For Player 1: X1= xpos + 2*(turret_width)/3 Y1 = ypos + 3*(turret_width)/4 X2 =

Question

For Player 1:

X1= xpos + 2*(turret_width)/3

Y1 = ypos + 3*(turret_width)/4

X2 = X1 + barrel_length*cos(theta)

X2 = Y1 + barrel_length*sin(theta)

Player 2:

X1 = xpos + turret_width/3

Y1 = ypos + 3*(turret_width)/4

X2 = X1 - barrel_length*cos(theta)

Y2 = Y1 + barrel_length*sin(theta)

Task : Writing the function

Once you have the equations for the gun barrel coordinates, write the function calc_barrel_pos

using the same ordering of arguments as above. This function MUST be saved with the filename

calc_barrel_pos.m. Use the argument player to determine which of the sets of equations to

use from Task 1 to calculate the gun barrel positions.

Explanation / Answer

Here's the function in C++ language:

pair<pair<double,double>,pair<double,double>> calc_barrel_pos(double xpos,double ypos,double turret_width,double barrel_length,double theta,double player)
{
double X1, X2, Y1, Y2;
pair<pair<double,double>,pair<double,double>> p;
  
if(player==1){
X1= xpos + 2*(turret_width)/3;
Y1 = ypos + 3*(turret_width)/4;
X2 = X1 + barrel_length*cos(theta);
X2 = Y1 + barrel_length*sin(theta);
}
  
if(player==-1){
X1 = xpos + turret_width/3;
Y1 = ypos + 3*(turret_width)/4;
X2 = X1 - barrel_length*cos(theta);
Y2 = Y1 + barrel_length*sin(theta);
}
  
p=make_pair(make_pair(X1,Y1),make_pair(X2,Y2));
return p;
}

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