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Codeplaza/gist:8079660

Created December 22, 2013 08:10
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  1. Codeplaza created this gist Dec 22, 2013.
    109 changes: 109 additions & 0 deletions gistfile1.c
    View file
    Original file line number Diff line number Diff line change
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    #include<stdio.h>
    #include<dos.h>
    #include<graphics.h>
    #include<stdlib.h>
    #include<math.h>
    #include<conio.h>
    #define PI 3.14159
    #define NUME 30
    #define DENOM 100
    #define NUMBER 7
    #define RAD 2.0
    #define DTHETA 0.1
    #define REDUX 3
    #define SEGS 60
    #define MIN 1
    void init_graph();
    void tdisplay(int, float, int, int, int);
    void cdisplay(int, int, int);
    void bucket();
    int gd, gm, maxcolor, errorcode;
    int xo, yo, maxx, maxy, xasp, yasp;
    double aspectratio;
    void init_graph()
    {
    detectgraph(&gd, &gm);
    initgraph(&gd, &gm, "");
    errorcode = graphresult();
    if (errorcode != grOk) {
    printf("graphics system eror : %s", grapherrormsg(errorcode));
    exit(1);
    }
    maxcolor = getmaxcolor() + 1;
    getaspectratio(&xasp, &yasp);
    aspectratio = (double) (yasp) / (double) (xasp);
    maxx = getmaxx();
    maxy = getmaxy();
    }

    void cdisplay(int size, int x, int y)
    {
    int i, rc;
    float theta;
    for (i = 0; i < NUMBER; i++) {
    theta = i * 2 * PI / NUMBER;
    rc = random(16);
    tdisplay(size, theta, x, y, rc);
    }
    }

    void tdisplay(int size, float theta, int x, int y, int rcolor)
    {
    int i, chg, newsize;
    for (i = 0; i < size; i++) {
    chg = (random(DENOM) < NUME) ? -1 : 1;
    theta += chg * DTHETA;
    x += RAD * sin(theta);
    y += RAD * cos(theta);
    if (size < 4)
    setcolor(rcolor);
    else if (size < 13)
    setcolor(GREEN);
    else if (size < 40)
    setcolor(LIGHTGREEN);
    else
    setcolor(YELLOW);
    lineto(x, y);
    }
    if (size > MIN) {
    newsize = size / REDUX;
    cdisplay(newsize, x, y);
    }
    }

    void bucket()
    {
    setcolor(WHITE);
    ellipse(xo, yo, 0, 360, 30, 9);
    setfillstyle(SOLID_FILL, RED);
    fillellipse(xo, yo, 30, 9);
    setfillstyle(LTBKSLASH_FILL, BROWN);
    ellipse(xo + 30, yo + 28, 90, 252, 12, 25);
    delay(1150);
    ellipse(xo - 30, yo + 28, -70, 94, 12, 25);
    delay(1150);
    ellipse(xo + 25, yo + 83, -69, 90, 12, 30);
    delay(1150);
    ellipse(xo - 25, yo + 83, 88, 252, 12, 30);
    delay(1150);
    ellipse(xo, yo + 116, 151, 388, 32, 9);
    delay(1150);
    floodfill(xo, yo + 50, WHITE);
    }

    void main()
    {
    int size;
    init_graph();
    xo = maxx >> 1;
    yo = (maxy >> 1) - 80;
    xo++;
    yo++;
    bucket();
    randomize();
    size = SEGS;
    delay(1150);
    cdisplay(size, xo, yo);
    getch();
    closegraph();
    }