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Up to group structure description of efvgt

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This commit is contained in:
Grant Sanderson
2017-02-24 19:37:40 -08:00
parent be56ffa687
commit 79435859de
3 changed files with 597 additions and 28 deletions
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11
topics/three_dimensions.py
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@ -10,6 +10,7 @@ class ThreeDCamera(Camera):
CONFIG = {
"sun_vect" : 3*UP+LEFT,
"shading_factor" : 0.5,
"camera_distance" : 20,
}
def __init__(self, *args, **kwargs):
Camera.__init__(self, *args, **kwargs)
@ -62,6 +63,16 @@ class ThreeDCamera(Camera):
)
def points_to_pixel_coords(self, points):
distance_ratios = (self.camera_distance + points[:,2])/self.camera_distance
scale_factors = interpolate(0, 1, distance_ratios)
adjusted_points = np.array(points)
for i in 0, 1:
adjusted_points[:,i] *= scale_factors
return Camera.points_to_pixel_coords(self, adjusted_points)
class ThreeDScene(Scene):
CONFIG = {
"camera_class" : ThreeDCamera,