dots: more size optimization
This commit is contained in:
Vince Weaver
parent
085689df38
commit
65091783da
|
|
@ -61,7 +61,7 @@ dots_minimal.o: dots_minimal.c
|
|||
dots_6502: dots_6502.o ../gr-sim.a
|
||||
$(CC) -o dots_6502 dots_6502.o ../gr-sim.a $(LFLAGS) $(SDL_LIBS)
|
||||
|
||||
dots_6502.o: dots_6502.c
|
||||
dots_6502.o: dots_6502.c sin256.h
|
||||
$(CC) $(CFLAGS) $(SDL_INCLUDE) -c dots_6502.c
|
||||
|
||||
|
||||
|
|
|
|||
|
|
@ -220,9 +220,9 @@ int main(int argc,char **argv) {
|
|||
// dot[i].x=isin(f*11)*40;
|
||||
// dot[i].y=icos(f*13)*10-dropper;
|
||||
// dot[i].z=isin(f*17)*40;
|
||||
dot_x[i]=isin(f*2)*32; // 8
|
||||
dot_y[i]=icos(f*4)*8-dropper; // 16
|
||||
dot_z[i]=isin(f*4)*32; // 16
|
||||
dot_x[i]=isin(f*2)*32*2; // 8
|
||||
dot_y[i]=icos(f*4)*8*2-dropper; // 16
|
||||
dot_z[i]=isin(f*4)*32*2; // 16
|
||||
dot_yadd[i]=0;
|
||||
}
|
||||
/* bouncing ring */
|
||||
|
|
@ -231,9 +231,9 @@ int main(int argc,char **argv) {
|
|||
// dot[i].y=dropper;
|
||||
// dot[i].z=isin(f*15)*55;
|
||||
// dot[i].yadd=-260;
|
||||
dot_x[i]=icos(f*4)*48; // 16
|
||||
dot_x[i]=icos(f*4)*48*2; // 16
|
||||
dot_y[i]=dropper;
|
||||
dot_z[i]=isin(f*4)*48; // 16
|
||||
dot_z[i]=isin(f*4)*48*2; // 16
|
||||
dot_yadd[i]=-260;
|
||||
}
|
||||
/* fountain */
|
||||
|
|
@ -243,10 +243,10 @@ int main(int argc,char **argv) {
|
|||
// dot[i].y=8000;
|
||||
// dot[i].z=isin(f*66)*a;
|
||||
// dot[i].yadd=-300;
|
||||
a=sin256[(frame>>2)&255]/8;
|
||||
dot_x[i]=icos(f*16)*a; // 64
|
||||
a=sin256[(frame>>2)&255]*2/8;
|
||||
dot_x[i]=icos(f*16)*2*a; // 64
|
||||
dot_y[i]=8000;
|
||||
dot_z[i]=isin(f*16)*a; // 64
|
||||
dot_z[i]=isin(f*16)*2*a; // 64
|
||||
dot_yadd[i]=-300;
|
||||
}
|
||||
/* swirling */
|
||||
|
|
@ -262,13 +262,13 @@ int main(int argc,char **argv) {
|
|||
|
||||
printf("rot=%d\n",rot);
|
||||
|
||||
rotcos=icos(rot)*64; rotsin=isin(rot)*64;
|
||||
rotcos=icos(rot)*128; rotsin=isin(rot)*128;
|
||||
rots+=1;
|
||||
|
||||
if(frame>1357) {
|
||||
rot+=rota/64/4;
|
||||
rota--;
|
||||
} else rot=isin(rots>>2);
|
||||
} else rot=isin(rots>>2)*2;
|
||||
|
||||
f++;
|
||||
gravity=grav;
|
||||
|
|
|
|||
|
|
@ -2,6 +2,9 @@
|
|||
#include <math.h>
|
||||
|
||||
int generate_1024=0;
|
||||
//double sin_max=256.0;
|
||||
double sin_max=128.0;
|
||||
|
||||
|
||||
int main(int argc, char **argv) {
|
||||
|
||||
|
|
@ -12,16 +15,22 @@ int main(int argc, char **argv) {
|
|||
printf("int16_t sin1024[]={\n");
|
||||
for(i=0;i<1024;i++) {
|
||||
angle=(i/1024.0)*(2.0*3.1415926535897932384);
|
||||
s=sin(angle)*256.0;
|
||||
s=sin(angle)*sin_max;
|
||||
printf("%d,",(int)s);
|
||||
if (i%16==15) printf("\n");
|
||||
}
|
||||
printf("};\n");
|
||||
} else {
|
||||
printf("int16_t sin256[]={\n");
|
||||
if (sin_max<200) {
|
||||
printf("int8_t sin256[]={\n");
|
||||
}
|
||||
else {
|
||||
printf("int16_t sin256[]={\n");
|
||||
}
|
||||
for(i=0;i<256;i++) {
|
||||
angle=(i/256.0)*(2.0*3.1415926535897932384);
|
||||
s=sin(angle)*256.0;
|
||||
s=sin(angle)*sin_max;
|
||||
if ( ((int)s)>=((int)sin_max) ) s=s-1;
|
||||
printf("%d,",(int)s);
|
||||
if (i%16==15) printf("\n");
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1,18 +1,18 @@
|
|||
int16_t sin256[]={
|
||||
0,6,12,18,25,31,37,43,49,56,62,68,74,80,86,92,
|
||||
97,103,109,115,120,126,131,136,142,147,152,157,162,167,171,176,
|
||||
181,185,189,193,197,201,205,209,212,216,219,222,225,228,231,234,
|
||||
236,238,241,243,244,246,248,249,251,252,253,254,254,255,255,255,
|
||||
256,255,255,255,254,254,253,252,251,249,248,246,244,243,241,238,
|
||||
236,234,231,228,225,222,219,216,212,209,205,201,197,193,189,185,
|
||||
181,176,171,167,162,157,152,147,142,136,131,126,120,115,109,103,
|
||||
97,92,86,80,74,68,62,56,49,43,37,31,25,18,12,6,
|
||||
0,-6,-12,-18,-25,-31,-37,-43,-49,-56,-62,-68,-74,-80,-86,-92,
|
||||
-97,-103,-109,-115,-120,-126,-131,-136,-142,-147,-152,-157,-162,-167,-171,-176,
|
||||
-181,-185,-189,-193,-197,-201,-205,-209,-212,-216,-219,-222,-225,-228,-231,-234,
|
||||
-236,-238,-241,-243,-244,-246,-248,-249,-251,-252,-253,-254,-254,-255,-255,-255,
|
||||
-256,-255,-255,-255,-254,-254,-253,-252,-251,-249,-248,-246,-244,-243,-241,-238,
|
||||
-236,-234,-231,-228,-225,-222,-219,-216,-212,-209,-205,-201,-197,-193,-189,-185,
|
||||
-181,-176,-171,-167,-162,-157,-152,-147,-142,-136,-131,-126,-120,-115,-109,-103,
|
||||
-97,-92,-86,-80,-74,-68,-62,-56,-49,-43,-37,-31,-25,-18,-12,-6,
|
||||
int8_t sin256[]={
|
||||
0,3,6,9,12,15,18,21,24,28,31,34,37,40,43,46,
|
||||
48,51,54,57,60,63,65,68,71,73,76,78,81,83,85,88,
|
||||
90,92,94,96,98,100,102,104,106,108,109,111,112,114,115,117,
|
||||
118,119,120,121,122,123,124,124,125,126,126,127,127,127,127,127,
|
||||
127,127,127,127,127,127,126,126,125,124,124,123,122,121,120,119,
|
||||
118,117,115,114,112,111,109,108,106,104,102,100,98,96,94,92,
|
||||
90,88,85,83,81,78,76,73,71,68,65,63,60,57,54,51,
|
||||
48,46,43,40,37,34,31,28,24,21,18,15,12,9,6,3,
|
||||
0,-3,-6,-9,-12,-15,-18,-21,-24,-28,-31,-34,-37,-40,-43,-46,
|
||||
-48,-51,-54,-57,-60,-63,-65,-68,-71,-73,-76,-78,-81,-83,-85,-88,
|
||||
-90,-92,-94,-96,-98,-100,-102,-104,-106,-108,-109,-111,-112,-114,-115,-117,
|
||||
-118,-119,-120,-121,-122,-123,-124,-124,-125,-126,-126,-127,-127,-127,-127,-127,
|
||||
-128,-127,-127,-127,-127,-127,-126,-126,-125,-124,-124,-123,-122,-121,-120,-119,
|
||||
-118,-117,-115,-114,-112,-111,-109,-108,-106,-104,-102,-100,-98,-96,-94,-92,
|
||||
-90,-88,-85,-83,-81,-78,-76,-73,-71,-68,-65,-63,-60,-57,-54,-51,
|
||||
-48,-46,-43,-40,-37,-34,-31,-28,-24,-21,-18,-15,-12,-9,-6,-3,
|
||||
};
|
||||
|
|
|
|||
Loading…
Reference in New Issue