/// <summary>
/// 10. Constructor for a projectile motion Quantities. Computes an elevation angle based on the maximal height.
/// </summary>
/// <param name="v">An initial velocity.</param>
/// <param name="dur">The maximal height.</param>
/// <param name="h">An initial height.</param>
/// <param name="g">A gravitation acceleration of the planet.</param>
/// <param name="units">The units of Quantities. By default metre per second, radian, metre and metre per square second.</param>
public ProjectileMotionQuantities(MaximalHeight maxHeight, InitialVelocity v, InitialHeight h, GravAcceleration g, ProjectileMotionResultsUnits units = null)
{
Units = units ?? new ProjectileMotionResultsUnits();
V = v;
H = h;
G = g;
Α = new ElevationAngle(
GetResultWithComputeExpection(
maxHeight.GetBasicVal() == 0 && H.GetBasicVal() == 0 ?
double.NaN
:
Math.Asin(Math.Sqrt(
2.0 * G.GetBasicVal() * (maxHeight.GetBasicVal() - H.GetBasicVal()) /
Math.Pow(V.GetBasicVal(), 2)
))
),
UnitAngle.Basic
).Convert(Units.Angle);
UsedAssignmentType = AssignmentsTypes.ElevationAngleByMaxHeight;
}
/// <summary>
/// 8. Constructor for a projectile motion Quantities. Computes an initial velocity based on the maximal height.
/// </summary>
/// <param name="α">An elevation angle.</param>
/// <param name="maxHeight">The maximal height.</param>
/// <param name="h">An initial height.</param>
/// <param name="g">A gravitation acceleration of the planet.</param>
/// <param name="units">The units of Quantities. By default metre per second, radian, metre and metre per square second.</param>
public ProjectileMotionQuantities(MaximalHeight maxHeight, ElevationAngle α, InitialHeight h, GravAcceleration g, ProjectileMotionResultsUnits units = null)
{
Units = units ?? new ProjectileMotionResultsUnits();
Α = α;
H = h;
G = g;
V = new InitialVelocity(
GetResultWithComputeExpection(
maxHeight.GetBasicVal() == 0 && H.GetBasicVal() == 0 ?
Α.GetBasicVal() == 0 ?
double.NaN : 0
:
Math.Sqrt(
2.0 * G.GetBasicVal() * (maxHeight.GetBasicVal() - H.GetBasicVal()) /
Math.Pow(Math.Sin(Α.GetBasicVal()), 2.0)
)
),
UnitVelocity.Basic
).Convert(Units.Velocity);
UsedAssignmentType = AssignmentsTypes.InitialVelocityByMaxHeight;
}
/// <summary>
/// 9. Constructor for a projectile motion Quantities. Computes an initial height based on the maximal height.
/// </summary>
/// <param name="α">An elevation angle.</param>
/// <param name="maxHeight">The maximal height.</param>
/// <param name="v">An initial velocity.</param>
/// <param name="g">A gravitation acceleration of the planet.</param>
/// <param name="units">The units of Quantities. By default metre per second, radian, metre and metre per square second.</param>
public ProjectileMotionQuantities(MaximalHeight maxHeight, ElevationAngle α, InitialVelocity v, GravAcceleration g, ProjectileMotionResultsUnits units = null)
{
Units = units ?? new ProjectileMotionResultsUnits();
V = v;
Α = α;
G = g;
H = new InitialHeight(
GetResultWithComputeExpection(
maxHeight.GetBasicVal() - Math.Pow(V.GetBasicVal() * Math.Sin(Α.GetBasicVal()), 2.0) / (2.0 * G.GetBasicVal())
),
UnitLength.Basic
).Convert(Units.Length);
UsedAssignmentType = AssignmentsTypes.InitialHeightByMaxHeight;
}
