Create bar with player HP

src/main/java/com/bartlomiejpluta/demo/entity/Character.java

@@ -24,6 +24,9 @@ public abstract class Character extends EntityDelegate {
 	@Getter
 	protected boolean immortal = false;
 
+	@Getter
+	protected int maxHp;
+
 	@Getter
 	protected int hp;
 

src/main/java/com/bartlomiejpluta/demo/entity/Enemy.java

@@ -31,6 +31,7 @@ public class Enemy extends Character implements NPC {
 		this.template = template;
 		name = template.getName();
 		hp = template.getHp();
+		maxHp = hp;
 		setSpeed(template.getSpeed());
 		setAnimationSpeed(template.getAnimationSpeed());
 		setBlocking(template.isBlocking());

src/main/java/com/bartlomiejpluta/demo/entity/Player.java

@@ -10,6 +10,8 @@ public class Player extends Character {
 
 	public Player(@NonNull Context context, @NonNull Entity entity) {
 		super(context, entity);
+		this.hp = 100;
+		this.maxHp = 100;
 	}
 
 	@Override

src/main/java/com/bartlomiejpluta/demo/gui/Bar.java

@@ -0,0 +1,65 @@
+package com.bartlomiejpluta.demo.gui;
+
+import lombok.*;
+
+import com.bartlomiejpluta.base.api.gui.*;
+import com.bartlomiejpluta.base.lib.gui.*;
+
+import com.bartlomiejpluta.base.api.screen.*;
+import com.bartlomiejpluta.base.api.context.Context;
+import com.bartlomiejpluta.base.api.input.*;
+
+public class Bar extends BaseComponent {
+
+	@Setter
+	private float value = 1.0f;
+	private float actualValue = 1.0f;
+	private float speed = 0.05f;
+	private final Color stroke;
+	private final Color fill;
+
+	public Bar(Context context, GUI gui) {
+		super(context, gui);
+
+		this.stroke = gui.createColor();
+		this.fill = gui.createColor();
+
+		stroke.setAlpha(1f);
+		fill.setAlpha(1f);
+	}
+
+	public void setStrokeColor(Integer hex) {
+		stroke.setRGB(hex);
+	}
+
+	public void setFillColor(Integer hex) {
+		fill.setRGB(hex);
+	}
+
+	@Override
+	public float getContentWidth() {
+		return width;
+	}
+
+	@Override
+	public float getContentHeight() {
+		return height;
+	}
+
+	@Override
+	public void draw(Screen screen, GUI gui) {
+		var remainingDistance = value - actualValue;
+		actualValue += remainingDistance * speed;
+
+		gui.beginPath();
+		gui.drawRectangle(x, y, Math.max(width * actualValue, 0), height);
+		gui.setFillColor(fill);
+		gui.fill();
+		gui.closePath();
+		gui.beginPath();
+		gui.drawRectangle(x, y, width, height);
+		gui.setStrokeColor(stroke);
+		gui.stroke();
+		gui.closePath();
+	}
+}

src/main/java/com/bartlomiejpluta/demo/gui/HUD.java

@@ -26,6 +26,9 @@ public class HUD extends BorderLayout {
 
 	private float logVisibilityDuration = 0f;
 
+	@Ref("hp")
+	private Bar hp;
+
 	@Ref("debug")
 	private Label debugLbl;
 
@@ -60,6 +63,8 @@ public class HUD extends BorderLayout {
 	public void update(float dt) {
 		super.update(dt);
 
+		hp.setValue((float) player.getHp() / (float) player.getMaxHp());
+
 		if(logVisibilityDuration > 0) {
 			logVisibilityDuration -= dt * 1000;
 		} else {