Some vectors

Vectors.cpp

struct vector3D {
  float x;
  float y;
  float z;
}

//now we can make some vector functions
vector3D add(vector3D left, vector3D right){
  vector3D result = {};
  result.x = left.x + right.x;
  result.y = left.y + right.y;
  result.z = left.z + right.z;
  
  return result;
}

vector3D mul(vector3D vector, float scalar){
  vector3D result = {};
  result.x = vector.x * scalar;
  result.y = vector.y * scalar;
  result.z = vector.z * scalar;
  
  return result;
}

float dot(vector3D left, vector3D right){
  float result = (left.x * right.x) + (left.y * right.y) + (left.z * right.z);
}