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crashtest-r0ket
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nicer loadable

This commit is contained in:
Stefan `Sec` Zehl 2011-08-06 04:37:04 +02:00
parent 94f0092c93
commit 6721b93d53
1 changed files with 179 additions and 40 deletions
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195
firmware/l0dable/rockets.c
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@ -3,39 +3,121 @@
#include "lcd/lcd.h" #include "lcd/lcd.h"
#include "usetable.h" #include "usetable.h"
#define O_FIXED 1023
#define SPP 10
static void draw_rakett (int x, int y, int scale, int angle); static void draw_rakett (int x, int y, int scale, int angle);
static int my_gray (int x, int y, void *data); static int my_gray (int x, int y, void *data);
static int o_sin(int x);
static int o_cos(int x);
static int frame_no = 0;
void ram (void) { #define ANIM(start_val, end_val) \
(((start_val) * (1000-(t))) / 1000 + ((end_val) * ((t))) /1000)
void ram (void)
{
char test[512]; /* scratch space */ char test[512]; /* scratch space */
o_init (test, sizeof(test)); o_init (test, sizeof(test));
int frame_no = 0;
int frame_dir = 1; int frame_dir = 1;
int inpt;
o_set_shader (my_gray, NULL); o_set_shader (my_gray, NULL);
while (getInputRaw() != BTN_ENTER){ int x;
o_identity (); int y;
o_rectangle (0,0,RESX, RESY); int angle;
o_set_gray (250); int scale;
int velocity = 0;
while ((inpt = getInputRaw()) != BTN_ENTER)
{
int t;
o_identity (); /* reset tranforms */
o_set_gray (0);
o_rectangle (0,0,RESX, RESY); /* fill background with black */
o_fill (); /* fill with 50% gray */ o_fill (); /* fill with 50% gray */
draw_rakett (40, 20, 400, 300); if (frame_no < 800)
draw_rakett (20, 20, 250, 10*frame_no); {
draw_rakett (80, 30, 350, 450+14*frame_no); o_set_gray (250);
o_rectangle (0,RESY-7,RESX, 10); /* fill background with black */
o_fill (); /* fill with 50% gray */
}
if (frame_no < 100)
{
t = frame_no * 1000 / 100;
x = ANIM(-60 * 10, 100 * 10);
y = RESY/2 * 10;
angle = ANIM(500, 300);
scale = ANIM(1200, 700);
}
else if (frame_no < 300)
{
t = (frame_no - 100) * 1000 / 200;
x = ANIM(100 * 10, 10 * RESX/2);
y = ANIM((RESY/2) * 10, (RESY/2 - 10) * 10);
angle = ANIM(300, 0);
scale = ANIM(700, 300);
}
else if (frame_no < 600)
{
t = (frame_no - 300) * 1000 / 300;
x = RESX/2 * 10;
y = ANIM((RESY/2-10) * 10, (RESY-14) * 10);
angle = 0;
scale = 300;
}
else
{
/* flying time */
if (inpt == BTN_UP)
{
velocity ++;
}
else if (inpt == BTN_DOWN)
{
velocity --;
}
else if (inpt == BTN_LEFT)
{
angle -= 5;
}
else if (inpt == BTN_RIGHT)
{
angle += 5;
}
if (velocity > 10)
velocity = 10;
if (velocity < -10)
velocity = -10;
{
int c = o_cos ((angle - 900) * 4 * 8192 / 3600) / 4;
int s = o_sin ((angle - 900) * 4 * 8192 / 3600) / 4;
x += (c / 100) * velocity / 10;
y += (s / 100) * velocity / 10;
}
y++;
if (y > (RESY-14) * 10)
y = (RESY-14) * 10;
}
draw_rakett (x, y, scale, angle);
frame_no += frame_dir; frame_no += frame_dir;
lcdDisplay(); lcdDisplay();
delayms(2);
if (frame_no > 1000 || frame_no < 0)
frame_dir *= -1;
} }
} }
static int my_gray (int x, int y, void *data) static int my_gray (int x, int y, void *data)
{ {
int value = (int)(data); /* stored gray value as 8bit value */ int value = (int)(data);
switch (value) /* the dither patterns are can be seen */ switch (value)
{ /* at the end of the lines */ {
case 0: /* 0.0 */ case 0: /* 0.0 */
return 0; return 0;
case 1: /* 0.16 */ case 1: /* 0.16 */
@ -43,15 +125,31 @@ static int my_gray (int x, int y, void *data)
(x%3==1) ? (y %2)? 0:0: (x%3==1) ? (y %2)? 0:0:
(y %2)? 0:1; (y %2)? 0:1;
case 2: /* 0.25 */ case 2: /* 0.25 */
switch (frame_no % 4) {
case 0:
return (x%2) ? (y %2)? 1:0: return (x%2) ? (y %2)? 1:0:
(y %2)? 0:0; (y %2)? 0:0;
case 1:
return (x%2) ? (y %2)? 0:1:
(y %2)? 0:0;
case 2:
return (x%2) ? (y %2)? 0:0:
(y %2)? 0:1;
case 3:
return (x%2) ? (y %2)? 0:0:
(y %2)? 1:0;
}
case 3: /* 0.33 */ case 3: /* 0.33 */
return (x%3==0) ? (y %2)? 1:0: return (x%3==0) ? (y %2)? 1:0:
(x%3==1) ? (y %2)? 0:0: (x%3==1) ? (y %2)? 0:0:
(y %2)? 0:1; (y %2)? 0:1;
case 4: /* 0.50 */ case 4: /* 0.50 */
if (frame_no %2)
return (x%2==0) ? (y %2)? 1:0: return (x%2==0) ? (y %2)? 1:0:
(y %2)? 0:1; (y %2)? 0:1;
else
return (x%2==0) ? (y %2)? 0:1:
(y %2)? 1:0;
case 5: /* 0.66 */ case 5: /* 0.66 */
return (x%3==0) ? (y %2)? 0:1: return (x%3==0) ? (y %2)? 0:1:
(x%3==1) ? (y %2)? 1:1: (x%3==1) ? (y %2)? 1:1:
@ -73,12 +171,18 @@ static int my_gray (int x, int y, void *data)
return 0; return 0;
} }
/* This is a very simple vector drawing of heart of gold encoded in a
* string (search and replace regexp-fu on an SVG made in inkscape was
* used to create the strings)
*
* to reduce size, all coordinates are encoded as bytes, 'g'ray values
* are in the range 0-100.
*/
static signed char rakett[] = { static signed char rakett[] = {
' ', ' ',
'm',38,6, 'm',38,6,
'c',38,6,36,13,36,15, 'c',38,6,36,13,36,15,
'c',24,22,23,26,21,32,'c',19,41,23,61,23,61,'c',15,73,14,95,17,110,'l',26,109,'c',26,102,26,87,30,83,'c',30,83,30,88,30,95,'c',31,103,31,108,31,108,'l',36,108,'c',36,108,35,98,36,91,'c',37,83,38,80,38,80,'c',41,79,43,80,47,79,'c',56,85,56,89,58,99,'c',58,103,58,108,58,108,'l',68,108,'c',67,89,69,73,54,58,'c',54,58,56,41,53,31,'c',50,21,40,15,40,15,'l',38,6,'z','g',0,'f','g',100,'s', 'c',24,22,23,26,21,32,'c',19,41,23,61,23,61,'c',15,73,14,95,17,110,'l',26,109,'c',26,102,26,87,30,83,'c',30,83,30,88,30,95,'c',31,103,31,108,31,108,'l',36,108,'c',36,108,35,98,36,91,'c',37,83,38,80,38,80,'c',41,79,43,80,47,79,'c',56,85,56,89,58,99,'c',58,103,58,108,58,108,'l',68,108,'c',67,89,69,73,54,58,'c',54,58,56,41,53,31,'c',50,21,40,15,40,15,'l',38,6,'z','g',100,'f','g',100,'s',
' ', ' ',
'm',33,20,'c',31,20,29,21,27,22,'c',25,24,23,27,22,29,'c',20,35,21,38,21,38,'c',26,38,29,36,34,33,'c',38,31,42,24,34,21,'c',34,21,33,20,33,20,'z','g', 50,'f','.' 'm',33,20,'c',31,20,29,21,27,22,'c',25,24,23,27,22,29,'c',20,35,21,38,21,38,'c',26,38,29,36,34,33,'c',38,31,42,24,34,21,'c',34,21,33,20,33,20,'z','g', 50,'f','.'
}; };
@ -135,15 +239,50 @@ void o_rectangle (int x0, int y0, int width, int height)
o_close (); o_close ();
} }
void draw_rakett (int x, int y, int scale, int angle) static int o_sin(int x)
{ {
OMatrix m={{{scale,0},{0,scale},{x * 6000,y * 6000}}}; #define qN 13
o_identity (); /* reset transform stack */ #define qA 12
/* #define qP 15
o_translate(x * 1000 , y * 1000 ); #define qR (2*qN-qP)
o_rotate (angle); #define qS (qN+qP+1-qA)
o_scale (scale, scale);
o_translate (-37000, -60000);*/ x= x<<(30-qN); // shift to full s32 range (Q13->Q30)
o_transform (&m, 0);
orender (rakett); /* render a rocket */ if( (x^(x<<1)) < 0) // test for quadrant 1 or 2
x= (1<<31) - x;
x= x>>(30-qN);
return (x * ( (3<<qP) - (x*x>>qR) ) >> qS );
}
static inline int o_cos(int x)
{
return o_sin(x + 8192);
}
static void draw_rakett (int x, int y, int scale, int angle)
{
/* directly including the matrices used to build up the transform, the fudging factors
depend on internal values of o to add up properly */
OMatrix mtranslate = {{{O_FIXED,0},
{0,O_FIXED},
{x * 100 * SPP * O_FIXED / 1000, y * 100 * SPP * O_FIXED / 1000}}};
int c = o_cos (angle * 4 * 8192 / 3600) / 4;
int s = o_sin (angle * 4 * 8192 / 3600) / 4;
OMatrix mrotate = {{{c,s},
{-s,c},
{0, 0}}};
OMatrix mscale = {{{scale * O_FIXED / 1000, 0},
{0,scale * O_FIXED / 1000},
{0,0}}};
OMatrix mtranslate2 = {{{O_FIXED,0},
{0,O_FIXED},
{-37000 * SPP * O_FIXED / 1000, -60000 * SPP * O_FIXED / 1000}}};
o_transform (&mtranslate, 1); /* passing 1 as second arg sets the transform to this */
o_transform (&mrotate, 0); /* passing 0 adds this transformaiton */
o_transform (&mscale, 0); /* again (it is multiplying the matrices internally) */
o_transform (&mtranslate2, 0); /* the final translate (first actually) sets the local origin. */
orender (rakett); /* render the rocket data */
} }