Players view follows an entity?

[Mexicouger]

I was wondering how I could do this. I don't even know what to start with to make this magic happen. In mind, I have a traceline, and trace_ent.takedamage; the rest is foggy.

And what I mean by players view following an entity, is this;
Let's say you are looking at an enemy and he moves, your center screen will follow the enemy a bit.

Any help would be appreciated.

[r00k]

Here's how I do it in ClanArenaX, when a player dies, the POV of yourself lying on the floor points at your enemy so you can give'em the evil eye! This is called, every frame through playerprethink.

Code: Select all

void() PlayerDeathThink =
{
	local float	forward;
	local vector	angle;

	if (self.flags & FL_ONGROUND)
	{
		forward = vlen (self.velocity);
		forward = forward - 20;
		if (forward <= 0)
			self.velocity = '0 0 0';
		else
			self.velocity = forward * normalize(self.velocity);
	}
	
	//R00k 1.55 look at enemy when dead
	if (self.enemy.classname == "player")
		self.movetarget = self.enemy;

	if (ca_gametype & CA_MATCH_MODE)
	if (self.movetarget.player_flag == PF_PLAYING)
	{
		makevectors (self.v_angle);
		traceline (self.origin, self.movetarget.origin, TRUE, self.movetarget);
		if (trace_fraction == 1)
		{
			angle = angles_bestaim (self.origin, self.movetarget.origin);
			angles_fixangle (angle);
		}
	}
};

The required supporting routines....

angles_bestaim gets the angle, and fixangle rounds the aim by 1/16th

Code: Select all

vector (vector from, vector to) angles_bestaim =
{
	local vector bestaim;

	bestaim = vectoangles ((to - from));
	if ((bestaim_x > 270))
	{
		bestaim_x = (360 - bestaim_x);
		if ((bestaim_x > 78))
		{
			bestaim_x = 78;
		}
	}
	else
	{
		bestaim_x = (0 - bestaim_x);
		if ((bestaim_x < -68))
		{
			bestaim_x = -68;
		}
	}
	return (bestaim);
};

void (vector v) angles_fixangle =
{
	self.ca_oldangle = v;
	
	if (v_x >= 0)	
		self.angles_x = (v_x + 0.0625);
	else
		self.angles_x = (v_x - 0.0625);

	if (v_y >= 0)	
		self.angles_y = (v_y + 0.0625);
	else
		self.angles_y = (v_y - 0.0625);
		
	if (v_x >= 0)	
		self.v_angle_x = (v_x + 0.0625);
	else
		self.v_angle_x = (v_x - 0.0625);
		
	if (v_x >= 0)	
		self.v_angle_y = (v_y + 0.0625);
	else
		self.v_angle_y = (v_y - 0.0625);

	self.fixangle = TRUE;
};

[Mexicouger]

Thanks alot Rook! But do you know how to break out of this look if, lets say, you move your mouse really quick, or the player runs away quickly?

But really, thanks!

[r00k]

You can limit the angle possibly. Like if the angle > 90 then return.

Code: Select all

if (angle < 90)
angles_fixangle (angle);

[behind_you]

Code: Select all

void (vector v) angles_fixangle =
{
	self.ca_oldangle = v;
	
	if (v_x >= 0)	
		self.angles_x = (v_x + 0.0625);
	else
		self.angles_x = (v_x - 0.0625);

	if (v_y >= 0)	
		self.angles_y = (v_y + 0.0625);
	else
		self.angles_y = (v_y - 0.0625);
		
	if (v_x >= 0)	
		self.v_angle_x = (v_x + 0.0625);
	else
		self.v_angle_x = (v_x - 0.0625);
		
	if (v_x >= 0)	
		self.v_angle_y = (v_y + 0.0625);
	else
		self.v_angle_y = (v_y - 0.0625);

	self.fixangle = TRUE;
};

what's the point of this function? Its not really changing much. 8(