changed assignment operator from := to = and equals operator from = to ==

git-svn-id: svn://anubis/fart/trunk@362 7f9b0f55-74a9-4bce-be96-3c2cd072584d

scenes/for-test.fart

@@ -26,9 +26,9 @@ scene
         }
     }
 
-    for (local $x := -200; $x <= 200; $x := $x + 40)
+    for (local $x = -200; $x <= 200; $x = $x + 40)
     {
-        for (local $y := 0; $y <= 4000; $y := $y + 40)
+        for (local $y = 0; $y <= 4000; $y = $y + 40)
         {
             sphere
             {

scenes/if-test.fart

@@ -25,20 +25,20 @@ scene
         }
     }
 
-    local $m := 0
-    for (local $x := -100; $x <= 100; $x := $x + 40)
+    local $m = 0
+    for (local $x = -100; $x <= 100; $x = $x + 40)
     {
-        for (local $y := -100; $y <= 100; $y := $y + 40)
+        for (local $y = -100; $y <= 100; $y = $y + 40)
         {
             sphere
             {
                 radius 10
                 translate <$x, $y, 10>
-                if ($m % 3 = 0)
+                if ($m % 3 == 0)
                 {
                     material mat
                 }
-                elsif ($m % 3 = 1)
+                elsif ($m % 3 == 1)
                 {
                     material mat2
                 }
@@ -51,7 +51,7 @@ scene
                     }
                 }
             }
-            $m := $m + 1
+            $m = $m + 1
         }
     }
 }