tractorbeam | Open source multi-tier website backups | Continuous Backup library
kandi X-RAY | tractorbeam Summary
kandi X-RAY | tractorbeam Summary
Open source multi-tier website backups
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QUESTION
I am trying to create a TractorBeam (or Thrust) coming out of the back of my rocket ship and of course the sprite is to rotate with rocket ship. It seems to be working fine but I am getting a second image of the same TractorBeam image that stays in the same vertical position as the rocket ship rotates and the TractorBeam image rotates. I have it programmed the same as the laser coming out the front (except for different speed, lifetime, etc.) and the laser doesn't seem to have this unknown second image.
Any suggestions of where I am going wrong or how to eliminate this second unwanted image?
...ANSWER
Answered 2021-Jan-08 at 06:16There appears to be 2 tractor beams, but there is just 1. However, the update
method of the TractorBeam
instance is not called in the first frame in which it is drawn. It is constructed in the update
loop of the the Group from the player
. Sprites that are add to the Group during update
are not updated in this frame, but in the next frame.
You have to invoke update
manually once:
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