private static V2RV2 ParseShortV2RV2(string s)
{
// Format: <float;float:float> ; args are rx,ry,angle resp.
int ii = 0;
int from = 1;
float x = 0;
while (++ii < s.Length)
{
if (s[ii] == ';')
{
x = Float(s, from, ii);
from = ii + 1;
break;
}
}
while (++ii < s.Length)
{
if (s[ii] == ':')
{
float y = Float(s, from, ii);
from = ii + 1;
return(V2RV2.Rot(x, y, Float(s, from, s.Length - 1)));
}
}
throw new FormatException("Bad V2RV2 formatting: " + s);
}
public static V2RV2 ParseV2RV2(string s)
{
// Format: <float;float:float;float:float> (nx,ny,rx,ry,angle)
// OR the RV2 format (rx,ry,angle).
if (s == "<>")
{
return(V2RV2.Zero);
}
if (s.CountOf(':') == 0)
{
return(V2RV2.Angle(Float(s, 1, s.Length - 1)));
}
if (s.CountOf(':') == 1)
{
return(ParseShortV2RV2(s));
}
int ii = 0;
int from = 1;
var nx = NextFloat(s, ref from, ref ii, ';');
var ny = NextFloat(s, ref from, ref ii, ':');
var rx = NextFloat(s, ref from, ref ii, ';');
var ry = NextFloat(s, ref from, ref ii, ':');
return(new V2RV2(nx, ny, rx, ry, Float(s, from, s.Length - 1)));
}
/// <summary>
/// Create a velocity configuration.
/// </summary>
/// <param name="path">Movement descriptor</param>
/// <param name="parentLoc">Global location of parent. Set to zero if using a transform parent</param>
/// <param name="localLoc">Location of this relative to parent. Only distinguished from parent for applying modifiers.</param>
public Movement(VTP path, Vector2 parentLoc, V2RV2 localLoc)
{
angle = localLoc.angle;
cos_rot = M.CosDeg(localLoc.angle);
sin_rot = M.SinDeg(localLoc.angle);
vtp = path;
flipX = 1;
flipY = 1;
this.rootPos = parentLoc + localLoc.TrueLocation;
}
/// <summary>
/// Create a shell velocity configuration with no movement.
/// </summary>
/// <param name="parentLoc">Global location of parent. Set to zero if using a transform parent</param>
/// <param name="localPos">Location of this relative to parent</param>
public Movement(Vector2 parentLoc, V2RV2 localPos) : this(VTPRepo.NoVTP, parentLoc, localPos)
{
}