//Homework #2
static void ProjectileTrial()
{
var target = new Tuple<double, double>(5, 2);
double vMag = 10;
NoFrictionProjectile proj1 = new NoFrictionProjectile();
proj1.setVmag(vMag);
var angle = proj1.GetAnglesToTarget(target.Item1, target.Item2).Item2;
proj1.setTheta(angle);
double t = proj1.GetTimeOfFlight();
PlotData p = new PlotData(proj1, 0, t, .01);
p.AddPoint(target.Item1, target.Item2, "Target to hit");
p.AddParametricTrial("x", "y", "t", "No friction\nLaunch angle: \n" + angle.ToString());
LaminarFrictionProjectile proj2 = new LaminarFrictionProjectile();
p.SetNewEq(proj2);
double gamma = .1;
proj2.SetGamma(gamma);
proj2.SetvMag(vMag);
angle = proj2.GetAngleToTarget(target.Item1, target.Item2);
proj2.SetvMagTheta(vMag, angle);
p.AddParametricTrial("x", "y", "t", "Launch angle: \n" + angle.ToString() + "\nGamma: " + gamma.ToString());
gamma = .01;
proj2.SetGamma(gamma);
angle = proj2.GetAngleToTarget(target.Item1, target.Item2);
proj2.SetvMagTheta(vMag, angle);
p.AddParametricTrial("x", "y", "t", "Launch angle: \n" + angle.ToString() + "\nGamma: " + gamma.ToString());
gamma = .001;
proj2.SetGamma(gamma);
angle = proj2.GetAngleToTarget(target.Item1, target.Item2);
proj2.SetvMagTheta(vMag, angle);
p.AddParametricTrial("x", "y", "t", "Launch angle: \n" + angle.ToString() + "\nGamma: " + gamma.ToString());
//p.Graph();
for (double i = .3; i < .5; i+=.01) {
proj2.SetGamma(i);
proj2.SetvMag(vMag);
angle = proj2.GetAngleToTarget(target.Item1, target.Item2);
if(angle < 0){
Console.WriteLine("Largest gamma with which the projectile can reach the target:");
i -= .01;
Console.WriteLine((i).ToString());
Console.WriteLine("\nNumber of iterations to convergence:");
proj2.SetGamma(i);
Console.WriteLine(proj2.NumberOfIterationsToConvergence(target.Item1, target.Item2).ToString());
break;
}
}
Console.Read();
//ProjectileTrial(.001);
//ProjectileTrial(.01);
//ProjectileTrial(.1);
//ProjectileTrial(1);
}
static void ProjectileTrial(double gamma)
{
double v0 = 10;
var target = new Tuple<double, double>(5, 2);
var p = new PlotData(0, 2, .01);
p.AddPoint(target.Item1, target.Item2, "Target to hit");
var projFrict = new LaminarFrictionProjectile(gamma);
projFrict.SetvMag(v0);
double ang1 = projFrict.GetAngleToTarget(target.Item1, target.Item2);
projFrict.SetvMagTheta(v0, ang1);
p.SetNewEq(projFrict);
p.AddParametricTrial("x", "y", "t", "Launch angle: " + ang1.ToString() + " gamma: " + gamma.ToString());
var projNoFric = new NoFrictionProjectile();
projNoFric.setVmag(v0);
var ang2 = projNoFric.GetAnglesToTarget(target.Item1, target.Item2);
projNoFric.setTheta(ang2.Item1);
p.SetNewEq(projNoFric);
p.AddParametricTrial("x", "y", "t", "Launch angle: " + ang2.Item1.ToString() + " gamma: " + gamma.ToString());
p.Graph();
projFrict.GetThetaForMaxDistance();
}
static void LaminarFrictionProjectileTrial()
{
LaminarFrictionProjectile proj = new LaminarFrictionProjectile(2);
proj.SetvMag(10);
var target = new Tuple<double, double>(2, .1);
var angle = proj.GetAngleToTarget(target.Item1, target.Item2);
PlotData p = new PlotData(proj, 0, 2, .01);
p.AddPoint(target.Item1, target.Item2, "Target to hit");
if (angle == double.MinValue)
throw new Exception("no solution");
proj.SetvMagTheta(10, angle);
p.AddParametricTrial("x", "y", "t", "Launch angle: " + angle.ToString());
p.Graph();
}
