Enemy.pde

class Enemy{
	int x = 0;
	int y = 0;
	int type;
	int speed = 5;

	PImage enemyImg;
	Enemy(int x, int y, int type) {
		this.x = x;
		this.y = y;
		this.type = type;
		enemyImg = loadImage("img/enemy.png");
		
	}
	void move() {
		this.x+= 5;	
	}

	void draw()
	{
		image(enemyImg, x, y);
	}

	boolean isCollideWithFighter()
	{
		return false;
	}

	boolean isOutOfBorder()
	{
		return false;
	}


}

void addEnemy(int type)
{	
	for (int i = 0; i < enemyCount; ++i) {
		enemys[i] = null;
	}
	switch (type) {
		case EnemysShowingType.STRAIGHT:
			addStraightEnemy();
			break;
		case EnemysShowingType.SLOPE:
			addSlopeEnemy();
			break;
		case EnemysShowingType.DIAMOND:
			addDiamondEnemy();
			break;
		case EnemysShowingType.STRONGLINE:
			addEnemyStrong();
			break;
	}
	time = millis();
}

void addStraightEnemy()
{
	float t = random(height - 60);
	int h = int(t);
	for (int i = 0; i < 5; ++i) {
		enemys[i] = new Enemy( (i+1)*-80, h , FlightType.ENEMY);
	}
}
void addSlopeEnemy()
{
	float t = random(height - 60 * 5);
	int h = int(t);
	for (int i = 0; i < 5; ++i) {
		enemys[i] = new Enemy((i+1)*-80, h + i * 50 , FlightType.ENEMY);
	}
}
void addDiamondEnemy()
{
	float t = random( 60 * 3 ,height - 60 * 3);
	int h = int(t);
	int x_axis = 1;
	for (int i = 0; i < 8; ++i) {
		if (i == 0 || i == 7) {
			enemys[i] = new Enemy((x_axis+1)*-80, h, FlightType.ENEMY);
			x_axis++;
		}
		else if (i == 1 || i == 5){
			enemys[i] = new Enemy((x_axis+1)*-80, h + 1 * 40, FlightType.ENEMY);
			enemys[i+1] = new Enemy((x_axis+1)*-80, h - 1 * 40, FlightType.ENEMY);
			i++;
			x_axis++;
			
		}
		else {
			enemys[i] = new Enemy((x_axis+1)*-80, h + 2 * 40, FlightType.ENEMY);
			enemys[i+1] = new Enemy((x_axis+1)*-80, h - 2 * 40, FlightType.ENEMY);
			i++;
			x_axis++;
		}
	}
}
void addEnemyStrong()
{
	for (int i = 0; i < 5; ++i) {
		enemys[i] = new Enemy(0, 40+ i * 85, FlightType.ENEMYSTRONG);
	}
}