refactor: move classes

app/src/main/java/gui/widget/AnimatedBackground.java

@@ -0,0 +1,32 @@
+package gui.widget;
+
+import gui.constants.Images;
+import gui.constants.Options;
+import imgui.ImGui;
+import imgui.ImVec2;
+import imgui.flag.ImGuiWindowFlags;
+
+public class AnimatedBackground {
+
+	private float backgroundOffset = 0;
+
+	private static final float defaultSpeed = 0.05f;
+
+	public AnimatedBackground() {
+
+	}
+
+	public void render() {
+		backgroundOffset += ImGui.getIO().getDeltaTime() * defaultSpeed * Options.BackgroundSpeed;
+		var displaySize = ImGui.getIO().getDisplaySize();
+		ImGui.setNextWindowPos(new ImVec2(0.0f, 0.0f));
+		ImGui.setNextWindowSize(displaySize);
+		ImGui.begin("Background", null, ImGuiWindowFlags.NoDecoration | ImGuiWindowFlags.NoMove
+				| ImGuiWindowFlags.NoSavedSettings | ImGuiWindowFlags.NoBackground
+				| ImGuiWindowFlags.NoBringToFrontOnFocus | ImGuiWindowFlags.NoInputs);
+		ImGui.image(Images.BACKGROUND, displaySize, new ImVec2(backgroundOffset, backgroundOffset),
+				new ImVec2(1.0f + backgroundOffset, 1.0f + backgroundOffset));
+		ImGui.end();
+	}
+
+}

app/src/main/java/gui/widget/SudokuRenderer.java

@@ -9,11 +9,11 @@ import java.util.Set;
 import common.ConsumerSignal;
 import common.Signal;
 import gui.ColorGenerator;
-import gui.Fonts;
-import gui.Options;
-import gui.RenderableMultidoku;
-import gui.Symbols;
 import gui.ColorGenerator.Color;
+import gui.RenderableMultidoku;
+import gui.constants.Fonts;
+import gui.constants.Options;
+import gui.constants.Symbols;
 import imgui.ImGui;
 import imgui.ImVec2;
 import imgui.ImVec4;

app/src/main/java/gui/widget/SudokuSelector.java

@@ -4,7 +4,7 @@ import java.util.ArrayList;
 import java.util.List;
 
 import common.ConsumerSignal;
-import gui.SudokuType;
+import gui.constants.SudokuType;
 import imgui.ImGui;
 import imgui.extension.imguifiledialog.ImGuiFileDialog;
 import imgui.extension.imguifiledialog.flag.ImGuiFileDialogFlags;