Êóðñîâàÿ ðàáîòà: Àðêàäíà ãðà "ãîëüô" ç åëåìåíòàìè òðüîõâèì³ðíî¿ ïîâåðõí³
Ïîøóê i-ãî åëåìåíòà â çâ'ÿçàíîìó ñòèñíóòîìó çáåðåæåíí³ çä³éñíþºòüñÿ ìåòîäîì ïîâíîãî ïåðåãëÿäó, ïðè ïîñë³äîâíîìó çáåðåæåíí³ - ìåòîäîì á³íàðíîãî ïîøóêó.
Ïåðåâàãè ³ íåäîë³êè ïîñë³äîâíîãî ñòèñíóòîãî ³ çâ'ÿçàíîãî ñòèñíóòîãî àíàëîã³÷í³ ïåðåâàãàì ³ íåäîë³êàì ïîñë³äîâíîãî ³ çâ'ÿçàíîãî çáåðåæåííÿ.
Ðîçãëÿíåìî íàñòóïíó çàäà÷ó. Íà âõîä çàäàí³ äâ³ ïîñë³äîâíîñò³ ö³ëèõ ÷èñåë M=, N=, ïðè÷îìó 92% åëåìåíò³â ïîñë³äîâíîñò³ Ì äîð³âíþþòü íóëåâ³. Ñêëàñòè ïðîãðàìó äëÿ îá÷èñëåííÿ ñóìè äîáóòê³â Mi * Ni, ³=1,2,...,10000.
Ïðèïóñòèìî, ùî ñïèñîê Ì çáåð³ãàºòüñÿ ïîñë³äîâíî ñòèñëî â ìàñèâ³ ñòðóêòóð m ç îãîëîøåííÿì:
struct
{ int nm;
float val; } m[10000];
Äëÿ âèçíà÷åííÿ ê³íöÿ ñïèñêó äîäàìî ùå îäèí åëåìåíò ³ç ïîðÿäêîâèì íîìåðîì m[j].nm=10001, ùî íàçèâàºòüñÿ ñòîïåðîì (stopper) ³ ðîçòàøîâóºòüñÿ çà îñòàíí³ì åëåìåíòîì ñòèñíóòîãî çáåðåæåííÿ ñïèñêó â ìàñèâ³ m.
Ïðîãðàìà äëÿ ïåðåáóâàííÿ øóêàíî¿ ñóìè ìຠâèãëÿä:
# include
main()
{ int ³,j=0;
float inp,sum=0;
struct /* îãîëîøåííÿ ìàñèâó */
{ int nm; /* ñòðóêòóð */
float val; } m[10000];
for(i=0;i<10000;i++) /* ÷èòàííÿ ñïèñêó M */ { scanf("%f",&inp); if (inp!="0)" { m[j].nm="i;" m[j++].val="inp;" } } m[j].nm="10001;" /* stopper */ for(i="0,j=0;" i<10000; i++) { scanf("%f",&inp); /* ÷èòàííÿ ñïèñêó N */ if(i="=m[j].nm)" /* îá÷èñëåííÿ ñóìè */ sum+="m[j++].val*inp;" } printf( "ñóìà äîáóòê³â Mi*Ni äîð³âíþº %f",sum); }
²íäåêñíå çáåðåæåííÿ âèêîðèñòîâóºòüñÿ äëÿ çìåíøåííÿ ÷àñó ïîøóêó ïîòð³áíîãî åëåìåíòà â ñïèñêó ³ ïîëÿãຠâ íàñòóïíîìó. Âèõ³äíèé ñïèñîê B = ðîçáèâàºòüñÿ íà òðîõè ï³äñïèñê³â Ó1,Ó2, ...,Âì òàêèì ÷èíîì, ùî êîæåí åëåìåíò ñïèñêó  ïîïàäຠò³ëüêè â îäèí ç ï³äñïèñê³â, ³ äîäàòêîâî âèêîðèñòîâóºòüñÿ ³íäåêñíèé ñïèñîê ç Ì åëåìåíòàìè, ùî âêàçóþòü íà ïî÷àòîê ñïèñê³â Ó1,Ó2, ...,Óì.
Ââàæàºòüñÿ, ùî ñïèñîê çáåð³ãàºòüñÿ íäåêñíî çà äîïîìîãîþ ï³äñïèñê³â B1,B2, ...,Bm ³ ³íäåêñíîãî ñïèñêó X = , äå ADGj - àäðåñà ïî÷àòêó ï³äñïèñêà Bj, j=1,M.
Ïðè ³íäåêñíîìó çáåðåæåíí³ åëåìåíò Äî ï³äñïèñêà Bj ìຠ³íäåêñ j. Äëÿ îäåðæàííÿ ³íäåêñíîãî çáåðåæåííÿ âèõ³äíèé ñïèñîê Ó ÷àñòî ïåðåòâîðèòüñÿ â ñïèñîê Â' øëÿõîì âêëþ÷åííÿ â êîæåí âóçîë ùå ³ éîãî ïîðÿäêîâîãî íîìåðà ó âèõ³äíîìó ñïèñêó Â, à â j-èé åëåìåíò ³íäåêñíîãî ñïèñêó Õ, êð³ì ADGj, ìîæå âêëþ÷àòèñÿ äåÿêà äîäàòêîâà ³íôîðìàö³ÿ ïðî ï³äñïèñîê Bj. Ðîçáèâêà ñïèñêó  íà ï³äñïèñêè çä³éñíþºòüñÿ òàê, ùîá âñ³ åëåìåíòè Â, ùî âîëîä³þòü âèçíà÷åíîþ âëàñòèâ³ñòþ Ðj, ïîïàäàëè â îäèí ï³äñïèñîê Bj.
Äîñòî¿íñòâîì ³íäåêñíîãî çáåðåæåííÿ º òå, ùî äëÿ ïåðåáóâàííÿ åëåìåíòà Ê ñ çàäàíîþ âëàñòèâ³ñòþ Pj äîñèòü ïåðåãëÿíóòè ò³ëüêè åëåìåíòè ï³äñïèñêà Bj; éîãî ïî÷àòîê çíàõîäèòüñÿ ïî ³íäåêñíîìó ñïèñêó Õ, òîìó ùî äëÿ êîæíîãî ÄÎ, ùî íàëåæèòü Bi, ïðè ³ íå ð³âíîìó j âëàñòèâ³ñòü Pj íå âèêîíóºòüñÿ.
Ó ðîçáèâö³  ÷àñòî âèêîðèñòîâóºòüñÿ íäåêñíà ôóíêö³ÿ G(K), ùî îá÷èñëþº ïî åëåìåíò³ Äî éîãî ³íäåêñ j, òîáòî G(K)=j. Ôóíêö³ÿ G çâè÷àéíî çàëåæèòü â³ä ïîçèö³¿ ÄÎ, ùî ïîçíà÷àºòüñÿ ïîç.K, ó ï³äñïèñêó  àáî â³ä çíà÷åííÿ âèçíà÷åíî¿ ÷àñòèíè êîìïîíåíòè ÄÎ - ¿¿ êëþ÷à.
Ðîçãëÿíåìî ñïèñîê B= ç åëåìåíòàìè
ÄÎ1=(17,Y), K2=(23,H), K3=(60,I), K4=(90,S), K5=(66,T),
K6=(77,T), K7=(50,U), K8=(88,W), K9=(30,S).
ßêùî äëÿ ðîçáèâêè öüîãî ñïèñêó íà ï³äñïèñêè ÿê ³íäåêñíó ôóíêö³þ âçÿòè Ga(K)=1+(ïîç.K-1)/3, òî ñïèñîê ðîçä³ëèòüñÿ íà òðè ï³äñïèñêà:
B1a=<(17,Y),(23,H),(60,I)>,
B2a=<(90,S),(66,T),(77,T)>,
B3a=<(50,U),(88,W),(30,S)>.
Äîäàþ÷è óñþäè ùå ³ ïî÷àòêîâó ïîçèö³þ åëåìåíòà â ñïèñêó, îäåðæóºìî:
B1a'=<(1,17,Y),(2,23,H),(3,60,I)>,
B2a'=<(4,90,S),(5,66,T),(6,77,T)>,
B3à'=<(7,50,U),(8,88,W),(9,30,S)>.
ßêùî ÿê ³íäåêñíó ôóíêö³þ âèáðàòè ³íøó ôóíêö³þ Gb(K)=1+(ïîç.K-1)%3, òî îäåðæèìî ñïèñêè:
B1b"=<(1,17,Y),(4,90,S),(7,50,U)>,
B2b"=<(2,23,H),(5,66,T),(8,88,U)>,
B3b"=<(3,60,I),(6,77,T),(9,30,S)>.
Òåïåð äëÿ ïåðåáóâàííÿ âóçëà K6 äîñèòü ïåðåãëÿíóòè ò³ëüêè îäíó ç òðüîõ ïîñë³äîâíîñòåé (ñïèñê³â). Ïðè âèêîðèñòàíí ôóíêö³¿ Ga(K) öå ñïèñîê B2à', à ïðè ôóíêö³¿ Gb(K) ñïèñîê B3b".
Äëÿ ³íäåêñíî¿ ôóíêö³¿ Gc(K)=1+K1/100, äå K1 - ïåðøèé êîìïîíåíò åëåìåíòà ÄÎ, çíàõîäèìî:
B1=<(17,Y),(23,H),(60,I),(90,S)>,
B2=<(66,T),(77,T)>,
B3=<(50,U),(88,W)>,
B4=<(30,S)>.
Ùîá çíàéòè òóò âóçîë Ê ñ ïåðøèì êîìïîíåíòîì-êëþ÷åì ÄÎ1=77, äîñèòü ïåðåãëÿíóòè ñïèñîê B2.
Ïðè ðåàë³çàö³¿ ³íäåêñíîãî çáåðåæåííÿ çàñòîñîâóºòüñÿ ìåòîäèêà À äëÿ çáåðåæåííÿ ³íäåêñíîãî ñïèñêó Õ (ôóíêö³ÿ Ga(X) ) ìåòîäèêà C äëÿ çáåðåæåííÿ ï³äñïèñê³â B1,B2,...,Bm (ôóíêö³ÿ Gc(Bi)), òîáòî âèêîðèñòîâóºòüñÿ, òàê íàçèâàíå, A-C ³íäåêñíå çáåðåæåííÿ.
Ó ïðàêòèö³ ÷àñòî âèêîðèñòîâóºòüñÿ ïîñë³äîâíî-çâ'ÿçàíå ³íäåêñíå çáåðåæåííÿ. Òîìó ùî çâè÷àéíî äîâæèíà ñïèñêó íäåêñ³â â³äîìà, òå éîãî çðó÷íî çáåð³ãàòè ïîñë³äîâíî, çàáåçïå÷óþ÷è ïðÿì³é äîñòóï äî áóäü-ÿêîãî åëåìåíòà ñïèñêó ³íäåêñ³â. ϳäñïèñêè B1,B2,...,Bm çáåð³ãàþòüñÿ ïîâ'ÿçàíî, ùî ñïðîùóº âñòàâêó ³ âèäàëåííÿ âóçë³â(åëåìåíò³â). Çîêðåìà, ïîä³áíèé ìåòîä çáåðåæåííÿ âèêîðèñòîâóºòüñÿ â ªÑ ÅÎÌ äëÿ îðãàí³çàö³¿, òàê çâàíèõ, ³íäåêñíî-ïîñë³äîâíèõ íàáîð³â äàíèõ, ó ÿêèõ äîñòóï äî îêðåìèõ çàïèñ³â ìîæëèâèé ÿê ïîñë³äîâíî, òàê ³ çà äîïîìîãîþ êëþ÷à.
Ïîñë³äîâíî-çâ‘ÿçàíå ³íäåêñíå çáåðåæåííÿ äëÿ ïðèâåäåíîãî ïðèêëàäà çîáðàæåíå íà ìàë.24, äå X=.
Ðîçãëÿíåìî ùå îäíó çàäà÷ó. Íà âõîä çàäàíà ïîñë³äîâí³ñòü ö³ëèõ ïîçèòèâíèõ ÷èñåë, ùî çàê³í÷óºòüñÿ íóëåì. Ñêëàñòè ïðîöåäóðó äëÿ ââåäåííÿ ö³º¿ ïîñë³äîâíîñò³ é îðãàí³çàö³¿ ¿¿ ³íäåêñíîãî çáåðåæåííÿ òàêèì ÷èíîì, ùîá ÷èñëà, ùî çá³ãàþòüñÿ â äâîõ îñòàíí³õ öèôðàõ, ì³ñòèëèñÿ â îäèí ï³äñïèñîê.
Âèáåðåìî ÿê ³íäåêñíó ôóíêö³þ G(K)=K%100+1, à ÿê ³íäåêñíèé ñïèñîê Õ - ìàñèâ ç 100 åëåìåíò³â. Íàñòóïíà ôóíêö³ÿ âèð³øóº ïîñòàâëåíó çàäà÷ó:
#include
#include
typedef struct nd
{ float val;
struct nd *n; } ND;
int index (ND *x[100])
{ ND *p;
int i,j=0;
float inp;
for (i=0; i<100; i++) x[i]="NULL;" scanf("%d",&inp); while (inp!="0)" { j++; p="malloc(sizeof(ND));" i="inp%100+1;" p->val=inp;
p->n=x[i];
x[i]=p;
scanf("%d",&inp);
}
return j;
}
Çíà÷åííÿì ôóíêö³¿, ùî ïîâåðòàºòüñÿ, index áóäå ÷èñëî îáðîáëåíèõ åëåìåíò³â ñïèñêó.
Äëÿ ³íäåêñíîãî ñïèñêó òàêîæ ìîæå âèêîðèñòîâóâàòèñÿ ³íäåêñíå çáåðåæåííÿ. Íåõàé, íàïðèêëàä, ìàºòüñÿ ñïèñîê B= ç åëåìåíòàìè
K1=(338,Z), K2=(145,A), K3=(136,H), K4=(214,I), K5 =(146,C),
K6=(334,Y), K7=(333,P), K8=(127,G), K9=(310,O), K10=(322,X).
Ïîòð³áíî ðîçä³ëèòè éîãî íà ñ³ìîõ ï³äñïèñê³â, òîáòî X= òàêèì ÷èíîì, ùîá ó êîæåí ñïèñîê B1,B2,...,B7 ïîïàäàëè åëåìåíòè, ùî çá³ãàþòüñÿ â ïåðøîìó êîìïîíåíò³ ïåðøèìè äâîìà öèôðàìè. Ñïèñîê Õ, ó ñâîþ ÷åðãó, áóäåìî ³íäåêñóâàòè ñïèñêîì ³íäåêñ³â Y=, ùîá ó êîæåí ñïèñîê Y1,Y2,Y3 ïîïàäàëè åëåìåíòè ç X, ó ÿêèõ ó ïåðøîìó êîìïîíåíò³ çá³ãàþòüñÿ ïåðø³ öèôðè. ßêùî ñïèñêè B1,B2,...,B7 çáåð³ãàòè ïîâ'ÿçàíî, à ñïèñêè ³íäåêñ³â X,Y ³íäåêñíî, òå òàêèé ñïîñ³á çáåðåæåííÿ ñïèñêó B íàçèâàºòüñÿ çâ'ÿçàíèì ³íäåêñíèì çáåðåæåííÿì. Ãðàô³÷íå çîáðàæåííÿ öüîãî çáåðåæåííÿ ïðèâåäåíå íà ìàë.25.
Ïðàêòè÷íà ÷àñòèíà
˳ñò³íã ïðîãðàìè
Îñíîâíèé ìîäóëü golf.c
#include <time.h>
#include <stdlib.h>
#include <dos.h>
#include <conio.h>
#include <math.h>
#include <malloc.h>
#define GRIDSIZE 80 /* Must be bigger than VIEWSIZE */
#define VIEWSIZE 61 /* MUST be odd */
#define DIFF (GRIDSIZE-VIEWSIZE)
#define DEF_DIST -1100
#define DEF_PITCH 122
#define DEF_HEIGHT 120
#define DEF_ROLL 315
#define sine(X) ((long)(sn_tbl[X]))
#define cosine(X) ((long)(sn_tbl[((X)+90) % 360]))
#define C_Plot(X,Y,C) pokeb(0xa000, (X) + 320U*(Y), C)
#define SHIFT 14
#define MASK (GRIDSIZE*GRIDSIZE)
/*
#define GetGrid(X,Y) ((unsigned)grid[((X) + GRIDSIZE*(Y) +idx) % MASK])
#define PutGrid(X,Y,C) grid[((X) + GRIDSIZE*(Y) +idx) % MASK] = (unsigned char)(C)
*/
#define CalcAddress(X,Y) (&grid[((X) + GRIDSIZE*(Y) + idx) % MASK])
extern void far *view_screen;
extern void far *screen;
extern int sn_tbl[360];
extern unsigned char grid[GRIDSIZE*GRIDSIZE];
extern unsigned rand_seed;
unsigned idx = 0;
extern long pitch_sine;
extern long pitch_cosine;
extern long roll_sine;
extern long roll_cosine;
int num_points = GRIDSIZE*GRIDSIZE;
#define START (DIFF/2)
int gx = START,gy = START;
unsigned char *gp;
int cz = DEF_DIST;
int cy = DEF_HEIGHT;
int roll = DEF_ROLL;
int cpitch = DEF_PITCH;
extern void SetMyMode(void);
extern void ClearMyScreen(void);
extern void Project(void);
extern void SwapScreens(void);
extern void DoPlasma(int,int,int,int);
extern int GetRand(void);
extern unsigned GetGrid(void);
extern void PutGrid(void);
#define _GetGrid(X,Y) (_AX = (X), _BX = (Y), GetGrid())
#define _PutGrid(X,Y,C) { _CX = (C); _AX = (X); _BX = (Y); PutGrid(); }
void SetMode(void)
{
struct REGPACK regs;
regs.r_ax = 0x13;
intr(0x10, ®s);
}
void SetTextMode(void)
{
struct REGPACK regs;
regs.r_ax = 0x3;
intr(0x10, ®s);
}
void SetPalette(void)
{
register int i;
register int j;
#define DEPTH(X) max((((X)*(3-j))/3), 3)
for (j = 0; j<4; j++)
for (i = 0; i<64; i+=4)
{
if (i+j > 0)
{
disable();
outportb(0x3c8, (i >> 2)+64*j);
outportb(0x3c9, 0);
outportb(0x3c9, 0);
outportb(0x3c9, DEPTH(2*i/3));
enable();
}
disable();
outportb(0x3c8, (i >> 2)+64*j+16);
outportb(0x3c9, DEPTH(i/2+10));
outportb(0x3c9, DEPTH(i/4+10));
outportb(0x3c9, DEPTH(i/6+10));
enable();
disable();
outportb(0x3c8, (i >> 2)+64*j+32);
outportb(0x3c9, DEPTH(max(63/2+10-i,0)));
outportb(0x3c9, DEPTH(min(64/4+10+3*i/4,63)));
outportb(0x3c9, DEPTH(max(63/6+10-i,0)));
enable();
disable();
outportb(0x3c8, (i >> 2)+64*j+48);
outportb(0x3c9, DEPTH(i));
outportb(0x3c9, DEPTH(63));
outportb(0x3c9, DEPTH(i));
enable();
}
}
/*
int RandPixel(int x,int y,int x1,int y1,int x2,int y2)
{
int col;
col = (GetRand()%200 - 100) * (abs(x-x1)+abs(y-y1)) / (GRIDSIZE/6)
+((_GetGrid(x1,y1)+_GetGrid(x2,y2)) >> 1);
if (col < 1) col = 1;
if (col > 255) col = 255;
_PutGrid(x,y,col);
return col;
}
*/
/*
void DoPlasma(int x1, int y1, int x2, int y2)
{
int x,y,s,p;
if (x2-x1 <= 1 && y2-y1 <= 1)
return;
x = (x1+x2) >> 1;
y = (y1+y2) >> 1;
if ((p = _GetGrid(x, y1)) == 0)
p = RandPixel(x,y1,x1,y1,x2,y1);
s = p;
if ((p = _GetGrid(x2,y)) == 0)
p = RandPixel(x2,y,x2,y1,x2,y2);
s += p;
if ((p = _GetGrid(x,y2)) == 0)
p = RandPixel(x,y2,x1,y2,x2,y2);
s += p;
if ((p = _GetGrid(x1,y)) == 0)
p = RandPixel(x1,y,x1,y1,x1,y2);
s += p;
if (_GetGrid(x,y) == 0)
_PutGrid(x,y,s >> 2);
DoPlasma(x1,y1,x,y);
DoPlasma(x,y1,x2,y);
DoPlasma(x1,y,x,y2);
DoPlasma(x,y,x2,y2);
}
*/
void BlankGrid(int x1,int y1,int x2,int y2)
{
register int x,y;
for (y = y1; y <= y2; y++)
for (x = x1; x <= x2; x++)
_PutGrid(x,y,0);
}
void NewLand(int x1,int y1,int x2,int y2)
{
unsigned av = 0;
int val;
int num = 0;
if ((val = _GetGrid(x1,y1)) > 0)
{
av += val;
num++;
}
if ((val = _GetGrid(x2,y1)) > 0)
{
av += val;
num++;
}
if ((val = _GetGrid(x2,y2)) > 0)
{
av += val;
num++;
}
if ((val = _GetGrid(x1,y2)) > 0)
{
av += val;
num++;
}
if (!av || GetRand() % 32 == 0)
av = GetRand() % 256;
else
av /= num;
if (_GetGrid(x1,y1) == 0)
_PutGrid(x1,y1, av + (GetRand() % 80 -40));
if (_GetGrid(x2,y1) == 0)
_PutGrid(x2,y1, av + (GetRand() % 80 -40));
if (_GetGrid(x2,y2) == 0)
_PutGrid(x2,y2, av + (GetRand() % 80 -40));
if (_GetGrid(x1,y2) == 0)
_PutGrid(x1,y2, av + (GetRand() % 80 -40));
DoPlasma(x1,y1,x2,y2);
}
void Test(void)
{
register int p;
register int x;
int y;
for (y = 0,p = idx; y < GRIDSIZE; y++)
for (x = 0; x < GRIDSIZE; x++, p = (p+1) % MASK)
C_Plot(x,y,max(grid[p],63) >> 2);
for (x = 0; x < VIEWSIZE; x++)
{
C_Plot(gx+x, gy, 0);
C_Plot(gx+x, gy+VIEWSIZE, 0);
C_Plot(gx, gy+x, 0);
C_Plot(gx+VIEWSIZE, gy+x, 0);
}
/*
for (y = 0, p = gp; y < VIEWSIZE; y++, p += DIFF)
for (x = 0; x < VIEWSIZE; x++,p++)
C_Plot(gx+x,gy+y,*p >> 3);
*/
}
void ClearScr(void)
{
register unsigned i;
for (i = 0; i < (320U*150); i++)
pokeb(0xa000,i,0);
}
void check_gx(void)
{
if (gx < 0)
{
idx = (idx-DIFF/2 + MASK) % MASK;
gx = START-1;
BlankGrid(0,0, DIFF/2-1, GRIDSIZE-1);
NewLand(0,0,DIFF/2,GRIDSIZE/4);
NewLand(0,GRIDSIZE/4,DIFF/2,2*GRIDSIZE/4);
NewLand(0,2*GRIDSIZE/4,DIFF/2,3*GRIDSIZE/4);
NewLand(0,3*GRIDSIZE/4,DIFF/2,GRIDSIZE-1);
}
else if (gx >= DIFF)
{
idx = (idx+DIFF/2) % MASK;
gx = START+1;
BlankGrid(GRIDSIZE-DIFF/2,0, GRIDSIZE-1, GRIDSIZE-1);
NewLand(GRIDSIZE-DIFF/2-1,0,GRIDSIZE-1,GRIDSIZE/4);
NewLand(GRIDSIZE-DIFF/2-1,GRIDSIZE/4,GRIDSIZE-1,
2*GRIDSIZE/4);
NewLand(GRIDSIZE-DIFF/2-1,2*GRIDSIZE/4,GRIDSIZE-1,
3*GRIDSIZE/4);
NewLand(GRIDSIZE-DIFF/2-1,3*GRIDSIZE/4,GRIDSIZE-1,
GRIDSIZE-1);
}
}
void check_gy(void)
{
if (gy < 0)
{
idx = (idx-DIFF/2*GRIDSIZE + MASK) % MASK;
gy = START-1;
BlankGrid(0,0, GRIDSIZE-1, DIFF/2-1);
NewLand(0,0,GRIDSIZE/4,DIFF/2);
NewLand(GRIDSIZE/4,0,2*GRIDSIZE/4,DIFF/2);
NewLand(2*GRIDSIZE/4,0,3*GRIDSIZE/4,DIFF/2);
NewLand(3*GRIDSIZE/4,0,GRIDSIZE-1,DIFF/2);
}
else if (gy >= DIFF)
{
idx = (idx+DIFF/2*GRIDSIZE) % MASK;
gy = START+1;
BlankGrid(0,GRIDSIZE-DIFF/2,GRIDSIZE-1, GRIDSIZE-1);
NewLand(0,GRIDSIZE-DIFF/2-1,GRIDSIZE/4,GRIDSIZE-1);
NewLand(GRIDSIZE/4,GRIDSIZE-DIFF/2-1,
2*GRIDSIZE/4,GRIDSIZE-1);
NewLand(2*GRIDSIZE/4,GRIDSIZE-DIFF/2-1,
3*GRIDSIZE/4, GRIDSIZE-1);
NewLand(3*GRIDSIZE/4,GRIDSIZE-DIFF/2-1,
GRIDSIZE-1,GRIDSIZE-1);
}
}
void main(void)
{
int rollspeed = 0;
int xspeed = 0, yspeed = 0;
int i;
rand_seed = (unsigned) time(NULL);
/* rand_seed = 2; */
for (i = 0; i<(360+90); i++)
sn_tbl[i]=(int)(sin((double)i / 180.0*3.14159265) * (double)(1<<SHIFT));
NewLand(0,0,GRIDSIZE-1,GRIDSIZE-1);
SetMode();
SetPalette();
// goto skip;
for (;;)
{
Test();
switch(getch())
{
case 27:
SetTextMode();
exit(0);
case 'e':
gx--;
check_gx();
break;
case 'r':
gx++;
check_gx();
break;
case 'w':
gy--;
check_gy();
break;
case 's':
gy++;
check_gy();
break;
case ' ':
goto skip;
}
gp = CalcAddress(gx,gy);
while (kbhit())
getch();
}
skip:
;
SetMyMode();
SetPalette();
gp = CalcAddress(gx,gy);
// yspeed = -1;
// rollspeed = (rollspeed+358) % 360;
for (;;)
{
if (kbhit())
{
switch(getch())
{
case 27:
SetTextMode();
exit(0);
case 'q':
cz += 50;
break;
case 'a':
cz -= 50;
break;
case 'u':
cy -= 50;
break;
case 'j':
cy += 50;
break;
case 'Q':
cpitch = (cpitch+1) % 360;
break;
case 'A':
cpitch = (cpitch+359) % 360;
break;
case 'E':
if (xspeed > -1) xspeed--;
break;
case 'R':
if (xspeed < 1) xspeed++;
break;
case 'e':
gx--;
break;
case 'r':
gx++;
break;
case 'W':
if (yspeed > -1) yspeed--;
break;
case 'S':
if (yspeed < 1) yspeed++;
break;
case 'w':
gy--;
break;
case 's':
gy++;
break;
case 'i':
roll = (roll+1) % 360;
break;
case 'o':
roll = (roll+359) % 360;
break;
case 'I':
rollspeed = (rollspeed+1) % 360;
break;
case 'O':
rollspeed = (rollspeed+359) % 360;
break;
case ' ':
rollspeed = 0;
xspeed = yspeed = 0;
cz = DEF_DIST;
cy = DEF_HEIGHT;
roll = DEF_ROLL;
cpitch = DEF_PITCH;
break;
}
while (kbhit())
getch();
}
gy += yspeed;
gx += xspeed;
check_gx();
check_gy();
gp = CalcAddress(gx,gy);
roll = (roll+rollspeed) % 360;
roll_sine = sine(roll);
roll_cosine = cosine(roll);
pitch_sine = sine(cpitch);
pitch_cosine = cosine(cpitch);
ClearMyScreen();
Project();
SwapScreens();
}
}
Ðîáîòà ç ïðîãðàìîþ
Äàë³ íàâåäåíî òðè ñêð³íøîòè, ÿê³ îïèñóþòü ïðîöåñ óäàðó ïî ì”ÿ÷èêó.
Âèñíîâêè
Áóëà ðîçðîáëåíà êîìï’þòåðíà ãðà “Ãîëüô 3D” ç åëåìåíòàìè òðüîõâèì³ðíî¿ ãðàô³êè íà îñíîâ³ ôóíêö³é ïðÿìîãî äîñòóïó äî â³äåîïàì’ÿò³ â ñèñòåì³ MS DOS. Ïðè ðîçðîáö³ ïðîãðàìè âèêîðèñòîâóâàâñÿ ïàêåò BORLAND C++ 3.0 òà á³áë³îòåêà BGI.
˳òåðàòóðà.
[1] Êàñàòêèí À.È., Âàëüâà÷åâ À.Í. Ïðîôåññèîíàëüíîå ïðîãðïììèðîâàíèå íà ÿçûêå Ñè. Ìí., 1992. 240 Ñ.
[2] Íåéáàóýð À. Ìîÿ ïåðâàÿ ïðîãðàììà íà Ñ/Ñ++. Ï., 1995. 368 Ñ.
[3] Áðóíî Áàáý. Ïðîñòî è ÿñíî î Borland C++. Ì., 1996. 400 Ñ.
[4] Øàìàñ Í.Ê. Îñíîâû Ñ++ è îáüåêòíî-îðèåíòèðîâàííîãî ïðîãðàììèðîâàíèÿ. Ê., 1996. 448 Ñ.
[5] Ñïðàâî÷íèê ïî êëàññàì Borland C++ 4.0. Ê., 1994. 256 Ñ.
[6] ObjectWindows äëÿ C++. Ê., 1993., 208 Ñ.
[7] Òîì Ñâàí. Ïðîãðàììèðîâàíèå äëÿ Windows â Borland C++. Ì., 480 Ñ.
[8] Í. Áàðêàíàòè. Ïðîãðàììèðîâàíèå èãð äëÿ Windows íà Borland C++. Ì., 1994. 512 Ñ.