From f47e4cc3098741208db561f9e3b81561f3bf911f Mon Sep 17 00:00:00 2001
From: Persson-dev <sim16.prib@gmail.com>
Date: Thu, 30 Jan 2025 22:28:26 +0100
Subject: [PATCH] feat: animated background

---
 app/src/main/java/gui/AnimatedBackground.java | 28 +++++++++++++++++++
 app/src/main/java/gui/Options.java            |  1 +
 app/src/main/java/gui/menu/OptionsMenu.java   |  4 +++
 app/src/main/java/gui/menu/StateMachine.java  | 11 +++-----
 4 files changed, 37 insertions(+), 7 deletions(-)
 create mode 100644 app/src/main/java/gui/AnimatedBackground.java

diff --git a/app/src/main/java/gui/AnimatedBackground.java b/app/src/main/java/gui/AnimatedBackground.java
new file mode 100644
index 0000000..66e8698
--- /dev/null
+++ b/app/src/main/java/gui/AnimatedBackground.java
@@ -0,0 +1,28 @@
+package gui;
+
+import imgui.ImGui;
+import imgui.ImVec2;
+import imgui.flag.ImGuiWindowFlags;
+
+public class AnimatedBackground {
+
+	private float backgroundOffset = 0;
+
+	public AnimatedBackground() {
+
+	}
+
+	public void render() {
+		backgroundOffset += ImGui.getIO().getDeltaTime() / 10.0f * 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();
+	}
+
+}
diff --git a/app/src/main/java/gui/Options.java b/app/src/main/java/gui/Options.java
index ade2b66..238f60f 100644
--- a/app/src/main/java/gui/Options.java
+++ b/app/src/main/java/gui/Options.java
@@ -3,5 +3,6 @@ package gui;
 public class Options {
 
 	public static Symbols Symboles = Symbols.Numbers;
+	public static float BackgroundSpeed = 1.0f;
 
 }
diff --git a/app/src/main/java/gui/menu/OptionsMenu.java b/app/src/main/java/gui/menu/OptionsMenu.java
index 9d856c3..382ee54 100644
--- a/app/src/main/java/gui/menu/OptionsMenu.java
+++ b/app/src/main/java/gui/menu/OptionsMenu.java
@@ -8,6 +8,7 @@ import imgui.type.ImInt;
 public class OptionsMenu extends BaseView {
 
 	private ImInt currentValue = new ImInt();
+	private float backgroundSpeed[] = new float[]{Options.BackgroundSpeed};
 
 	public OptionsMenu(StateMachine stateMachine) {
 		super(stateMachine);
@@ -19,6 +20,9 @@ public class OptionsMenu extends BaseView {
 		if(ImGui.combo("Jeu de symboles", currentValue, Symbols.getSymbolsNames())){
 			Options.Symboles = Symbols.values()[currentValue.get()];
 		}
+		if(ImGui.sliderFloat("Vitesse d'animation de l'arrière plan", backgroundSpeed, 0.0f, 10.0f)){
+			Options.BackgroundSpeed = backgroundSpeed[0];
+		}
 		renderReturnButton();
 	}
 
diff --git a/app/src/main/java/gui/menu/StateMachine.java b/app/src/main/java/gui/menu/StateMachine.java
index a175362..5af733f 100644
--- a/app/src/main/java/gui/menu/StateMachine.java
+++ b/app/src/main/java/gui/menu/StateMachine.java
@@ -2,7 +2,7 @@ package gui.menu;
 
 import java.util.Stack;
 
-import gui.Images;
+import gui.AnimatedBackground;
 import imgui.ImGui;
 import imgui.ImVec2;
 import imgui.flag.ImGuiKey;
@@ -11,9 +11,11 @@ import imgui.flag.ImGuiWindowFlags;
 public class StateMachine {
 
 	private final Stack<BaseView> menus;
+	private final AnimatedBackground background;
 
 	public StateMachine() {
 		this.menus = new Stack<>();
+		this.background = new AnimatedBackground();
 	}
 
 	public void clear() {
@@ -40,12 +42,7 @@ public class StateMachine {
 
 	public void render() {
 		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(0, 0));
-		ImGui.end();
+		this.background.render();
 		ImGui.setNextWindowPos(new ImVec2(0.0f, 0.0f));
 		ImGui.setNextWindowSize(displaySize);
 		ImGui.begin("##Main Window", null, ImGuiWindowFlags.NoDecoration | ImGuiWindowFlags.NoMove