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User Comment
Submitted by Rastah Bar on 20 December 2019
| Digger, I did not study the code of that demo, but it blanks some rasterlines at the top of the screen and hence shows less than 192 rasterlines. In my demo this is avoided, so very likely not an identical trick. |
User Comment
Submitted by Digger on 20 December 2019
@RastahBar: Can you elaborate on the technique itself?
Is this using the same trick (linecrunching for 4 charlines that pulls up a bitmap 4 chars up, that gives you enough time to rewrite it?) as Xbow did with FLI scroll in Don't meet Crest |
User Comment
Submitted by Rastah Bar on 19 December 2019
I'm not offended, but I tend to focus on the code more than on the effects. A bit too much it seems.
Therefore I interpreted the comments as "your fast routine is too fast" and I thought "huh? what? since when is that a problem?".
It did not make much sense to me.
I did want to add some variety in scrolling speed, but was running out of memory.
As I mentioned, there is rastertime left, so some unrolled code could be put in loops and perhaps that creates enough room for effects. |
User Comment
Submitted by Yogibear on 19 December 2019
User Comment
Submitted by TheRyk on 19 December 2019
That's comparing apples to pears. First of all, rocketry is a complete demo, no only one effect. And what's more, scroll speed slows down, then gets faster again, like in a pseudo sinus, so it's possible to be amazed by the effect AND enjoy the gfx.
In general, try to be rather thankful than offended by feedback/criticism. Most of the time, it shows ppl care and want to help you get better. Only in very rare cases people really want to pick on you. As long as we're not talking about cracks, that is, hehe ;) |
User Comment
Submitted by hedning on 18 December 2019
| Rasta: because the gfx in Rocketry is not as detailed, it repeats, pauses, is only repeating the same one screen etc etc. Here it's either pause, or too fast. But it's cool. :) |
User Comment
Submitted by Rastah Bar on 18 December 2019
Thanks, Joe.
@HCL and others: I guess we have to compare to 'extended FLD' in that demo. Although I do not know exactly how that is done I think that is easier than scrolling a triple bitmap, because you don't have to fill the bottom of the screen while the gfx moves upwards. Also, less than 192 rasterlines are shown in Rocketry. And one picture is easier to handle than three anyway (f.e. more memory is available for speedcode).
Btw, I think it is a bit strange that nobody is complaining in the comments to Rocketry that the scrolling is too fast.
But why don't you give 3 pixels per frame a try? It is not entirely trivial, you know.
I actually have quite some rastertime left, so some of the developments Joe listed are certainly possible. |
User Comment
Submitted by Joe on 18 December 2019
Don't listen to the narrow sighted.
Run it as quick as you can.
Next version will have free $d021 bars underneath.
Next again a free sprite carpet.
Next will be a streaming vertical slideshow longer than 3 images in the same speed.
Next will be a complete greetings list.
Next one will be so fast it's finally considered a demo-effect.
Next one will have the same colors in the vertical borders as on screen.
Next one will have the same colors in the vertical borders as on the screen.
I'm quite sure this is one of the nicest routines I've seen this far. |
User Comment
Submitted by soci on 18 December 2019
User Comment
Submitted by Rastah Bar on 18 December 2019
Yes, very kind of Lobo to create this nice picture for me.
The challenge for me was to code as fast a scroller as I could. Has such a fast bitmap scroller ever been done? |
User Comment
Submitted by TheRyk on 18 December 2019
| as some already said, very cool gfx but way too fast scrolling |
User Comment
Submitted by hedning on 18 December 2019
| Uploading an accurate screenshot gif. |
User Comment
Submitted by Magic on 18 December 2019
| For the human eye this isnt a pleasure to watch.. A bit more slown down would actually improve the vieuwers experience alot! Nice gfx though! |
User Comment
Submitted by HCL on 18 December 2019
| Moves way too fast, but i guess this is seen as an achievement :). Picture is nice though! |
User Comment
Submitted by Oswald on 18 December 2019
| nice, light direction is all over the place tho, next time think from where the light is coming from and uniformly place shadows and highlights :) |
User Comment
Submitted by Joe on 18 December 2019
User Comment
Submitted by Rastah Bar on 18 December 2019
Four pixels per frame triple multicolor bitmap vertical scroller (192 rasterlines).
Hold P to pause. |
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9.3/10 (13 votes) 