public override void CreateBullet()
{
for (int i = 0; i <= 360; i += 20)
{
_dx = SwinGame.Sine(i);
_dy = SwinGame.Cosine(i);
//_dx = SwinGame.Tangent(i);
//_dy = SwinGame.Sine(i);
//_dx = SwinGame.Tangent(i);
//_dy = SwinGame.Cosine(i);
//_dx = SwinGame.Sine(i);
//_dy = SwinGame.Tangent(i);
//_dy = 1;
//_dx = SwinGame.Cosine(i);
//_dy += 0.5f;
_storingList.Add(new SprayBullet(_gunPower, this.Position, _fireRate, _dx, _dy));
SwinGame.PlaySoundEffect(_gunSound);
}
}
/// <summary>
/// Point the tower to target X,Y.
/// </summary>
/// <param name="x">The x coordinate.</param>
/// <param name="y">The y coordinate.</param>
public void PointTo(float x, float y)
{
_angle = SwinGame.CalculateAngle(_position[0], _position[1], x, y);
_pointAx = _barrelLength * SwinGame.Cosine(_angle - _barrelWidth) + _position[0];
_pointAy = _barrelLength * SwinGame.Sine(_angle - _barrelWidth) + _position[1];
_pointBx = _barrelLength * SwinGame.Cosine(_angle + _barrelWidth) + _position[0];
_pointBy = _barrelLength * SwinGame.Sine(_angle + _barrelWidth) + _position[1];
_pointSx = _barrelLength * SwinGame.Cosine(_angle) + _position[0];
_pointSy = _barrelLength * SwinGame.Sine(_angle) + _position[1];
}
/// <summary>
/// Draw this instance.
/// </summary>
public override void Draw()
{
SwinGame.FillCircle(Color.White, _position[0], _position[1], _size);
for (int angle = _angle; angle < 360 + _angle; angle += 51)
{
float pointAx = 10 * SwinGame.Cosine(angle - 30) + _position[0];
float pointAy = 10 * SwinGame.Sine(angle - 30) + _position[1];
float pointBx = 10 * SwinGame.Cosine(angle + 30) + _position[0];
float pointBy = 10 * SwinGame.Sine(angle + 30) + _position[1];
float pointCx = 15 * SwinGame.Cosine(angle) + _position[0];
float pointCy = 15 * SwinGame.Sine(angle) + _position[1];
SwinGame.FillTriangle(Color.White, pointAx, pointAy, pointBx, pointBy, pointCx, pointCy);
}
}
/// <summary>
/// Calculates the angle to move to and moves by speed distance, move half as fast when slowed
/// </summary>
/// <param name="destx">destination X</param>
/// <param name="desty">destination Y</param>
public void Move(float destx, float desty)
{
float angle = SwinGame.CalculateAngle(_position[0], _position[1], destx, desty);
if (!_slowed)
{
_position[0] += (_speed * SwinGame.Cosine(angle));
_position[1] += (_speed * SwinGame.Sine(angle));
}
else
{
_position[0] += ((int)(_speed / 2) * SwinGame.Cosine(angle));
_position[1] += ((int)(_speed / 2) * SwinGame.Sine(angle));
}
}
/// <summary>
/// Move this instance to the direction its facing in speed amount.
/// </summary>
public void Move()
{
_position[0] += (_speed * SwinGame.Cosine(_direction));
_position[1] += (_speed * SwinGame.Sine(_direction));
}