Space Invaders!

@name Space Invaders
@inputs S:wirelink User:entity
@outputs Xpos ShootX ShootY Shoot
@persist Items Shootwait Xpos ShootX ShootY Shoot Timer
@trigger all
setName("Space Invaders [Alpha]")
interval(50)
S:egpDrawTopLeft(1)
findIncludeClass("player")
findInSphere(entity():pos(),50)

if(first()){
    ShootY = 512
    timer("Targs",1000)
    Timer = 15
}
if(clk("Targs")){
Timer = Timer-1
    if(Timer == 0){
        for(I=1,8){
          S:egpBox(I+7,vec2(50*I,50),vec2(20,20))
         }
        Timer = 15
    }
timer("Targs",1000)
}
S:egpText(50,"Time Left: "+Timer+"s",vec2(400,10))

NearEnt = find()
CSR=S:egpCursor(NearEnt)
Xpos = CSR:x()

S:egpBox(1,vec2(Xpos-28,440),vec2(55,20))
S:egpBox(2,vec2(Xpos-13,430),vec2(25,25))

if(Xpos <= 0){
    S:egpRemove(1)
    S:egpRemove(2)
}

if(NearEnt:keyUse() & Shoot == 0){
    ShootX = Xpos
    ShootY = 450
    Shoot = 1
    Shootwait = curtime()+0.2
    }
if(Shoot == 1){
ShootY = ShootY-18
S:egpColor(3,vec(200,100,0))
S:egpBox(3,vec2(ShootX-5,ShootY),vec2(10,30))
}
if(ShootY < 10){S:egpRemove(3) Shoot = 0}



######### Heart ##############
S:egpDrawTopLeft(0)
S:egpRoundedBox(5,vec2(40,470),vec2(25,40))
S:egpColor(5,vec(200,0,0))
S:egpAngle(5,45)
S:egpRoundedBox(6,vec2(60,470),vec2(25,40))
S:egpColor(6,vec(200,0,0))
S:egpAngle(6,-45)
S:egpBox(7,vec2(50,486),vec2(16,16))
S:egpColor(7,vec(200,0,0))
S:egpAngle(7,45)
S:egpDrawTopLeft(1)

for(Index=8,16){
    Vec = vec2(ShootX,ShootY)
    if(inrange(Vec,S:egpPos(Index),S:egpPos(Index)+S:egpSize(Index)))
    {S:egpRemove(Index)}
}