Initial source commit

gamma256/gameSource/testNoise.cpp

@@ -0,0 +1,66 @@
+#include "landscape.h"
+
+#include <stdio.h>
+
+void printBinary( unsigned char inVal ) {
+    for( int b=7; b>=0; b-- ) {
+        if( ( inVal >> b ) & 0x01 == 1 ) {
+            printf( "1" );
+            }
+        else {
+            printf( "0" );
+            }
+        }
+    }
+
+int main() {
+    
+    int numAllZeroOrig = 0;
+    int numAllZeroNew = 0;
+
+    for( int i=0; i<20; i++ ) {
+        double value = noise3d( 37462 * i, 1747 * i, i * 3748147 );
+        
+        
+
+        printf( "%d ... %f .... ", i, value );
+
+
+        
+        unsigned char castedChar = (unsigned char)( value * 15 );
+
+        unsigned char chestVal = (unsigned char)( value * 15 ) & 0x3F;
+        
+        // show in binary        
+        printf( "casted char = %d ... original val = ", castedChar );
+        printBinary( chestVal );
+        
+        printf( "\n" );
+        
+        /*        
+        if( chestVal == 0 ) {
+            numAllZeroOrig ++;
+            }
+
+        value += 1;
+        value /= 2;
+
+        unsigned char newVal = (unsigned char)( value * 63 ) & 0x3F;
+
+        printf( "\n ... new value = %f ....  ", value );
+        printBinary( newVal );
+        printf( "\n\n" );
+
+        if( newVal == 0 ) {
+            numAllZeroNew ++;
+            }
+        */
+        
+        
+        }
+
+    printf( "Num all zero, orig = %d, new = %d \n", 
+            numAllZeroOrig, numAllZeroNew );
+
+    return 0;
+    }