[source language="c"]
//--Thats my collision detection function
//--..i know its simple & very basic , but at least its "self made" ;P
//EnemyX & Y is an array that stores the X & Y pos
//of the enemies..

int SpriteHIT() 

                 {
                 
for (int zz=0;zz<MAX_ENEMY+1;zz++)
                    {
if 
( 
((PlayerX >= EnemyX[zz]) && (PlayerX <= EnemyX[zz] + (Enemy[zz]->w -1) )) 
&&
((PlayerY >= EnemyY[zz]) && (PlayerY <= EnemyY[zz] + (Enemy[zz]->h -1) ))  
)
                    {
                     sprite_hit = true;
                     EXPLOSION_ANIME(EnemyX[zz],EnemyY[zz]);
                    break;
                    }
                     }

if ((sprite_hit)&& (life >0)) 
                             {
           sprite_hit=false;
            life -=1;
           if(sprite_hit){
            sprite_hit=false;
                         }
            }

}

[source language="c"]

//---Explosion "animation"----
//ExplosionA,ExplosionB,ExplosionC,ExplosionD,ExplosionE 
//                 =  normal SURFACE(/S)

int EXPLOSION_ANIME(int x,int y)
  {
//counters..
  int cA,cB,cC,cD,cE =51;

// x,y = the position of the enemy..

if ( (cA > 0)&&(cB > 50)&&(cC > 50)&&(cD > 50)&&(cE > 50) ) { cA -=1;  UPDATE_POSITION(x,y,ExplosionA,screen); }
if ( (cA <= 0)&&(cB > 0)&&(cC > 50)&&(cD > 50)&&(cE > 50) ) { cB -=1;  UPDATE_POSITION(x,y,ExplosionB,screen); } 
if ( (cA <= 0)&&(cB <= 0)&&(cC > 0)&&(cD > 50)&&(cE > 50) ) { cC -=1;  UPDATE_POSITION(x,y,ExplosionC,screen); } 
if ( (cA <= 0)&&(cB <= 0)&&(cC <= 0)&&(cD > 0)&&(cE > 50) ) { cD -=1;  UPDATE_POSITION(x,y,ExplosionD,screen); } 
if ( (cA <= 0)&&(cB <= 0)&&(cC <= 0)&&(cD <= 0)&&(cE > 0) ) { cE -=1;  UPDATE_POSITION(x,y,ExplosionE,screen); }
}