public override void Update(GameTime gametime)
{
switch (projectileState)
{
case PROJECTILE_STATE.STILL:
this.Visible = false;
explosion.Visible = false;
break;
// Using Lerp here could use target - pos and normalise for direction and then apply
// Velocity
case PROJECTILE_STATE.FIRING:
this.Visible = true;
PixelPosition = Vector2.Lerp(PixelPosition, Target, 0.02f * RocketVelocity);
// rotate towards the Target
this.angleOfRotation = TurnToFace(PixelPosition,
Target, angleOfRotation, 1f);
if (Vector2.Distance(PixelPosition, Target) < 2)
{
projectileState = PROJECTILE_STATE.EXPOLODING;
}
break;
case PROJECTILE_STATE.EXPOLODING:
explosion.DrawOrder = 2;
explosion.PixelPosition = Target;
explosion.Visible = true;
break;
}
// if the explosion is visible then just play the animation and count the timer
if (explosion.Visible)
{
explosion.Update(gametime);
ExplosionTimer += gametime.ElapsedGameTime.Milliseconds;
}
// if the timer goes off the explosion is finished
if (ExplosionTimer > ExplosionVisibleLimit)
{
explosion.Visible = false;
ExplosionTimer = 0;
projectileState = PROJECTILE_STATE.STILL;
}
base.Update(gametime);
}
public override void Update(GameTime gametime)
{
switch (projectileState)
{
case PROJECTILE_STATE.STILL:
this.Visible = false;
explosion.Visible = false;
explosionTime = TimeSpan.FromSeconds(2);
break;
// Using Lerp here could use target - pos and normalise for direction and then apply
// Velocity
case PROJECTILE_STATE.FIRING:
this.Visible = true;
//PixelPosition = Vector2.Lerp(PixelPosition, Target, 0.02f * RocketVelocity);
PixelPosition += Target;
// rotate towards the Target
this.angleOfRotation = TurnToFace(PixelPosition,
Target, angleOfRotation, 1f);
if (Vector2.Distance(PixelPosition, Target) <= 2f)
{
//explosion.PixelPosition += new Vector2(PixelPosition.X, PixelPosition.Y);
explosion.Visible = true;
projectileState = PROJECTILE_STATE.EXPLODING;
}
break;
case PROJECTILE_STATE.EXPLODING:
explosion.Visible = true;
explosion.PixelPosition = PixelPosition;
//explosion.PixelPosition = explosionLocation;
break;
}
if (projectileState == PROJECTILE_STATE.EXPLODING)
{
explosion.Update(gametime);
explosionTime -= gametime.ElapsedGameTime;
if (explosionTime <= TimeSpan.Zero)
{
explosion.Visible = false;
projectileState = PROJECTILE_STATE.STILL;
}
}
//// if the explosion is visible then just play the animation and count the timer
//if (explosion != null)
//{
// if (explosion.Visible)
// {
// explosion.Update(gametime);
// ExplosionTimer += gametime.ElapsedGameTime.Milliseconds;
// }
//}
//// if the timer goes off the explosion is finished.
//if (ExplosionTimer > ExplosionVisibleLimit)
//{
// //explosion.Visible = false;
// ExplosionTimer = 0;
// projectileState = PROJECTILE_STATE.STILL;
//}
base.Update(gametime);
}
