Merge branch 'master' of https://github.com/3b1b/manim

manimlib/mobject/coordinate_systems.py

@@ -29,7 +29,7 @@ class CoordinateSystem():
         "y_range": np.array([-4.0, 4.0, 1.0]),
         "width": None,
         "height": None,
-        "num_sampled_graph_points_per_tick": 5,
+        "num_sampled_graph_points_per_tick": 20,
     }
 
     def coords_to_point(self, *coords):
@@ -404,7 +404,7 @@ class NumberPlane(Axes):
         "width": None,
         # Defaults to a faded version of line_config
         "faded_line_style": None,
-        "faded_line_ratio": 1,
+        "faded_line_ratio": 4,
         "make_smooth_after_applying_functions": True,
     }
 

manimlib/mobject/three_dimensions.py

@@ -14,7 +14,7 @@ class SurfaceMesh(VGroup):
     CONFIG = {
         "resolution": (21, 21),
         "stroke_width": 1,
-        "normal_nudge": 1e-2,
+        "normal_nudge": 1e-3,
         "depth_test": True,
         "flat_stroke": False,
     }
@@ -35,7 +35,7 @@ class SurfaceMesh(VGroup):
 
         points, du_points, dv_points = uv_surface.get_surface_points_and_nudged_points()
         normals = uv_surface.get_unit_normals()
-        nudge = 1e-2
+        nudge = self.normal_nudge
         nudged_points = points + nudge * normals
 
         for ui in u_indices:

manimlib/mobject/types/dot_cloud.py

@@ -2,11 +2,12 @@ import numpy as np
 import moderngl
 
 from manimlib.constants import GREY_C
+from manimlib.constants import ORIGIN
 from manimlib.mobject.types.point_cloud_mobject import PMobject
 from manimlib.utils.iterables import resize_preserving_order
 
 
-DEFAULT_DOT_CLOUD_RADIUS = 0.05
+DEFAULT_DOT_RADIUS = 0.05
 DEFAULT_GRID_HEIGHT = 6
 DEFAULT_BUFF_RATIO = 0.5
 
@@ -15,7 +16,7 @@ class DotCloud(PMobject):
     CONFIG = {
         "color": GREY_C,
         "opacity": 1,
-        "radius": DEFAULT_DOT_CLOUD_RADIUS,
+        "radius": DEFAULT_DOT_RADIUS,
         "shader_folder": "true_dot",
         "render_primitive": moderngl.POINTS,
         "shader_dtype": [
@@ -106,3 +107,8 @@ class DotCloud(PMobject):
         self.read_data_to_shader(shader_data, "radius", "radii")
         self.read_data_to_shader(shader_data, "color", "rgbas")
         return shader_data
+
+
+class TrueDot(DotCloud):
+    def __init__(self, center=ORIGIN, radius=DEFAULT_DOT_RADIUS, **kwargs):
+        super().__init__(points=[center], radius=radius, **kwargs)

manimlib/mobject/types/surface.py

@@ -181,9 +181,9 @@ class Surface(Mobject):
 
 
 class ParametricSurface(Surface):
-    def __init__(self, uv_func, **kwargs):
+    def __init__(self, uv_func, u_range=(0, 1), v_range=(0, 1), **kwargs):
         self.passed_uv_func = uv_func
-        super().__init__(**kwargs)
+        super().__init__(u_range=u_range, v_range=v_range, **kwargs)
 
     def uv_func(self, u, v):
         return self.passed_uv_func(u, v)

manimlib/scene/three_d_scene.py

@@ -5,6 +5,7 @@ class ThreeDScene(Scene):
     CONFIG = {
         "camera_config": {
             "samples": 4,
+            "anti_alias_width": 0,
         }
     }
 

manimlib/utils/space_ops.py

@@ -365,19 +365,19 @@ def earclip_triangulation(verts, ring_ends):
     ]
 
     def is_in(point, ring_id):
-        return abs(abs(get_winding_number([i-point for i in verts[rings[ring_id]]]))-1)<1e-5
+        return abs(abs(get_winding_number([i - point for i in verts[rings[ring_id]]])) - 1) < 1e-5
 
     def ring_area(ring_id):
         ring = rings[ring_id]
         s = 0
         for i, j in zip(ring[1:], ring):
             s += cross2d(verts[i], verts[j])
-        return abs(s)/2
+        return abs(s) / 2
 
     # Points at the same position may cause problems
     for i in rings:
-        verts[i[0]] += (verts[i[1]]-verts[i[0]])*1e-6
-        verts[i[-1]] += (verts[i[-2]]-verts[i[-1]])*1e-6
+        verts[i[0]] += (verts[i[1]]-verts[i[0]]) * 1e-6
+        verts[i[-1]] += (verts[i[-2]]-verts[i[-1]]) * 1e-6
 
     # First, we should know which rings are directly contained in it for each ring
 
@@ -407,7 +407,7 @@ def earclip_triangulation(verts, ring_ends):
     res = []
 
     # Then, we can use earcut for each part
-    used = [False]*len(rings)
+    used = [False] * len(rings)
     for i in rings_sorted:
         if used[i]:
             continue