dots: more sizecoding
This commit is contained in:
Vince Weaver
parent
a2feef02da
commit
085689df38
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@ -4,7 +4,16 @@ CFLAGS = -O2 -Wall -g
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SDL_LIBS= `sdl-config --libs`
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SDL_INCLUDE= `sdl-config --cflags`
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all: dots dots_dump dots_play dots_play2 dots_minimal dots_6502
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all: generate_sines \
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dots dots_dump dots_play dots_play2 dots_minimal dots_6502
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###
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generate_sines: generate_sines.o
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$(CC) -o generate_sines generate_sines.o $(LFLAGS) -lm
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generate_sines.o: generate_sines.c
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$(CC) $(CFLAGS) -c generate_sines.c
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###
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@ -8,7 +8,7 @@
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#include "../gr-sim.h"
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#include "../tfv_zp.h"
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#include "sin1024.h"
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#include "sin256.h"
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#define MAXDOTS 256
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@ -41,11 +41,16 @@ static void drawdots(void) {
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/* bx= (ez/dz)*dx + ex */
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/* by= (ez/dz)*dy + ey */
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//printf("%x %x\n",dot_z[d],dot_x[d]);
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temp32=((dot_z[d]*rotcos)-(dot_x[d]*rotsin));
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distance=(temp32>>16)+9000;
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// distance=distance<<2;
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if (distance==0) distance=1;
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// printf("%d\n",distance-9000);
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// printf("%x\n",distance);
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temp32=((dot_x[d]*rotcos)+(dot_z[d]*rotsin));
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@ -132,22 +137,23 @@ static void drawdots(void) {
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static short isin(short deg) {
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return(sin1024[deg&1023]);
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return(sin256[deg&255]);
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}
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static short icos(short deg) {
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return(sin1024[(deg+256)&1023]);
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return(sin256[(deg+64)&255]);
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}
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static short dottaul[1024];
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//static short dottaul[1024];
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int main(int argc,char **argv) {
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short dropper;
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short frame=0;
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short rota=-1*64;
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short rota=-1*64*4;
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short rot=0,rots=0;
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short a,b,c,d,i,j=0;
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short a,i;
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// short b,c,d;
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short grav,gravd;
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short f=0;
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int ch;
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@ -158,9 +164,10 @@ int main(int argc,char **argv) {
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gravitybottom=8105;
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for(a=0;a<MAXDOTS;a++) {
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dottaul[a]=a;
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// dottaul[a]=a;
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dot_y[a]=2560-dropper;
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}
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#if 0
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for(a=0;a<MAXDOTS-12;a++) {
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b=rand()%MAXDOTS;
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c=rand()%MAXDOTS;
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@ -183,7 +190,7 @@ int main(int argc,char **argv) {
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d=dot_y[b]; dot_y[b]=dot_y[c]; dot_y[c]=d;
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d=dot_z[b]; dot_z[b]=dot_z[c]; dot_z[c]=d;
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}
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#endif
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grsim_init();
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@ -194,7 +201,7 @@ int main(int argc,char **argv) {
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ram[DRAW_PAGE]=0;
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while(frame<1686) {
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while(1) {//frame<1686) {
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/* re-draw background */
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color_equals(0);
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@ -205,17 +212,17 @@ int main(int argc,char **argv) {
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frame++;
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if(frame==355) f=0;
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i=dottaul[j];
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j++; j%=MAXDOTS;
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i=frame%MAXDOTS; //dotgtaul[frame%MAXDOTS];
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// j++; j%=MAXDOTS;
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/* initial spin */
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if(frame<355) {
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// dot[i].x=isin(f*11)*40;
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// dot[i].y=icos(f*13)*10-dropper;
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// dot[i].z=isin(f*17)*40;
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dot_x[i]=isin(f*8)*32;
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dot_y[i]=icos(f*16)*8-dropper;
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dot_z[i]=isin(f*16)*32;
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dot_x[i]=isin(f*2)*32; // 8
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dot_y[i]=icos(f*4)*8-dropper; // 16
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dot_z[i]=isin(f*4)*32; // 16
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dot_yadd[i]=0;
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}
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/* bouncing ring */
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@ -224,9 +231,9 @@ int main(int argc,char **argv) {
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// dot[i].y=dropper;
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// dot[i].z=isin(f*15)*55;
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// dot[i].yadd=-260;
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dot_x[i]=icos(f*16)*48;
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dot_x[i]=icos(f*4)*48; // 16
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dot_y[i]=dropper;
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dot_z[i]=isin(f*16)*48;
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dot_z[i]=isin(f*4)*48; // 16
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dot_yadd[i]=-260;
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}
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/* fountain */
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@ -236,10 +243,10 @@ int main(int argc,char **argv) {
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// dot[i].y=8000;
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// dot[i].z=isin(f*66)*a;
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// dot[i].yadd=-300;
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a=sin1024[frame&1023]/8;
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dot_x[i]=icos(f*64)*a;
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a=sin256[(frame>>2)&255]/8;
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dot_x[i]=icos(f*16)*a; // 64
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dot_y[i]=8000;
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dot_z[i]=isin(f*64)*a;
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dot_z[i]=isin(f*16)*a; // 64
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dot_yadd[i]=-300;
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}
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/* swirling */
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@ -252,15 +259,16 @@ int main(int argc,char **argv) {
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}
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if(dropper>4000) dropper-=100;
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//rotsin=0; rotcos=64;
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printf("rot=%d\n",rot);
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rotcos=icos(rot)*64; rotsin=isin(rot)*64;
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rots+=2;
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rots+=1;
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if(frame>1357) {
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rot+=rota/64;
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rot+=rota/64/4;
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rota--;
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}
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else rot=isin(rots);
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} else rot=isin(rots>>2);
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f++;
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gravity=grav;
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@ -270,7 +278,7 @@ int main(int argc,char **argv) {
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grsim_update();
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/* approximate by 50Hz sleep */
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/* approximate 50Hz sleep */
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usleep(20000);
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ch=grsim_input();
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@ -0,0 +1,32 @@
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#include <stdio.h>
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#include <math.h>
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int generate_1024=0;
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int main(int argc, char **argv) {
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int i;
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double s,angle;
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if (generate_1024) {
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printf("int16_t sin1024[]={\n");
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for(i=0;i<1024;i++) {
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angle=(i/1024.0)*(2.0*3.1415926535897932384);
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s=sin(angle)*256.0;
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printf("%d,",(int)s);
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if (i%16==15) printf("\n");
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}
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printf("};\n");
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} else {
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printf("int16_t sin256[]={\n");
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for(i=0;i<256;i++) {
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angle=(i/256.0)*(2.0*3.1415926535897932384);
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s=sin(angle)*256.0;
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printf("%d,",(int)s);
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if (i%16==15) printf("\n");
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}
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printf("};\n");
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}
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return 0;
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}
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@ -1,41 +1,41 @@
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int16_t sin1024[]={
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0, 1, 3, 4, 6, 7, 9, 10, 12, 14, 15, 17, 18, 20, 21, 23,
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25, 26, 28, 29, 31, 32, 34, 36, 37, 39, 40, 42, 43, 45, 46, 48,
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49, 51, 53, 54, 56, 57, 59, 60, 62, 63, 65, 66, 68, 69, 71, 72,
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74, 75, 77, 78, 80, 81, 83, 84, 86, 87, 89, 90, 92, 93, 95, 96,
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97, 99,100,102,103,105,106,108,109,110,112,113,115,116,117,119,
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120,122,123,124,126,127,128,130,131,132,134,135,136,138,139,140,
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142,143,144,146,147,148,149,151,152,153,155,156,157,158,159,161,
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162,163,164,166,167,168,169,170,171,173,174,175,176,177,178,179,
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181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,
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197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,211,
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212,213,214,215,216,217,217,218,219,220,221,221,222,223,224,225,
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225,226,227,227,228,229,230,230,231,232,232,233,234,234,235,235,
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236,237,237,238,238,239,239,240,241,241,242,242,243,243,244,244,
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244,245,245,246,246,247,247,247,248,248,249,249,249,250,250,250,
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251,251,251,251,252,252,252,252,253,253,253,253,254,254,254,254,
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254,254,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
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256,255,255,255,255,255,255,255,255,255,255,255,255,255,255,254,
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254,254,254,254,254,253,253,253,253,252,252,252,252,251,251,251,
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251,250,250,250,249,249,249,248,248,247,247,247,246,246,245,245,
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244,244,244,243,243,242,242,241,241,240,239,239,238,238,237,237,
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236,235,235,234,234,233,232,232,231,230,230,229,228,227,227,226,
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225,225,224,223,222,221,221,220,219,218,217,217,216,215,214,213,
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212,211,211,210,209,208,207,206,205,204,203,202,201,200,199,198,
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197,196,195,194,193,192,191,190,189,188,187,186,185,184,183,182,
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181,179,178,177,176,175,174,173,171,170,169,168,167,166,164,163,
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162,161,159,158,157,156,155,153,152,151,149,148,147,146,144,143,
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142,140,139,138,136,135,134,132,131,130,128,127,126,124,123,122,
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120,119,117,116,115,113,112,110,109,108,106,105,103,102,100, 99,
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97, 96, 95, 93, 92, 90, 89, 87, 86, 84, 83, 81, 80, 78, 77, 75,
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74, 72, 71, 69, 68, 66, 65, 63, 62, 60, 59, 57, 56, 54, 53, 51,
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49, 48, 46, 45, 43, 42, 40, 39, 37, 36, 34, 32, 31, 29, 28, 26,
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25, 23, 21, 20, 18, 17, 15, 14, 12, 10, 9, 7, 6, 4 , 3 , 1,
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0, -1, -3, -4, -6, -7, -9,-10,-12,-14,-15,-17,-18,-20,-21,-23,
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-25,-26,-28,-29,-31,-32,-34,-36,-37,-39,-40,-42,-43,-45,-46,-48,
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-49,-51,-53,-54,-56,-57,-59,-60,-62,-63,-65,-66,-68,-69,-71,-72,
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-74,-75,-77,-78,-80,-81,-83,-84,-86,-87,-89,-90,-92,-93,-95,-96,
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-97, -99,-100,-102,-103,-105,-106,-108,-109,-110,-112,-113,-115,-116,-117,-119,
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0,1,3,4,6,7,9,10,12,14,15,17,18,20,21,23,
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25,26,28,29,31,32,34,36,37,39,40,42,43,45,46,48,
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49,51,53,54,56,57,59,60,62,63,65,66,68,69,71,72,
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74,75,77,78,80,81,83,84,86,87,89,90,92,93,95,96,
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97,99,100,102,103,105,106,108,109,110,112,113,115,116,117,119,
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120,122,123,124,126,127,128,130,131,132,134,135,136,138,139,140,
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142,143,144,146,147,148,149,151,152,153,155,156,157,158,159,161,
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162,163,164,166,167,168,169,170,171,173,174,175,176,177,178,179,
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181,182,183,184,185,186,187,188,189,190,191,192,193,194,195,196,
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197,198,199,200,201,202,203,204,205,206,207,208,209,210,211,211,
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212,213,214,215,216,217,217,218,219,220,221,221,222,223,224,225,
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225,226,227,227,228,229,230,230,231,232,232,233,234,234,235,235,
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236,237,237,238,238,239,239,240,241,241,242,242,243,243,244,244,
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244,245,245,246,246,247,247,247,248,248,249,249,249,250,250,250,
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251,251,251,251,252,252,252,252,253,253,253,253,254,254,254,254,
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254,254,255,255,255,255,255,255,255,255,255,255,255,255,255,255,
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256,255,255,255,255,255,255,255,255,255,255,255,255,255,255,254,
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254,254,254,254,254,253,253,253,253,252,252,252,252,251,251,251,
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251,250,250,250,249,249,249,248,248,247,247,247,246,246,245,245,
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244,244,244,243,243,242,242,241,241,240,239,239,238,238,237,237,
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236,235,235,234,234,233,232,232,231,230,230,229,228,227,227,226,
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225,225,224,223,222,221,221,220,219,218,217,217,216,215,214,213,
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212,211,211,210,209,208,207,206,205,204,203,202,201,200,199,198,
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197,196,195,194,193,192,191,190,189,188,187,186,185,184,183,182,
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181,179,178,177,176,175,174,173,171,170,169,168,167,166,164,163,
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162,161,159,158,157,156,155,153,152,151,149,148,147,146,144,143,
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142,140,139,138,136,135,134,132,131,130,128,127,126,124,123,122,
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120,119,117,116,115,113,112,110,109,108,106,105,103,102,100,99,
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97,96,95,93,92,90,89,87,86,84,83,81,80,78,77,75,
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74,72,71,69,68,66,65,63,62,60,59,57,56,54,53,51,
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49,48,46,45,43,42,40,39,37,36,34,32,31,29,28,26,
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25,23,21,20,18,17,15,14,12,10,9,7,6,4,3,1,
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0,-1,-3,-4,-6,-7,-9,-10,-12,-14,-15,-17,-18,-20,-21,-23,
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-25,-26,-28,-29,-31,-32,-34,-36,-37,-39,-40,-42,-43,-45,-46,-48,
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-49,-51,-53,-54,-56,-57,-59,-60,-62,-63,-65,-66,-68,-69,-71,-72,
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-74,-75,-77,-78,-80,-81,-83,-84,-86,-87,-89,-90,-92,-93,-95,-96,
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-97,-99,-100,-102,-103,-105,-106,-108,-109,-110,-112,-113,-115,-116,-117,-119,
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-120,-122,-123,-124,-126,-127,-128,-130,-131,-132,-134,-135,-136,-138,-139,-140,
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-142,-143,-144,-146,-147,-148,-149,-151,-152,-153,-155,-156,-157,-158,-159,-161,
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-162,-163,-164,-166,-167,-168,-169,-170,-171,-173,-174,-175,-176,-177,-178,-179,
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@ -49,11 +49,18 @@ int16_t sin1024[]={
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-254,-254,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,
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-256,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-255,-254,
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-254,-254,-254,-254,-254,-253,-253,-253,-253,-252,-252,-252,-252,-251,-251,-251,
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-251,-250,-250,-250,-249,-249,-249,-248,-248,-247,-247,-247,-246,-246,-245,-245,-244,-244,-244,-243,-243,-242,-242,-241,-241,-240,-239,-239,-238,-238,-237,-237,
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-236,-235,-235,-234,-234,-233,-232,-232,-231,-230,-230,-229,-228,-227,-227,-226,-225,-225,-224,-223,-222,-221,-221,-220,-219,-218,-217,-217,-216,-215,-214,-213,
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-212,-211,-211,-210,-209,-208,-207,-206,-205,-204,-203,-202,-201,-200,-199,-198,-197,-196,-195,-194,-193,-192,-191,-190,-189,-188,-187,-186,-185,-184,-183,-182,
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-181,-179,-178,-177,-176,-175,-174,-173,-171,-170,-169,-168,-167,-166,-164,-163,-162,-161,-159,-158,-157,-156,-155,-153,-152,-151,-149,-148,-147,-146,-144,-143,
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-142,-140,-139,-138,-136,-135,-134,-132,-131,-130,-128,-127,-126,-124,-123,-122,-120,-119,-117,-116,-115,-113,-112,-110,-109,-108,-106,-105,-103,-102,-100,-99,
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-97,-96,-95,-93,-92,-90,-89,-87,-86,-84,-83,-81,-80,-78,-77,-75,-74,-72,-71,-69,-68,-66,-65,-63,-62,-60,-59,-57,-56,-54,-53,-51,
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-49,-48,-46,-45,-43,-42,-40,-39,-37,-36,-34,-32,-31,-29,-28,-26,-25,-23,-21,-20,-18,-17,-15,-14,-12,-10,-9,-7,-6,-4,-3,-1
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-251,-250,-250,-250,-249,-249,-249,-248,-248,-247,-247,-247,-246,-246,-245,-245,
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-244,-244,-244,-243,-243,-242,-242,-241,-241,-240,-239,-239,-238,-238,-237,-237,
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-236,-235,-235,-234,-234,-233,-232,-232,-231,-230,-230,-229,-228,-227,-227,-226,
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-225,-225,-224,-223,-222,-221,-221,-220,-219,-218,-217,-217,-216,-215,-214,-213,
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-212,-211,-211,-210,-209,-208,-207,-206,-205,-204,-203,-202,-201,-200,-199,-198,
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-197,-196,-195,-194,-193,-192,-191,-190,-189,-188,-187,-186,-185,-184,-183,-182,
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-181,-179,-178,-177,-176,-175,-174,-173,-171,-170,-169,-168,-167,-166,-164,-163,
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-162,-161,-159,-158,-157,-156,-155,-153,-152,-151,-149,-148,-147,-146,-144,-143,
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-142,-140,-139,-138,-136,-135,-134,-132,-131,-130,-128,-127,-126,-124,-123,-122,
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-120,-119,-117,-116,-115,-113,-112,-110,-109,-108,-106,-105,-103,-102,-100,-99,
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-97,-96,-95,-93,-92,-90,-89,-87,-86,-84,-83,-81,-80,-78,-77,-75,
|
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-74,-72,-71,-69,-68,-66,-65,-63,-62,-60,-59,-57,-56,-54,-53,-51,
|
||||
-49,-48,-46,-45,-43,-42,-40,-39,-37,-36,-34,-32,-31,-29,-28,-26,
|
||||
-25,-23,-21,-20,-18,-17,-15,-14,-12,-10,-9,-7,-6,-4,-3,-1,
|
||||
};
|
||||
|
|
|
|||
|
|
@ -0,0 +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,
|
||||
};
|
||||
Loading…
Reference in New Issue