//----
// merge graphics path
//----
/**
* merge path commands
*/
public static List<GraphicsPath> mergePathCommands( PathInfo p0, PathInfo p1, float err=0.1f )
{
if ( p0.paths.Count == 0 || p1.paths.Count == 0 ) {
//throw new Error("[mergePathCommands] PathInfo has no path.")
Debug.LogError("[mergePathCommands] PathInfo has no path.");
}
//segment 1st
List<List<IPath>> paths0 = new List<List<IPath>>();
List<List<IPath>> paths1 = new List<List<IPath>>();
_segmentPathToCompare( p0, p1, err, paths0, paths1 );
//segment 2nd make graphics paths
List<int> c0 = new List<int>();
List<float> d0 = new List<float>();
List<float> d1 = new List<float>();
_mergeGraphicsPathCommands( c0, d0, d1, paths0, paths1 );
//make result
List<GraphicsPath> res;
//res = new Vector.<GraphicsPath>(2, true);
res = new List<GraphicsPath>();
res[0] = new GraphicsPath(c0, d0);
res[1] = new GraphicsPath(c0, d1);
return res;
}
//----
// merge path
//----
public static GraphicsPath mergePath( PathInfo p0, PathInfo p1 )
{
//交点を求めてパスを分割
//パスを結合
return null;
}
private static void _segmentPathToCompare(PathInfo p0, PathInfo p1, float err, List<List<IPath>> paths0, List<List<IPath>> paths1 )
{
int n0 = p0.paths.Count;
int n1 = p1.paths.Count;
float len0 = p0.length;
float len1 = p1.length;
int b0 = 0;
int b1 = 0;
int i0 = 0;
int i1 = 0;
bool last0 = false;
bool last1 = false;
err = err * 2.0f / (n0 + n1);
float s0 = p0._lengths[0] / len0;
float s1 = p1._lengths[0] / len1;
bool flg = true;
while ( flg ) {
bool gt = ( s0 > s1 );
float d = ( gt ) ? s0 - s1 : s1 - s0;
if ( d < err ) {
i0++;
i1++;
s0 = p0._lengths[i0] / len0;
s1 = p1._lengths[i1] / len1;
//paths0.Add( p0.path.slice( b0, i0 ) );
paths0.Add( p0.paths.GetRange( b0, b0 + i0 ) );
paths1.Add( p1.paths.GetRange( b1, b1 + i1 ) );
last0 = ( i0 >= n0 - 1 );
last1 = ( i1 >= n1 - 1 );
b0 = i0;
b1 = i1;
}else if ( gt ) {
i1++;
s1 = p1._lengths[i1] / len1;
last1 = ( i1 >= n1 - 1 );
}else {
i0++;
s0 = p0._lengths[i0] / len0;
last0 = ( i0 >= n0 - 1 );
}
if ( last0 || last1 ) {
paths0.Add( p0.paths.GetRange( b0, b0 + n0 ) );
paths1.Add( p1.paths.GetRange( b1, b1 + n1 ) );
flg = false;
}
}
}
