Add some of the Easter Particles

2025-03-03 09:35:42 +01:00
parent 85c0db873c
commit 0a60654a28
16 changed files with 251 additions and 36 deletions
@@ -0,0 +1,53 @@
+/*
+ * This file is a part of the SteamWar software.
+ *
+ * Copyright (C) 2020  SteamWar.de-Serverteam
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU Affero General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU Affero General Public License for more details.
+ *
+ * You should have received a copy of the GNU Affero General Public License
+ * along with this program.  If not, see <https://www.gnu.org/licenses/>.
+ */
+
+package de.steamwar.lobby.particle;
+
+import java.awt.*;
+import java.util.Arrays;
+import java.util.List;
+
+public class Gradient {
+
+    private List<Color> colors;
+
+    public Gradient(Color... colors) {
+        this.colors = Arrays.asList(colors);
+    }
+
+    public Color getColor(double value, double maxValue) {
+        value /= maxValue / (double) (colors.size() - 1);
+
+        return lerpColor(
+                colors.get((int) value),
+                colors.get((int) value + 1),
+                value - (int) value,
+                1);
+    }
+
+    private Color lerpColor(Color start, Color end, double step, double maxStep) {
+        double rStep = (end.getRed() - start.getRed()) / maxStep;
+        double gStep = (end.getGreen() - start.getGreen()) / maxStep;
+        double bStep = (end.getBlue() - start.getBlue()) / maxStep;
+
+        return new Color(start.getRed() + (int) (rStep * step),
+                start.getGreen() + (int) (gStep * step),
+                start.getBlue() + (int) (bStep * step));
+    }
+}