public Vector2 GetMissilePosition(int time)
{
var t = Math.Max(0, Utils.GameTimeTickCount + time - StartTick - SpellData.Delay);
int x;
if (SpellData.MissileAccel == 0)
{
x = t * SpellData.MissileSpeed / 1000;
}
else
{
var t1 = (SpellData.MissileAccel > 0
? SpellData.MissileMaxSpeed
: SpellData.MissileMinSpeed - SpellData.MissileSpeed) * 1000f / SpellData.MissileAccel;
x = t <= t1
? (int)
(t * SpellData.MissileSpeed / 1000d + 0.5d * SpellData.MissileAccel * Math.Pow(t / 1000d, 2))
: (int)
(t1 * SpellData.MissileSpeed / 1000d + 0.5d * SpellData.MissileAccel * Math.Pow(t1 / 1000d, 2) +
(t - t1) / 1000d *
(SpellData.MissileAccel < 0 ? SpellData.MissileMaxSpeed : SpellData.MissileMinSpeed));
}
t = (int)Math.Max(0, Math.Min(CollisionEnd.LSDistance(Start), x));
return(Start + Direction * t);
}
/// <summary>
/// Returns the missile position after time time.
/// </summary>
public Vector2 GetMissilePosition(int time)
{
var t = Math.Max(0, System.Environment.TickCount + time - StartTick - SkillshotData.Delay);
var x = 0;
//Missile with acceleration = 0.
if (SkillshotData.MissileAccel == 0)
{
x = t * SkillshotData.MissileSpeed / 1000;
}
//Missile with constant acceleration.
else
{
var t1 = (SkillshotData.MissileAccel > 0
? SkillshotData.MissileMaxSpeed
: SkillshotData.MissileMinSpeed - SkillshotData.MissileSpeed) * 1000f / SkillshotData.MissileAccel;
if (t <= t1)
{
x =
(int)
(t * SkillshotData.MissileSpeed / 1000d +
0.5d * SkillshotData.MissileAccel * Math.Pow(t / 1000d, 2));
}
else
{
x =
(int)
(t1 * SkillshotData.MissileSpeed / 1000d +
0.5d * SkillshotData.MissileAccel * Math.Pow(t1 / 1000d, 2) +
(t - t1) / 1000d *
(SkillshotData.MissileAccel < 0
? SkillshotData.MissileMaxSpeed
: SkillshotData.MissileMinSpeed));
}
}
t = (int)Math.Max(0, Math.Min(CollisionEnd.LSDistance(StartPosition), x));
return(StartPosition + Direction * t);
}