%%%%%%%%%%%%%%%%%%%%%
% Gnoulelein Tako
% u1091242
% ME EN 1010 Lab Section 3
% HW4 Projectile Problems
% 2/5/2020
%%%%%%%%%%%%%%%%%%%%%
clear
clc
clear all

%% Projectile Problem 2
theta = 0;
d1 = 0.041;
d2 = 0.190;
d3 = 0.067;
Vo = 3.2;
xTarget = 1.25;
xLand = 0;
[range, rangeAngle] = ProjectileRange(d1,d2,d3,Vo);
while (xLand <= xTarget) & (theta <= rangeAngle)
    theta = theta + .01;
    xLand = LandingDistance(d1,d2,d3,Vo,theta);
end
if (xTarget <= range)
    fprintf("To hit a target at %.2f m, use a launch angle of %.2f degrees\n",xTarget,theta)
else
    fprintf("%.2f m is beyond the range of the cannon.\n%.3f is the closest you can get (launch angle = %.2f degrees)",xTarget, range,rangeAngle)
end

%% Projectile Problem 3
clear
clc
theta = 90;
d1 = 0.041;
d2 = 0.190;
d3 = 0.067;
Vo = 3.2;
xTarget = 1.25;
xLand = 0;
[range, rangeAngle] = ProjectileRange(d1,d2,d3,Vo);
while (xLand <= xTarget) & (theta >= rangeAngle)
    theta = theta - .01;
    xLand = LandingDistance(d1,d2,d3,Vo,theta);
end
if (xTarget <= range)
    fprintf("To hit a target at %.2f m, use a launch angle of %.2f degrees\n",xTarget,theta)
else
    fprintf("%.2f m is beyond the range of the cannon.\n%.3f is the closest you can get (launch angle = %.2f degrees)", xTarget, range, rangeAngle)
end