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gp_interpolate
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Fixes #4 interpolation offset with camera move

master
pullusb 2024-02-05 17:26:10 +01:00
parent 1a6da5c4fa
commit 5590753550
3 changed files with 13 additions and 4 deletions
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2
__init__.py
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@ -1,7 +1,7 @@
bl_info = {
"name": "gp interpolate",
"author": "Christophe Seux, Samuel Bernou",
"version": (0, 4, 1),
"version": (0, 4, 2),
"blender": (3, 6, 0),
"location": "Sidebar > Gpencil Tab > Interpolate",
"description": "Interpolate Grease pencil strokes over 3D",

2
interpolate_strokes/interpolate_simple.py
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@ -22,7 +22,7 @@ from mathutils.geometry import (barycentric_transform,
tessellate_polygon)
## /!\ Old code kept for testing
## use pseudo plane coordinate instead of rayvast on real mesh plane
## use pseudo plane coordinate instead of raycast on real mesh plane
class GP_OT_interpolate_stroke_simple(bpy.types.Operator):

13
interpolate_strokes/operators.py
View File

@ -63,7 +63,9 @@ class GP_OT_interpolate_stroke(bpy.types.Operator):
gp = context.object
matrix = np.array(gp.matrix_world, dtype='float64')#.inverted()
# matrix = gp.matrix_world
# origin = scn.camera.matrix_world.to_translation()
matrix = np.array(gp.matrix_world, dtype='float64')
origin = np.array(scn.camera.matrix_world.to_translation(), 'float64')
col = settings.target_collection
@ -239,6 +241,8 @@ class GP_OT_interpolate_stroke(bpy.types.Operator):
for f in frames_to_jump:
wm.progress_update(f) # Pgs
scn.frame_set(f)
# origin = scn.camera.matrix_world.to_translation()
origin = np.array(scn.camera.matrix_world.to_translation(), 'float64')
plan_co, plane_no = get_gp_draw_plane(gp)
bpy.ops.gpencil.paste()
@ -271,7 +275,12 @@ class GP_OT_interpolate_stroke(bpy.types.Operator):
world_co_3d.append(new_loc)
# Reproject on plane
## Test with point in 3D space (Debug)
# nb_points = len(new_stroke.points)
# new_stroke.points.foreach_set('co', np.array(world_co_3d).reshape(nb_points*3))
# new_stroke.points.update()
## Reproject on plane
new_world_co_3d = [intersect_line_plane(origin, p, plan_co, plane_no) for p in world_co_3d]
new_local_co_3d = matrix_transform(new_world_co_3d, matrix_inv)