/// <summary>
/// called on click-down
/// </summary>
override public void Begin(SceneObject so, Vector2d downPos, Ray3f downRayWorld)
{
SORayHit hit;
if (TargetSO.FindRayIntersection(downRayWorld, out hit) == false)
{
return;
}
Vector3d scenePos = SceneTransforms.WorldToSceneP(this.Scene, hit.hitPos);
if (have_source == false)
{
CurrentSourceHitPosS = new Frame3f(scenePos);
sourceIndicator = new SphereIndicator()
{
SceneFrameF = () => { return(CurrentSourceHitPosS); },
Radius = fDimension.Scene(SourceIndicatorSizeScene * 0.5),
ColorF = () => { return(Colorf.Orange); }
};
indicators.AddIndicator(sourceIndicator);
have_source = true;
source_modified = true;
}
else if (have_extent == false)
{
CurrentExtentHitPosS = new Frame3f(scenePos);
extentIndicator = new SphereIndicator()
{
SceneFrameF = () => { return(CurrentExtentHitPosS); },
Radius = fDimension.Scene(ExtentIndicatorSizeScene * 0.5),
ColorF = () => { return(Colorf.CornflowerBlue); }
};
indicators.AddIndicator(extentIndicator);
have_extent = true;
extent_modified = true;
}
}