void mouse( int button, int state, int x, int y ) {
if( button == GLUT_LEFT_BUTTON && !State.inAnimation && !State.inRotation ) {
if( state == GLUT_DOWN ) { //pick a vertex
Line line = View.cursorLine( x, y );
Vector destination = Origami.pickVertex( View.cursorLine( x, y ) );
View.world2window( destination, Cursor3D.x, Cursor3D.y, Cursor3D.z );
glutWarpPointer( Cursor3D.x, Cursor3D.y );
State.inFolding = true;
} else { // GLUT_UP
Origami.releaseVertex();
State.inFolding = false;
}
}
}
void folding(Vector source, Vector destination)
{
// Origami.listVertex();
// printf("\n");
// source.print();
View.world2window( source, Cursor3D.x, Cursor3D.y, Cursor3D.z );
Line line = View.cursorLine( Cursor3D.x, Cursor3D.y );
// line.print();
source = Origami.pickVertex( line );
glutWarpPointer( Cursor3D.x, Cursor3D.y );
// destination.print();
// printf("\n");
Origami.moveVertex( destination, View.eyePosition(), false);
View.world2window( destination, Cursor3D.x, Cursor3D.y, Cursor3D.z );
Origami.releaseVertex();
}