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author | Jean Fabre-Monplaisir <jean-isaac-fm@live.fr> | 2015-01-08 16:25:57 +0100 |
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committer | Jean Fabre-Monplaisir <jean-isaac-fm@live.fr> | 2015-01-08 16:25:57 +0100 |
commit | aefe4ae1206c4c5d1bc6a581ea02768d05a2b328 (patch) | |
tree | a51d867caef8426177518073dce9247637702ec5 /geom.hpp | |
parent | 045c846407d945f0822b059622c68387a6b8c61d (diff) | |
download | Robotique-Projet-aefe4ae1206c4c5d1bc6a581ea02768d05a2b328.tar.gz Robotique-Projet-aefe4ae1206c4c5d1bc6a581ea02768d05a2b328.zip |
implementation des constructeurs de droite et distance à une droite
Diffstat (limited to 'geom.hpp')
-rw-r--r-- | geom.hpp | 13 |
1 files changed, 9 insertions, 4 deletions
@@ -27,10 +27,15 @@ struct line { double a, b, c; line(double aa, double bb, double cc) : a(aa), b(bb), c(cc) {} - + line(vec p1, vec p2) { + a = p1.x-p2.x ; + b = p1.y-p2.y ; + c = p1.x*(p2.x-p1.x)+p1.y*(p2.y-p1.y); + + } + double dist(vec p) const { - // TODo - return 1; + return abs(a*p.x+b*p.y+c)/sqrt(a*a+b*b); } double angle() const { @@ -45,7 +50,7 @@ struct segment { segment(vec pa, vec pb) : a(pa), b(pb), {} double dist(vec p) const { - // TODO + return 1; } }; |