wardrobe-hook: wip, elevation

[reprap-play.git] / funcs.scad.cpp

diff --git a/funcs.scad.cpp b/funcs.scad.cpp
index 0d589ac9ecd3fe89a9201ed2c0a8da0a5dcb0a36..29d5a1e6dd2ab9bc0a103ad28203d98e20a7dd29 100644 (file)
--- a/funcs.scad.cpp
+++ b/funcs.scad.cpp
@@ -8,13 +8,20 @@ function dist(a,b) =
 function circle_point(c, r, alpha) = [ c[0] + r * cos(alpha),
                                       c[1] + r * sin(alpha) ];
 
-function tangent_intersect(a,c,r) =
 #define d     (dist(a,c))
 #define alpha (atan2(a[1]-c[1],a[0]-c[0]))
 #define gamma (asin(r / d))
 #define beta  (alpha + 90 - gamma)
+
+function tangent_intersect_beta(c,r,a) =
+              beta;
+
+function tangent_intersect_b(c,r,a) =
               circle_point(c, r, beta);
 #undef d
 #undef alpha
 #undef gamma
 #undef beta
+
+function reflect_in_y(p) = [-p[0], p[1]];
+