first commit

CS4451/proj5/Input.h

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+#ifndef _INPUT_H_
+#define _INPUT_H_
+
+#include <stdlib.h>
+#include <GL/glut.h>
+
+#include "structs.h"
+
+class Input {
+    public:
+
+        static inline Input* getInstance() {
+            return & m_instance;
+        }
+
+        GLvoid keyboard_event(GLubyte key, GLint x, GLint y);
+        GLvoid menu( int value );
+        GLvoid passive_motion(GLint mx, GLint my);
+        GLvoid button_motion(GLint mx, GLint my);
+        GLvoid mouse_button(GLint btn, GLint state, GLint mx, GLint my);
+
+        enum {
+            ZOOM_IN_EVENT,
+            ZOOM_OUT_EVENT,
+            ANIMATE_EVENT,
+            LINES_EVENT,
+            FULL_EVENT
+        };
+
+    private:
+        
+        inline Input() {;}
+        
+        static Input m_instance;
+
+        Point oldPoint;
+        
+        void calcAngle(GLfloat *newMatrix, GLfloat angle, Point& a);
+        void scalePoint(Point& p, GLint mx, GLint my);
+
+};
+
+#endif