Optimize visual effect

Ninputer · Dec 29, 2011 · 51ff437 · 51ff437
1 parent ffbcdd9
commit 51ff437
Showing 1 changed file with 7 additions and 2 deletions.
diff --git a/AMPDemo/MandelbrotViewer/mandelbrot.cpp b/AMPDemo/MandelbrotViewer/mandelbrot.cpp
@@ -89,10 +89,15 @@ void generate_mandelbrot(
 		}
 		while((length_sqr < _F(4.0)) && (count < max_iter));
 
-		float h = sqrt(sin(count * 0.003067962f));
+		float normalc = count / 512.0f;
+		float h = sqrt(1.0f - 1.0f / (normalc + 1.0f));
+
+		//float h = sqrt(fabs(sin(count * 0.003067962f)));;
 		//float h = (float)count / 1024; //* 0.001953125f;
 		//h = 1.8f * fabs(0.5f - h + floor(h)) + 0.1f;
+
+		float bfactor = count >= max_iter ? 0.0f : 1.0f;
 
-		result[i] = set_hsb(h, 0.7f, (1.0f - h * h * 0.833333f));
+		result[i] = set_hsb(h, 0.7f, (1.0f - h * h * 0.833333f) * bfactor);
 	});
 }