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Black Christmas V2   [2017]

Black Christmas V2 Released by :
Resource [web]

Release Date :
3 January 2017

Type :
C64 Crack Intro

Released At :
Intro Creation Competition 2016

Achievements :
C64 Demo Competition at Intro Creation Competition 2016 :  #17

User rating:********__  8.1/10 (30 votes)   See votestatistics
*********_  8.5/10 (12 votes) - Public votes only.

Credits :
Code .... Oswald of Resource
Music .... Linus of Arsenic, Camelot, MultiStyle Labs, Oxyron, Performers, SHAPE
Charset .... hedning of Genesis Project, Propaganda Magazine Staff

SIDs used in this release :
Black Christmas(/MUSICIANS/L/Linus/Black_Christmas.sid)

Download :

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User Comment
Submitted by Hammerfist on 7 January 2017
Design and eye for detail won me over. Like how the snow flakes are grey behind the scroller for readability. Yes.
User Comment
Submitted by DKT on 7 January 2017
Cool bobs. Kinda weird intro :)
User Comment
Submitted by Brush on 5 January 2017
Very nice routine! Both technically and visually,
User Comment
Submitted by Yogibear on 4 January 2017
Nice zax!
User Comment
Submitted by Oswald on 4 January 2017
The coordinates are calculated like in zoom rotators. There are 2 rotated vectors, and those are added to get the rows/columns. It is a fixed 16x16 bob carpet, if I would zoom out more you would see a square of bobs rotating :) Coordinates are 11.5 fixed point, because then upper byte only contains char resolution steps, and clipping can be done by a lookup table on hi byte only. The accuracy suffers because of this. x/y movement low 3 bits is pre drawn into a character set, so drawing each bob is a matter of plotting 4 chars.

Moving the bobs left/right etc in a wraparound manner was hard to pull of, ended up using a 9-10 bit sinus, sinus low byte is used to scale the rotzoom UV vectors and use that for offsetting all bobs to get the wrapping movement effect. (sinus lo * vector /256)
User Comment
Submitted by Dano on 4 January 2017
Really love that ball routine.

Oswald, would you mind sharing some technical stuff on how the rotation and zoom works?
User Comment
Submitted by Shine on 4 January 2017
I prefer the wonderful music and this "ball routine"! :D Good job :)
User Comment
Submitted by bepp on 3 January 2017
The music!
User Comment
Submitted by TheRyk on 3 January 2017
love these boobs erhm bobs!

could also be released as "snowy helloween"
User Comment
Submitted by Frantic on 3 January 2017
Nice one Oswald!
User Comment
Submitted by iAN CooG on 3 January 2017
definately more interesting than v1 now
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CSDb (Commodore 64 Scene Database) is a website which goal is to gather as much information and material about the scene around the commodore 64 computer - the worlds most popular home computer throughout time. Here you can find almost anything which was ever made for the commodore 64, and more is being added every day. As this website is scene related, you can mostly find demos, music and graphics made by the people who made the scene (the sceners), but you can also find a lot of the old classic games here. Try out the search box in the top right corner, or check out the CSDb main page for the latest additions.
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