HorizontalProgressBar.java now can be filled left to right or the other way

shaders/StylishShaders/HorizontalProgressBar.glsl

@@ -0,0 +1,31 @@
+#version 410
+
+in vec4 color;
+in vec2 fragCoord;
+
+out vec4 FragColor;
+
+uniform float time;
+uniform float fill;
+uniform bool leftToRight;
+
+void main()
+{
+    if (leftToRight){
+        if (fill > fragCoord.x){
+            FragColor = color;
+        }
+        else {
+            FragColor = vec4(color.xyz, 0f);
+        }
+    } else {
+        if (fill < fragCoord.x){
+            FragColor = color;
+        }
+        else {
+            FragColor = vec4(color.xyz, 0f);
+        }
+    }
+
+
+}

shaders/StylishShaders/ProgressBarFrag.glsl

@@ -1,21 +0,0 @@
-#version 410
-
-in vec4 color;
-in vec2 fragCoord;
-
-out vec4 FragColor;
-
-uniform float time;
-uniform float fill;
-
-void main()
-{
-    if (fill > fragCoord.x){
-        FragColor = color;
-    }
-    else {
-        FragColor = vec4(color.xyz, 0f);
-    }
-
-
-}

src/engine/TestEngine.java

@@ -4,11 +4,9 @@ import engine.gui.UIElement;
 import engine.gui.UIElementText;
 import engine.input.*;
 import engine.math.Vector3f;
-import engine.object.Hitbox;
 import engine.object.ObjectGl;
-import engine.object.ProgressBar;
+import engine.object.HorizontalProgressBar;
 import engine.object.Sprite;
-import engine.sound.*;
 
 import java.util.ArrayList;
 import java.util.List;
@@ -83,7 +81,7 @@ public class TestEngine {
         UIElementText uiTextCoordP1 = new UIElementText("Boulevard Combattant", 7.0f, 0.0f,0.05f, 25.0f, engine);
         engine.add_uiElement(uiTextCoordP1);
 
-        ProgressBar healthP1 = new ProgressBar(50f, 10, 1, 100, 100, 100);
+        HorizontalProgressBar healthP1 = new HorizontalProgressBar(50f, 10, 1, 100, 100, 100, false);
         UIElement healthP1UI = new UIElement(healthP1, 0f, 1f, engine);
         engine.add_uiElement(healthP1UI);
         float hpCurrent = 100;
@@ -162,11 +160,11 @@ public class TestEngine {
                 frame = 0;
             }
 
-            while (!nextFrame) {
+//            while (!nextFrame) {
-                nextFrame = System.currentTimeMillis() - lastFrame >= 16.66f;
+//                nextFrame = System.currentTimeMillis() - lastFrame >= 16.66f;
-            }
+//            }
 
-            hpCurrent -= 1;
+            hpCurrent -= 0.01;
             healthP1.setCurrent(hpCurrent);
 
             nextFrame = false;

src/engine/object/HorizontalProgressBar.java

@@ -4,16 +4,18 @@ import engine.math.Vector3f;
 
 import static org.lwjgl.glfw.GLFW.glfwGetTime;
 
-public class ProgressBar extends ObjectGl{
+public class HorizontalProgressBar extends ObjectGl{
 
     private float max;
     private float current;
+    private int leftToRight;
 
-    public ProgressBar(float z, float w, float h, float size, float current, float max) {
+    public HorizontalProgressBar(float z, float w, float h, float size, float current, float max, boolean leftToRight) {
         super(z, w, h, size, null, new Vector3f(0f, 1f, 0f));
-        this.current = current;
         this.max = max;
-        this.setShader("shaders/StylishShaders/BasicNoTexVert.glsl", "shaders/StylishShaders/ProgressBarFrag.glsl");
+        this.current = current;
+        this.leftToRight = leftToRight ? 1 : 0;
+        this.setShader("shaders/StylishShaders/BasicNoTexVert.glsl", "shaders/StylishShaders/HorizontalProgressBar.glsl");
     }
 
     public void setCurrent(float newCurrent){
@@ -32,7 +34,14 @@ public class ProgressBar extends ObjectGl{
         this.shader.enable();
 
         if (this.useTime) this.shader.setUniform1f("time", (float) glfwGetTime());
-        this.shader.setUniform1f("fill", (this.current / this.max) * this.getWidth());
+
+        if (this.leftToRight == 1){
+            this.shader.setUniform1f("fill", (this.current / this.max) * this.getWidth());
+        } else {
+            this.shader.setUniform1f("fill", Math.abs(((this.current / this.max) * this.getWidth()) - this.getWidth()));
+        }
+
+        this.shader.setUniform1i("leftToRight", this.leftToRight);
 
         this.shader.setUniformMat4f("projection", projection);
         this.shader.setUniformMat4f("view", view);