From 9b5621bda033c2e6b7c622c7494c56a172543554 Mon Sep 17 00:00:00 2001
From: Chris Xiong <chirs241097@gmail.com>
Date: Mon, 12 Oct 2015 22:55:41 +0800
Subject: Initial implementation of smPath. Minor changes on the (s)coll
 effect.

---
 extensions/smpath.cpp | 13 +++++++++++++
 1 file changed, 13 insertions(+)
 create mode 100644 extensions/smpath.cpp

(limited to 'extensions/smpath.cpp')

diff --git a/extensions/smpath.cpp b/extensions/smpath.cpp
new file mode 100644
index 0000000..d86e18b
--- /dev/null
+++ b/extensions/smpath.cpp
@@ -0,0 +1,13 @@
+#include <cmath>
+#include "smpath.hpp"
+smPathSegment::smPathSegment(smvec2d _a,smvec2d _b){a=_a,b=_b;}
+smvec2d smPathSegment::getPointOnPath(double percentage)
+{return a+percentage*(b-a);}
+double smPathSegment::getPathLength()
+{return (a-b).l();}
+smPathCircular::smPathCircular(smvec2d _ctr,double _a,double _b,double _r)
+{ctr=_ctr,a=_a,b=_b,r=_r;}
+smvec2d smPathCircular::getPointOnPath(double percentage)
+{return smvec2d(ctr.x+r*cos(a+percentage*(b-a)),ctr.y+r*sin(a+percentage*(b-a)));}
+double smPathCircular::getPathLength()
+{return fabs(a-b)*r;}
-- 
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