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Lemme describe it this way:

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Two sine waves. Seven letters. They're all flying! ;-)


git-svn-id: svn://svn.rockbox.org/rockbox/trunk@1012 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Daniel Stenberg 2002-06-15 13:29:03 +00:00
parent 3d1c27f4d1
commit 733c99fe42
1 changed files with 139 additions and 0 deletions
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139
apps/recorder/bounce.c Normal file
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/***************************************************************************
* __________ __ ___.
* Open \______ \ ____ ____ | | _\_ |__ _______ ___
* Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
* Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
* Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
* \/ \/ \/ \/ \/
* $Id$
*
* Copyright (C) 2002 Daniel Stenberg
*
* All files in this archive are subject to the GNU General Public License.
* See the file COPYING in the source tree root for full license agreement.
*
* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
* KIND, either express or implied.
*
****************************************************************************/
#include "config.h"
#ifdef HAVE_LCD_BITMAP
#include "screensaver.h"
#include "lcd.h"
#include "button.h"
#include "kernel.h"
#ifdef SIMULATOR
#include <stdio.h>
#endif
#include <string.h>
#define SS_TITLE "Bouncer"
#define SS_TITLE_FONT 2
unsigned char table[]={
26,28,30,33,35,37,39,40,42,43,45,46,46,47,47,47,47,47,46,46,45,43,42,40,39,37,35,33,30,28,26,24,21,19,17,14,12,10,8,7,5,4,2,1,1,0,0,0,0,0,1,1,2,4,5,7,8,10,12,14,17,19,21,23,
};
unsigned char xtable[]={
54,59,64,69,73,77,81,85,88,91,94,96,97,99,99,99,99,99,97,96,94,91,88,85,81,77,73,69,64,59,54,50,45,40,35,30,26,22,18,14,11,8,5,3,2,0,0,0,0,0,2,3,5,8,11,14,18,22,26,30,35,40,45,49,
};
#define XDIFF -4
#define YDIFF -6
extern const unsigned char char_gen_12x16[][22];
static void loopit(void)
{
int center = 0;
int b;
int y=0;
int x=16;
int yy,xx;
unsigned int i;
char rock[]={'R', 'O', 'C', 'K', 'b', 'o', 'x'};
lcd_clear_display();
while(1)
{
b = button_get(false);
if ( b & BUTTON_OFF )
return;
#if 1
lcd_clear_display();
#else
lcd_clearrect(xtable[x&63], table[y&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF)&63], table[(y+YDIFF)&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF*2)&63], table[(y+YDIFF*2)&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF*3)&63], table[(y+YDIFF*3)&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF*4)&63], table[(y+YDIFF*4)&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF*5)&63], table[(y+YDIFF*5)&63], 11, 16);
lcd_clearrect(xtable[(x+XDIFF*6)&63], table[(y+YDIFF*6)&63], 11, 16);
#endif
y+=3;
x++;
yy=y;
xx=x;
for(i=0; i<sizeof(rock)/sizeof(rock[0]); i++, yy+=YDIFF, xx+=XDIFF)
lcd_bitmap((char *)char_gen_12x16[rock[i]-0x20],
xtable[xx&63], table[yy&63],
11, 16, false);
lcd_update();
sleep(HZ/10);
}
}
void bounce(void)
{
int w, h;
char *off = "[Off] to stop";
int len = strlen(SS_TITLE);
lcd_getfontsize(SS_TITLE_FONT, &w, &h);
/* Get horizontel centering for text */
len *= w;
if (len%2 != 0)
len = ((len+1)/2)+(w/2);
else
len /= 2;
if (h%2 != 0)
h = (h/2)+1;
else
h /= 2;
lcd_clear_display();
lcd_putsxy(LCD_WIDTH/2-len, (LCD_HEIGHT/2)-h, SS_TITLE, SS_TITLE_FONT);
len = strlen(off);
lcd_getfontsize(0, &w, &h);
/* Get horizontel centering for text */
len *= w;
if (len%2 != 0)
len = ((len+1)/2)+(w/2);
else
len /= 2;
if (h%2 != 0)
h = (h/2)+1;
else
h /= 2;
lcd_putsxy(LCD_WIDTH/2-len, LCD_HEIGHT-(2*h), off,0);
lcd_update();
sleep(HZ);
loopit();
}
#endif