Woo, Danmaku Code.

#TouhouDanmakufu[Single]
#ScriptVersion[3]
#Title["My First Danmakufu Script!"]
#Text["By Karina"]
#BGM[""]

#include"script/default_system/Default_ShotConst.txt"

let objBoss;
let objScene=GetEnemyBossSceneObjectID();
let count = 0;

@Event{
	alternative(GetEventType())
	case(EV_REQUEST_LIFE){
		SetScriptResult(2500);
        }
	case(EV_REQUEST_TIMER){
		SetScriptResult(60);
	}
	case(EV_REQUEST_SPELL_SCORE){
		SetScriptResult(30000000);
	}
}

@Initialize{

task TDrawLoop {
  let imgExRumia = GetCurrentScriptDirectory ~ "ExRumia.png";
	ObjPrim_SetTexture(objBoss, imgExRumia);
	ObjSprite2D_SetSourceRect(objBoss, 64, 1, 127, 64);
}
	objBoss = ObjEnemy_Create(OBJ_ENEMY_BOSS);
	ObjEnemy_Regist(objBoss);
	let imgExRumia = GetCurrentScriptDirectory ~ "ExRumia.png";
	ObjPrim_SetTexture(objBoss, imgExRumia);
	ObjSprite2D_SetSourceRect(objBoss, 64, 1, 127, 64);
	ObjSprite2D_SetDestCenter(objBoss);
        ObjMove_SetDestAtFrame(objBoss, GetCenterX, 60, 60);

  ObjEnemyBossScene_StartSpell(objScene);
  if(count==0){movement;}
        TFinalize;
}

@MainLoop{
        ObjEnemy_SetIntersectionCircleToShot(objBoss, ObjMove_GetX(objBoss), ObjMove_GetY(objBoss), 32);
        ObjEnemy_SetIntersectionCircleToPlayer(objBoss, ObjMove_GetX(objBoss), ObjMove_GetY(objBoss), 24);

        if(count%15==0){
            fireB;
        }
        if(count%20==0){
            fire;
        }
        count++;
        yield;
}

task fire{
    if(ObjEnemy_GetInfo(objBoss, INFO_LIFE) <= 0){return;}
    let angleT = GetAngleToPlayer(objBoss);
    ascent(i in 0..8){
                CreateShotA1(ObjMove_GetX(objBoss)-35, ObjMove_GetY(objBoss), 1.1+i, angleT+5*i, DS_BALL_S_RED+i, 5);
                CreateShotA1(ObjMove_GetX(objBoss)+35, ObjMove_GetY(objBoss), 1.1+i, angleT-5*i, DS_BALL_S_RED+i, 5);
                CreateShotA1(ObjMove_GetX(objBoss)-35, ObjMove_GetY(objBoss), 2.1+1, angleT+5, DS_BALL_S_RED+i, 5);
                CreateShotA1(ObjMove_GetX(objBoss)+35, ObjMove_GetY(objBoss), 2.1, angleT-5, DS_BALL_S_RED+i, 5);
	    }
	    angleT+=360/180;
}

task fireB{
    let n=1;
    let angleT = GetAngleToPlayer(objBoss);

    loop(13){
    ascent(i in 0..8){
                CreateShotA1(ObjMove_GetX(objBoss), ObjMove_GetY(objBoss), 2.5, angleT+count, DS_RICE_S_WHITE, 5);
                n++;
	    }
	  angleT+=360/13;
    }
    }
task fireC{
}

task movement{
    while(ObjEnemy_GetInfo(objBoss,INFO_LIFE)>0){
        ObjMove_SetDestAtFrame(objBoss, rand(GetCenterX+120,GetCenterX-120), rand(GetCenterY-120,GetCenterY-120), 60);
        wait(300);
      }
  }
task TFinalize {
        while(ObjEnemy_GetInfo(objBoss,INFO_LIFE)>0){yield;}
  	if(ObjEnemyBossScene_GetInfo(objScene, INFO_PLAYER_SHOOTDOWN_COUNT)
              +ObjEnemyBossScene_GetInfo(objScene, INFO_PLAYER_SPELL_COUNT) == 0){
	  AddScore(ObjEnemyBossScene_GetInfo(objScene,INFO_SPELL_SCORE));
	}
	Obj_Delete(objBoss);
	DeleteShotAll(TYPE_ALL,TYPE_IMMEDIATE);
	SetAutoDeleteObject(true);
	CloseScript(GetOwnScriptID());
	return;
}

function GetCenterX{
     return GetStgFrameWidth/2;
}
function GetCenterY{
     return GetStgFrameHeight/2;
}

function wait(n){
     loop(n){yield;}
}