Fixed the hue input calculation

mk · Jul 21, 2012 · f091460 · f091460
1 parent 6566040
commit f091460
Showing 1 changed file with 2 additions and 1 deletion.
diff --git a/framework/Source/GPUImageHueFilter.m b/framework/Source/GPUImageHueFilter.m
@@ -65,7 +65,8 @@ -(id) init {
 }
 
 -(void) setHue:(CGFloat)newHue {
-    hue = fmodf(newHue, 360.0);
+    // Convert degrees to radians for hue rotation
+    hue = fmodf(newHue, 360.0) * M_PI/180 ;
     [GPUImageOpenGLESContext useImageProcessingContext];
     [filterProgram use];
     glUniform1f(hueAdjustUniform, hue);