private bool TryWeapon(WeaponCodes weaponCode){
if(ps.HaveAmmo((int)weaponCode)){//Check if we have Ammo of given weapon
//Equip weapon
curWeapon = (int)weaponCode;
weaponContr.ChangeWeapon((int)weaponCode);
return true;
}
return false;
}
private bool CalculateParabolicShotAngles(Transform _target, WeaponCodes weaponCode){
//Source position
float x1 = weaponContr.weaponPivot.position.x;
float y1 = weaponContr.weaponPivot.position.y;
//Target position
float x = _target.position.x;
float y = _target.position.y;
//Target position normalized by moving source to (0,0)
x = x - x1;
y = y - y1;
//Grab Velocity for specific projectile
float v = velocity[(int)weaponCode];
//Get gravity from Unity Project Settings (assuming there is only gravity on the y axis)
float g = -Physics2D.gravity.y;
//Check if the target is reachable
//discriminant = v^4 - g(gx^2 + 2yv^2)
float discriminant = v*v*v*v - g * (g*x*x + 2*y*v*v);
if(discriminant < 0){
//In this case the target is unreachable
return false;
}
//Theta = ( v^2 (+-) sqrt(discriminant) ) / ( gx )
angle_1 = Mathf.Atan2((v * v - Mathf.Sqrt(discriminant)) , (g * x)) * Mathf.Rad2Deg; //Low trajectory
angle_2 = Mathf.Atan2((v * v + Mathf.Sqrt(discriminant)) , (g * x)) * Mathf.Rad2Deg; //High trajectory
/*
if(x < 0){
if(y < 0){//3rd quadrant
//1st to 3rd quadrant
angle_1 -= 180f;
angle_2 -= 180f;
}else{//2nd quadrant
//4th to 2nd quadrant
angle_1 += 180f;
angle_2 += 180f;
}
}
*/
return true;
}