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While \file doesn't need an argument, it can't have another doxy
command after it.
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The old function was numerically very unstable for 2 reasons:
computing the square and then subtracting the results.
In the example in T60935 all precision was lost and it returned the distance 0
for all points.
I also removed the `depth` parameter since it wasn't used and computing
it would have made the code more complicated.
Reviewers: brecht, campbellbarton
Differential Revision: https://developer.blender.org/D4308
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Move \ingroup onto same line to be more compact and
make it clear the file is in the group.
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BF-admins agree to remove header information that isn't useful,
to reduce noise.
- BEGIN/END license blocks
Developers should add non license comments as separate comment blocks.
No need for separator text.
- Contributors
This is often invalid, outdated or misleading
especially when splitting files.
It's more useful to git-blame to find out who has developed the code.
See P901 for script to perform these edits.
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algorith.
In my tests a 4% improvement in performance was achieved by simulating a square cloth over the cube.
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This commit includes several performance, stability, and reliability
improvements to cloth collisions.
Most notably:
* The implementation of a new self-collisions system.
* Multithreading of collision detection.
* Implementation of single sided collisions and normal overrides.
* Replacement of the `plNearestPoints` function from Bullet with a
dedicated solution.
Further, this also includes several bug fixes, and algorithmic
improvements.
Reviewed By: brecht
Differential Revision: http://developer.blender.org/D3712
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`dist_squared_ray_to_seg_v3`.
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This patch does not make any difference for a user's POV. But it is a step for adding the occlusion test for snapping functions.
This new function finds the node(aabb) whose projection is closest to a screen coordinate.
Reviewers: campbellbarton
Reviewed By: campbellbarton
Tags: #bf_blender_2.8
Differential Revision: https://developer.blender.org/D3180
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BLI_match and remove confusing parameters.
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Previously quads always split along first-third vertices.
This is still the default, to avoid flickering with animated deformation
however concave quads that would create two opposing triangles now use
second-fourth split.
Reported as T53999 although this issue has been known limitation
for a long time.
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Original code by @mano-wii, modified for general use.
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This exposes end-point bias argument, needed in rare cases.
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The new `isect_ray_aabb_v3_simple` function replaces the `BKE_boundbox_ray_hit_check` and can be used in BVHTree Root (first AABB). So it is much more efficient.
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This adds two functions to project 3d coordinates onto a 3d plane,
to get 2d coordinates, essentially eliminating the plane's normal axis
from the coordinates.
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D2460
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This splits `interp_weights_face_v3` into `interp_weights_tri_v3` and
`interp_weights_quad_v3`, in order to properly handle three sided polygons
without needing a useless extra index in your weight array. This also
improves clarity and consistency with other math_geom functions, thus
reducing potential future errors.
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D2461
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Other than implementing a `mid_v3_v3_array` function, this removes
`cent_tri_v3` and `cent_quad_v3` in favor of `mid_v3_v3v3v3` and
`mid_v3_v3v3v3v3` respectively.
Reviewed By: mont29
Differential Revision: https://developer.blender.org/D2459
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Bitmap drawing is out-of-scope for a general math API,
move to BLI_bitmap_draw_2d.
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changes in BLI_kdopbvh:
- `BLI_bvhtree_find_nearest_to_ray` now takes is_ray_normalized and scale argument.
- `BLI_bvhtree_find_nearest_to_ray_angle` has been added (use for perspective view).
changes in BLI_bvhutils:
- `bvhtree_from_editmesh_edges_ex` was added.
changes in math_geom:
- `dist_squared_ray_to_seg_v3` was added.
other changes:
- `do_ray_start_correction` is no longer necessary to snap to verts.
- the way in which the test of depth was done before is being simulated in callbacks.
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Gives a bit better precision than creating a line in some cases,
use for ED_view3d_win_to_3d.
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Calculate the clipped min/max factor along the segment,
only applying to the coordinates at the end (will give better precision too).
Also make split input/output args.
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Follow isect_ray_tri_watertight_v3 naming.
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Instead of running the callback per-pixel,
pass the x-span to the callback.
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Distinguish between line / line_segment
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Rename not-very-descriptive (p1, d) -> (ray_origin, ray_direction)
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Differentiate between lines and segments.
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Was taking a triangle and doing ray-tri intersect.
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Project both triangles onto the same plane to simplify calculations.
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- closest_to_plane3 (for float3 planes)
- closest_to_plane*_normalized_v3 (for unit length planes)
Use when the plane is known to be unit length
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From Cycles with some very minor differences.
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Also define epsilon var for ray-cast functions.
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This stores loop indices into the loop array giving easier acess
to data such as vertex-colors and UV's,
removing the need to store an MFace duplicate of custom-data.
This doesn't yet move all internal code from MFace to LoopTri just yet.
Only applies to:
- opengl drawing
- sculpting (pbvh)
- vertex/weight paint
Thanks to @psy-fi for review, fixes and improvements to drawing!
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add a negated version of axis_dominant_v3_to_m3
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