train.c

演示一个火车头沿着轨道运行的动画。轨道可自定义(用鼠标绘制)

/* file: train.c
*/
#include <stdio.h>
#include <conio.h>
#include <bios.h>
#include "run.h"
#include "track.h"

/* 已有轨道的转折点列表 */
static const POINT point0[]=
{
	{202,36},{585,36},{602,53},{602,425},
	{585,442},{215,442},{196,423},{196,43}
};
static const POINT point1[]=
{
	{399,51},{427,52},{463,57},{488,57},{513,66},{536,78},
	{558,92},{573,112},{587,133},{600,156},{602,181},{602,207},
	{602,234},{602,261},{602,288},{601,312},{593,338},{579,358},
	{558,374},{536,387},{513,398},{490,408},{468,418},{444,422},
	{417,422},{389,422},{363,417},{334,413},{310,405},{288,391},
	{271,373},{257,352},{245,329},{236,305},{229,281},{222,257},
	{221,232},{222,207},{230,181},{240,157},{254,134},{270,115},
	{289,100},{308,84},{327,68}
};
static const POINT point2[]=
{
	{299,144},{515,144},{542,144},{567,138},{585,118},{594,95},
	{597,70},{585,48},{564,36},{538,36},{511,53},{500,79},
	{497,114},{498,345},{500,369},{503,393},{518,412},{536,428},
	{561,425},{583,413},{599,393},{599,368},{587,347},{568,331},
	{546,321},{520,320},{289,320},{264,320},{230,329},{211,344},
	{205,369},{211,410},{243,427},{288,424},{310,396},{319,358},
	{320,92},{319,68},{309,46},{286,36},{260,37},{237,49},
	{222,68},{219,93},{226,116},{246,131},{268,142}
};

/* 自定义轨道的转折点列表 */
static POINT pointbuf[1024];

/* 已有的三个轨道 */
static const TRACK Track[]=
{
	{sizeof(point0)/sizeof(POINT),point0},
	{sizeof(point1)/sizeof(POINT),point1},
	{sizeof(point2)/sizeof(POINT),point2}
};

/* 自定义轨道 */
static TRACK CusTrack={0,pointbuf};

int main(void) 
{ 
	int gmode;
	int gdriver=DETECT;
	BOOL bSelect;

	registerbgidriver(EGAVGA_driver); 
	initgraph(&gdriver,&gmode,"");

	nWidth=getmaxx();
	nHeight=getmaxy();
	nMidWid=nWidth>>1;
	nMidHei=nHeight>>1;

	for(;;)
	{
	cleardevice();
	setbkcolor(BLACK);
	setcolor(GREEN);
	settextstyle(DEFAULT_FONT,HORIZ_DIR,2);
	outtextxy(nMidWid-136,80,"The Running Train");
	outtextxy(nMidWid-200,180,"1  : Select a track and run");
	outtextxy(nMidWid-200,230,"2  : Customize your track");
	outtextxy(nMidWid-200,280,"Esc: Quit");
	do	{
		switch((char)(getch()))
			{
			case '1':/* select a track*/
				{
				bSelect=TRUE;
				Run(Select(Track,sizeof(Track)/sizeof(TRACK)));
				}break;

			case '2':/* customize your track */
				{
				bSelect=TRUE;
				Run(Customize(&CusTrack));
				CusTrack.size=0;
				}break;

			case 27:/* quit */
				{
				return;
				}break;

			default:{
				bSelect=FALSE;
				}break;
			}/*end switch*/
		}while(!bSelect);
	}/*end loop*/

	closegraph();
	return 0;
}/*end main*/