/// <summary>
/// http://en.wikipedia.org/wiki/Projectile_motion
/// </summary>
public void Calculate(Shell shell)
{
if (!shell.IsDead)
{
var shellTime = (_time - shell.LaunchTime);
var physicsParam = new PhysicsParamScreenTuneTransform(
shell.Origin.Turret.Angle
, shell.Origin.Turret.Power
, shellTime
, _gameLoopIntervalMs);
var calcTime = physicsParam.Time;
var radians = Math.PI / 180 * physicsParam.Angle;
shell.Point.X = shell.Origin.Point.X + -Convert.ToInt32(physicsParam.Power * calcTime * Math.Cos(radians));
shell.Point.Y = shell.Origin.Point.Y + Convert.ToInt32((physicsParam.Power * calcTime * Math.Sin(radians)) - (0.5 * Gravity * calcTime * calcTime));
//Log.Trace("Shell={0} => {1}. ShellTime = {2}, Physics={3}", shell, newPoint, shellTime, physicsParam);
shell.IsDead = shell.Point.Y < 0;
}
}
/// <summary>
/// http://en.wikipedia.org/wiki/Projectile_motion
/// </summary>
public void Calculate(Shell shell)
{
if (!shell.IsDead)
{
var shellTime = (_time - shell.LaunchTime);
var physicsParam = new PhysicsParamScreenTuneTransform(
shell.Origin.Turret.Angle
, shell.Origin.Turret.Power
, shellTime
, _gameLoopIntervalMs);
var calcTime = physicsParam.Time;
var radians = Math.PI/180*physicsParam.Angle;
shell.Point.X = shell.Origin.Point.X + -Convert.ToInt32(physicsParam.Power * calcTime * Math.Cos(radians));
shell.Point.Y = shell.Origin.Point.Y + Convert.ToInt32((physicsParam.Power * calcTime * Math.Sin(radians)) - (0.5 * Gravity * calcTime * calcTime));
//Log.Trace("Shell={0} => {1}. ShellTime = {2}, Physics={3}", shell, newPoint, shellTime, physicsParam);
shell.IsDead = shell.Point.Y < 0;
}
}
