Snake Game Source Code in C #include<dos.h> #include<conio.h> #include<graphics.h> #include<stdio.h> #include<stdlib.h> #define UP 72 #define LEFT 75 #define RIGHT 77 #define DOWN 80 #define ESC 1 #ifdef __cplusplus #define __CPPARGS ... #else #define __CPPARGS #endif struct SnakeParts{ int x; int y; }box[50],target; void snake(int ,int ); void initialize(int,int); void interrupt (*prev)(__CPPARGS); void interrupt our(__CPPARGS); void snakeb(); int check(); void Rectangle(int ,int,int,int); int stop=0,blocks=4,direction=2,size=10,hit=1,snake_color=14,bk=7,target_color =4; int stage=1,speed=100,point=0; void main(){ int gd=DETECT,gm,x=100,y=100,i=0,j=0; char msg[50]; initgraph(&gd,&gm,""); /*animation*/ prev=getvect(9); /* setcolor(bk); rectangle(0,0,639,479); setfillstyle(SOLID_FILL,bk); floodfill(250,250,bk);*/ initialize(x,y); //getch(); while (1){ /*setcolor(bk); sprintf(msg,"POINT = %3d",point); settextstyle(0,HORIZ_DIR,1); outtextxy(550,100,msg); */ switch(direction){ case 0: j-=size;break; case 1: j+=size;break; case 2: i+=size;break; case 3: i-=size;break; } setcolor(snake_color); snake(x+i,y+j);//,x+15+i,y+15+j); delay(speed); setcolor(bk); snakeb(/*x+i,y+j*/);//,x+15+i,y+15+j); setvect(9,our); if(stop==1){break;} if(check()){break;} if(hit==1){ hit=0; target.x=size+size*random(25); target.y=size+size*random(20); setcolor(target_color); setfillstyle(SOLID_FILL,target_color); circle(target.x+size/2,target.y+size/2,size/2-1); floodfill(target.x+size/2,target.y+size/2,target_color); } setfillstyle(SOLID_FILL,target_color); setcolor(2); circle(target.x+size/2,target.y+size/2,size/2-1); floodfill(target.x+size/2,target.y+size/2,2); /*setcolor(11); sprintf(msg,"POINT = %3d",point); settextstyle(0,HORIZ_DIR,1); outtextxy(550,100,msg);*/ gotoxy(65,4); printf("POINT = %3d",point); //delay(3000); //cleardevice(); } closegraph(); } void interrupt our(__CPPARGS){ //if(inportb(0x60)==UP){ //i=0;j switch(inportb(0x60)){ case UP: if(direction==1)break;direction=0;break; case DOWN: if(direction==0)break;direction=1;break; case RIGHT: if(direction==3)break;direction=2;break; case LEFT: if(direction==2)break;direction=3;break; case 15:blocks++;break; case ESC: stop=1;break; } (*prev)(); } void snake(int x1,int y1){//,int x2,int y2){ int k=0; //if(getcolor()==15){ for(k=blocks-1;k>0;k--){ box[k].x=box[k-1].x; box[k].y=box[k-1].y; } box[0].x=x1; box[0].y=y1; //} //setfillstyle(SOLID_FILL,snake_color); for(k=0;k<blocks;k++){ Rectangle(box[k].x,box[k].y,box[k].x+size,box[k].y+size); //floodfill(box[k].x+size/2,box[k].y+size/2,snake_color); } } void snakeb(){ //setfillstyle(SOLID_FILL,bk); for(int k=0;k<blocks;k++){ Rectangle(box[k].x,box[k].y,box[k].x+size,box[k].y+size); //floodfill(box[k].x+size/2,box[k].y+size/2,bk); } } void initialize(int x,int y){ setcolor(bk); rectangle(0,0,639,479); setfillstyle(SOLID_FILL,bk); floodfill(250,250,bk); box[0].x=x; box[0].y=y; for(int i=1;i<blocks;i++){ box[i].x=x-size*i; box[i].y=y; } /*for(int k=0;k<blocks;k++) rectangle(box[k].x,box[k].y,box[k].x+15,box[k].y+15);*/ } int check(){ int i; char msg[50]; if(!(box[0].x>=0 && box[0].x<=639 && box[0].y>=0 && box[0].y<=479)){ for( i=100;i<700;i+=100){ sound(i); delay(100); nosound(); } sprintf(msg,"GAME OVER"); setcolor(4); settextstyle(1,HORIZ_DIR,6); outtextxy(150,200,msg); delay(3000); cleardevice(); return 1; } for( i=1;i<blocks;i++){ if(box[0].x==box[i].x && box[0].y==box[i].y){ sprintf(msg,"GAME OVER"); setcolor(4); settextstyle(1,HORIZ_DIR,6); outtextxy(150,200,msg); delay(3000); cleardevice(); return 1; } } if(box[0].x==target.x && box[0].y==target.y){ //for( i=50;i<400;i+=50){ sound(700); delay(100); nosound(); //} blocks++; point++; hit=1; setcolor(bk); //circle(target.x+size/2,target.y+size/2,size/2-1); setfillstyle(SOLID_FILL,bk); setcolor(bk); circle(target.x+size/2,target.y+size/2,size/2-1); floodfill(target.x+size/2,target.y+size/2,bk); } if(blocks==40){ stage++; blocks=4; sprintf(msg,"STAGE %d CLEARED",stage-1); setcolor(4); settextstyle(1,HORIZ_DIR,6); outtextxy(150,200,msg); delay(2000); cleardevice(); initialize(100,100); speed=100/stage; } return 0; } void Rectangle(int x1,int y1,int x2,int y2){ for(int i=0;i<size/2;i++) rectangle(x1+i,y1+i,x2-i,y2-i); }
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