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Thursday 5 September 2013

Animate moving car using C graphics

C program to implement moving car animation


  #include <stdio.h>
  #include <conio.h>
  #include <graphics.h>
  #include <dos.h>

  int main() {
        /* request auto detection */
        int gdriver = DETECT, gmode, err;
        int i, maxx, midy;

        /* initialize graphic mode */
        initgraph(&gdriver, &gmode, "C:/TURBOC3/BGI");
        err = graphresult();

        if (err != grOk) {
                /* error occurred */
                printf("Graphics Error: %s\n",
                                grapherrormsg(err));
                return 0;
        }

        /* max position in x-axis */
        maxx = getmaxx();
        /* mid position in y-axis */
        midy = getmaxy() / 2;

        for (i = 0; i < maxx - 125; i = i + 3) {
                /* clears the graphic screen */
                cleardevice();

                /* draw a white road */
                setcolor(WHITE);
                line(0, midy + 37, maxx, midy + 37);

                /* body of the car */
                setcolor(YELLOW);
                setfillstyle(SOLID_FILL, YELLOW);

                line(0 + i, midy + 23, 0 + i, midy);
                line(0 + i, midy, 20 + i, midy);
                line(20 + i, midy, 40 + i, midy - 20);
                line(40 + i, midy - 20, 80 + i, midy - 20);
                line(80 + i, midy - 20, 100 + i, midy);
                line(100 + i, midy, 120 + i, midy);
                line(120 + i, midy, 120 + i, midy + 23);
                line(0 + i, midy + 23, 18 + i, midy + 23);
                arc(30 + i, midy + 23, 0, 180, 12);
                line(42 + i, midy + 23, 78 + i, midy + 23);
                arc(90 + i, midy + 23, 0, 180, 12);
                line(102 + i, midy + 23, 120 + i, midy + 23);

                line(28 + i, midy, 43 + i, midy - 15);
                line(43 + i, midy - 15, 57 + i, midy - 15);
                line(57 + i, midy - 15, 57 + i, midy);
                line(57 + i, midy, 28 + i, midy);

                line(62 + i, midy - 15, 77 + i, midy - 15);
                line(77 + i, midy - 15, 92 + i, midy);
                line(92 + i, midy, 62 + i, midy);
                line(62 + i, midy, 62 + i, midy - 15);
                floodfill(5 + i, midy + 22, YELLOW);
                setcolor(DARKGRAY);

                /* draw wheels of the car */
                if (i % 2 == 0) {
                        setfillstyle(SLASH_FILL, DARKGRAY);
                } else {
                        setfillstyle(BKSLASH_FILL, DARKGRAY);
                }

                circle(30 + i, midy + 25, 9);
                circle(90 + i, midy + 25, 9);
                floodfill(30 + i, midy + 25, DARKGRAY);
                floodfill(90 + i, midy + 25, DARKGRAY);
                delay(250);
        }


        getch();

        /* deallocate memory allocated for graphic screen */
        closegraph();
        return 0;
  }




Output: (Moving car animation using C graphics)


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