关于简谐振动的演示 -- 清钟沁桐-- 编程爱好者博客

#include <graphics.h>#include <math.h>#include <dos.h>#include <malloc.h>#include <string.h>#define TIMEINTR 0x1c#define MARGIN 4#define BUTTONNUM 2#define SCROLLBUTTONNUM 1#define PI 3.1415926535#define SB_WIDTH 20#define SB_LENGTH 60typedef enum bool {false, true}bool;typedef enum state {OFF = 1, ON}State;typedef enum mode {UP = 2, DOWN = 1};typedef struct { int x,oldx; int y,oldy; int but;} MOUSE;typedef struct movement{ double A, W, Angle; double (*Coordinate)(double Time, struct movement *p);}MOVE;typedef struct button{ int x,y; char *contents; void (*Show)(struct button *p, int mode); bool (*Clicked)(struct button *p); void (*Function)();}BUTTON;typedef struct scrollbutton{ int x, y; char *contents; int place; bool (*Clicked)(struct scrollbutton *p); void (*Show)(struct button *p); int (*Function)(struct button *p);}SCROLLBUTTON;/************************declaration***********************/double CDValue(double, MOVE *);void show(BUTTON *p, State mode);bool CheckClicked(BUTTON *p);void interrupt( *oldhandler)(void);bool MouseControl();void Reset();bool SCheckClicked(SCROLLBUTTON *p);int MoveBar();void SB_show(SCROLLBUTTON *p);void FullScreenPROC();void G_InitInterface();/***********************global*****************************/MOVE Movement[2] = { 3,3,2,CDValue, 2,1,4,CDValue, };BUTTON Button[] = { 320,370, "Full Screen",show, CheckClicked,FullScreenPROC, 320,400, "Reset",show,CheckClicked,Reset, };SCROLLBUTTON SButton[] = { 20,300, "speed", 50, SCheckClicked, SB_show, MoveBar, };double TIME = 0.0;bool PROC = 1;int SPEED = 100;int Radius = 0;bool IsFullScreen = false;int count = 0;int SW_X[2] = {80, 80}, SW_Y[2] = {80, 170};void * mouse_buf;MOUSE mouse;unsigned Cursor[][16]={ 0x0000, /* 0000000000000000 */ 0x4000, /* 0100000000000000 */ 0x6000, /* 0110000000000000 */ 0x7000, /* 0111000000000000 */ 0x7800, /* 0111100000000000 */ 0x7C00, /* 0111110000000000 */ 0x7E00, /* 0111111000000000 */ 0x7F00, /* 0111111100000000 */ 0x7F80, /* 0111111110000000 */ 0x7FC0, /* 0111111111000000 */ 0x6C00, /* 0110110000000000 */ 0x4600, /* 0100011000000000 */ 0x0600, /* 0000011000000000 */ 0x0300, /* 0000001100000000 */ 0x0300, /* 0000001100000000 */ 0x0180 /* 0000000110000000 */};/**********************************************************/double CDValue(double Time,MOVE *p){ return (p->A) * cos( (p->W) * Time + p->Angle);}void Set_x_range(int min, int max){ union REGS ireg; ireg.x.ax = 7; ireg.x.cx = min; ireg.x.dx = max; int86(0x33, &ireg, &ireg);}int Which_pressed(MOUSE *mouse){ union REGS ireg, oreg; ireg.x.ax = 3; int86(0x33, &ireg, &oreg); return(oreg.x.bx);}void Get_xy(MOUSE *grmouse){ union REGS ireg, oreg; ireg.x.ax = 3; int86(0x33, &ireg, &oreg); grmouse->x = oreg.x.cx; grmouse->y = oreg.x.dx;}void Set_xy(int x, int y){ union REGS ireg; ireg.x.ax = 4; ireg.x.cx = x; ireg.x.dx = y; int86(0x33, &ireg, &ireg);} void G_DrawMouse(int X, int Y){ int t, i, j, x,y, color = BLACK; unsigned int token; y = Y; for(j = 0; j < 16; j++) { x = X; token = 0x8000; for(t = 0;t < 10; t++) { if( (Cursor[0][j] & token) != 0) { putpixel(x, y, color); } x++; token /= 2; } y++; }}void InitGraphicsBuf(int x,int y,int xx,int yy,void **p){ *p=malloc(imagesize(x,y,xx,yy));}void ResumeGraphics(int x,int y,void *p){ putimage(x,y,p,COPY_PUT);}bool GetBuf(int x,int y,int xx,int yy,void *p) /*给图形指针赋值*/{ if(!p)return 0; getimage(x,y,xx,yy,p); return 1;}bool MouseControl(){ static int FIRST = 0; if(!FIRST) { Get_xy(&mouse); mouse.oldx = mouse.x; mouse.oldy = mouse.y; GetBuf(mouse.oldx,mouse.oldy,mouse.oldx+10,mouse.oldy+16,mouse_buf); G_DrawMouse(mouse.x, mouse.y); FIRST = 1; } mouse.but = Which_pressed(&mouse); if(!mouse.but) { Get_xy(&mouse); if(mouse.x != mouse.oldx | mouse.y != mouse.oldy) { ResumeGraphics(mouse.oldx, mouse.oldy, mouse_buf); mouse.oldx = mouse.x; mouse.oldy = mouse.y; GetBuf(mouse.x, mouse.y, mouse.x + 10, mouse.y + 16, mouse_buf); G_DrawMouse(mouse.x, mouse.y); return 1; } else return 0; } else { Set_xy(mouse.oldx,mouse.oldy); return 1; }}void CreateREC(int x, int y ,int X, int Y, int mode){ int color1,color2; if(mode == 1){ color1 = DARKGRAY;color2 = WHITE;} if(mode == 2){ color1 = WHITE;color2 = DARKGRAY;} setfillstyle(1, LIGHTGRAY); bar(x, y, X, Y); setcolor(color1); line(x,y,X,y); line(x,y,x,Y); setcolor(color2); line(x,Y,X,Y); line(X,y,X,Y);}void G_SubWindow(int x, int y, int mode){ CreateREC(x - 5, y - 5, x + 75, y + 75, 1); setfillstyle(1,BLACK); bar(x, y, x + 70, y + 70); line(x + 35, y, x + 35, y + 70); line(x, y + 35, x + 70, y + 35); if(mode = 1) circle(x + 35, y + 35, 30); if(mode = 2) { line(x + 35, y, x + 35, y + 70); line(x, y + 35, x + 70, y + 35); }}void G_MovementFace(){ CreateREC(295, 145, 505, 355, 1); setfillstyle(1,BLACK); bar(300,150,500,350); setcolor(WHITE); line(400,150,400,350); line(300,250,500,250);}double MaxA(){ return Movement[0].A > Movement[1].A ? Movement[0].A : Movement[1].A;} void G_MovementShow(double Time){ double X = Movement[0].Coordinate(Time, Movement); double Y = Movement[1].Coordinate(Time, Movement+1); X = 400 + X * 90 / MaxA(); Y = 250 - Y * 90 / MaxA(); setcolor(WHITE); circle(X,Y,Radius); setfillstyle(1,WHITE); floodfill(X,Y,WHITE);}void show(BUTTON *p, State mode){ if(mode != ON && mode != OFF) return; CreateREC(p->x, p->y, p->x + strlen(p->contents)*8+ MARGIN, p->y + 8 + MARGIN*3, mode); setcolor(BLUE); outtextxy(p->x + MARGIN, p->y + MARGIN * 2, p->contents);}bool CheckClicked(BUTTON *p){ return mouse.x>p->x && mouse.x<p->x + strlen(p->contents) * 8 + MARGIN && mouse.y>p->y && mouse.y<p->y + 8 + MARGIN*2 && mouse.but;}bool SCheckClicked(SCROLLBUTTON *p){ int x = p->x + strlen(p->contents) * 8 + 3; return mouse.x > x && mouse.x < x + SB_LENGTH + 3 && mouse.y > p->y && mouse.y < p->y +SB_WIDTH && mouse.but;}void Reset(){ G_MovementFace(); G_SubWindow(SW_X[0],SW_Y[0],1); G_SubWindow(SW_X[1],SW_Y[1],1); TIME = 0.0;}int SetValue(int i, int place){ if(place < 0) place = 0; switch(i) { case 0: SPEED = (double)(SB_LENGTH - 10 - place) / (SB_LENGTH - 10)* 1000; }}void FullScreenShow(double n){ double X = Movement[0].Coordinate(n, Movement); double Y = Movement[1].Coordinate(n, Movement+1); X = 320 + X * 200 / MaxA(); Y = 240 - Y * 200 / MaxA(); setcolor(WHITE); circle(X,Y,Radius + 2); setfillstyle(1,WHITE); floodfill(X,Y,WHITE);}void FullScreenPROC(){ double n; int IsFullScreen = 1; cleardevice(); setcolor(WHITE); line(0, 240, 639, 240); line(320, 0, 320, 479); for(n = 0; n <= TIME; n += 0.005) FullScreenShow(n); while(IsFullScreen) { if( bioskey(1) ){ getch();IsFullScreen = 0;} TIME += 0.005; FullScreenShow(TIME); delay(SPEED); } G_InitInterface(); for(n = 0; n <= TIME; n+= 0.01) G_MovementShow(n);}void G_AddButton(){ int i; for(i = 0; i < BUTTONNUM; i++) Button[i].Show(Button + i, ON); for(i = 0; i < SCROLLBUTTONNUM; i++) SButton[i].Show(SButton + i);}void G_Bar(SCROLLBUTTON *p, int place){ int tx = p->x + strlen(p->contents) * 8 + 3; CreateREC(tx + place, p->y + 2, tx + place + 10, p->y + 18,UP);}void SB_show(SCROLLBUTTON *p){ int tx = p->x + strlen(p->contents) * 8 + 2; setfillstyle(1,LIGHTGRAY); /* first clear the screen */ bar(tx, p->y, tx + SB_WIDTH, p->y + SB_LENGTH); outtextxy(p->x, p->y + SB_WIDTH /2 - 4, p->contents); setcolor(BLACK); line(tx, p->y + SB_WIDTH / 2 - 3, tx, p->y + SB_WIDTH / 2 + 3); line(tx + SB_LENGTH , p->y + SB_WIDTH / 2 - 3, tx + SB_LENGTH, p->y + SB_WIDTH / 2 + 3); line(tx, p->y + SB_WIDTH / 2, tx +SB_LENGTH , p->y + SB_WIDTH / 2); G_Bar(p, p->place);} int MoveBar(SCROLLBUTTON *p){ int tx = p->x + strlen(p->contents) * 8, oldx,oldy,token = 0; rectangle(tx +1, p->y, tx + SB_LENGTH + 3, p->y + SB_WIDTH); oldx = tx + 3 + p->place; ResumeGraphics(mouse.oldx, mouse.oldy, mouse_buf); if(mouse.x > tx + 3 + p->place && mouse.x < tx + 3 + p->place + 10 && mouse.y > p->y + 2 && mouse.y < p->y + 18) { while(Which_pressed(&mouse) ) { if(mouse.x != oldx && mouse.x > tx + 2 && mouse.x < tx + 3 + SB_LENGTH - 10 ) { ResumeGraphics(oldx, mouse.y, mouse_buf); setfillstyle(1, LIGHTGRAY); /* clear first */ bar(tx + 3 + p->place, p->y +2, tx + 3 + p->place + 10, p->y + 18); p->place = mouse.x - tx - 3; setcolor(BLACK); line(tx + 2, p->y + SB_WIDTH / 2 - 3, tx + 2, p->y + SB_WIDTH / 2 + 3); line(tx + 2 + SB_LENGTH, p->y + SB_WIDTH / 2 - 3, tx + 2 + SB_LENGTH, p->y + SB_WIDTH / 2 + 3); line(tx + 2, p->y + SB_WIDTH / 2, tx + 2 +SB_LENGTH , p->y + SB_WIDTH / 2); G_Bar(p, p->place); setcolor(WHITE); rectangle(tx +1, p->y, tx + SB_LENGTH + 3, p->y + SB_WIDTH); GetBuf(mouse.x, mouse.y, mouse.x + 10, mouse.y +16, mouse_buf); G_DrawMouse(mouse.x, mouse.y); oldx = mouse.x; token = 1; } oldy = mouse.y; Get_xy(&mouse); mouse.y = oldy; } if(token){ResumeGraphics(oldx, mouse.y, mouse_buf);token = 0;} } else if(SCheckClicked(p) ) { if(mouse.x <= tx + SB_LENGTH - 8){ setfillstyle(1, LIGHTGRAY); bar(tx + 3 + p->place, p->y +2, tx + 3 + p->place + 10, p->y + 18); p->place = mouse.x - tx - 3; if(p->place > tx + SB_LENGTH - 12)p->place = tx + SB_LENGTH - 12; setcolor(BLACK); line(tx + 2, p->y + SB_WIDTH / 2 - 3, tx + 2, p->y + SB_WIDTH / 2 + 3); line(tx + 2 + SB_LENGTH, p->y + SB_WIDTH / 2 - 3, tx + 2 + SB_LENGTH, p->y + SB_WIDTH / 2 + 3); line(tx + 2, p->y + SB_WIDTH / 2, tx + 2 +SB_LENGTH, p->y + SB_WIDTH / 2); G_Bar(p, p->place); setcolor(WHITE); rectangle(tx +1, p->y, tx + SB_LENGTH + 3, p->y + SB_WIDTH); } } setcolor(LIGHTGRAY); rectangle(tx +1, p->y, tx + SB_LENGTH + 3, p->y + SB_WIDTH); GetBuf(mouse.x, mouse.y, mouse.x + 10, mouse.y +16, mouse_buf); mouse.oldx = mouse.x, mouse.oldy = mouse.y; return p->place;}void SubWindowShow(){ int x,y,i,Token = 0; for(i = 0;i < 2; i++) { if(Token) { setcolor(WHITE); line(SW_X[i] + 35, SW_Y[i], SW_X[i] + 35, SW_Y[i] + 70); line(SW_X[i], SW_Y[i] + 35, SW_X[i] + 70, SW_Y[i] + 35); Token = 0; } if(TIME) { TIME -= 0.01; x = 30 * cos( (TIME * Movement[i].W + Movement[i].Angle) ); y = 30 * sin( (TIME * Movement[i].W + Movement[i].Angle) ); setcolor(BLACK); if(x && y) line(SW_X[i] + 35, SW_Y[i] + 35, SW_X[i] + 35 + x, SW_Y[i] + 35 + y); circle(SW_X[i] + 35 + x, SW_Y[i] + 35 + y, 2); TIME += 0.01; } x = 30 * cos( (TIME * Movement[i].W + Movement[i].Angle) ); y = 30 * sin( (TIME * Movement[i].W + Movement[i].Angle) ); setcolor(YELLOW); line(SW_X[i] + 35, SW_Y[i] + 35, SW_X[i] + 35 + x, SW_Y[i] + 35 + y); circle(SW_X[i] + 35 + x, SW_Y[i] + 35 + y, 2); setfillstyle(1,BLACK); floodfill(SW_X[i] + 35 + x, SW_Y[i] + 35 + y, YELLOW); circle(SW_X[i] + 35, SW_Y[i] + 35, 30); if(!(x && y)) { setcolor(WHITE); line(SW_X[i] + 35, SW_Y[i], SW_X[i] + 35, SW_Y[i] + 70); line(SW_X[i], SW_Y[i] + 35, SW_X[i] + 70, SW_Y[i] + 35); Token = 1; } }} bool init(){ int driver = VGA, drivermode = VGAHI; initgraph(&driver, &drivermode, ""); if(graphresult() != 0) { printf("can't initgraph"); return false; } InitGraphicsBuf(0,0,10,16,&mouse_buf); cleardevice(); return true;}void G_InitInterface(){ setfillstyle(1,LIGHTGRAY); bar(0,0,639,479); G_MovementFace(); G_SubWindow(SW_X[0],SW_Y[0],1); G_SubWindow(SW_X[1],SW_Y[1],1); G_AddButton();}main(){ int i; init(); G_InitInterface(); while(PROC) { if(bioskey(1))PROC = false; for(i = 0; i< BUTTONNUM; i++) if(Button[i].Clicked(Button + i)) { Button[i].Show(Button + i, OFF); delay(10000); Button[i].Show(Button + i, ON); Button[i].Function(); break; } for(i = 0; i< SCROLLBUTTONNUM; i++) if(SButton[i].Clicked(SButton + i) ) { SetValue(i, SButton[i].Function(SButton + i) ); break; } MouseControl(); SubWindowShow(); G_MovementShow(TIME); TIME+=0.01; delay(SPEED); } closegraph();}

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关于简谐振动的演示2006-03-19 23:05:00

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