diff options
Diffstat (limited to 'src/fl_curve.cxx')
| -rw-r--r-- | src/fl_curve.cxx | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/src/fl_curve.cxx b/src/fl_curve.cxx index 3addb0e38..c15f4943e 100644 --- a/src/fl_curve.cxx +++ b/src/fl_curve.cxx @@ -1,5 +1,5 @@ // -// "$Id: fl_curve.cxx,v 1.4.2.4.2.3 2002/01/01 15:11:32 easysw Exp $" +// "$Id: fl_curve.cxx,v 1.4.2.4.2.4 2002/08/09 03:17:30 easysw Exp $" // // Bezier curve functions for the Fast Light Tool Kit (FLTK). // @@ -44,15 +44,15 @@ void fl_curve(double X0, double Y0, fl_transformed_vertex(x,y); double x1 = fl_transform_x(X1,Y1); - double y1 = fl_transform_y(X1,Y1); + double yy1 = fl_transform_y(X1,Y1); double x2 = fl_transform_x(X2,Y2); double y2 = fl_transform_y(X2,Y2); double x3 = fl_transform_x(X3,Y3); double y3 = fl_transform_y(X3,Y3); // find the area: - double a = fabs((x-x2)*(y3-y1)-(y-y2)*(x3-x1)); - double b = fabs((x-x3)*(y2-y1)-(y-y3)*(x2-x1)); + double a = fabs((x-x2)*(y3-yy1)-(y-y2)*(x3-x1)); + double b = fabs((x-x3)*(y2-yy1)-(y-y3)*(x2-x1)); if (b > a) a = b; // use that to guess at the number of segments: @@ -72,9 +72,9 @@ void fl_curve(double X0, double Y0, double dx2 = dx3 + 2*xb*e*e; // calculate the coefficients of 3rd order equation: - double ya = (y3-3*y2+3*y1-y); - double yb = 3*(y2-2*y1+y); - double yc = 3*(y1-y); + double ya = (y3-3*y2+3*yy1-y); + double yb = 3*(y2-2*yy1+y); + double yc = 3*(yy1-y); // calculate the forward differences: double dy1 = ((ya*e+yb)*e+yc)*e; double dy3 = 6*ya*e*e*e; @@ -100,5 +100,5 @@ void fl_curve(double X0, double Y0, } // -// End of "$Id: fl_curve.cxx,v 1.4.2.4.2.3 2002/01/01 15:11:32 easysw Exp $". +// End of "$Id: fl_curve.cxx,v 1.4.2.4.2.4 2002/08/09 03:17:30 easysw Exp $". // |