before candybox editor update

Plugins/CandyboxPlugin/Recipe/ColorHeatMap.cs

@@ -0,0 +1,63 @@
+namespace CandyboxPlugin.Recipe
+{
+    public class ColorHeatMap
+    {
+        public ColorHeatMap()
+        {
+            initColorsBlocks();
+        }
+
+        public ColorHeatMap(byte alpha)
+        {
+            Alpha = alpha;
+            initColorsBlocks();
+        }
+
+        private void initColorsBlocks()
+        {
+            ColorsOfMap.AddRange(new Color[]
+            {
+                Color.FromArgb(Alpha, Color.PaleVioletRed),
+                Color.FromArgb(Alpha, Color.Yellow),
+                Color.FromArgb(Alpha, Color.GreenYellow),
+               
+            });
+        }
+
+        public Color GetColorForValue(double val, double maxVal)
+        {
+            double valPerc = val / maxVal; // value%
+            double colorPerc = 1d / (ColorsOfMap.Count-1); // % of each block of color. the last is the "100% Color"
+            double blockOfColor = valPerc / colorPerc; // the integer part repersents how many block to skip
+            int blockIdx = (int) Math.Truncate(blockOfColor); // Idx of 
+            double valPercResidual = valPerc - blockIdx * colorPerc; //remove the part represented of block 
+            double percOfColor = valPercResidual / colorPerc; // % of color of this block that will be filled
+
+            Color cTarget = ColorsOfMap[blockIdx];
+            if (blockIdx == ColorsOfMap.Count-1) return cTarget;
+            Color cNext = cNext = ColorsOfMap[blockIdx + 1];
+
+            var deltaR = cNext.R - cTarget.R;
+            var deltaG = cNext.G - cTarget.G;
+            var deltaB = cNext.B - cTarget.B;
+
+            var R = cTarget.R + deltaR * valPercResidual;
+            var G = cTarget.G + deltaG * valPercResidual;
+            var B = cTarget.B + deltaB * valPercResidual;
+
+            Color c = ColorsOfMap[0];
+            try
+            {
+                c = Color.FromArgb(Alpha, (byte) R, (byte) G, (byte) B);
+            }
+            catch (Exception ex)
+            {
+            }
+
+            return c;
+        }
+
+        public byte Alpha = 0xff;
+        public List<Color> ColorsOfMap = new List<Color>();
+    }
+}