diff --git a/src/mightypork/gamecore/gui/components/InputComponent.java b/src/mightypork/gamecore/gui/components/InputComponent.java
index 37e55d3..8efae9d 100644
--- a/src/mightypork/gamecore/gui/components/InputComponent.java
+++ b/src/mightypork/gamecore/gui/components/InputComponent.java
@@ -33,11 +33,7 @@ public abstract class InputComponent extends VisualComponent implements Enableab
 		return enabled;
 	}
 	
-	
-	@Override
-	public abstract void renderComponent();
-	
 	protected void triggerAction() {
-		action.run();
+		if(action != null) action.run();
 	}
 }
diff --git a/src/mightypork/gamecore/gui/components/LayoutComponent.java b/src/mightypork/gamecore/gui/components/LayoutComponent.java
index 12e2eba..5db04e1 100644
--- a/src/mightypork/gamecore/gui/components/LayoutComponent.java
+++ b/src/mightypork/gamecore/gui/components/LayoutComponent.java
@@ -26,6 +26,7 @@ public abstract class LayoutComponent extends VisualComponent implements Enablea
 	public LayoutComponent(AppAccess app, RectBound context) {
 		this.subModule = new AppSubModule(app);
 		setRect(context);
+		enableCaching(true); // layout is typically updated only when screen resizes.
 	}
 	
 	
diff --git a/src/mightypork/gamecore/gui/components/VisualComponent.java b/src/mightypork/gamecore/gui/components/VisualComponent.java
index 6d19dd7..8e0136c 100644
--- a/src/mightypork/gamecore/gui/components/VisualComponent.java
+++ b/src/mightypork/gamecore/gui/components/VisualComponent.java
@@ -23,6 +23,7 @@ public abstract class VisualComponent extends AbstractRectCache implements Compo
 	
 	public VisualComponent() {
 		super();
+		enableCaching(false);
 	}
 	
 	
@@ -87,7 +88,7 @@ public abstract class VisualComponent extends AbstractRectCache implements Compo
 	/**
 	 * Draw the component (it's visible)
 	 */
-	public abstract void renderComponent();
+	protected abstract void renderComponent();
 	
 	
 	@Override
diff --git a/src/mightypork/gamecore/gui/components/painters/QuadPainter.java b/src/mightypork/gamecore/gui/components/painters/QuadPainter.java
index 7ad8578..045b6e5 100644
--- a/src/mightypork/gamecore/gui/components/painters/QuadPainter.java
+++ b/src/mightypork/gamecore/gui/components/painters/QuadPainter.java
@@ -4,7 +4,7 @@ package mightypork.gamecore.gui.components.painters;
 import mightypork.gamecore.gui.components.VisualComponent;
 import mightypork.gamecore.render.Render;
 import mightypork.utils.annotations.FactoryMethod;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 
 
 /**
@@ -15,22 +15,22 @@ import mightypork.utils.math.color.RGB;
 public class QuadPainter extends VisualComponent {
 	
 	@FactoryMethod
-	public static QuadPainter gradH(RGB colorLeft, RGB colorRight)
+	public static QuadPainter gradH(Color colorLeft, Color colorRight)
 	{
 		return new QuadPainter(colorLeft, colorRight, colorRight, colorLeft);
 	}
 	
 	
 	@FactoryMethod
-	public static QuadPainter gradV(RGB colorTop, RGB colorBottom)
+	public static QuadPainter gradV(Color colorTop, Color colorBottom)
 	{
 		return new QuadPainter(colorTop, colorTop, colorBottom, colorBottom);
 	}
 	
-	private final RGB colorHMinVMin;
-	private final RGB colorHMaxVMin;
-	private final RGB colorHMaxVMax;
-	private final RGB colorHMinVMax;
+	private final Color colorHMinVMin;
+	private final Color colorHMaxVMin;
+	private final Color colorHMaxVMax;
+	private final Color colorHMinVMax;
 	
 	
 	/**
@@ -38,7 +38,7 @@ public class QuadPainter extends VisualComponent {
 	 * 
 	 * @param color
 	 */
-	public QuadPainter(RGB color) {
+	public QuadPainter(Color color) {
 		this.colorHMinVMin = color;
 		this.colorHMaxVMin = color;
 		this.colorHMaxVMax = color;
@@ -54,7 +54,7 @@ public class QuadPainter extends VisualComponent {
 	 * @param colorHMaxVMax
 	 * @param colorHMinVMax
 	 */
-	public QuadPainter(RGB colorHMinVMin, RGB colorHMaxVMin, RGB colorHMaxVMax, RGB colorHMinVMax) {
+	public QuadPainter(Color colorHMinVMin, Color colorHMaxVMin, Color colorHMaxVMax, Color colorHMinVMax) {
 		this.colorHMinVMin = colorHMinVMin;
 		this.colorHMaxVMin = colorHMaxVMin;
 		this.colorHMaxVMax = colorHMaxVMax;
diff --git a/src/mightypork/gamecore/gui/components/painters/TextPainter.java b/src/mightypork/gamecore/gui/components/painters/TextPainter.java
index db454da..7dac3b9 100644
--- a/src/mightypork/gamecore/gui/components/painters/TextPainter.java
+++ b/src/mightypork/gamecore/gui/components/painters/TextPainter.java
@@ -5,7 +5,7 @@ import mightypork.gamecore.gui.AlignX;
 import mightypork.gamecore.gui.components.VisualComponent;
 import mightypork.gamecore.render.fonts.FontRenderer;
 import mightypork.gamecore.render.fonts.GLFont;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.rect.Rect;
 import mightypork.utils.math.constraints.vect.Vect;
 import mightypork.utils.string.StringProvider;
@@ -22,12 +22,12 @@ import mightypork.utils.string.StringProvider.StringWrapper;
 public class TextPainter extends VisualComponent {
 	
 	private final FontRenderer font;
-	private RGB color;
+	private Color color;
 	private AlignX align;
 	private StringProvider text;
 	private boolean shadow;
 	
-	private RGB shadowColor = RGB.BLACK;
+	private Color shadowColor = Color.BLACK;
 	private Vect shadowOffset = Vect.make(1, 1);
 	
 	
@@ -35,7 +35,7 @@ public class TextPainter extends VisualComponent {
 	 * @param font font to use
 	 */
 	public TextPainter(GLFont font) {
-		this(font, AlignX.LEFT, RGB.WHITE);
+		this(font, AlignX.LEFT, Color.WHITE);
 	}
 	
 	
@@ -47,7 +47,7 @@ public class TextPainter extends VisualComponent {
 	 * @param color default color
 	 * @param text drawn text
 	 */
-	public TextPainter(GLFont font, AlignX align, RGB color, String text) {
+	public TextPainter(GLFont font, AlignX align, Color color, String text) {
 		this(font, align, color, new StringWrapper(text));
 	}
 	
@@ -60,7 +60,7 @@ public class TextPainter extends VisualComponent {
 	 * @param color default color
 	 * @param text text provider
 	 */
-	public TextPainter(GLFont font, AlignX align, RGB color, StringProvider text) {
+	public TextPainter(GLFont font, AlignX align, Color color, StringProvider text) {
 		this.font = new FontRenderer(font);
 		this.color = color;
 		this.align = align;
@@ -73,7 +73,7 @@ public class TextPainter extends VisualComponent {
 	 * @param align text align
 	 * @param color default color
 	 */
-	public TextPainter(GLFont font, AlignX align, RGB color) {
+	public TextPainter(GLFont font, AlignX align, Color color) {
 		this(font, align, color, (StringProvider) null);
 	}
 	
@@ -93,7 +93,7 @@ public class TextPainter extends VisualComponent {
 	}
 	
 	
-	public void setShadow(RGB color, Vect offset)
+	public void setShadow(Color color, Vect offset)
 	{
 		setShadow(true);
 		setShadowColor(color);
@@ -107,7 +107,7 @@ public class TextPainter extends VisualComponent {
 	}
 	
 	
-	public void setShadowColor(RGB shadowColor)
+	public void setShadowColor(Color shadowColor)
 	{
 		this.shadowColor = shadowColor;
 	}
@@ -119,7 +119,7 @@ public class TextPainter extends VisualComponent {
 	}
 	
 	
-	public void setColor(RGB color)
+	public void setColor(Color color)
 	{
 		this.color = color;
 	}
diff --git a/src/mightypork/gamecore/render/Render.java b/src/mightypork/gamecore/render/Render.java
index 249ebf8..0c1854e 100644
--- a/src/mightypork/gamecore/render/Render.java
+++ b/src/mightypork/gamecore/render/Render.java
@@ -8,7 +8,7 @@ import java.io.IOException;
 import mightypork.gamecore.render.textures.TxQuad;
 import mightypork.utils.files.FileUtils;
 import mightypork.utils.logging.Log;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.rect.Rect;
 import mightypork.utils.math.constraints.rect.caching.RectDigest;
 import mightypork.utils.math.constraints.vect.Vect;
@@ -36,23 +36,23 @@ public class Render {
 	/**
 	 * Bind GL color
 	 * 
-	 * @param color RGB color
+	 * @param color Color color
 	 */
-	public static void setColor(RGB color)
+	public static void setColor(Color color)
 	{
-		if (color != null) glColor4d(color.r, color.g, color.b, color.a);
+		if (color != null) glColor4d(color.red(), color.green(), color.blue(), color.alpha());
 	}
 	
 	
 	/**
 	 * Bind GL color
 	 * 
-	 * @param color RGB color
+	 * @param color Color color
 	 * @param alpha alpha multiplier
 	 */
-	public static void setColor(RGB color, double alpha)
+	public static void setColor(Color color, double alpha)
 	{
-		if (color != null) glColor4d(color.r, color.g, color.b, color.a * alpha);
+		if (color != null) glColor4d(color.red(), color.green(), color.blue(), color.alpha() * alpha);
 	}
 	
 	
@@ -348,7 +348,7 @@ public class Render {
 	 * @param rect rectangle
 	 * @param color draw color
 	 */
-	public static void quad(Rect rect, RGB color)
+	public static void quad(Rect rect, Color color)
 	{
 		setColor(color);
 		quad(rect);
@@ -425,7 +425,7 @@ public class Render {
 	 * @param color1 left color
 	 * @param color2 right color
 	 */
-	public static void quadGradH(Rect quad, RGB color1, RGB color2)
+	public static void quadGradH(Rect quad, Color color1, Color color2)
 	{
 		quadColor(quad, color1, color2, color2, color1);
 	}
@@ -440,7 +440,7 @@ public class Render {
 	 * @param colorHMaxVMax
 	 * @param colorHMinVMax
 	 */
-	public static void quadColor(Rect quad, RGB colorHMinVMin, RGB colorHMaxVMin, RGB colorHMaxVMax, RGB colorHMinVMax)
+	public static void quadColor(Rect quad, Color colorHMinVMin, Color colorHMaxVMin, Color colorHMaxVMax, Color colorHMinVMax)
 	{
 		final RectDigest r = quad.digest();
 		
@@ -470,7 +470,7 @@ public class Render {
 	 * @param color1 top color
 	 * @param color2 bottom color
 	 */
-	public static void quadGradV(Rect quad, RGB color1, RGB color2)
+	public static void quadGradV(Rect quad, Color color1, Color color2)
 	{
 		quadColor(quad, color1, color1, color2, color2);
 	}
@@ -484,7 +484,7 @@ public class Render {
 	 * @param texture texture instance
 	 * @param tint color tint
 	 */
-	public static void quadTextured(Rect quad, Rect uvs, Texture texture, RGB tint)
+	public static void quadTextured(Rect quad, Rect uvs, Texture texture, Color tint)
 	{
 		bindTexture(texture);
 		setColor(tint);
@@ -502,7 +502,7 @@ public class Render {
 	 */
 	public static void quadTextured(Rect quad, Rect uvs, Texture texture)
 	{
-		quadTextured(quad, uvs, texture, RGB.WHITE);
+		quadTextured(quad, uvs, texture, Color.WHITE);
 	}
 	
 	
@@ -514,7 +514,7 @@ public class Render {
 	 */
 	public static void quadTextured(Rect quad, Texture texture)
 	{
-		quadTextured(quad, Rect.ONE, texture, RGB.WHITE);
+		quadTextured(quad, Rect.ONE, texture, Color.WHITE);
 	}
 	
 	
@@ -526,7 +526,7 @@ public class Render {
 	 */
 	public static void quadTextured(Rect quad, TxQuad txquad)
 	{
-		quadTextured(quad, txquad, RGB.WHITE);
+		quadTextured(quad, txquad, Color.WHITE);
 	}
 	
 	
@@ -537,7 +537,7 @@ public class Render {
 	 * @param txquad texture instance
 	 * @param tint color tint
 	 */
-	public static void quadTextured(Rect quad, TxQuad txquad, RGB tint)
+	public static void quadTextured(Rect quad, TxQuad txquad, Color tint)
 	{
 		quadTextured(quad, txquad.uvs, txquad.tx, tint);
 	}
diff --git a/src/mightypork/gamecore/render/fonts/FontBank.java b/src/mightypork/gamecore/render/fonts/FontBank.java
index c7b9cab..6ba7a7d 100644
--- a/src/mightypork/gamecore/render/fonts/FontBank.java
+++ b/src/mightypork/gamecore/render/fonts/FontBank.java
@@ -7,8 +7,6 @@ import mightypork.gamecore.control.AppAccess;
 import mightypork.gamecore.control.AppAdapter;
 import mightypork.gamecore.control.bus.events.ResourceLoadRequest;
 import mightypork.gamecore.render.fonts.impl.DeferredFont;
-import mightypork.gamecore.render.fonts.impl.NullFont;
-import mightypork.utils.logging.Log;
 
 import org.newdawn.slick.opengl.Texture;
 
@@ -18,10 +16,7 @@ import org.newdawn.slick.opengl.Texture;
  * 
  * @author MightyPork
  */
-public class FontBank extends AppAdapter {
-	
-	private static final GLFont NULL_FONT = new NullFont();
-	
+public class FontBank extends AppAdapter {	
 	
 	/**
 	 * @param app app access
@@ -31,6 +26,7 @@ public class FontBank extends AppAdapter {
 	}
 	
 	private final HashMap<String, GLFont> fonts = new HashMap<>();
+	private final HashMap<String, String> aliases = new HashMap<>();
 	
 	
 	/**
@@ -57,6 +53,17 @@ public class FontBank extends AppAdapter {
 	{
 		fonts.put(key, font);
 	}
+
+	/**
+	 * Add a font alias.
+	 * 
+	 * @param alias_key alias key
+	 * @param font_key font key
+	 */
+	public void addAlias(String alias_key, String font_key)
+	{
+		aliases.put(alias_key, font_key);
+	}
 	
 	
 	/**
@@ -67,11 +74,12 @@ public class FontBank extends AppAdapter {
 	 */
 	public GLFont getFont(String key)
 	{
-		final GLFont f = fonts.get(key);
+		GLFont f = fonts.get(key);
+		
+		if(f == null) f = fonts.get(aliases.get(key));
 		
-		if (f == null) {
-			Log.w("There's no font called " + key + "!");
-			return NULL_FONT;
+		if (f == null) {			
+			throw new RuntimeException("There's no font called " + key + "!");
 		}
 		
 		return f;
diff --git a/src/mightypork/gamecore/render/fonts/FontRenderer.java b/src/mightypork/gamecore/render/fonts/FontRenderer.java
index d7ca285..4905cfd 100644
--- a/src/mightypork/gamecore/render/fonts/FontRenderer.java
+++ b/src/mightypork/gamecore/render/fonts/FontRenderer.java
@@ -3,7 +3,7 @@ package mightypork.gamecore.render.fonts;
 
 import mightypork.gamecore.gui.AlignX;
 import mightypork.gamecore.render.Render;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.rect.Rect;
 import mightypork.utils.math.constraints.vect.Vect;
 
@@ -17,14 +17,14 @@ public class FontRenderer {
 	
 	private GLFont font;
 	
-	private RGB color;
+	private Color color;
 	
 	
 	/**
 	 * @param font used font
 	 */
 	public FontRenderer(GLFont font) {
-		this(font, RGB.WHITE);
+		this(font, Color.WHITE);
 	}
 	
 	
@@ -32,7 +32,7 @@ public class FontRenderer {
 	 * @param font used font
 	 * @param color drawing color
 	 */
-	public FontRenderer(GLFont font, RGB color) {
+	public FontRenderer(GLFont font, Color color) {
 		this.font = font;
 		this.color = color;
 	}
@@ -86,7 +86,7 @@ public class FontRenderer {
 	 * 
 	 * @param color color
 	 */
-	public void setColor(RGB color)
+	public void setColor(Color color)
 	{
 		this.color = color;
 	}
@@ -100,7 +100,7 @@ public class FontRenderer {
 	 * @param height drawing height
 	 * @param color drawing color
 	 */
-	public void draw(String text, Vect pos, double height, RGB color)
+	public void draw(String text, Vect pos, double height, Color color)
 	{
 		Render.pushMatrix();
 		
@@ -136,7 +136,7 @@ public class FontRenderer {
 	 * @param align horizontal alignment (with respect to bounds)
 	 * @param color drawing color
 	 */
-	public void draw(String text, Rect bounds, AlignX align, RGB color)
+	public void draw(String text, Rect bounds, AlignX align, Color color)
 	{
 		Vect start;
 		
@@ -182,7 +182,7 @@ public class FontRenderer {
 	 * @param align horizontal alignment
 	 * @param color drawing color
 	 */
-	public void draw(String text, Vect pos, double height, AlignX align, RGB color)
+	public void draw(String text, Vect pos, double height, AlignX align, Color color)
 	{
 		
 		final double w = getWidth(text, height);
diff --git a/src/mightypork/gamecore/render/fonts/GLFont.java b/src/mightypork/gamecore/render/fonts/GLFont.java
index 97c4b3a..a5fb428 100644
--- a/src/mightypork/gamecore/render/fonts/GLFont.java
+++ b/src/mightypork/gamecore/render/fonts/GLFont.java
@@ -1,7 +1,7 @@
 package mightypork.gamecore.render.fonts;
 
 
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.vect.Vect;
 
 
@@ -18,7 +18,7 @@ public interface GLFont {
 	 * @param text text to draw
 	 * @param color draw color
 	 */
-	void draw(String text, RGB color);
+	void draw(String text, Color color);
 	
 	
 	/**
diff --git a/src/mightypork/gamecore/render/fonts/impl/CachedFont.java b/src/mightypork/gamecore/render/fonts/impl/CachedFont.java
index a2102bd..f2f8705 100644
--- a/src/mightypork/gamecore/render/fonts/impl/CachedFont.java
+++ b/src/mightypork/gamecore/render/fonts/impl/CachedFont.java
@@ -3,7 +3,6 @@ package mightypork.gamecore.render.fonts.impl;
 
 import static org.lwjgl.opengl.GL11.*;
 
-import java.awt.Color;
 import java.awt.FontMetrics;
 import java.awt.Graphics2D;
 import java.awt.RenderingHints;
@@ -22,7 +21,7 @@ import java.util.Map;
 import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.gamecore.render.textures.FilterMode;
 import mightypork.utils.logging.Log;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.vect.Vect;
 import mightypork.utils.math.constraints.vect.VectConst;
 
@@ -141,7 +140,7 @@ public class CachedFont implements GLFont {
 		g = (Graphics2D) fontImage.getGraphics();
 		if (antiAlias == true) g.setRenderingHint(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON);
 		g.setFont(font);
-		g.setColor(Color.WHITE);
+		g.setColor(java.awt.Color.WHITE);
 		g.drawString(String.valueOf(ch), 0, metrics.getAscent());
 		
 		return fontImage;
@@ -225,7 +224,7 @@ public class CachedFont implements GLFont {
 			BufferedImage imag = new BufferedImage(textureWidth, textureHeight, BufferedImage.TYPE_INT_ARGB);
 			final Graphics2D g = (Graphics2D) imag.getGraphics();
 			
-			g.setColor(new Color(0, 0, 0, 1));
+			g.setColor(new java.awt.Color(0, 0, 0, 1));
 			g.fillRect(0, 0, textureWidth, textureHeight);
 			
 			int rowHeight = 0, posX = 0, posY = 0;
@@ -392,14 +391,14 @@ public class CachedFont implements GLFont {
 	
 	
 	@Override
-	public void draw(String text, RGB color)
+	public void draw(String text, Color color)
 	{
 		GLUtils.checkGLContext();
 		
 		glPushAttrib(GL_ENABLE_BIT);
 		glEnable(GL_TEXTURE_2D);
 		glBindTexture(GL_TEXTURE_2D, textureID);
-		glColor4d(color.r, color.g, color.b, color.a);
+		glColor4d(color.red(), color.green(), color.blue(), color.alpha());
 		glBegin(GL_QUADS);
 		
 		CharTile chtx = null;
diff --git a/src/mightypork/gamecore/render/fonts/impl/DeferredFont.java b/src/mightypork/gamecore/render/fonts/impl/DeferredFont.java
index e2b90dd..defd9f3 100644
--- a/src/mightypork/gamecore/render/fonts/impl/DeferredFont.java
+++ b/src/mightypork/gamecore/render/fonts/impl/DeferredFont.java
@@ -12,7 +12,7 @@ import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.gamecore.render.textures.FilterMode;
 import mightypork.utils.annotations.Alias;
 import mightypork.utils.files.FileUtils;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.vect.Vect;
 
 
@@ -148,7 +148,7 @@ public class DeferredFont extends DeferredResource implements GLFont {
 	 * @param color draw color
 	 */
 	@Override
-	public void draw(String str, RGB color)
+	public void draw(String str, Color color)
 	{
 		if (!ensureLoaded()) return;
 		
diff --git a/src/mightypork/gamecore/render/fonts/impl/NullFont.java b/src/mightypork/gamecore/render/fonts/impl/NullFont.java
deleted file mode 100644
index a3fc34a..0000000
--- a/src/mightypork/gamecore/render/fonts/impl/NullFont.java
+++ /dev/null
@@ -1,50 +0,0 @@
-package mightypork.gamecore.render.fonts.impl;
-
-
-import mightypork.gamecore.render.fonts.GLFont;
-import mightypork.utils.math.color.RGB;
-import mightypork.utils.math.constraints.vect.Vect;
-
-
-/**
- * Null font used where real resource could not be loaded.
- * 
- * @author MightyPork
- */
-public class NullFont implements GLFont {
-	
-	@Override
-	public void draw(String str, RGB color)
-	{
-		// yeah right
-	}
-	
-	
-	@Override
-	public Vect getNeededSpace(String str)
-	{
-		return Vect.ZERO;
-	}
-	
-	
-	@Override
-	public int getLineHeight()
-	{
-		return 0;
-	}
-	
-	
-	@Override
-	public int getWidth(String text)
-	{
-		return 0;
-	}
-	
-	
-	@Override
-	public int getFontSize()
-	{
-		return 0;
-	}
-	
-}
diff --git a/src/mightypork/rogue/Res.java b/src/mightypork/rogue/Res.java
index 0031f66..768a066 100644
--- a/src/mightypork/rogue/Res.java
+++ b/src/mightypork/rogue/Res.java
@@ -60,12 +60,15 @@ public class Res {
 		font = new DeferredFont("/res/font/PolygonPixel5x7Standard.ttf", Glyphs.basic, 16);
 		font.setAntialias(true);
 		font.setFilter(FilterMode.NEAREST);
-		fonts.loadFont("default", font);
+		fonts.loadFont("polygon_pixel", font);
 
 		font = new DeferredFont("/res/font/PressStart2P.ttf", Glyphs.basic, 16);
 		font.setAntialias(true);
 		font.setFilter(FilterMode.NEAREST);
 		fonts.loadFont("press_start", font);
+		
+		fonts.addAlias("default", "polygon_pixel");
+		fonts.addAlias("main_menu_button", "press_start");
 	}
 	
 	
diff --git a/src/mightypork/rogue/screens/LayerFps.java b/src/mightypork/rogue/screens/LayerFps.java
index 59d4d29..556b399 100644
--- a/src/mightypork/rogue/screens/LayerFps.java
+++ b/src/mightypork/rogue/screens/LayerFps.java
@@ -10,7 +10,7 @@ import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.rogue.Res;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.rect.proxy.RectBound;
 import mightypork.utils.math.constraints.vect.Vect;
 import mightypork.utils.string.StringProvider;
@@ -40,7 +40,7 @@ public class LayerFps extends ScreenLayer {
 		
 		final RectBound constraint = root.topRight().add(-8, 8).expand(0, 0, 0, 32);
 		
-		tp = new TextPainter(font, AlignX.RIGHT, RGB.WHITE, new StringProvider() {
+		tp = new TextPainter(font, AlignX.RIGHT, Color.WHITE, new StringProvider() {
 			
 			@Override
 			public String getString()
@@ -50,7 +50,7 @@ public class LayerFps extends ScreenLayer {
 		});
 		
 		tp.setRect(constraint);		
-		tp.setShadow(RGB.BLACK, Vect.make(tp.height().div(16)));
+		tp.setShadow(Color.BLACK, Vect.make(tp.height().div(16)));
 		
 		root.add(tp);
 	}
diff --git a/src/mightypork/rogue/screens/main_menu/MenuButton.java b/src/mightypork/rogue/screens/main_menu/MenuButton.java
new file mode 100644
index 0000000..b81b06c
--- /dev/null
+++ b/src/mightypork/rogue/screens/main_menu/MenuButton.java
@@ -0,0 +1,28 @@
+package mightypork.rogue.screens.main_menu;
+
+import mightypork.gamecore.gui.AlignX;
+import mightypork.gamecore.gui.components.ClickableComponent;
+import mightypork.gamecore.gui.components.painters.TextPainter;
+import mightypork.gamecore.render.fonts.GLFont;
+import mightypork.rogue.Res;
+import mightypork.utils.math.color.Color;
+
+
+class MenuButton extends ClickableComponent {
+	
+	private static GLFont font = Res.getFont("main_menu_button");
+	private TextPainter painter;
+	
+	public MenuButton(String text, Color color) {
+		this.painter = new TextPainter(font, AlignX.CENTER, color, text);
+		painter.setRect(this.shrink(this.height().perc(5)));
+	}
+	
+	
+	@Override
+	protected void renderComponent()
+	{
+		painter.render();
+	}
+	
+}
diff --git a/src/mightypork/rogue/screens/main_menu/MenuLayer.java b/src/mightypork/rogue/screens/main_menu/MenuLayer.java
index 9d45e44..706c688 100644
--- a/src/mightypork/rogue/screens/main_menu/MenuLayer.java
+++ b/src/mightypork/rogue/screens/main_menu/MenuLayer.java
@@ -1,5 +1,9 @@
 package mightypork.rogue.screens.main_menu;
 
+import java.net.Authenticator.RequestorType;
+
+import mightypork.gamecore.control.bus.events.ScreenRequestEvent;
+import mightypork.gamecore.gui.Action;
 import mightypork.gamecore.gui.AlignX;
 import mightypork.gamecore.gui.AlignY;
 import mightypork.gamecore.gui.components.layout.VerticalFixedFlowLayout;
@@ -8,7 +12,9 @@ import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
 import mightypork.gamecore.render.fonts.GLFont;
 import mightypork.rogue.Res;
-import mightypork.utils.math.color.RGB;
+import mightypork.rogue.events.ActionRequest;
+import mightypork.rogue.events.ActionRequest.RequestType;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.num.Num;
 import mightypork.utils.math.constraints.rect.Rect;
 
@@ -25,16 +31,54 @@ class MenuLayer extends ScreenLayer {
 	{
 		Rect menuBox = root.shrink(root.height().min(root.width()).mul(0.1));		
 		
-		Num lineHeight = menuBox.height().min(menuBox.width()).mul(0.13);
+		Num lineHeight = menuBox.height().min(menuBox.width()).mul(0.1);
 		
 		VerticalFixedFlowLayout layout = new VerticalFixedFlowLayout(root, menuBox, lineHeight, AlignY.TOP);
 		root.add(layout);
 		
 		GLFont f = Res.getFont("press_start");
-		layout.add(new TextPainter(f, AlignX.CENTER, RGB.WHITE, "Hello!"));
-		layout.add(new TextPainter(f, AlignX.CENTER, RGB.CYAN, "Woof Woof"));
-		layout.add(new TextPainter(f, AlignX.CENTER, RGB.PURPLE, "MooooOOoOO"));
-		layout.add(new TextPainter(f, AlignX.CENTER, RGB.GREEN, "Bye!"));
+		MenuButton b1,b2,b3,b4;
+		layout.add(b1 = new MenuButton("Render test", Color.WHITE));
+		layout.add(b2 = new MenuButton("Bouncy Cubes", Color.CYAN));
+		layout.add(b3 = new MenuButton("Flying Cat",Color.MAGENTA));
+		layout.add(b4 = new MenuButton("Bye!", Color.GREEN));
+		
+		b1.setAction(new Action() {
+			
+			@Override
+			protected void execute()
+			{
+				getEventBus().send(new ScreenRequestEvent("test.render"));
+			}
+		});
+		
+		b2.setAction(new Action() {
+			
+			@Override
+			protected void execute()
+			{
+				getEventBus().send(new ScreenRequestEvent("test.bouncy"));
+			}
+		});
+		
+		b3.setAction(new Action() {
+			
+			@Override
+			protected void execute()
+			{
+				getEventBus().send(new ScreenRequestEvent("test.cat"));
+				
+			}
+		});
+		
+		b4.setAction(new Action() {
+			
+			@Override
+			protected void execute()
+			{
+				getEventBus().send(new ActionRequest(RequestType.SHUTDOWN));
+			}
+		});
 	}
 
 	@Override
diff --git a/src/mightypork/rogue/screens/test_bouncyboxes/BouncyBox.java b/src/mightypork/rogue/screens/test_bouncyboxes/BouncyBox.java
index 254984b..fd73fd1 100644
--- a/src/mightypork/rogue/screens/test_bouncyboxes/BouncyBox.java
+++ b/src/mightypork/rogue/screens/test_bouncyboxes/BouncyBox.java
@@ -7,7 +7,7 @@ import mightypork.gamecore.control.timing.Updateable;
 import mightypork.gamecore.gui.components.VisualComponent;
 import mightypork.gamecore.render.Render;
 import mightypork.utils.math.Easing;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.num.Num;
 import mightypork.utils.math.constraints.num.mutable.NumAnimated;
 import mightypork.utils.math.constraints.rect.Rect;
@@ -24,6 +24,7 @@ public class BouncyBox extends VisualComponent implements Updateable {
 	
 	
 	public BouncyBox() {
+		super();
 		enableCaching(true);
 		
 		Rect abox;
@@ -39,7 +40,7 @@ public class BouncyBox extends VisualComponent implements Updateable {
 	@Override
 	public void renderComponent()
 	{
-		Render.quad(box, RGB.GREEN);
+		Render.quad(box, Color.GREEN);
 	}
 	
 	
diff --git a/src/mightypork/rogue/screens/test_bouncyboxes/LayerBouncyBoxes.java b/src/mightypork/rogue/screens/test_bouncyboxes/LayerBouncyBoxes.java
index 9b3e459..d5dc911 100644
--- a/src/mightypork/rogue/screens/test_bouncyboxes/LayerBouncyBoxes.java
+++ b/src/mightypork/rogue/screens/test_bouncyboxes/LayerBouncyBoxes.java
@@ -12,7 +12,7 @@ import mightypork.gamecore.gui.screens.ScreenLayer;
 import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.rogue.Res;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.num.Num;
 import mightypork.utils.math.constraints.vect.Vect;
 
@@ -54,10 +54,10 @@ public class LayerBouncyBoxes extends ScreenLayer {
 			boxes.add(bbr);
 		}
 		
-		final TextPainter tp = new TextPainter(Res.getFont("default"), AlignX.LEFT, RGB.WHITE);
+		final TextPainter tp = new TextPainter(Res.getFont("default"), AlignX.LEFT, Color.WHITE);
 		tp.setText("Press \"C\" for \"Cat\" screen.");
 		final Num shadowOffset = tp.height().div(16);
-		tp.setShadow(RGB.RED, Vect.make(shadowOffset, shadowOffset));
+		tp.setShadow(Color.RED, Vect.make(shadowOffset, shadowOffset));
 		
 		layout.add(tp);
 	}
diff --git a/src/mightypork/rogue/screens/test_cat_sound/LayerColor.java b/src/mightypork/rogue/screens/test_cat_sound/LayerColor.java
new file mode 100644
index 0000000..9215ff8
--- /dev/null
+++ b/src/mightypork/rogue/screens/test_cat_sound/LayerColor.java
@@ -0,0 +1,23 @@
+package mightypork.rogue.screens.test_cat_sound;
+
+import mightypork.gamecore.gui.components.painters.QuadPainter;
+import mightypork.gamecore.gui.screens.Screen;
+import mightypork.gamecore.gui.screens.ScreenLayer;
+import mightypork.utils.math.color.Color;
+
+
+public class LayerColor extends ScreenLayer{
+	
+	public LayerColor(Screen screen, Color color) {
+		super(screen);
+		
+		root.add(new QuadPainter(color));
+	}
+
+	@Override
+	public int getPriority()
+	{
+		return Integer.MIN_VALUE;
+	}
+	
+}
diff --git a/src/mightypork/rogue/screens/test_cat_sound/LayerFlyingCat.java b/src/mightypork/rogue/screens/test_cat_sound/LayerFlyingCat.java
index 0929cac..71e927c 100644
--- a/src/mightypork/rogue/screens/test_cat_sound/LayerFlyingCat.java
+++ b/src/mightypork/rogue/screens/test_cat_sound/LayerFlyingCat.java
@@ -15,7 +15,7 @@ import mightypork.gamecore.input.KeyStroke;
 import mightypork.gamecore.input.Keys;
 import mightypork.rogue.Res;
 import mightypork.utils.math.Easing;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.num.Num;
 import mightypork.utils.math.constraints.num.mutable.NumAnimated;
 import mightypork.utils.math.constraints.rect.Rect;
@@ -48,12 +48,12 @@ public class LayerFlyingCat extends ScreenLayer implements MouseButtonEvent.List
 		cat.enableCaching(false);
 		
 		// frame around cat
-		QuadPainter cat_frame = QuadPainter.gradV(RGB.YELLOW, RGB.RED);
+		QuadPainter cat_frame = QuadPainter.gradV(Color.YELLOW, Color.RED);
 		cat_frame.setRect(cat.grow(cat.height().mul(0.05)));
 		cat_frame.enableCaching(false);
 
 		// frame shadow
-		QuadPainter cat_shadow = new QuadPainter(RGB.dark(0.4));
+		QuadPainter cat_shadow = new QuadPainter(Color.dark(0.4));
 		cat_shadow.setRect(cat_frame.move(Vect.make(cat.height().mul(0.05))));
 		cat_shadow.enableCaching(false);
 
@@ -66,9 +66,9 @@ public class LayerFlyingCat extends ScreenLayer implements MouseButtonEvent.List
 		// Meow
 		TextPainter tp = new TextPainter(Res.getFont("press_start"));
 		tp.setAlign(AlignX.CENTER);
-		tp.setColor(RGB.YELLOW);
+		tp.setColor(Color.YELLOW);
 		tp.setText("Meow!");
-		tp.setShadow(RGB.dark(0.5), Vect.make(tp.height().div(16)));
+		tp.setShadow(Color.dark(0.5), Vect.make(tp.height().div(16)));
 		tp.setRect(Rect.make(cat.height().half()).centerTo(mouse));
 		tp.enableCaching(false);
 		root.add(tp);
diff --git a/src/mightypork/rogue/screens/test_cat_sound/ScreenTestCat.java b/src/mightypork/rogue/screens/test_cat_sound/ScreenTestCat.java
index 7ac1947..d4df1d4 100644
--- a/src/mightypork/rogue/screens/test_cat_sound/ScreenTestCat.java
+++ b/src/mightypork/rogue/screens/test_cat_sound/ScreenTestCat.java
@@ -61,12 +61,4 @@ public class ScreenTestCat extends LayeredScreen {
 	{
 		return "test.cat";
 	}
-	
-	
-	@Override
-	protected void renderScreen()
-	{
-		
-		super.renderScreen();
-	}
 }
diff --git a/src/mightypork/rogue/screens/test_render/LayerTestGradient.java b/src/mightypork/rogue/screens/test_render/LayerTestGradient.java
index af613cc..6c99ed4 100644
--- a/src/mightypork/rogue/screens/test_render/LayerTestGradient.java
+++ b/src/mightypork/rogue/screens/test_render/LayerTestGradient.java
@@ -4,7 +4,7 @@ package mightypork.rogue.screens.test_render;
 import mightypork.gamecore.gui.screens.Screen;
 import mightypork.gamecore.gui.screens.ScreenLayer;
 import mightypork.gamecore.render.Render;
-import mightypork.utils.math.color.RGB;
+import mightypork.utils.math.color.Color;
 import mightypork.utils.math.constraints.rect.proxy.RectBound;
 
 
@@ -25,9 +25,9 @@ public class LayerTestGradient extends ScreenLayer {
 	@Override
 	protected void renderLayer()
 	{
-		Render.quadColor(root, RGB.WHITE, RGB.BLUE, RGB.BLACK, RGB.PURPLE);
-		Render.quadGradH(pos1.getRect(), RGB.GREEN, RGB.RED);
-		Render.quadGradV(pos2.getRect(), RGB.WHITE, RGB.PURPLE);
+		Render.quadColor(root, Color.WHITE, Color.BLUE, Color.BLACK, Color.MAGENTA);
+		Render.quadGradH(pos1.getRect(), Color.GREEN, Color.RED);
+		Render.quadGradV(pos2.getRect(), Color.WHITE, Color.MAGENTA);
 	}
 	
 	
diff --git a/src/mightypork/rogue/screens/test_render/ScreenTestRender.java b/src/mightypork/rogue/screens/test_render/ScreenTestRender.java
index 0778bb6..7bd0714 100644
--- a/src/mightypork/rogue/screens/test_render/ScreenTestRender.java
+++ b/src/mightypork/rogue/screens/test_render/ScreenTestRender.java
@@ -14,7 +14,6 @@ public class ScreenTestRender extends LayeredScreen {
 		
 		addLayer(new LayerFps(this));
 		addLayer(new LayerTestGradient(this));
-		addLayer(new LayerFlyingCat(this));
 	}
 	
 	
diff --git a/src/mightypork/utils/math/color/Color.java b/src/mightypork/utils/math/color/Color.java
new file mode 100644
index 0000000..692991b
--- /dev/null
+++ b/src/mightypork/utils/math/color/Color.java
@@ -0,0 +1,144 @@
+package mightypork.utils.math.color;
+
+
+import mightypork.utils.annotations.FactoryMethod;
+import mightypork.utils.math.Calc;
+import mightypork.utils.math.constraints.num.Num;
+
+
+/**
+ * Color.<br>
+ * All values are 0-1
+ * 
+ * @author MightyPork
+ */
+public abstract class Color {
+	
+	public static final Color NONE = rgba(0, 0, 0, 0);
+	public static final Color SHADOW = rgba(0, 0, 0, 0.5);
+	
+	public static final Color WHITE = rgb(1, 1, 1);
+	public static final Color BLACK = rgb(0, 0, 0);
+	public static final Color DARK_GRAY = rgb(0.25, 0.25, 0.25);
+	public static final Color GRAY = rgb(0.5, 0.5, 0.5);
+	public static final Color LIGHT_GRAY = rgb(0.75, 0.75, 0.75);
+	
+	public static final Color RED = rgb(1, 0, 0);
+	public static final Color GREEN = rgb(0, 1, 0);
+	public static final Color BLUE = rgb(0, 0, 1);
+	
+	public static final Color YELLOW = rgb(1, 1, 0);
+	public static final Color MAGENTA = rgb(1, 0, 1);
+	public static final Color CYAN = rgb(0, 1, 1);
+	
+	public static final Color ORANGE = rgb(1, 0.78, 0);
+	public static final Color PINK = rgb(1, 0.68, 0.68);
+	
+	@FactoryMethod
+	public static final Color rgb(double r, double g, double b)
+	{
+		return rgba(Num.make(r), Num.make(g), Num.make(b), Num.ONE);
+	}
+	
+	@FactoryMethod
+	public static final Color rgba(double r, double g, double b, double a)
+	{
+		return rgba(Num.make(r), Num.make(g), Num.make(b), Num.make(a));
+	}
+	
+	@FactoryMethod
+	public static final Color rgba(Num r, Num g, Num b)
+	{
+		return rgba(r, g, b, Num.ONE);
+	}
+	
+	@FactoryMethod
+	public static final Color rgba(Num r, Num g, Num b, Num a)
+	{
+		return new ColorRgb(r, g, b, a);
+	}
+	
+	@FactoryMethod
+	public static final Color hsb(double h, double s, double b)
+	{
+		return hsba(Num.make(h), Num.make(s), Num.make(b), Num.ONE);
+	}
+	
+	@FactoryMethod
+	public static final Color hsba(double h, double s, double b, double a)
+	{
+		return hsba(Num.make(h), Num.make(s), Num.make(b), Num.make(a));
+	}
+	
+	@FactoryMethod
+	public static final Color hsb(Num h, Num s, Num b)
+	{
+		return hsba(h, s, b, Num.ONE);
+	}
+	
+	@FactoryMethod
+	public static final Color hsba(Num h, Num s, Num b, Num a)
+	{
+		return new ColorHsb(h, s, b, a);
+	}
+	
+	@FactoryMethod
+	public static final Color light(double a)
+	{
+		return light(Num.make(a));
+	}
+	
+	@FactoryMethod
+	public static final Color light(Num a)
+	{
+		return rgba(Num.ONE, Num.ONE, Num.ONE, a);
+	}
+	
+	@FactoryMethod				
+	public static final Color dark(double a)
+	{
+		return dark(Num.make(a));
+	}
+	
+	@FactoryMethod
+	public static final Color dark(Num a)
+	{
+		return rgba(Num.ZERO, Num.ZERO, Num.ZERO, a);
+	}
+	
+	
+	protected static final double clamp(Num n)
+	{
+		return Calc.clampd(n.value(), 0, 1);
+	}
+	
+	
+	protected static final double clamp(double n)
+	{
+		return Calc.clampd(n, 0, 1);
+	}
+	
+	
+	/**
+	 * @return red 0-1
+	 */
+	public abstract double red();
+	
+	
+	/**
+	 * @return green 0-1
+	 */
+	public abstract double green();
+	
+	
+	/**
+	 * @return blue 0-1
+	 */
+	public abstract double blue();
+	
+	
+	/**
+	 * @return alpha 0-1
+	 */
+	public abstract double alpha();
+}
diff --git a/src/mightypork/utils/math/color/ColorHsb.java b/src/mightypork/utils/math/color/ColorHsb.java
new file mode 100644
index 0000000..1e74283
--- /dev/null
+++ b/src/mightypork/utils/math/color/ColorHsb.java
@@ -0,0 +1,60 @@
+package mightypork.utils.math.color;
+
+import mightypork.utils.math.constraints.num.Num;
+
+
+public class ColorHsb extends Color {
+	
+	private final Num h;
+	private final Num s;
+	private final Num b;
+	private final Num a;
+	
+	
+	public ColorHsb(Num h, Num s, Num b, Num a) {
+		this.h = h;
+		this.s = s;
+		this.b = b;
+		this.a = a;
+	}
+	
+	
+	private double[] asRgb()
+	{
+		final int hex = java.awt.Color.HSBtoRGB((float) clamp(h), (float) clamp(s), (float) clamp(b));
+		
+		final int bi = hex & 0xff;
+		final int gi = (hex >> 8) & 0xff;
+		final int ri = (hex >> 16) & 0xff;
+		return new double[] { ri / 255D, gi / 255D, bi / 255D, clamp(a) };
+	}
+	
+	
+	@Override
+	public double red()
+	{
+		return asRgb()[0];
+	}
+	
+	
+	@Override
+	public double green()
+	{
+		return asRgb()[1];
+	}
+	
+	
+	@Override
+	public double blue()
+	{
+		return asRgb()[2];
+	}
+	
+	
+	@Override
+	public double alpha()
+	{
+		return asRgb()[3];
+	}
+	
+}
diff --git a/src/mightypork/utils/math/color/ColorRgb.java b/src/mightypork/utils/math/color/ColorRgb.java
new file mode 100644
index 0000000..af4b567
--- /dev/null
+++ b/src/mightypork/utils/math/color/ColorRgb.java
@@ -0,0 +1,49 @@
+package mightypork.utils.math.color;
+
+import mightypork.utils.math.constraints.num.Num;
+
+
+public class ColorRgb extends Color {
+
+	private final Num r;
+	private final Num g;
+	private final Num b;
+	private final Num a;
+	
+	
+	public ColorRgb(Num r, Num g, Num b, Num a) {
+		this.r = r;
+		this.g = g;
+		this.b = b;
+		this.a = a;
+	}
+	
+	
+	@Override
+	public double red()
+	{
+		return clamp(r);
+	}
+	
+	
+	@Override
+	public double green()
+	{
+		return clamp(g);
+	}
+	
+	
+	@Override
+	public double blue()
+	{
+		return clamp(b);
+	}
+	
+	
+	@Override
+	public double alpha()
+	{
+		return clamp(a);
+	}
+	
+}
diff --git a/src/mightypork/utils/math/color/HSV.java b/src/mightypork/utils/math/color/HSV.java
deleted file mode 100644
index 36cf90a..0000000
--- a/src/mightypork/utils/math/color/HSV.java
+++ /dev/null
@@ -1,178 +0,0 @@
-package mightypork.utils.math.color;
-
-
-import java.awt.Color;
-
-import mightypork.utils.math.Calc;
-
-
-/**
- * HSV color
- * 
- * @author MightyPork
- */
-public class HSV {
-	
-	/** H */
-	public double h;
-	/** S */
-	public double s;
-	/** V */
-	public double v;
-	
-	
-	/**
-	 * Create black color 0,0,0
-	 */
-	public HSV() {
-	}
-	
-	
-	/**
-	 * Color from HSV 0-1
-	 * 
-	 * @param h
-	 * @param s
-	 * @param v
-	 */
-	public HSV(Number h, Number s, Number v) {
-		this.h = h.doubleValue();
-		this.s = s.doubleValue();
-		this.v = v.doubleValue();
-		norm();
-	}
-	
-	
-	/**
-	 * @return hue 0-1
-	 */
-	public double h()
-	{
-		return h;
-	}
-	
-	
-	/**
-	 * @return saturation 0-1
-	 */
-	public double s()
-	{
-		return s;
-	}
-	
-	
-	/**
-	 * @return value/brightness 0-1
-	 */
-	public double v()
-	{
-		return v;
-	}
-	
-	
-	/**
-	 * Set color to other color
-	 * 
-	 * @param copied copied color
-	 * @return this
-	 */
-	public HSV setTo(HSV copied)
-	{
-		h = copied.h;
-		s = copied.s;
-		v = copied.v;
-		
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Set to H,S,V 0-1
-	 * 
-	 * @param h hue
-	 * @param s saturation
-	 * @param v value
-	 * @return this
-	 */
-	public HSV setTo(Number h, Number s, Number v)
-	{
-		this.h = h.doubleValue();
-		this.s = s.doubleValue();
-		this.v = v.doubleValue();
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Fix numbers out of range 0-1
-	 */
-	public void norm()
-	{
-		h = Calc.clampd(h, 0, 1);
-		s = Calc.clampd(s, 0, 1);
-		v = Calc.clampd(v, 0, 1);
-	}
-	
-	
-	/**
-	 * Convert to RGB
-	 * 
-	 * @return RGB representation
-	 */
-	public RGB toRGB()
-	{
-		norm();
-		
-		final int rgb = Color.HSBtoRGB((float) h, (float) s, (float) v);
-		
-		return RGB.fromHex(rgb);
-	}
-	
-	
-	/**
-	 * Make from RGB
-	 * 
-	 * @param color RGB
-	 * @return HSV
-	 */
-	public static HSV fromRGB(RGB color)
-	{
-		return color.toHSV();
-	}
-	
-	
-	@Override
-	public String toString()
-	{
-		return "HSV[" + h + ";" + s + ";" + v + "]";
-	}
-	
-	
-	@Override
-	public boolean equals(Object obj)
-	{
-		if (obj == null) return false;
-		if (!(obj instanceof HSV)) return false;
-		return ((HSV) obj).h == h && ((HSV) obj).s == s && ((HSV) obj).v == v;
-	}
-	
-	
-	@Override
-	public int hashCode()
-	{
-		return Double.valueOf(h).hashCode() ^ Double.valueOf(s).hashCode() ^ Double.valueOf(v).hashCode();
-	}
-	
-	
-	/**
-	 * Get a copy
-	 * 
-	 * @return copy
-	 */
-	public HSV copy()
-	{
-		return new HSV().setTo(this);
-	}
-}
diff --git a/src/mightypork/utils/math/color/RGB.java b/src/mightypork/utils/math/color/RGB.java
deleted file mode 100644
index 8075335..0000000
--- a/src/mightypork/utils/math/color/RGB.java
+++ /dev/null
@@ -1,399 +0,0 @@
-package mightypork.utils.math.color;
-
-
-import java.awt.Color;
-
-import mightypork.utils.annotations.FactoryMethod;
-import mightypork.utils.math.Calc;
-
-
-/**
- * RGB color
- * 
- * @author MightyPork
- */
-public class RGB {
-	
-	/** White */
-	public static final RGB WHITE = new RGB(1, 1, 1);
-	/** Black */
-	public static final RGB BLACK = new RGB(0, 0, 0);
-	/** Red */
-	public static final RGB RED = new RGB(1, 0, 0);
-	/** Lime green */
-	public static final RGB GREEN = new RGB(0, 1, 0);
-	/** Blue */
-	public static final RGB BLUE = new RGB(0, 0, 1);
-	/** Yellow */
-	public static final RGB YELLOW = new RGB(1, 1, 0);
-	/** Purple */
-	public static final RGB PURPLE = new RGB(1, 0, 1);
-	/** Cyan */
-	public static final RGB CYAN = new RGB(0, 1, 1);
-	/** orange */
-	public static final RGB ORANGE = new RGB(1, 0.6, 0);
-	/** no color (alpha=0) */
-	public static final RGB TRANSPARENT = new RGB(0, 0, 0, 0);
-	
-	/** R */
-	public double r;
-	/** G */
-	public double g;
-	/** B */
-	public double b;
-	/** ALPHA */
-	public double a = 1;
-	
-	
-	/**
-	 * Create black color 0,0,0
-	 */
-	public RGB() {
-	}
-	
-	
-	/**
-	 * Get copy with custom alpha
-	 * 
-	 * @param alpha alpha to set
-	 * @return copy w/ alpha
-	 */
-	public RGB setAlpha(double alpha)
-	{
-		return copy().setAlpha_ip(alpha);
-	}
-	
-	
-	/**
-	 * set alpha IP
-	 * 
-	 * @param alpha alpha to set
-	 * @return this
-	 */
-	public RGB setAlpha_ip(double alpha)
-	{
-		a = alpha;
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Get copy.
-	 * 
-	 * @return copy
-	 */
-	public RGB copy()
-	{
-		return new RGB(r, g, b, a);
-	}
-	
-	
-	/**
-	 * Get copy with alpha multiplied by custom value
-	 * 
-	 * @param alpha alpha to set
-	 * @return copy w/ alpha
-	 */
-	public RGB mulAlpha(double alpha)
-	{
-		return copy().mulAlpha_ip(alpha);
-	}
-	
-	
-	/**
-	 * Multiply alpha by given number
-	 * 
-	 * @param alpha alpha multiplier
-	 * @return this
-	 */
-	public RGB mulAlpha_ip(double alpha)
-	{
-		a *= alpha;
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Color from RGB 0-1
-	 * 
-	 * @param r red
-	 * @param g green
-	 * @param b blue
-	 */
-	public RGB(Number r, Number g, Number b) {
-		this.r = r.doubleValue();
-		this.g = g.doubleValue();
-		this.b = b.doubleValue();
-		norm();
-	}
-	
-	
-	/**
-	 * Color from RGB 0-1
-	 * 
-	 * @param r red
-	 * @param g green
-	 * @param b blue
-	 * @param a alpha
-	 */
-	public RGB(Number r, Number g, Number b, Number a) {
-		this.r = r.doubleValue();
-		this.g = g.doubleValue();
-		this.b = b.doubleValue();
-		this.a = a.doubleValue();
-		norm();
-	}
-	
-	
-	/**
-	 * Color from hex 0xRRGGBB
-	 * 
-	 * @param hex hex integer
-	 */
-	public RGB(int hex) {
-		setTo(RGB.fromHex(hex));
-		norm();
-	}
-	
-	
-	/**
-	 * Color from hex 0xRRGGBB
-	 * 
-	 * @param hex hex integer
-	 * @param alpha alpha color
-	 */
-	public RGB(int hex, double alpha) {
-		setTo(RGB.fromHex(hex));
-		a = alpha;
-		norm();
-	}
-	
-	
-	/**
-	 * Color from other RGB and alpha channel
-	 * 
-	 * @param color other RGB color
-	 * @param alpha new alpha channel
-	 */
-	public RGB(RGB color, double alpha) {
-		setTo(color);
-		setAlpha_ip(alpha);
-	}
-	
-	
-	/**
-	 * @return red channel 0-1
-	 */
-	public double r()
-	{
-		return r;
-	}
-	
-	
-	/**
-	 * @return green channel 0-1
-	 */
-	public double g()
-	{
-		return g;
-	}
-	
-	
-	/**
-	 * @return blue channel 0-1
-	 */
-	public double b()
-	{
-		return b;
-	}
-	
-	
-	/**
-	 * @return alpha 0-1
-	 */
-	public double a()
-	{
-		return a;
-	}
-	
-	
-	/**
-	 * Set color to other color
-	 * 
-	 * @param copied copied color
-	 * @return this
-	 */
-	public RGB setTo(RGB copied)
-	{
-		r = copied.r;
-		g = copied.g;
-		b = copied.b;
-		a = copied.a;
-		
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Set to represent hex color
-	 * 
-	 * @param hex hex integer RRGGBB
-	 * @return this
-	 */
-	public RGB setTo(int hex)
-	{
-		setTo(RGB.fromHex(hex));
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Set to R,G,B 0-1
-	 * 
-	 * @param r red
-	 * @param g green
-	 * @param b blue
-	 * @param a alpha
-	 * @return this
-	 */
-	public RGB setTo(Number r, Number g, Number b, Number a)
-	{
-		this.r = r.doubleValue();
-		this.g = g.doubleValue();
-		this.b = b.doubleValue();
-		this.a = a.doubleValue();
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Set to R,G,B 0-1
-	 * 
-	 * @param r red
-	 * @param g green
-	 * @param b blue
-	 * @return this
-	 */
-	public RGB setTo(Number r, Number g, Number b)
-	{
-		this.r = r.doubleValue();
-		this.g = g.doubleValue();
-		this.b = b.doubleValue();
-		this.a = 1;
-		norm();
-		return this;
-	}
-	
-	
-	/**
-	 * Fix numbers out of range 0-1
-	 * 
-	 * @return this
-	 */
-	public RGB norm()
-	{
-		r = Calc.clampd(r, 0, 1);
-		g = Calc.clampd(g, 0, 1);
-		b = Calc.clampd(b, 0, 1);
-		a = Calc.clampd(a, 0, 1);
-		return this;
-	}
-	
-	
-	/**
-	 * Get hex value 0xRRGGBB
-	 * 
-	 * @return hex value RRGGBB
-	 */
-	public int getHex()
-	{
-		final int ri = (int) Math.round(r * 255);
-		final int gi = (int) Math.round(g * 255);
-		final int bi = (int) Math.round(b * 255);
-		return (ri << 16) | (gi << 8) | bi;
-	}
-	
-	
-	/**
-	 * Convert to HSV
-	 * 
-	 * @return HSV representation
-	 */
-	public HSV toHSV()
-	{
-		final float[] hsv = { 0, 0, 0 };
-		Color.RGBtoHSB((int) (r * 255), (int) (g * 255), (int) (b * 255), hsv);
-		return new HSV(hsv[0], hsv[1], hsv[2]);
-	}
-	
-	
-	/**
-	 * Create color from hex 0xRRGGBB
-	 * 
-	 * @param hex hex RRGGBB
-	 * @return the new color
-	 */
-	@FactoryMethod
-	public static RGB fromHex(int hex)
-	{
-		final int bi = hex & 0xff;
-		final int gi = (hex >> 8) & 0xff;
-		final int ri = (hex >> 16) & 0xff;
-		return new RGB(ri / 255D, gi / 255D, bi / 255D);
-	}
-	
-	
-	/**
-	 * Make from HSV
-	 * 
-	 * @param color HSV color
-	 * @return RGB
-	 */
-	@FactoryMethod
-	public static RGB fromHSV(HSV color)
-	{
-		return color.toRGB();
-	}
-	
-	
-	@Override
-	public String toString()
-	{
-		return "RGB[" + r + ";" + g + ";" + b + ";" + a + "]";
-	}
-	
-	
-	@Override
-	public boolean equals(Object obj)
-	{
-		if (obj == null) return false;
-		if (!(obj instanceof RGB)) return false;
-		return ((RGB) obj).r == r && ((RGB) obj).g == g && ((RGB) obj).b == b && ((RGB) obj).a == a;
-	}
-	
-	
-	@Override
-	public int hashCode()
-	{
-		return Double.valueOf(r).hashCode() ^ Double.valueOf(g).hashCode() ^ Double.valueOf(b).hashCode() ^ Double.valueOf(a).hashCode();
-	}
-	
-	
-	@FactoryMethod
-	public static RGB dark(double d)
-	{
-		return new RGB(0, 0, 0, d);
-	}
-	
-	
-	@FactoryMethod
-	public static RGB light(double d)
-	{
-		return new RGB(1, 1, 1, d);
-	}
-}
diff --git a/src/mightypork/utils/math/constraints/DigestCache.java b/src/mightypork/utils/math/constraints/DigestCache.java
index 4b1fe5b..56ce9e5 100644
--- a/src/mightypork/utils/math/constraints/DigestCache.java
+++ b/src/mightypork/utils/math/constraints/DigestCache.java
@@ -9,21 +9,21 @@ package mightypork.utils.math.constraints;
  */
 public abstract class DigestCache<D> implements Digestable<D> {
 	
-	private D digest;
-	private boolean enabled;
-	private boolean dirty;
+	private D last_digest;
+	private boolean caching_enabled;
+	private boolean dirty = true;
 	
 	
 	@Override
 	public final D digest()
 	{
-		if (enabled) {
-			if (dirty || digest == null) {
-				digest = createDigest();
+		if (caching_enabled) {
+			if (dirty || last_digest == null) {
+				last_digest = createDigest();
 				dirty = false;
 			}
 			
-			return digest;
+			return last_digest;
 		}
 		
 		return createDigest();
@@ -39,7 +39,7 @@ public abstract class DigestCache<D> implements Digestable<D> {
 	@Override
 	public final void enableDigestCaching(boolean yes)
 	{
-		enabled = yes;
+		caching_enabled = yes;
 		markDigestDirty(); // mark dirty
 	}
 	
@@ -47,7 +47,7 @@ public abstract class DigestCache<D> implements Digestable<D> {
 	@Override
 	public final boolean isDigestCachingEnabled()
 	{
-		return enabled;
+		return caching_enabled;
 	}