Added a progressbar class

src/ei/engine/effects/ProgressBar.java

@@ -0,0 +1,77 @@
+package ei.engine.effects;
+
+import ei.engine.math.Vector2f;
+import ei.engine.math.Vector4f;
+import ei.engine.scene.Box;
+import ei.engine.scene.Node;
+import ei.engine.scene.Sprite;
+import ei.engine.texture.Texture;
+
+public class ProgressBar{
+	private Node progressNode;
+	private Sprite value;
+	private Box bar;
+	private int max;
+	private float width;
+	private float height;
+	
+	/**
+	 * Creates a selection box with health bar
+	 * 
+	 * @param x The size of the progressbar
+	 * @param y The size of the progressbar
+	 * @param max The max health of the object
+	 */
+	public ProgressBar(String name, float x, float y, int max){
+		this.max = max;
+		this.width = x;
+		this.height = y;
+		progressNode = new Node(name+"Node");
+		
+		Texture tex = new Texture();
+		tex.setColor(new Vector4f(0.5f, 1.0f, 0.5f,1));
+
+		Texture tex2 = new Texture();
+		tex2.setColor(new Vector4f(0.3f, 1.0f, 0.3f, 0.6f));
+				
+		value = new Sprite(name+"_Value",tex2);
+		value.setSize(new Vector2f(width,height));
+		value.setLocation(new Vector2f(0,-50));
+		progressNode.add(value);
+		
+		bar = new Box(name+"_Bar",tex);
+		bar.setSize(new Vector2f(width,height));
+		bar.setLocation(new Vector2f());
+		progressNode.add(bar);
+				
+	}
+	
+	public void setBarColor(Vector4f c){
+		bar.getTexture().setColor(c);
+	}
+	
+	public Node getNode(){
+		return progressNode;
+	}
+	
+	/**
+	 * Sets the value of the health bar
+	 * 
+	 * @param v The value of the health bar
+	 */
+	public void setValue(int v){
+		value.setSize(new Vector2f(((float)v/max)*width,height));//(v/max)*width
+		value.setLocation(new Vector2f(-width/2+(((float)v/max)*width)/2,0));
+		
+		if(((float)v/max) < 0.15f){
+			value.getTexture().setColor(new Vector4f(1.0f, 0f, 0f, 0.6f));
+		}
+		else if(((float)v/max) < 0.50f){
+			value.getTexture().setColor(new Vector4f(1.0f, .95f, 0, 0.6f));
+		}
+		else{
+			value.getTexture().setColor(new Vector4f(0.3f, 1.0f, 0.3f, 0.6f));
+		}
+	}
+
+}