Added fade effect

src/ei/engine/math/Vector4f.java

@@ -0,0 +1,132 @@
+package ei.engine.math;
+
+/**
+ * This class holds 3 float values 
+ * 
+ * @author Ziver
+ */
+
+public class Vector4f {
+	private float r;
+	private float g;
+	private float b;
+	private float a;
+	
+	/**
+	 * Creates a vector whit the value zero
+	 */
+	public Vector4f(){
+		this(0,0,0,0);
+	}
+	
+	/**
+	 * Creates a Vector by the given values
+	 * 
+	 * @param r The r value
+	 * @param g The g value
+	 * @param b The b value
+	 * @param a The a value
+	 */
+	public Vector4f(float r, float g, float b, float a){
+		this.r = r;
+		this.g = g;
+		this.b = b;
+		this.a = a;
+	}
+	
+	/**
+	 * Get the R value
+	 * 
+	 * @return the r value in the vector
+	 */
+	public float getR(){
+		return r;
+	}
+	
+	/**
+	 * Get the G value
+	 * 
+	 * @return the g value in the vector
+	 */
+	public float getG(){
+		return g;
+	}
+	
+	/**
+	 * Get the B value
+	 * 
+	 * @return the b value in the vector
+	 */
+	public float getB(){
+		return b;
+	}
+	
+	/**
+	 * Get the A value
+	 * 
+	 * @return the a value in the vector
+	 */
+	public float getA(){
+		return a;
+	}
+	
+	/**
+	 * Set the A value
+	 * 
+	 * param the a value in the vector
+	 */
+	public void setA(float a){
+		this.a = a;
+	}
+	
+	/**
+	 * Add to the vector
+	 * 
+	 * @param i The amount to add
+	 */
+	public void add(float i){
+		r += i;
+		g += i;
+		b += i;
+	}
+	
+	/**
+	 * Add to the vector
+	 * 
+	 * @param i The amount to add
+	 */
+	public void add(Vector4f i){
+		r += i.getR();
+		g += i.getG();
+		b += i.getB();
+		a += i.getA();
+	}
+	
+	/**
+	 * Add to the vector
+	 * 
+	 * @param r The value to add to the r value
+	 * @param g The value to add to the g value
+	 * @param b The value to add to the b value
+	 * @param a The value to add to the a value
+	 */
+	public void add(float r, float g, float b, float a){
+		this.r += r;
+		this.g += g;
+		this.b += b;
+		this.a += a;
+	}
+	
+	/**
+	 * Returns a copy of this vector
+	 * 
+	 * @return A copy of this vector
+	 */
+	public Vector4f getCopy(){
+		return new Vector4f(r,g,b,a);
+	}
+	
+	public String toString(){
+		return "Vector4f["+r+","+g+","+b+","+a+"]";
+	}
+}