From c8574f03fae4de8642196a494e2975a4412ec311 Mon Sep 17 00:00:00 2001
From: TanmayMachkar <tanmaymacho@gmail.com>
Date: Tue, 28 Nov 2023 23:39:20 +0530
Subject: [PATCH] transformation code translation error fixed

---
 Transformation.cpp | 122 +++++++++++++++++++++------------------------
 1 file changed, 56 insertions(+), 66 deletions(-)

diff --git a/Transformation.cpp b/Transformation.cpp
index 2ec8c2a..05c1eb4 100644
--- a/Transformation.cpp
+++ b/Transformation.cpp
@@ -6,40 +6,33 @@ using namespace std;
 int main()
 {
     int gd = DETECT,gm;
-    initgraph(&gd,&gm,NULL);
-    int b[3][3];
-    int d;
-    cout<<"Enter value of x1: ";
-    cin>>b[0][0];
-    cout<<"Enter value of y1: ";
-    cin>>b[1][0];
-    cout<<"Enter value of x2: ";
-    cin>>b[0][1];
-    cout<<"Enter value of y2: ";
-    cin>>b[1][1];
-    cout<<"Enter value of x3: ";
-    cin>>b[0][2];
-    cout<<"Enter value of y3: ";
-    cin>>b[1][2];
-    b[2][0] = b[2][1] = b[2][2];
-    setcolor(RED);
-    line(b[0][0],b[1][0],b[0][1],b[1][1]);
-    line(b[0][1],b[1][1],b[0][2],b[1][2]);
-    line(b[0][2],b[1][2],b[0][0],b[1][0]);
-    delay(5000);
-    cout<<"\nYour Choices Are!! \n";
-    cout<<"1. Translation: \n2. Scaling: \n3. Rotation: ";
-    cout<<"\nEnter your choice: ";
-    cin>>d;
-    switch(d)
+    initgraph(&gd, &gm, NULL);
+    initwindow(1000,800);
+    float a[3][3];
+    int x1,y1,x2,y2,choice;
+    cout<<"Enter x1 and y1 coordinates: ";
+    cin>>a[0][0]>>a[1][0];
+    cout<<"\nEnter x2 and y2 coordinates: ";
+    cin>>a[0][1]>>a[1][1];
+    cout<<"\nEnter x3 and y3 coordinates: ";
+    cin>>a[0][2]>>a[1][2];
+    a[2][0] =a[2][1] = a[2][2] = 1;
+    line(a[0][0],a[1][0],a[0][1],a[1][1]);
+    line(a[0][1],a[1][1],a[0][2],a[1][2]);
+    line(a[0][2],a[1][2],a[0][0],a[1][0]);
+    delay(10000);
+    cout<<"\n1. Translation \n2. Scaling \n3. Rotation";
+    cout<<"\nEnter choice: ";
+    cin>>choice;
+    switch(choice)
     {
-        case 1:
+    case 1:
         {
-            float a[3][3],c[3][3];
-            cout<<"\nEnter value value of tx and ty: ";
-            cin>>a[0][2]>>a[1][2];
-            a[0][0] = a[1][1] = a[2][2] = 1;
-            a[1][0] = a[2][0] = a[0][1] = a[2][1] = 0;
+            float b[3][3],c[3][3];
+            b[0][0] = b[1][1] = b[2][2] = 1;
+            b[0][1] = b[1][0] = b[2][0] = b[2][1] = 0;
+            cout<<"\nEnter tx and ty: ";
+            cin>>b[0][2]>>b[1][2];
             for(int i = 0; i<3; i++)
             {
                 for(int j = 0; j<3; j++)
@@ -47,7 +40,7 @@ int main()
                     c[i][j] = 0;
                     for(int k = 0; k<3; k++)
                     {
-                        c[i][j]+=a[i][k]*b[k][j];
+                        c[i][j] += b[i][k]*a[k][j];
                     }
                 }
             }
@@ -55,17 +48,17 @@ int main()
             line(c[0][0],c[1][0],c[0][1],c[1][1]);
             line(c[0][1],c[1][1],c[0][2],c[1][2]);
             line(c[0][2],c[1][2],c[0][0],c[1][0]);
-            delay(5000);
-            break;
+            delay(7000);
         }
-        case 2:
+        break;
+
+    case 2:
         {
-            float sx,sy;
-            float a[3][3],c[3][3];
-            cout<<"\nEnter value value of sx and sy: ";
-            cin>>a[0][0]>>a[1][1];
-            a[2][2] = 1;
-            a[0][1] = a[0][2] = a[1][0] = a[1][2] = a[2][0] = a[2][1] = 0;
+            float b[3][3],c[3][3];
+            b[0][1] = b[0][2] = b[1][0] = b[1][2] = b[2][0] = b[2][1] = 0;
+            b[2][2] = 1;
+            cout<<"\nEnter sx and sy: ";
+            cin>>b[0][0]>>b[1][1];
             for(int i = 0; i<3; i++)
             {
                 for(int j = 0; j<3; j++)
@@ -73,7 +66,7 @@ int main()
                     c[i][j] = 0;
                     for(int k = 0; k<3; k++)
                     {
-                        c[i][j]+=a[i][k]*b[k][j];
+                        c[i][j] += b[i][k]*a[k][j];
                     }
                 }
             }
@@ -81,22 +74,23 @@ int main()
             line(c[0][0],c[1][0],c[0][1],c[1][1]);
             line(c[0][1],c[1][1],c[0][2],c[1][2]);
             line(c[0][2],c[1][2],c[0][0],c[1][0]);
-            delay(5000);
-            break;
-         }
-         case 3:
-         {
-            float z, A;
-            float a[3][3];
-            float c[3][3];
-            cout<<"\nEnter the angle: ";
+            delay(7000);
+        }
+        break;
+
+    case 3:
+        {
+            float b[3][3],c[3][3];
+            float z;
+            cout<<"\nEnter angle: ";
             cin>>z;
-            A = (z*3.14)/180;
-            a[2][2] = 1;
-            a[0][2] = a[1][2] = a[2][0] = a[2][1] = 0;
-            a[0][0] = a[1][1] = cos(A);
-            a[0][1] = sin(A);
-            a[1][0] = (-sin(A));
+            float ang = (z*3.14)/180;
+            b[0][2] = b[1][2] = b[2][0] = b[2][1] = 0;
+            b[2][2] = 1;
+            b[0][0] = cos(ang);
+            b[0][1] = sin(ang);
+            b[1][0] = -(sin(ang));
+            b[1][1] = cos(ang);
             for(int i = 0; i<3; i++)
             {
                 for(int j = 0; j<3; j++)
@@ -104,7 +98,7 @@ int main()
                     c[i][j] = 0;
                     for(int k = 0; k<3; k++)
                     {
-                        c[i][j]+=a[i][k]*b[k][j];
+                        c[i][j] += b[i][k]*a[k][j];
                     }
                 }
             }
@@ -112,13 +106,9 @@ int main()
             line(c[0][0],c[1][0],c[0][1],c[1][1]);
             line(c[0][1],c[1][1],c[0][2],c[1][2]);
             line(c[0][2],c[1][2],c[0][0],c[1][0]);
-            delay(5000);
-            break;
-         }
-         default:
-         	cout<<"\nEnter valid choice!!";
-         	break;
-            
+            delay(7000);
+        }
     }
+    closegraph();
     return 0;
 }