Added clacks_names.py animatiosn

active_projects/clacks.py

@@ -27,6 +27,8 @@ class Block(Square):
             self.fill_color = self.mass_to_color(self.mass)
         if self.label_text is None:
             self.label_text = self.mass_to_label_text(self.mass)
+        if "width" in kwargs:
+            kwargs.pop("width")
         Square.__init__(self, side_length=self.width, **kwargs)
         self.label = self.get_label()
         self.add(self.label)
@@ -130,8 +132,8 @@ class SlidingBlocks(VGroup):
 
     def update_blocks_from_phase_space_point_tracker(self):
         block1, block2 = self.block1, self.block2
-
         ps_point = self.phase_space_point_tracker.get_location()
+
         theta = np.arctan(np.sqrt(self.mass_ratio))
         ps_point_angle = angle_of_vector(ps_point)
         n_clacks = int(ps_point_angle / theta)
@@ -274,7 +276,6 @@ class BlocksAndWallScene(Scene):
         "collision_sound": "clack.wav",
         "show_flash_animations": True,
         "min_time_between_sounds": 0.004,
-        "allow_sound": True,
     }
 
     def setup(self):
@@ -1560,7 +1561,7 @@ class EndScreen(Scene):
             )
 
 
-class Thumbnail(BlocksAndWallExample):
+class Thumbnail(BlocksAndWallExample, MovingCameraScene):
     CONFIG = {
         "sliding_blocks_config": {
             "block1_config": {
@@ -1572,10 +1573,15 @@ class Thumbnail(BlocksAndWallExample):
         "wait_time": 0,
         "count_clacks": False,
         "show_flash_animations": False,
-        "floor_y": -3,
+        "floor_y": -3.0,
     }
 
+    def setup(self):
+        MovingCameraScene.setup(self)
+        BlocksAndWallExample.setup(self)
+
     def construct(self):
+        self.camera_frame.shift(0.9 * UP)
         self.thicken_lines()
         self.grow_labels()
         self.add_vector()

active_projects/clacks_names.py

@@ -0,0 +1,85 @@
+#!/usr/bin/env python
+from big_ol_pile_of_manim_imports import *
+
+from active_projects.clacks import BlocksAndWallExample
+
+
+class NameBump(BlocksAndWallExample):
+    CONFIG = {
+        "name": "Magnus Lysfjord",
+        "sliding_blocks_config": {
+            "block1_config": {
+                "mass": 1e6,
+                "velocity": -0.5,
+                "distance": 7,
+            },
+            "block2_config": {},
+        },
+        "wait_time": 25,
+    }
+
+    def setup(self):
+        names = self.name.split(" ")
+        n = len(names)
+        if n == 1:
+            names = 2 * [names[0]]
+        elif n > 2:
+            names = [
+                " ".join(names[:n // 2]),
+                " ".join(names[n // 2:]),
+            ]
+        # Swap, to show first name on the left
+        names = [names[1], names[0]]
+
+        name_mobs = VGroup(*map(TextMobject, names))
+        name_mobs.set_stroke(BLACK, 3, background=True)
+        name_mobs.set_fill(LIGHT_GREY, 1)
+        name_mobs.set_sheen(3, UL)
+        name_mobs.scale(2)
+        configs = [
+            self.sliding_blocks_config["block1_config"],
+            self.sliding_blocks_config["block2_config"],
+        ]
+        for name_mob, config in zip(name_mobs, configs):
+            config["width"] = name_mob.get_width()
+        self.name_mobs = name_mobs
+
+        super().setup()
+
+    def add_blocks(self):
+        super().add_blocks()
+        blocks = self.blocks
+        name_mobs = self.name_mobs
+
+        blocks.fade(1)
+
+        def update_name_mobs(name_mobs):
+            for name_mob, block in zip(name_mobs, self.blocks):
+                name_mob.move_to(block)
+                target_y = block.get_bottom()[1] + SMALL_BUFF
+                curr_y = name_mob[0].get_bottom()[1]
+                name_mob.shift((target_y - curr_y) * UP)
+
+        name_mobs.add_updater(update_name_mobs)
+        self.add(name_mobs)
+
+        clack_y = self.name_mobs[1].get_center()[1]
+        for location, time in self.clack_data:
+            location[1] = clack_y
+
+        for block, name_mob in zip(blocks, name_mobs):
+            block.label.next_to(name_mob, UP)
+            block.label.set_fill(YELLOW, opacity=1)
+
+
+
+# for name in names:
+#     file_name = name.replace(".", "")
+#     file_name += " Name Bump"
+#     scene = NameBump(
+#         name=name,
+#         write_to_movie=True,
+#         output_file_name=file_name,
+#         camera_config=PRODUCTION_QUALITY_CAMERA_CONFIG,
+#         frame_duration=PRODUCTION_QUALITY_FRAME_DURATION,
+#     )