Glassvision/IfcOpenShell
1
0
Fork 0
mirror of https://github.com/IfcOpenShell/IfcOpenShell.git synced 2026-08-10 09:48:32 +00:00
Code Issues Packages Projects Releases Wiki Activity

Calculating angle based on world position instead of camera pos #3362

Browse Source
This commit is contained in:
Andrej730
2023-06-30 15:02:39 +05:00
parent 1357b83d99
commit bfcc8decc0
1 changed files with 10 additions and 6 deletions
Download Patch File Download Diff File Expand all files Collapse all files
src/blenderbim/blenderbim/bim/module/drawing/decoration.py
+10 -6
View File
@@ -772,19 +772,23 @@ class AngleDecorator(BaseDecorator):
v0 = Vector(vertices[i0])
v1 = Vector(vertices[i1])
v2 = Vector(vertices[i1 + 1])
p0 = location_3d_to_region_2d(region, region3d, v0)
p1 = location_3d_to_region_2d(region, region3d, v1)
p2 = location_3d_to_region_2d(region, region3d, v2)
edge0 = p0 - p1
edge1 = p2 - p1
# calculate angle value
edge0_ws = v0 - v1
edge1_ws = v2 - v1
try:
cos_a = edge0.dot(edge1) / (edge0.length * edge1.length)
cos_a = edge0_ws.dot(edge1_ws) / (edge0_ws.length * edge1_ws.length)
except ZeroDivisionError:
continue
circle_angle_rad = acos(cos_a)
circle_angle = circle_angle_rad / pi * 180
# calculate angle position
p0 = location_3d_to_region_2d(region, region3d, v0)
p1 = location_3d_to_region_2d(region, region3d, v1)
p2 = location_3d_to_region_2d(region, region3d, v2)
edge0 = p0 - p1
edge1 = p2 - p1
base_edge = edge0 if ccw(p0, p1, p2) else edge1
text_offset = (Matrix.Rotation(-circle_angle_rad / 2, 2) @ base_edge).normalized() * ANGLE_LABEL_OFFSET
label_position = p1 + text_offset