p2mathlib.qh File Reference

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Functions
ERASEABLE vector	aim_vec (vector org, vector targ)
ERASEABLE float	angle_snap_f (float f, float increment)
ERASEABLE vector	angle_snap_vec (vector v, float increment)
ERASEABLE vector	vec_bias (vector v, float f)
ERASEABLE vector	vec_bounds_in (vector point, vector a, vector b)
ERASEABLE vector	vec_bounds_out (vector point, vector a, vector b)
ERASEABLE vector	vec_to_max (vector a, vector b)
ERASEABLE vector	vec_to_min (vector a, vector b)

Function Documentation

aim_vec()

ERASEABLE vector aim_vec	(	vector	org,
		vector	targ )

Definition at line 95 of file p2mathlib.qc.

{
    vector v;
    // we float around x and y, but rotate around z
    v.x = targ.x - org.x;
    v.y = targ.y - org.y;
    v.z = org.z - targ.z;
    // get the angles actual
    return vectoangles(normalize(v));
}

References normalize(), org, vectoangles(), and vector.

Referenced by viewloc_SetViewLocation().

angle_snap_f()

ERASEABLE float angle_snap_f	(	float	f,
		float	increment )

Definition at line 73 of file p2mathlib.qc.

{
    for (int j = 0; j <= 360; )
    {
        if (f <= j - increment) return j - increment;
        j = j + increment;
    }
 
    return 0;
}

Referenced by angle_snap_vec(), and viewloc_SetViewLocation().

angle_snap_vec()

ERASEABLE vector angle_snap_vec	(	vector	v,
		float	increment )

Definition at line 85 of file p2mathlib.qc.

{
    vector c;
    c.x = angle_snap_f(v.x, increment);
    c.y = angle_snap_f(v.y, increment);
    c.z = angle_snap_f(v.z, increment);
    return c;
}

References angle_snap_f(), and vector.

Referenced by viewloc_SetViewLocation().

vec_bias()

ERASEABLE vector vec_bias	(	vector	v,
		float	f )

Definition at line 21 of file p2mathlib.qc.

{
    vector c;
    c.x = v.x + f;
    c.y = v.y + f;
    c.z = v.z + f;
    return c;
}

References vector.

vec_bounds_in()

ERASEABLE vector vec_bounds_in	(	vector	point,
		vector	a,
		vector	b )

Definition at line 51 of file p2mathlib.qc.

{
    vector d = vec_to_min(a, b);
    vector e = vec_to_max(a, b);
 
    vector c = vec_to_min(vec_to_max(point, d), e);
 
    return c;
}

References vec_to_max(), vec_to_min(), and vector.

Referenced by viewloc_SetViewLocation().

vec_bounds_out()

ERASEABLE vector vec_bounds_out	(	vector	point,
		vector	a,
		vector	b )

Definition at line 62 of file p2mathlib.qc.

{
    vector d = vec_to_max(a, b);
    vector e = vec_to_min(a, b);
 
    vector c = vec_to_min(vec_to_max(point, d), e);
 
    return c;
}

References vec_to_max(), vec_to_min(), and vector.

vec_to_max()

ERASEABLE vector vec_to_max	(	vector	a,
		vector	b )

Definition at line 40 of file p2mathlib.qc.

{
    vector c;
    c.x = max(a.x, b.x);
    c.y = max(a.y, b.y);
    c.z = max(a.z, b.z);
    return c;
}

References max(), and vector.

Referenced by vec_bounds_in(), vec_bounds_out(), and viewloc_SetViewLocation().

vec_to_min()

ERASEABLE vector vec_to_min	(	vector	a,
		vector	b )

Definition at line 30 of file p2mathlib.qc.

{
    vector c;
    c.x = min(a.x, b.x);
    c.y = min(a.y, b.y);
    c.z = min(a.z, b.z);
    return c;
}

References min(), and vector.

Referenced by vec_bounds_in(), vec_bounds_out(), and viewloc_SetViewLocation().