Galaxium III earth ship

#define functions
 
int main(){
 
//Have we set the path of the ship.
if(isLocalSet("mode")==false){
	setLocal("mode",0);
}
 
int mode=getLocal("mode");
 
if(isLocalSet("minmove")==false){
	setLocal("minmove",0);
}
int minmove=getLocal("minmove");
 
int lastshoot=getLocal("lastshoot");
setLocal("lastshoot",lastshoot+1);
int playerx=getGlobal("playerx");
int playery=getGlobal("playery");
 
int life=getLocal("life");
int explode=getLocal("explode");
setLocal("life",life+1);
 
int health=getLocal("health");
int anglecount=getLocal("anglecount");
int storeangle=getLocal("storeangle");
int animate=getLocal("animate");
setLocal("animate",animate+1);
int frame_change=0;
int x=getX();
int y=getY();
 
float angle=90.0;
angle=angle-(15*storeangle);
float rotangle=90.0;
rotangle=rotangle-(15*anglecount+33.7);
 
if(explode==0){
 
if(lastshoot>20&&mode==1){
 
		int rotatex=intValue(cos(rotangle)*14.42);
		int rotatey=intValue(sin((-1)*rotangle)*14.42);
 
		int shootx=intValue(cos(rotangle+33.7)*4.0);
		int shooty=intValue(((-1)*sin(rotangle+33.7)*4.0));
		int movex=intValue((cos(angle)*3.0));
		int movey=intValue(((-1)*sin(angle)*3.0));
		shootx=shootx+movex;
		shooty=shooty+movey;	
		int s=createSprite(11,11,x+rotatex+16-3,y+rotatey+16-4,2);
		setFrame(s,1);
		setLocal(s,"soundplayed",false);
		/*setWidth(s,8);
		setHeight(s,8);*/
		setLocal(s,"movex",shootx);
		setLocal(s,"movey",shooty);
		setLocal(s,"life",0);
		setLocal(s,"explode",0);
		setLocal(s,"damage",false);
		setLocal(s,"type","bullet");
		setLocal("lastshoot",0);
 
}
 
	//Animate the ship based on its target angle.
	if(animate>3){
 
		int add=0;
		int addcheck=storeangle-anglecount;
		if(storeangle-anglecount<0){
			add=1;
		}else{
			add=(-1);
		}
 
		if(storeangle-anglecount>12||storeangle-anglecount<-12){
			add=add*(-1);
		}
 
		if(storeangle!=anglecount){
			storeangle=storeangle+add;
			if(storeangle<0){
				storeangle=23;
			}else if(storeangle>23){
				storeangle=storeangle-23;
			}
		}
		setLocal("storeangle",storeangle);
		int image=19+((anglecount-1)/8);
		int frame=anglecount%8;
 
        setZRotation(anglecount*15);
		/*setImage(image);
		setFrame(frame);*/
 
		setLocal("animate",0);
	}
 
	//Check whether the ship is on a patrol and move it accordingly.
	if(mode==0){
		int patrol=getLocal("patrol");
		setLocal("patrol",patrol+1);
		if(patrol%8==0){
			setLocal("anglecount",(storeangle+4)%24);
		}
 
		if(abs(playerx-x)<150&&abs(playery-y)<150){
			setLocal("mode",1);
		}
	}else if(minmove<=0){
 
		int hyp=sqrt( ((x-(playerx))*(x-(playerx))) + ((y-(playery))*(y-(playery))) + 0.0);
		int ang=intValue( asin((y-playery)/hyp+0.0) );
		if(x-playerx>0&&y-playery>0){
			ang=360-(90-ang);
		}else if(x-playerx>0){
			ang=270+ang;
		}else if(y-playery>0){
			ang=90-ang;
		}else{
			ang=90-ang;
		}
 
		setLocal("anglecount",ang/15);
		setLocal("minmove",6);
 
		if(abs(playerx-x)>300&&abs(playery-y)>300){
			setLocal("mode",0);
		}
	}
 
	setLocal("minmove",minmove-1);
 
 
 
 
	while(getMessageCount()>0&&explode==0){
			if(getFlag()=="damage"){
				int damage=getMessage();
				health=health-damage;
			}
 
			if(health<=0){
				setLocal("explode",life);
				setImage(14);
				setGlobal("score",getGlobal("score")+100);
 
				if(rand()<=0.25){
					int s=createSprite(18,14,x,y,2);
					setFrame(s,6);
					setLocal(s,"animate",0);
					setLocal(s,"type","health");
					float aangle=rand()*360.0;
					aangle=intValue(aangle%24)*15.0;
					int ax=intValue((cos(aangle)*2.0));
					int ay=intValue(((-1)*sin(aangle)*2.0));
					setLocal(s,"addx",ax);
					setLocal(s,"addy",ay);
				}
 
			}
			setLocal("health",health);
 
			nextMessage();
	}
}
 
	//Move the shop.
 
	int plx=intValue((cos(angle)*2.0));
	int ply=intValue(((-1)*sin(angle)*2.0));
 
	setX(x+plx);
	setY(y+ply);
 
 
	if(explode>0){
		int img = getImage();
	if(img==14)
		explode(life,explode,false);
	else
		explode(life,explode,true);
	}
}
 
int explode(int life,int explodestart,boolean destroy){
	if(destroy==false){
		drawTextWorld("100","courier",10,getX()-32,getY()-32-(life-explodestart),255,255,255,255);
	}
 
 
if(life<explodestart+3){
	setFrame(0);
}else if(life<explodestart+6){
	setFrame(1);
}else if(life<explodestart+9){
	setFrame(2);
}else if(life<explodestart+12){
	setFrame(3);
}else if(life<explodestart+15){
	setFrame(4);
}else if(life<explodestart+18){
	setFrame(5);
}else if(life<explodestart+21){
	if(destroy==true){
		destroySprite();
	}else{
		setImage(15);
		setLocal("explode",life);
	}
}
}