEGREES
from manimlib.constants import MANIM_COLORS, WHITE, GREY_A, GREY_C
from manimlib.mobject.geometry import Line
from manimlib.mobject.geometry import Rectangle
@ -25,10 +27,16 @@ from manimlib.mobject.types.vectorized_mobject import VHighlight
from manimlib.mobject.types.vectorized_mobject import VMobject
from manimlib.scene.scene import Scene
from manimlib.scene.scene import SceneState
from manimlib.scene.scene import PAN_3D_KEY
from manimlib.utils.family_ops import extract_mobject_family_members
from manimlib.utils.space_ops import get_norm
from manimlib.utils.tex_file_writing import LatexError
from typing import TYPE_CHECKING
if TYPE_CHECKING:
from manimlib.typing import Vect3
SELECT_KEY = 's'
UNSELECT_KEY = 'u'
@ -68,7 +76,7 @@ class InteractiveScene(Scene):
"""
corner_dot_config = dict(
color=WHITE,
radius=0.025,
radius=0.05,
glow_factor=2.0,
)
selection_rectangle_stroke_color = WHITE
@ -228,9 +236,6 @@ class InteractiveScene(Scene):
super().remove(*mobjects)
self.regenerate_selection_search_set()
# def increment_time(self, dt: float) -> None:
# super().increment_time(dt)
# Related to selection
def toggle_selection_mode(self):
@ -273,7 +278,7 @@ class InteractiveScene(Scene):
def get_corner_dots(self, mobject: Mobject) -> Mobject:
dots = DotCloud(**self.corner_dot_config)
radius = self.corner_dot_config["radius"]
radius = float(self.corner_dot_config["radius"])
if mobject.get_depth() < 1e-2:
vects = [DL, UL, UR, DR]
else:
@ -339,8 +344,17 @@ class InteractiveScene(Scene):
# Functions for keyboard actions
def copy_selection(self):
ids = map(id, self.selection)
pyperclip.copy(",".join(map(str, ids)))
names = []
shell = get_ipython()
for mob in self.selection:
name = str(id(mob))
if shell is None:
continue
for key, value in shell.user_ns.items():
if mob is value:
name = key
names.append(name)
pyperclip.copy(", ".join(names))
def paste_selection(self):
clipboard_str = pyperclip.paste()
@ -389,7 +403,9 @@ class InteractiveScene(Scene):
for mob in reversed(self.get_selection_search_set()):
if self.selection_rectangle.is_touching(mob):
additions.append(mob)
self.add_to_selection(*additions)
if self.selection_rectangle.get_arc_length() < 1e-2:
break
self.toggle_from_selection(*additions)
def prepare_grab(self):
mp = self.mouse_point.get_center()
@ -449,6 +465,7 @@ class InteractiveScene(Scene):
else:
self.save_mobject_to_file(self.selection)
# Key actions
def on_key_press(self, symbol: int, modifiers: int) -> None:
super().on_key_press(symbol, modifiers)
char = chr(symbol)
@ -487,6 +504,8 @@ class InteractiveScene(Scene):
self.toggle_selection_mode()
elif char == "s" and modifiers == COMMAND_MODIFIER:
self.save_selection_to_file()
elif char == PAN_3D_KEY and modifiers == COMMAND_MODIFIER:
self.copy_frame_anim_call()
elif symbol in ARROW_SYMBOLS:
self.nudge_selection(
vect=[LEFT, UP, RIGHT, DOWN][ARROW_SYMBOLS.index(symbol)],
@ -509,7 +528,6 @@ class InteractiveScene(Scene):
super().on_key_release(symbol, modifiers)
if chr(symbol) == SELECT_KEY:
self.gather_new_selection()
# self.remove(self.crosshair)
if chr(symbol) in GRAB_KEYS:
self.is_grabbing = False
elif chr(symbol) == INFORMATION_KEY:
@ -518,7 +536,7 @@ class InteractiveScene(Scene):
self.prepare_resizing(about_corner=False)
# Mouse actions
def handle_grabbing(self, point: np.ndarray):
def handle_grabbing(self, point: Vect3):
diff = point - self.mouse_to_selection
if self.window.is_key_pressed(ord(GRAB_KEY)):
self.selection.move_to(diff)
@ -527,7 +545,7 @@ class InteractiveScene(Scene):
elif self.window.is_key_pressed(ord(Y_GRAB_KEY)):
self.selection.set_y(diff[1])
def handle_resizing(self, point: np.ndarray):
def handle_resizing(self, point: Vect3):
if not hasattr(self, "scale_about_point"):
return
vect = point - self.scale_about_point
@ -547,15 +565,16 @@ class InteractiveScene(Scene):
about_point=self.scale_about_point
)
def handle_sweeping_selection(self, point: np.ndarray):
def handle_sweeping_selection(self, point: Vect3):
mob = self.point_to_mobject(
point, search_set=self.get_selection_search_set(),
point,
search_set=self.get_selection_search_set(),
buff=SMALL_BUFF
)
if mob is not None:
self.add_to_selection(mob)
def choose_color(self, point: np.ndarray):
def choose_color(self, point: Vect3):
# Search through all mobject on the screen, not just the palette
to_search = [
sm
@ -568,10 +587,9 @@ class InteractiveScene(Scene):
self.selection.set_color(mob.get_color())
self.remove(self.color_palette)
def on_mouse_motion(self, point: np.ndarray, d_point: np.ndarray) -> None:
def on_mouse_motion(self, point: Vect3, d_point: Vect3) -> None:
super().on_mouse_motion(point, d_point)
ff_point = self.frame.to_fixed_frame_point(point)
self.crosshair.move_to(ff_point)
self.crosshair.move_to(self.frame.to_fixed_frame_point(point))
if self.is_grabbing:
self.handle_grabbing(point)
elif self.window.is_key_pressed(ord(RESIZE_KEY)):
@ -579,17 +597,34 @@ class InteractiveScene(Scene):
elif self.window.is_key_pressed(ord(SELECT_KEY)) and self.window.is_key_pressed(SHIFT_SYMBOL):
self.handle_sweeping_selection(point)
def on_mouse_release(self, point: np.ndarray, button: int, mods: int) -> None:
def on_mouse_drag(
self,
point: Vect3,
d_point: Vect3,
buttons: int,
modifiers: int
) -> None:
super().on_mouse_drag(point, d_point, buttons, modifiers)
self.crosshair.move_to(self.frame.to_fixed_frame_point(point))
def on_mouse_release(self, point: Vect3, button: int, mods: int) -> None:
super().on_mouse_release(point, button, mods)
if self.color_palette in self.mobjects:
self.choose_color(point)
return
mobject = self.point_to_mobject(
point,
search_set=self.get_selection_search_set(),
buff=1e-4,
)
if mobject is not None:
self.toggle_from_selection(mobject)
else:
self.clear_selection()
# Copying code to recreate state
def copy_frame_anim_call(self):
frame = self.frame
center = frame.get_center()
height = frame.get_height()
angles = frame.get_euler_angles()
call = f"self.frame.animate.reorient"
call += str(tuple((angles / DEGREES).astype(int)))
if any(center != 0):
call += f".move_to({list(np.round(center, 2))})"
if height != FRAME_HEIGHT:
call += ".set_height({:.2f})".format(height)
pyperclip.copy(call)

3
manimlib/window.py
View file

@ -78,6 +78,9 @@ class Window(PygletWindow):
py: int,
relative: bool = False
) -> np.ndarray:
if not hasattr(self.scene, "frame"):
return np.zeros(3)
pixel_shape = np.array(self.size)
fixed_frame_shape = np.array(FRAME_SHAPE)
frame = self.scene.frame