first commit

objects/shapes/vp_line.h

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+
+
+#pragma once
+
+#include "vp_point.h"
+
+namespace vp_objects {
+    // line in 2-dims coordinate system
+    class vp_line {
+    private:
+        /* data */
+    public:
+        vp_line() = default;
+        vp_line(vp_point start, vp_point end);
+        ~vp_line();
+
+        vp_point start;
+        vp_point end;
+
+        // distance between start and end point
+        float length();
+    };
+
+}