Diff: main.cpp

Revision:

0:5c1338f5f742

Child:

1:911e25976e68

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Dec 03 20:59:09 2020 +0000
@@ -0,0 +1,120 @@
+#include "mbed.h"
+//#include "C12832.h"
+#include <iostream> 
+#include <math.h>
+ 
+class Shape //Creating class called Shape
+{
+   protected:
+      int width, height, radius; //Creating protcted variables within class Shape
+    
+    
+    public: 
+        Shape (int a=0, int b=0, int c=0, int d=0) //assigning values to protected variables in public domain 
+        {
+        width = a;
+        height = b;
+        radius = c;
+        
+        }
+        
+        virtual int area () // "virtual int.." used as "int.." was setting the variable here and therefore retuning shape areas = 0. The virtual prefix (function?) essential says that int area will be used by another class 
+        {
+         return 0;
+        }
+        virtual int perimeter () //Virtual funtions perimeter
+        {
+         return 0;
+        }
+};
+
+class Rectangle: public Shape //Creating class rectangle within the class of shape 
+    {
+        public:
+            Rectangle (int a=0, int b=0):Shape(a,b,0) {} 
+            int area ()
+            {
+                return (width*height); //Calculation for rectangle area
+            }
+            int perimeter ()
+            {
+                return ((width+height)*2); //Calculation for rectangle perimeter
+            }     
+    };       
+    
+class Triangle: public Shape //Creating class triangle within the class of shape 
+    {
+        public: 
+            Triangle(int a=0, int b=0): Shape (a,b,0) {}
+            int area ()
+                {   
+                return (width*height/2); //Calculation for Triangle area
+                }
+            //int perimeter ()
+            //    {
+            //    return (width+(2*(sqrt((width/2)^2)+(height^2))); //Calculation for Triangle perimeter
+            //    } 
+    };
+
+class Circle: public Shape  //Creating class circle within the class of shape 
+    {
+        public:
+            Circle (int c=0): Shape (0,0,c) {} // c is the third calue in the constructor
+            int area ()
+                {
+                return ((radius)*2*3.14); //Calculation for circle area
+                }
+            int perimeter ()
+                {
+                return (3.14*radius*radius); //Calculation for rectangle perimeter
+                }    
+     };
+
+// Main function
+int main () 
+{
+    Shape *Vshape; //Vshape is the pointer towards Shape. shape is how we will draw from the class shape 
+    Rectangle rec(3,4); //Assign x and y values for Rectangle
+    Triangle  tri(4,6); //Assign x and y values for Triangle
+    Circle    cir(5);   //Assign radius values for Circle
+    
+    
+    //Store address if rectangle
+    Vshape = &rec;
+    
+    //Call rectangle and print area 
+    Vshape->area(); //Calling Cshapes area function 
+    int Rval = Vshape->area(); //Assigning return value to Rval
+    printf("Rectangle area is: %d\n\r",Rval);  //print value
+    Vshape->perimeter();
+    int RvalP = Vshape->perimeter();
+    printf("Rectangle perimeter is: %d\n\n\r",RvalP);
+
+
+    //Store address if triangle
+    Vshape = &tri;
+    
+    //Call triangle and print area
+    Vshape->area(); 
+    int Tval = Vshape->area();
+    printf("Triangle area is: %d\n\n\r",Tval);
+    //Vshape->perimeter();
+    //int TvalP = Vshape->perimeter(); 
+    //printf("Triangle area is: %d\n\n\r",TvalP);
+
+
+    //Store address if Circle
+    Vshape = &cir;
+
+    
+    //Call Circle area
+    Vshape->area();
+    int Cval = Vshape->area();
+    printf("Circle area is: %d\n\r",Cval);
+    Vshape->perimeter();
+    int CvalP = Vshape->perimeter(); 
+    printf("Circle perimeter is: %d\n\n\n\n\r",CvalP);
+    
+    return 0;
+
+}