Files
feuerwerk/src/runtime
adminandClaude Opus 5.5 d257298bc7
game-maker / gate (push) Successful in 2m55s
game-maker / suite (push) Successful in 9m16s
Keep a dragged rigidbody on the mouse while the game plays
Dragging a sprite with a dynamic rigidbody in the scene view during
play barely moved it. Only a quick drag and release got through. A
dragged object should follow the mouse as if it had no rigidbody and
start from rest when it is let go.

- The scene view reports the dragged objects as held through
  EditorState. The game tick no longer writes its own position over a
  drag position that has not been read in yet. This affected every
  object in play, not only rigidbodies.
- A held dynamic body turns kinematic and is set straight to the drag
  target. Gravity and velocity no longer pull it away between two
  mouse moves, and the "moved directly" warning stays quiet.
- A body counts as held when the object itself, an object above it
  or its rigidbody is dragged.
- On release the body turns dynamic again with linear and angular
  velocity set to 0.

Not changed: a press on an unselected crate still lands on its
same-sized collider (rule from #203). Dragging while play is paused
and in the editor run is untouched.

Tests:
- ./check.sh: 155 files, 2273 tests, CHECK EXIT 0 (before 2271).
- e2e 41 alone: 21 checks. e2e 1-16,39-43: 641 checks, all passed.
- 2 unit tests: a held body stays where the drag puts it and starts
  from rest, also for a grip shorter than one physics step. The tick
  does not overwrite a drag position that is not read in yet.
- 1 e2e check in 41b: the crate is lifted 150 units with the real
  mouse, holds exactly at -3490 for a second, then falls from rest
  (1.3 px, then 5.1 px) with an empty log.
- Counter-checks: without holding in physics the crate falls back to
  the ground and the old warning shows. With the tick writing back
  the unit test fails. Without zeroing, a short grip keeps 490 px/s
  and the test fails.
- Check total 1356 + 1 = 1357, calculated.

Co-Authored-By: Claude Opus 5.5 <noreply@anthropic.com>
2026-09-23 21:16:06 +02:00
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