File content as of revision 30:513457c1ad12:

/// PsiSwarm Beautiful Meme Project Source Code
/// Version 0.41
/// James Hilder, Alan Millard, Homero Elizondo, Jon Timmis
/// University of York

// vector.cpp - Functions for calculating floating point bearing vectors

#include "bmeme.h"


struct FloatVector addVector(struct FloatVector in_vector, int angle, int distance){
    struct FloatVector out_vector;
    float sin_component_old = sin(in_vector.angle * TO_RAD) * in_vector.distance;
    float cos_component_old = cos(in_vector.angle * TO_RAD) * in_vector.distance;
    float sin_component_new = sin(angle * TO_RAD) * distance;
    float cos_component_new = cos(angle * TO_RAD) * distance;
    float sin_component_sum = sin_component_old + sin_component_new;
    float cos_component_sum = cos_component_old + cos_component_new;
    out_vector.distance = sqrt((sin_component_sum * sin_component_sum) + (cos_component_sum * cos_component_sum));
    out_vector.angle = atan2(sin_component_sum ,cos_component_sum) * TO_DEG;
    //out("Angle:%f  Distance:%f\n",out_vector.angle,out_vector.distance);
    return out_vector;
}