From c6d3fc8907b8b0e6e203fd9d3fc6a00078c823b0 Mon Sep 17 00:00:00 2001
From: kascade <kascade@romraider.forum>
Date: Fri, 21 Jul 2006 11:40:27 +0000
Subject: [PATCH] color scaler utility class added for determining color based
 on a scale from 0 to 1

git-svn-id: http://svn.3splooges.com/romraider-arch/trunk@162 d2e2e1cd-ba16-0410-be16-b7c4453c7c2d
---
 src/enginuity/util/ColorScaler.java | 26 ++++++++++++++++++++++++++
 1 file changed, 26 insertions(+)
 create mode 100644 src/enginuity/util/ColorScaler.java

diff --git a/src/enginuity/util/ColorScaler.java b/src/enginuity/util/ColorScaler.java
new file mode 100644
index 00000000..94fb4a4e
--- /dev/null
+++ b/src/enginuity/util/ColorScaler.java
@@ -0,0 +1,26 @@
+package enginuity.util;
+
+import java.awt.*;
+
+public final class ColorScaler {
+    private static final int MAX_COLOR_INTENSITY = 200;
+
+    private ColorScaler() {
+    }
+
+    public static Color getScaledColor(double scale) {
+        int r = (int) ((Math.cos(Math.toRadians(180 + scale * 180)) + 1) * MAX_COLOR_INTENSITY / 2) + 30;
+        int g = (int) ((Math.cos(Math.toRadians(180 + scale * 360)) + 1) * MAX_COLOR_INTENSITY / 2) + 60;
+        int b = (int) ((Math.cos(Math.toRadians(scale * 180)) + 1) * MAX_COLOR_INTENSITY / 2) + 20;
+
+        if (r > MAX_COLOR_INTENSITY) r = MAX_COLOR_INTENSITY;
+        if (g > MAX_COLOR_INTENSITY) g = MAX_COLOR_INTENSITY;
+        if (b > MAX_COLOR_INTENSITY) b = MAX_COLOR_INTENSITY;
+
+        if (r < 0) r = 0;
+        if (g < 0) g = 0;
+        if (b < 0) b = 0;
+
+        return new Color(r, g, b);
+    }
+}