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A reference was being grabbed when a copy was wanted.
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Caused by a bit of a disconnect from the BGE mesh and BMesh.
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system include.
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Blender's old default of 1 was too small here.
Now we don't override the default.
If it's really needed to use a smaller value here, the property should
be first exposed in the ui, but don't think this is necessary.
Fixes [#35076] Dynamic objects have periodic glitch in velocity when on an incline
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also rename mesh_getVertexCos() --> BKE_mesh_vertexCos_get() to match curve function.
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Apply patches in patches directory, remove patches that were applied
upstream.
If you made changes without adding a patch, please check.
Fixes [#32233] exporting bullet format results in corrupt files.
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This reverts part of r53019.
While the compound shape trick works well in some cases, overall it's
much slower and even causes crashes under certain conditions.
We could make this and option and fix the crashes, but it's better to
implement convex decomposition anyway so just reverting for now.
Fixes [#34353] Ray cast on Triangle mesh bounded Rigid Body Object causes blender crash to desktop without error.
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MT_Vectors. The PHY__Vectors didn't offer anything (not even any real abstraction) and they required annoying MT_Vector <-> PHY_Vector conversions all over the place. No functional changes.
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Previously jumpCount was only getting reset to 0 if the character was on the ground while jump() was being called. This works alright internally for double jumping, but it made things awkward if a user wanted to check jumpCount before calling jump() (i.e., before jumpCount was updated).
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* Undoing the previous applyMovement() changes for characters. This was causing bugs for the Motion Actuator.
* Creating a Character Motion type for the Motion Actuator with specific controls for characters. This includes moving, rotating and jumping.
* Adding a KX_CharacterWrapper.walkDirection to set the character's direction and speed.
Note, this also resolves the following bugs:
[#33585] "Setting dLoc of motion actuator [0,0,0] via python won't stop object" reported by Manuel Bellersen (urfoex)
[#33503] "Character physics type won´t accept more than one motion anymore" reported by Mr Larodos
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on the system.
Note: this doesn't work yet for everything with latest stable bullet (2.81), need to look into why and likely apply some patches upstream.
However I managed to link blender by disabling some features, likely it can be made to work without too much trouble.
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different logic for a single jump versus a double jump. For example, a different animation for the second jump.
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controller. The default from Bullet works much better than what we were using.
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a character can perform before having to touch the ground. By default this is set to 1, which means a character can only jump once before having to touch the ground again. Setting this to 2 allows for double jumping.
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Also changed shebang to '#!/usr/bin/env python', this is more portable across unixes...
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This commit is an attempt to improve collisions between moving Bullet rigid bodies using (concave) triangle mesh bounds.
Instead of using Gimpact, this we create a btCompoundShape with child shape tetrahedra derived from the surface triangles.
For each triangle, we add a fourth vertex using the centroid, shifting inwards using the triangle normal.
If the centroid hits an internal triangle, we stop. The default depth could be exposed as 'advanced' setting in the user interface.
This solution will be a slower than the original/gimpact solution, but a bit more reliable.
In the future, it is better to add HACD, convex decomposition to Blender, for moving concave meshes.
See http://kmamou.blogspot.com and the Bullet SDK's Demos/ConvexDecompositionDemo.
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with n-gon
caused by own change to how origindex is used, now if mpoly's CD_ORIGINDEX array is missing its assumes that its the original mpoly array.
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vehicle wrapper) to control character physics options. Currently supported options are:
* jump() -- causes the character to jump
* onGround -- specifies whether or not the character is on the ground
* gravity -- controls the "gravity" that the character physics uses for the character
More options could be added (such as jump speed, step height, make fall speed, max slope, etc).
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accelerated version now).
and quiet narrowing conversion warning between signed/unsigned int.
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reported as [#29376] BMESH_TODO: remove tessface CD_ORIGINDEX layer
for a single mesh there could be 3 origindex mappings stored, one on the polygons and 2 on the tessfaces.
(CD_POLYINDEX and CD_ORIGINDEX).
as Andrew suggests, now tessfaces (which are really a cache of polygons), using origindex to point to polygons on
the same derived mesh, and polygons only store the original index values.
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collision mask and a collision group. Object A and object B collide if object A's groups is in object B's mask and object B's group is in object A's mask. In other words, the group defines what the object is (collision wise) and the group defines what the object can collide with.
The majority of this patch was provided by Kupoman with some edits from me and heavy testing by z0r.
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had a typo too.
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viewport. This helps to eliminate OpenGL calls in weird places like the physics
code and to reduce glGet calls, which are expensive.
There should be no functional changes (except maybe a very slight speed improvement).
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use the btKinematicCharacterController's setWalkDirection() instead of moving the physics object ourselves. This reduces issues with tunneling (the character going through other objects).
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crash." reported by me. The character's action wasn't being removed from the dynamics world when the character controller was.
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The functions had no effect because m_solverInfo wasn't used anywhere.
Now we get the solver info from the dynamics world directly instead of using our own copy.
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(CcdPhysicsController::m_characterController was not getting freed).
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Daniel Stokes (Kupoman). I'm not sure if this is the "correct" fix, but it at least allows all physics objects to be evaluated at least once by the new environment. This allows the new environment to sync up physics shapes for static objects.
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CcdShapeConstructionInfo::UpdateMesh() would change the CcdShapeConstructionInfo's m_meshObject, but didn't change m_meshShapeMap, which means the CcdShapeConstructionInfo object's destructor would not find it's m_meshObject in the m_meshShapeMap. This leaves some nasty dangling pointers laying around which caused issues if the scene was re-run, or the scene was changed to one that also had the mesh.
Note: This fix could cause other issues with shared physics meshes. In general, we may want to re-evaluate how we handle updating potentially shared physics meshes.
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nothing" reported by Jean-Francois Gallant (pyroevil), I'm adding preliminary support to enable and disable rigid body physics on dynamic objects. This is can be done via the Edit Object Actuator or through KX_GameObject.enableRigidBody() and KX_GameObject.disableRigidBody(). Thanks to Sergej Reich for his help with the patch.
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meshes (e.g., rigid bodies). The physic controller's free was only handling the case where regular triangle meshes were used.
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btGhostPairCallback was being created, but never freed.
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The problem was that the physics shapes for the near and radar sensor were getting turned into characters because CcdConstructionInfo::m_bCharacter was defaulting to true. Now it defaults to false and is explicitly set to true for only Character physics types.
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functions with a macro.
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also fix for building ghost test and fix double free in one of the tests
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