Sprite not showing up

#TouhouDanmakufu[Single]
#ScriptVersion[3]
#Title["Tutorial 01"]
#Text["Simple enemy bullet tutorial"]

let bossObj;
let bossX=0;
let bossY=0;
let imgBoss = GetCurrentScriptDirectory ~ "Ichirin.png";

#include "script/default_system/Default_ShotConst.txt"


@Initialize {
    //define a boss in bossObj and register it
    bossObj = ObjEnemy_Create(OBJ_ENEMY_BOSS);
    ObjEnemy_Regist(bossObj);

    //Warp the boss to this ocation when loaded
    ObjMove_SetPosition(bossObj,192,-100);

    //Warp boss to desired x y location at desired speed
    ObjMove_SetDestAtSpeed(bossObj,192,120,5);



    //move boss
    ObjMove_SetDestAtSpeed(bossObj,192,120,5);

    mainTask;

}

@Event {
    //setting the boss timer and life
    alternative(GetEventType())
    case(EV_REQUEST_LIFE) {
        SetScriptResult(1000);
    }
    case(EV_REQUEST_TIMER){
        SetScriptResult(45);
    }



}

@MainLoop{
    bossX=ObjMove_GetX(bossObj);
    bossY=ObjMove_GetY(bossObj);

    //collision for the shots and player
    ObjEnemy_SetIntersectionCircleToShot(bossObj,bossX,bossY,24);
    ObjEnemy_SetIntersectionCircleToPlayer(bossObj,bossX,bossY,32);
    yield;

}

@Finalize{

}
// your best friend forever.
function wait(w){loop(w){yield;}}

task mainTask{
    renderBoss;
    movement;

}

task renderBoss{
    let dir;
    let speed;

    //texture the boss, set centre as true centre
    ObjPrim_SetTexture(bossObj,imgBoss);
    ObjSprite2D_SetSourceRect(bossObj,0,0,32,32);
    ObjSprite2D_SetDestCenter(bossObj);
    ObjRender_SetScaleXYZ(bossObj,5,5,0);


    while(!Obj_IsDeleted(bossObj)){

    //update boss speed and direction locally
    dir = ObjMove_GetAngle(bossObj);
    speed = ObjMove_GetSpeed(bossObj);

    // if the boss is idle, show this image/rect
    if(speed==0){ ObjSprite2D_SetSourceRect(bossObj,0,0,32,32); ObjRender_SetScaleXYZ(bossObj,0,0,0);}         //boss holding location
    else if(cos(dir)<0){ObjSprite2D_SetSourceRect(bossObj,0,0,32,32); ObjRender_SetScaleXYZ(bossObj,0,0,0);}   //hence moving to the left
    else if(cos(dir)>0){ObjSprite2D_SetSourceRect(bossObj,0,0,32,32); ObjRender_SetScaleXYZ(bossObj,0,180,0);} //boss moving to the right
    yield;
    }

}

task movement{
    wait(60);
    fire;
    wait(30);
    loop{
        ObjMove_SetDestAtSpeed(bossObj,100,130,5);
        wait(45);
        fire;
        wait(30);
        ObjMove_SetDestAtSpeed(bossObj,280,120,5);
        wait(45);
        fire;
        wait(30);


    }
}

function angleToPlayer{
    let dir=atan2(GetPlayerY-bossY,GetPlayerX-bossX);
    return dir;
}

task fire{
    let dir = angleToPlayer;
    loop(10) {
        CreateShotA1(bossX,bossY,3,angleToPlayer-20,14,0);
        CreateShotA1(bossX,bossY,3,angleToPlayer,14,0);
        CreateShotA1(bossX,bossY,3,angleToPlayer+20,14,0);
        wait(3);

    }
}