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fixed #1159 zero projection

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QwiglyDee
2020-12-16 16:54:49 +07:00
parent a869e88de0
commit dbafcc2fa1
1 changed files with 5 additions and 1 deletions
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src/ifcblenderexport/blenderbim/bim/decoration.py
+5 -1
View File
@@ -169,10 +169,14 @@ class DimensionDecorator(ViewDecorator):
region3d = self.context.region_data region3d = self.context.region_data
p0 = location_3d_to_region_2d(region, region3d, p0) p0 = location_3d_to_region_2d(region, region3d, p0)
p1 = location_3d_to_region_2d(region, region3d, p1) p1 = location_3d_to_region_2d(region, region3d, p1)
proj = p1 - p0
if proj.length < 0.001:
return
text = f"{length:.2f}" text = f"{length:.2f}"
ang = -Vector((1, 0)).angle_signed(p1 - p0) ang = -Vector((1, 0)).angle_signed(proj)
cos = math.cos(ang) cos = math.cos(ang)
sin = math.sin(ang) sin = math.sin(ang)