// render animated text, moves according to m_angle
protected void DrawWavingText(SpriteBatch batch,
GameFont font, char[] letters, Color color)
{
// top left of text, if it were drawn just below
// the vertical center of the screen
int x = 32;
int y = SCREEN_HEIGHT / 2;
// vary the top location of each character
int dy = 0;
for (int i = 0; i < letters.Length; i++)
{
// simple sin function to produce a wave from -20.0f to +20.0f
dy = (int)Math.Round(
Math.Sin(MathHelper.ToRadians(m_fAngle + (i * 10))) *
20.0f);
// render each letter seperately
x += (int)font.DrawString(batch,
letters[i], x, y + dy, color).X;
}
}
