DESIGN A FLOWER POT (C GRAPHICS PROGRAM) /* Program to design flower pot*/ # include #include #include #include #include #include # definePI 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(); }
Posted on: Tue, 30 Jul 2013 15:10:55 +0000
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