public void Update(GameTime gameTime)
{
Game1 g1 = (Game1)game;
if (displaying || g1.Gesture == ManipMode.GRAB || g1.Gesture == ManipMode.SELECTGRAB)
{
nextSparkle -= (float)gameTime.ElapsedGameTime.TotalSeconds;
if (nextSparkle < 0)
{
sparkleSystem.DefaultColor = g1.Gesture != ManipMode.GRAB ? Color.Lime : grabColours[sparkleRandom.Next(0, grabColours.Length)];
var ranX = (float)(sparkleRandom.NextDouble() * 0.5 - 0.25);
sparkleSystem.AddInstance(((Game1)game).CursorPos, new Vector2(ranX, ranX + 1) * 20);
nextSparkle = (float)sparkleRandom.NextDouble() * sparkleIntv;
}
}
sparkleSystem.Update(gameTime);
if ((g1.Gesture == ManipMode.SELECT || g1.Gesture == ManipMode.SELECTGRAB) && lastGesture == ManipMode.NONE)
{
sparkleSystem.DefaultColor = Color.White;
int pCount = sparkleRandom.Next(20, 50);
for (int i = 0; i < pCount; i++)
{
var ranX = (float)(sparkleRandom.NextDouble() * 0.5 - 0.25);
sparkleSystem.AddInstance(((Game1)game).CursorPos, 50);
}
}
lastGesture = g1.Gesture;
}