def generate_rgbas_array(self, color, opacity):
"""
First arg can be either a color, or a tuple/list of colors.
Likewise, opacity can either be a float, or a tuple of floats.
If self.sheen is not zero, and only
one color was passed in, a second slightly light color
will automatically be added for the gradient
"""
colors = list(tuplify(color))
opacities = list(tuplify(opacity))
rgbas = np.array([
color_to_rgba(c, o) for c, o in zip(*make_even(colors, opacities))
])
sheen = self.get_sheen()
if sheen != 0 and len(rgbas) == 1:
light_rgbas = np.array(rgbas)
light_rgbas[:, :3] += sheen
clip_in_place(light_rgbas, 0, 1)
rgbas = np.append(rgbas, light_rgbas, axis=0)
return rgbas
def setup_in_uv_space(self):
res = tuplify(self.resolution)
if len(res) == 1:
u_res = v_res = res[0]
else:
u_res, v_res = res
u_min = self.u_min
u_max = self.u_max
v_min = self.v_min
v_max = self.v_max
u_values = np.linspace(u_min, u_max, u_res + 1)
v_values = np.linspace(v_min, v_max, v_res + 1)
faces = VGroup()
for i in range(u_res):
for j in range(v_res):
u1, u2 = u_values[i:i + 2]
v1, v2 = v_values[j:j + 2]
face = ThreeDVMobject()
face.set_points_as_corners([
[u1, v1, 0],
[u2, v1, 0],
[u2, v2, 0],
[u1, v2, 0],
[u1, v1, 0],
])
faces.add(face)
face.u_index = i
face.v_index = j
face.u1 = u1
face.u2 = u2
face.v1 = v1
face.v2 = v2
faces.set_fill(color=self.fill_color, opacity=self.fill_opacity)
faces.set_stroke(
color=self.stroke_color,
width=self.stroke_width,
opacity=self.stroke_opacity,
)
self.add(*faces)
if self.checkerboard_colors:
self.set_fill_by_checkerboard(*self.checkerboard_colors)
def complete_p_list(self, p_list):
new_p_list = list(tuplify(p_list))
remainder = 1.0 - sum(new_p_list)
if abs(remainder) > EPSILON:
new_p_list.append(remainder)
return new_p_list
def complete_p_list(self, p_list):
new_p_list = list(tuplify(p_list))
remainder = 1.0 - sum(new_p_list)
if abs(remainder) > EPSILON:
new_p_list.append(remainder)
return new_p_list
