The special case atan(y,0) of the built-in shader function atan(y,x)
returns different results on different devices. So this commit will add
checks when the atan(y,x) function is used in ParticlesMaterial to set
the direction of GPU Particles to make sure the desired values are
returned (act as atan2(y,x)).
(cherry picked from commit 3580ad6005)
A picture is easier to describe this issue than words. Basically, rich
text effects allowed for character visibility changes. While doing so
would work properly, the rich text label would render the next `word` in
an offset accounting for the hidden characters (leaving a huge space.)
This patch fixes this issue by keeping track of the amount of
`backtrack` necessary per line.
(cherry picked from commit b3fd4884d7)
The workaround for moving the pivot is not needed anymore, in fact it causes all transforms applied to control nodes to jitter while animating (if a pivot offset is set).
This can be observed via AnimationPlayer and Tween.
The fix is to remove the obsolete workaround that causes this bug.
Fixes#28804
(cherry picked from commit dfb7d46a2a)
- Add some missing descriptions.
- Add links to tutorials for ARVR and AnimationTree.
- Style fixes.
- Engine changes:
* Make `AnimationNodeTransition.input_<number>` properties internal
so that they don't appear in the docs. They still appear in the
inspector based on the actual number of inputs requested.
* Drop unimplemented `CPUParticles.flatness`. It's only used for 3D
particles in `ParticlesMaterial`, and thus only relevant for
`CPUParticles3D`.
Fixes#26637.
Fixes#19900.
The viewport_size returned by get_viewport_size was previously incorrect, being half the correct value. The function is renamed to get_viewport_half_extents, and now returns a Vector2.
Code which called this function has also been modified accordingly.
This PR also fixes shadow culling when using ortho cameras, because the correct input for CameraMatrix::set_orthogonal should be the full HEIGHT from get_viewport_half_extents, and not half the width.
It also fixes state.ubo_data.viewport_size in rasterizer_scene_gles3.cpp to be the width and the height of the viewport in pixels as stated in the documentation, rather than the current value which is half the viewport extents in worldspace, presumed to be a bug.
