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Forums > C64 Coding > Software sprites....

2006-04-24 10:16

PopMilo

Registered: Mar 2004
Posts: 146

Software sprites....

Does anybody have any expirience with software sprites?
Bobs?

In hires or char mode?

Games I susspect have something to do with software sprites:

Cybernoid for bullets...
Last ninja for masking main character (its not a software sprite, only hardware one masked, to show visibility...)
karnov
Astromarine corps
..,

What is record for these?

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2007-01-07 21:28

PopMilo

Registered: Mar 2004
Posts: 146

They say one picture describes more than a thousand words:

Here is two sprites decomposed to its hires-char part and its multicolor-hardware-sprite (background is black just to see those grey colors clearly):

Here are those two overlaped:

The multicolored part is simply two hardware sprites and there is no problem moving them around, one over each other.
The hires part looks like this:

These are two black hires sprites made out of dedicated characters, so if they overlap I have to use masking for them (at least for one that comes on top).
I draw the bottom one, then I draw the top one using data from the first one as the background, mask it with sprite mask, and ora it with sprite data...

Automask is a great idea, and I would use it if the multicolored sprites would be software ones (in case I use bitmap and not charmode screen, but because of speed, Im sticking to a charmode sprites for now)