1 files changed, 7 insertions, 3 deletions

diff --git a/geom.hpp b/geom.hpp
index e9a4512..1b5c058 100644
--- a/geom.hpp
+++ b/geom.hpp
@@ -67,6 +67,11 @@ 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);
+	}
 
 	bool on_line(vec p) const {
 		return a * p.x + b * p.y + c == 0;
@@ -74,8 +79,7 @@ struct line {
 
 	double dist(vec p) const {
 		// calculate distance from p to the line
-		// TODO
-		return 1;
+	    return abs(a*p.x+b*p.y+c)/sqrt(a*a+b*b);
 	}
 
 	vec proj(vec p) const {
@@ -102,7 +106,7 @@ struct segment {
 	}
 
 	double dist(vec p) const {
-		// TODO
+		
 		return 1;
 	}
 };