X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fline.cpp;h=b7abc9ad6bb62939cb9ddd5102a65d25d7bcadf3;hb=67fbc130b4b6b4d253f69a9c32980d3d3306def5;hp=8425e62356e5062cee58b39a50da4793e0c11090;hpb=a42277d4d950d32459b16b3ec8ee8287c9c0afab;p=architektonas diff --git a/src/line.cpp b/src/line.cpp index 8425e62..b7abc9a 100644 --- a/src/line.cpp +++ b/src/line.cpp @@ -21,6 +21,7 @@ #include #include "container.h" #include "dimension.h" +#include "geometry.h" #include "mathconstants.h" #include "painter.h" @@ -122,6 +123,10 @@ Line::~Line() /*virtual*/ bool Line::Collided(Vector point) { + // Someone told us to fuck off, so we'll fuck off. :-) + if (ignoreClicks) + return false; + // We can assume this, since this is a mouse down event here. objectWasDragged = false; HitTest(point); @@ -445,7 +450,8 @@ the horizontal line or vertical line that intersects from the current mouse posi Vector lineSegment = endpoint - position; Vector v1 = point - position; Vector v2 = point - endpoint; - double t = Vector::Parameter(position, endpoint, point); +// double t = Vector::Parameter(position, endpoint, point); + double t = Geometry::ParameterOfLineAndPoint(position, endpoint, point); double distance; // Geometric interpretation: @@ -575,54 +581,26 @@ same reference number. } -/*virtual*/ Object * Line::Mirror(Vector p1, Vector p2) -{ -#if 0 - return NULL; - -double Vector::Parameter(Vector v1, Vector v2, Vector p) +/*virtual*/ void Line::Mirror(Point p1, Point p2) { - // Geometric interpretation: - // The parameterized point on the vector lineSegment is where the normal of - // the lineSegment to the point intersects lineSegment. If the pp < 0, then - // the perpendicular lies beyond the 1st endpoint. If pp > 1, then the - // perpendicular lies beyond the 2nd endpoint. - - Vector lineSegment = v2 - v1; - double magnitude = lineSegment.Magnitude(); - Vector pointSegment = p - v1; - double t = lineSegment.Dot(pointSegment) / (magnitude * magnitude); - return t; + Point l1 = Geometry::MirrorPointAroundLine(position, p1, p2); + Point l2 = Geometry::MirrorPointAroundLine(endpoint, p1, p2); + position = l1; + endpoint = l2; } -// Return the normal to the linesegment formed by the passed in points. -// (Not sure which is head or tail, or which hand the normal lies) -/*static*/ Vector Vector::Normal(Vector v1, Vector v2) -#endif - - double t1 = Vector::Parameter(p1, p2, position); - double t2 = Vector::Parameter(p1, p2, endpoint); - - Vector unit = Vector(p1, p2).Unit(); - Vector v1 = unit * t1; - Vector v2 = unit * t2; - -// Vector normal = Vector::Normal(p1, p2); - // Get the points normal to position & endpoint to the line passed in - // (these are tails) - Vector v3 = p1 + v1; - Vector v4 = p1 + v2; - - // Make our mirrored vectors - Vector v5 = -(position - v3); - Vector v6 = -(endpoint - v4); +/*virtual*/ void Line::Save(void) +{ + Object::Save(); + oldEndpoint = endpoint; +} - // Find the points - Vector v7 = v3 + v5; - Vector v8 = v4 + v6; - return new Line(v7, v8); +/*virtual*/ void Line::Restore(void) +{ + Object::Restore(); + endpoint = oldEndpoint; }