X-Git-Url: http://shamusworld.gotdns.org/cgi-bin/gitweb.cgi?a=blobdiff_plain;ds=sidebyside;f=src%2Fcircle.cpp;h=ed37be3fcd7268faf59cfcb3906316f69a447045;hb=6c1279871f6bb86bc59e2561b6a7f74ab081f71e;hp=94a9ec8f807b47b5e867bb3e5fab79b951c46c3a;hpb=8a5bf49d09b5a00ebea3ffc449519ad05b0326cc;p=architektonas diff --git a/src/circle.cpp b/src/circle.cpp index 94a9ec8..ed37be3 100644 --- a/src/circle.cpp +++ b/src/circle.cpp @@ -100,6 +100,9 @@ Circle::~Circle() if (snapToGrid) point = SnapPointToGrid(point); + if (snapPointIsValid) + point = snapPoint; + draggingCenter = hitCenter; draggingEdge = hitCircle; @@ -132,11 +135,23 @@ Circle::~Circle() return false; } +/* +Note that we can separate this out in the TLC, and it would probably make more sense +to do it there as then we can be assured that all hit testing is done before we do +any snapping. !!! FIX !!! +*/ // Hit test tells us what we hit (if anything) through boolean variables. It // also tells us whether or not the state changed. SaveHitState(); bool hovered = HitTest(point); needUpdate = HitStateChanged(); + + if (snapToGrid) + point = SnapPointToGrid(point); + + if (snapPointIsValid) + point = snapPoint; + objectWasDragged = (draggingEdge | draggingCenter); if (objectWasDragged) @@ -173,8 +188,8 @@ Circle::~Circle() double length = Vector::Magnitude(position, point); //printf("Circle::length = %lf, radius = %lf\n", length, radius); //How to translate this into pixels from Document space??? -//Maybe we need to pass a scaling factor in here from the caller? That would make sense, as -//the caller knows about the zoom factor and all that good kinda crap +//Maybe we need to pass a scaling factor in here from the caller? That would make +//sense, as the caller knows about the zoom factor and all that good kinda crap /* Document passes in the correct Cartesian coordinates being pointed to by the mouse. So all we have to be concerned with is properly scaling our hot zones/handle sizes, @@ -186,7 +201,16 @@ the radius will be 5.0. By multiplying the length by the zoom factor, we align o pointed at length with our on screen length. */ if ((length * Painter::zoom) < 8.0) + { hitCenter = true; + + // Make sure we don't try to snap to ourselves...! + if (!draggingCenter) + { + snapPoint = position; + snapPointIsValid = true; + } + } //wrong: else if ((length < (radius + 2.0)) && (length > (radius - 2.0))) /*NB: The following should be identical to what we have down below, but it doesn't work out that way... :-P */ //close, but no else if (((length * Painter::zoom) < ((radius * Painter::zoom) + 2.0)) && ((length * Painter::zoom) > ((radius * Painter::zoom) - 2.0)))