diff --git a/jme3-core/src/main/java/com/jme3/effect/ParticleEmitter.java b/jme3-core/src/main/java/com/jme3/effect/ParticleEmitter.java
index f68f574aaf..8dd69bcd75 100644
--- a/jme3-core/src/main/java/com/jme3/effect/ParticleEmitter.java
+++ b/jme3-core/src/main/java/com/jme3/effect/ParticleEmitter.java
@@ -953,7 +953,7 @@ private void updateParticle(Particle p, float tpf, Vector3f min, Vector3f max){
// affecting color, size and angle
float b = (p.startlife - p.life) / p.startlife;
- p.color.interpolate(startColor, endColor, b);
+ p.color.interpolateLocal(startColor, endColor, b);
p.size = FastMath.interpolateLinear(b, startSize, endSize);
p.angle += p.rotateSpeed * tpf;
diff --git a/jme3-core/src/main/java/com/jme3/math/ColorRGBA.java b/jme3-core/src/main/java/com/jme3/math/ColorRGBA.java
index 347bec6096..caafda4e63 100644
--- a/jme3-core/src/main/java/com/jme3/math/ColorRGBA.java
+++ b/jme3-core/src/main/java/com/jme3/math/ColorRGBA.java
@@ -1,595 +1,599 @@
-/*
- * Copyright (c) 2009-2012 jMonkeyEngine All rights reserved.
- *
- * Redistribution and use in source and binary forms, with or without
- * modification, are permitted provided that the following conditions are met:
- * *
- * * Redistributions of source code must retain the above copyright notice,
- * this list of conditions and the following disclaimer.
- *
- * * Redistributions in binary form must reproduce the above copyright
- * notice, this list of conditions and the following disclaimer in the
- * documentation and/or other materials provided with the distribution.
- *
- * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
- * may be used to endorse or promote products derived from this software
- * without specific prior written permission.
- *
- * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
- * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
- * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
- * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
- * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
- * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
- * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
- * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
- * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
- * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
- * POSSIBILITY OF SUCH DAMAGE.
- */
-package com.jme3.math;
-
-import com.jme3.export.*;
-import java.io.IOException;
-
-/**
- * ColorRGBA defines a color made from a collection of red, green
- * and blue values. An alpha value determines is transparency. All values must
- * be between 0 and 1. If any value is set higher or lower than these
- * constraints they are clamped to the min or max. That is, if a value smaller
- * than zero is set the value clamps to zero. If a value higher than 1 is
- * passed, that value is clamped to 1. However, because the attributes r, g, b,
- * a are public for efficiency reasons, they can be directly modified with
- * invalid values. The client should take care when directly addressing the
- * values. A call to clamp will assure that the values are within the
- * constraints.
- *
- * @author Mark Powell
- * @version $Id: ColorRGBA.java,v 1.29 2007/09/09 18:25:14 irrisor Exp $
- */
-public final class ColorRGBA implements Savable, Cloneable, java.io.Serializable {
-
- static final long serialVersionUID = 1;
- /**
- * The color black (0,0,0).
- */
- public static final ColorRGBA Black = new ColorRGBA(0f, 0f, 0f, 1f);
- /**
- * The color white (1,1,1).
- */
- public static final ColorRGBA White = new ColorRGBA(1f, 1f, 1f, 1f);
- /**
- * The color gray (.2,.2,.2).
- */
- public static final ColorRGBA DarkGray = new ColorRGBA(0.2f, 0.2f, 0.2f, 1.0f);
- /**
- * The color gray (.5,.5,.5).
- */
- public static final ColorRGBA Gray = new ColorRGBA(0.5f, 0.5f, 0.5f, 1.0f);
- /**
- * The color gray (.8,.8,.8).
- */
- public static final ColorRGBA LightGray = new ColorRGBA(0.8f, 0.8f, 0.8f, 1.0f);
- /**
- * The color red (1,0,0).
- */
- public static final ColorRGBA Red = new ColorRGBA(1f, 0f, 0f, 1f);
- /**
- * The color green (0,1,0).
- */
- public static final ColorRGBA Green = new ColorRGBA(0f, 1f, 0f, 1f);
- /**
- * The color blue (0,0,1).
- */
- public static final ColorRGBA Blue = new ColorRGBA(0f, 0f, 1f, 1f);
- /**
- * The color yellow (1,1,0).
- */
- public static final ColorRGBA Yellow = new ColorRGBA(1f, 1f, 0f, 1f);
- /**
- * The color magenta (1,0,1).
- */
- public static final ColorRGBA Magenta = new ColorRGBA(1f, 0f, 1f, 1f);
- /**
- * The color cyan (0,1,1).
- */
- public static final ColorRGBA Cyan = new ColorRGBA(0f, 1f, 1f, 1f);
- /**
- * The color orange (251/255, 130/255,0).
- */
- public static final ColorRGBA Orange = new ColorRGBA(251f / 255f, 130f / 255f, 0f, 1f);
- /**
- * The color brown (65/255, 40/255, 25/255).
- */
- public static final ColorRGBA Brown = new ColorRGBA(65f / 255f, 40f / 255f, 25f / 255f, 1f);
- /**
- * The color pink (1, 0.68, 0.68).
- */
- public static final ColorRGBA Pink = new ColorRGBA(1f, 0.68f, 0.68f, 1f);
- /**
- * The black color with no alpha (0, 0, 0, 0).
- */
- public static final ColorRGBA BlackNoAlpha = new ColorRGBA(0f, 0f, 0f, 0f);
- /**
- * The red component of the color. 0 is none and 1 is maximum red.
- */
- public float r;
- /**
- * The green component of the color. 0 is none and 1 is maximum green.
- */
- public float g;
- /**
- * The blue component of the color. 0 is none and 1 is maximum blue.
- */
- public float b;
- /**
- * The alpha component of the color. 0 is transparent and 1 is opaque.
- */
- public float a;
-
- /**
- * Constructor instantiates a new ColorRGBA object. This
- * color is the default "white" with all values 1.
- */
- public ColorRGBA() {
- r = g = b = a = 1.0f;
- }
-
- /**
- * Constructor instantiates a new ColorRGBA object. The
- * values are defined as passed parameters. These values are then clamped
- * to insure that they are between 0 and 1.
- * @param r The red component of this color.
- * @param g The green component of this ColorRGBA.
- * @param b The blue component of this ColorRGBA.
- * @param a The alpha component of this ColorRGBA.
- */
- public ColorRGBA(float r, float g, float b, float a) {
- this.r = r;
- this.g = g;
- this.b = b;
- this.a = a;
- }
-
- /**
- * Copy constructor creates a new ColorRGBA object, based on
- * a provided color.
- * @param rgba The ColorRGBA object to copy.
- */
- public ColorRGBA(ColorRGBA rgba) {
- this.a = rgba.a;
- this.r = rgba.r;
- this.g = rgba.g;
- this.b = rgba.b;
- }
-
- /**
- * set sets the RGBA values of this ColorRGBA. The
- * values are then clamped to insure that they are between 0 and 1.
- *
- * @param r The red component of this color.
- * @param g The green component of this color.
- * @param b The blue component of this color.
- * @param a The alpha component of this color.
- * @return this
- */
- public ColorRGBA set(float r, float g, float b, float a) {
- this.r = r;
- this.g = g;
- this.b = b;
- this.a = a;
- return this;
- }
-
- /**
- * set sets the values of this ColorRGBA to those
- * set by a parameter color.
- *
- * @param rgba The color to set this ColorRGBA to.
- * @return this
- */
- public ColorRGBA set(ColorRGBA rgba) {
- if (rgba == null) {
- r = 0;
- g = 0;
- b = 0;
- a = 0;
- } else {
- r = rgba.r;
- g = rgba.g;
- b = rgba.b;
- a = rgba.a;
- }
- return this;
- }
-
- /**
- * clamp insures that all values are between 0 and 1. If any
- * are less than 0 they are set to zero. If any are more than 1 they are
- * set to one.
- */
- public void clamp() {
- if (r < 0) {
- r = 0;
- } else if (r > 1) {
- r = 1;
- }
-
- if (g < 0) {
- g = 0;
- } else if (g > 1) {
- g = 1;
- }
-
- if (b < 0) {
- b = 0;
- } else if (b > 1) {
- b = 1;
- }
-
- if (a < 0) {
- a = 0;
- } else if (a > 1) {
- a = 1;
- }
- }
-
- /**
- * getColorArray retrieves the color values of this
- * ColorRGBA as a four element float array in the
- * order: r,g,b,a.
- * @return The float array that contains the color components.
- */
- public float[] getColorArray() {
- return new float[]{r, g, b, a};
- }
-
- /**
- * Stores the current r,g,b,a values into the given array. The given array must have a
- * length of 4 or greater, or an array index out of bounds exception will be thrown.
- * @param store The float array to store the values into.
- * @return The float array after storage.
- */
- public float[] getColorArray(float[] store) {
- store[0] = r;
- store[1] = g;
- store[2] = b;
- store[3] = a;
- return store;
- }
-
- /**
- * Retrieves the alpha component value of this ColorRGBA.
- * @return The alpha component value.
- */
- public float getAlpha() {
- return a;
- }
-
- /**
- * Retrieves the red component value of this ColorRGBA.
- * @return The red component value.
- */
- public float getRed() {
- return r;
- }
-
- /**
- * Retrieves the blue component value of this ColorRGBA.
- * @return The blue component value.
- */
- public float getBlue() {
- return b;
- }
-
- /**
- * Retrieves the green component value of this ColorRGBA.
- * @return The green component value.
- */
- public float getGreen() {
- return g;
- }
-
- /**
- * Sets this ColorRGBA to the interpolation by changeAmnt from
- * this to the finalColor:
- * this=(1-changeAmnt)*this + changeAmnt * finalColor
- * @param finalColor The final color to interpolate towards.
- * @param changeAmnt An amount between 0.0 - 1.0 representing a percentage
- * change from this towards finalColor.
- */
- public void interpolate(ColorRGBA finalColor, float changeAmnt) {
- this.r = (1 - changeAmnt) * this.r + changeAmnt * finalColor.r;
- this.g = (1 - changeAmnt) * this.g + changeAmnt * finalColor.g;
- this.b = (1 - changeAmnt) * this.b + changeAmnt * finalColor.b;
- this.a = (1 - changeAmnt) * this.a + changeAmnt * finalColor.a;
- }
-
- /**
- * Sets this ColorRGBA to the interpolation by changeAmnt from
- * beginColor to finalColor:
- * this=(1-changeAmnt)*beginColor + changeAmnt * finalColor
- * @param beginColor The begining color (changeAmnt=0).
- * @param finalColor The final color to interpolate towards (changeAmnt=1).
- * @param changeAmnt An amount between 0.0 - 1.0 representing a precentage
- * change from beginColor towards finalColor.
- */
- public void interpolate(ColorRGBA beginColor, ColorRGBA finalColor, float changeAmnt) {
- this.r = (1 - changeAmnt) * beginColor.r + changeAmnt * finalColor.r;
- this.g = (1 - changeAmnt) * beginColor.g + changeAmnt * finalColor.g;
- this.b = (1 - changeAmnt) * beginColor.b + changeAmnt * finalColor.b;
- this.a = (1 - changeAmnt) * beginColor.a + changeAmnt * finalColor.a;
- }
-
- /**
- * randomColor is a utility method that generates a random
- * opaque color.
- * @return a random ColorRGBA with an alpha set to 1.
- */
- public static ColorRGBA randomColor() {
- ColorRGBA rVal = new ColorRGBA(0, 0, 0, 1);
- rVal.r = FastMath.nextRandomFloat();
- rVal.g = FastMath.nextRandomFloat();
- rVal.b = FastMath.nextRandomFloat();
- return rVal;
- }
-
- /**
- * Multiplies each r,g,b,a of this ColorRGBA by the corresponding
- * r,g,b,a of the given color and returns the result as a new ColorRGBA.
- * Used as a way of combining colors and lights.
- * @param c The color to multiply by.
- * @return The new ColorRGBA. this*c
- */
- public ColorRGBA mult(ColorRGBA c) {
- return new ColorRGBA(c.r * r, c.g * g, c.b * b, c.a * a);
- }
-
- /**
- * Multiplies each r,g,b,a of this ColorRGBA by the given scalar and
- * returns the result as a new ColorRGBA.
- * Used as a way of making colors dimmer or brighter.
- * @param scalar The scalar to multiply by.
- * @return The new ColorRGBA. this*scalar
- */
- public ColorRGBA mult(float scalar) {
- return new ColorRGBA(scalar * r, scalar * g, scalar * b, scalar * a);
- }
-
- /**
- * Multiplies each r,g,b,a of this ColorRGBA by the given scalar and
- * returns the result (this).
- * Used as a way of making colors dimmer or brighter.
- * @param scalar The scalar to multiply by.
- * @return this*c
- */
- public ColorRGBA multLocal(float scalar) {
- this.r *= scalar;
- this.g *= scalar;
- this.b *= scalar;
- this.a *= scalar;
- return this;
- }
-
- /**
- * Adds each r,g,b,a of this ColorRGBA by the corresponding
- * r,g,b,a of the given color and returns the result as a new ColorRGBA.
- * Used as a way of combining colors and lights.
- * @param c The color to add.
- * @return The new ColorRGBA. this+c
- */
- public ColorRGBA add(ColorRGBA c) {
- return new ColorRGBA(c.r + r, c.g + g, c.b + b, c.a + a);
- }
-
- /**
- * Adds each r,g,b,a of this ColorRGBA by the r,g,b,a the given
- * color and returns the result (this).
- * Used as a way of combining colors and lights.
- * @param c The color to add.
- * @return this+c
- */
- public ColorRGBA addLocal(ColorRGBA c) {
- set(c.r + r, c.g + g, c.b + b, c.a + a);
- return this;
- }
-
- /**
- * toString returns the string representation of this ColorRGBA.
- * The format of the string is:
- * : [R=RR.RRRR, G=GG.GGGG, B=BB.BBBB, A=AA.AAAA]
- * @return The string representation of this ColorRGBA.
- */
- @Override
- public String toString() {
- return "Color[" + r + ", " + g + ", " + b + ", " + a + "]";
- }
-
- @Override
- public ColorRGBA clone() {
- try {
- return (ColorRGBA) super.clone();
- } catch (CloneNotSupportedException e) {
- throw new AssertionError(); // can not happen
- }
- }
-
- /**
- * Saves this ColorRGBA into the given float array.
- * @param floats The float array to take this ColorRGBA.
- * If null, a new float[4] is created.
- * @return The array, with r,g,b,a float values in that order.
- */
- public float[] toArray(float[] floats) {
- if (floats == null) {
- floats = new float[4];
- }
- floats[0] = r;
- floats[1] = g;
- floats[2] = b;
- floats[3] = a;
- return floats;
- }
-
- /**
- * equals returns true if this ColorRGBA is logically equivalent
- * to a given color. That is, if all the components of the two colors are the same.
- * False is returned otherwise.
- * @param o The object to compare against.
- * @return true if the colors are equal, false otherwise.
- */
- @Override
- public boolean equals(Object o) {
- if (!(o instanceof ColorRGBA)) {
- return false;
- }
-
- if (this == o) {
- return true;
- }
-
- ColorRGBA comp = (ColorRGBA) o;
- if (Float.compare(r, comp.r) != 0) {
- return false;
- }
- if (Float.compare(g, comp.g) != 0) {
- return false;
- }
- if (Float.compare(b, comp.b) != 0) {
- return false;
- }
- if (Float.compare(a, comp.a) != 0) {
- return false;
- }
- return true;
- }
-
- /**
- * hashCode returns a unique code for this ColorRGBA based
- * on its values. If two colors are logically equivalent, they will return
- * the same hash code value.
- * @return The hash code value of this ColorRGBA.
- */
- @Override
- public int hashCode() {
- int hash = 37;
- hash += 37 * hash + Float.floatToIntBits(r);
- hash += 37 * hash + Float.floatToIntBits(g);
- hash += 37 * hash + Float.floatToIntBits(b);
- hash += 37 * hash + Float.floatToIntBits(a);
- return hash;
- }
-
- public void write(JmeExporter e) throws IOException {
- OutputCapsule capsule = e.getCapsule(this);
- capsule.write(r, "r", 0);
- capsule.write(g, "g", 0);
- capsule.write(b, "b", 0);
- capsule.write(a, "a", 0);
- }
-
- public void read(JmeImporter e) throws IOException {
- InputCapsule capsule = e.getCapsule(this);
- r = capsule.readFloat("r", 0);
- g = capsule.readFloat("g", 0);
- b = capsule.readFloat("b", 0);
- a = capsule.readFloat("a", 0);
- }
- /**
- * Retrieves the component values of this ColorRGBA as
- * a four element byte array in the order: r,g,b,a.
- * @return the byte array that contains the color components.
- */
- public byte[] asBytesRGBA() {
- byte[] store = new byte[4];
- store[0] = (byte) ((int) (r * 255) & 0xFF);
- store[1] = (byte) ((int) (g * 255) & 0xFF);
- store[2] = (byte) ((int) (b * 255) & 0xFF);
- store[3] = (byte) ((int) (a * 255) & 0xFF);
- return store;
- }
-
- /**
- * Retrieves the component values of this ColorRGBA as an
- * int in a,r,g,b order.
- * Bits 24-31 are alpha, 16-23 are red, 8-15 are green, 0-7 are blue.
- * @return The integer representation of this ColorRGBA in a,r,g,b order.
- */
- public int asIntARGB() {
- int argb = (((int) (a * 255) & 0xFF) << 24)
- | (((int) (r * 255) & 0xFF) << 16)
- | (((int) (g * 255) & 0xFF) << 8)
- | (((int) (b * 255) & 0xFF));
- return argb;
- }
-
- /**
- * Retrieves the component values of this ColorRGBA as an
- * int in r,g,b,a order.
- * Bits 24-31 are red, 16-23 are green, 8-15 are blue, 0-7 are alpha.
- * @return The integer representation of this ColorRGBA in r,g,b,a order.
- */
- public int asIntRGBA() {
- int rgba = (((int) (r * 255) & 0xFF) << 24)
- | (((int) (g * 255) & 0xFF) << 16)
- | (((int) (b * 255) & 0xFF) << 8)
- | (((int) (a * 255) & 0xFF));
- return rgba;
- }
- /**
- * Retrieves the component values of this ColorRGBA as an
- * int in a,b,g,r order.
- * Bits 24-31 are alpha, 16-23 are blue, 8-15 are green, 0-7 are red.
- * @return The integer representation of this ColorRGBA in a,b,g,r order.
- */
- public int asIntABGR() {
- int abgr = (((int) (a * 255) & 0xFF) << 24)
- | (((int) (b * 255) & 0xFF) << 16)
- | (((int) (g * 255) & 0xFF) << 8)
- | (((int) (r * 255) & 0xFF));
- return abgr;
- }
- /**
- * Sets the component values of this ColorRGBA with the given
- * combined ARGB int.
- * Bits 24-31 are alpha, bits 16-23 are red, bits 8-15 are green, bits 0-7 are blue.
- * @param color The integer ARGB value used to set this ColorRGBA.
- */
- public void fromIntARGB(int color) {
- a = ((byte) (color >> 24) & 0xFF) / 255f;
- r = ((byte) (color >> 16) & 0xFF) / 255f;
- g = ((byte) (color >> 8) & 0xFF) / 255f;
- b = ((byte) (color) & 0xFF) / 255f;
- }
- /**
- * Sets the RGBA values of this ColorRGBA with the given combined RGBA value
- * Bits 24-31 are red, bits 16-23 are green, bits 8-15 are blue, bits 0-7 are alpha.
- * @param color The integer RGBA value used to set this object.
- */
- public void fromIntRGBA(int color) {
- r = ((byte) (color >> 24) & 0xFF) / 255f;
- g = ((byte) (color >> 16) & 0xFF) / 255f;
- b = ((byte) (color >> 8) & 0xFF) / 255f;
- a = ((byte) (color) & 0xFF) / 255f;
- }
-
- /**
- * Transform this ColorRGBA to a Vector3f using
- * x = r, y = g, z = b. The Alpha value is not used.
- * This method is useful to use for shaders assignment.
- * @return A Vector3f containing the RGB value of this ColorRGBA.
- */
- public Vector3f toVector3f() {
- return new Vector3f(r, g, b);
- }
-
- /**
- * Transform this ColorRGBA to a Vector4f using
- * x = r, y = g, z = b, w = a.
- * This method is useful to use for shaders assignment.
- * @return A Vector4f containing the RGBA value of this ColorRGBA.
- */
- public Vector4f toVector4f() {
- return new Vector4f(r, g, b, a);
- }
-}
+/*
+ * Copyright (c) 2009-2012 jMonkeyEngine All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ * *
+ * * Redistributions of source code must retain the above copyright notice,
+ * this list of conditions and the following disclaimer.
+ *
+ * * Redistributions in binary form must reproduce the above copyright
+ * notice, this list of conditions and the following disclaimer in the
+ * documentation and/or other materials provided with the distribution.
+ *
+ * * Neither the name of 'jMonkeyEngine' nor the names of its contributors
+ * may be used to endorse or promote products derived from this software
+ * without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+ * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+ * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
+ * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS BE
+ * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
+ * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
+ * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
+ * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
+ * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+ * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+ * POSSIBILITY OF SUCH DAMAGE.
+ */
+package com.jme3.math;
+
+import com.jme3.export.*;
+import java.io.IOException;
+
+/**
+ * ColorRGBA defines a color made from a collection of red, green
+ * and blue values. An alpha value determines is transparency. All values must
+ * be between 0 and 1. If any value is set higher or lower than these
+ * constraints they are clamped to the min or max. That is, if a value smaller
+ * than zero is set the value clamps to zero. If a value higher than 1 is
+ * passed, that value is clamped to 1. However, because the attributes r, g, b,
+ * a are public for efficiency reasons, they can be directly modified with
+ * invalid values. The client should take care when directly addressing the
+ * values. A call to clamp will assure that the values are within the
+ * constraints.
+ *
+ * @author Mark Powell
+ * @version $Id: ColorRGBA.java,v 1.29 2007/09/09 18:25:14 irrisor Exp $
+ */
+public final class ColorRGBA implements Savable, Cloneable, java.io.Serializable {
+
+ static final long serialVersionUID = 1;
+ /**
+ * The color black (0,0,0).
+ */
+ public static final ColorRGBA Black = new ColorRGBA(0f, 0f, 0f, 1f);
+ /**
+ * The color white (1,1,1).
+ */
+ public static final ColorRGBA White = new ColorRGBA(1f, 1f, 1f, 1f);
+ /**
+ * The color gray (.2,.2,.2).
+ */
+ public static final ColorRGBA DarkGray = new ColorRGBA(0.2f, 0.2f, 0.2f, 1.0f);
+ /**
+ * The color gray (.5,.5,.5).
+ */
+ public static final ColorRGBA Gray = new ColorRGBA(0.5f, 0.5f, 0.5f, 1.0f);
+ /**
+ * The color gray (.8,.8,.8).
+ */
+ public static final ColorRGBA LightGray = new ColorRGBA(0.8f, 0.8f, 0.8f, 1.0f);
+ /**
+ * The color red (1,0,0).
+ */
+ public static final ColorRGBA Red = new ColorRGBA(1f, 0f, 0f, 1f);
+ /**
+ * The color green (0,1,0).
+ */
+ public static final ColorRGBA Green = new ColorRGBA(0f, 1f, 0f, 1f);
+ /**
+ * The color blue (0,0,1).
+ */
+ public static final ColorRGBA Blue = new ColorRGBA(0f, 0f, 1f, 1f);
+ /**
+ * The color yellow (1,1,0).
+ */
+ public static final ColorRGBA Yellow = new ColorRGBA(1f, 1f, 0f, 1f);
+ /**
+ * The color magenta (1,0,1).
+ */
+ public static final ColorRGBA Magenta = new ColorRGBA(1f, 0f, 1f, 1f);
+ /**
+ * The color cyan (0,1,1).
+ */
+ public static final ColorRGBA Cyan = new ColorRGBA(0f, 1f, 1f, 1f);
+ /**
+ * The color orange (251/255, 130/255,0).
+ */
+ public static final ColorRGBA Orange = new ColorRGBA(251f / 255f, 130f / 255f, 0f, 1f);
+ /**
+ * The color brown (65/255, 40/255, 25/255).
+ */
+ public static final ColorRGBA Brown = new ColorRGBA(65f / 255f, 40f / 255f, 25f / 255f, 1f);
+ /**
+ * The color pink (1, 0.68, 0.68).
+ */
+ public static final ColorRGBA Pink = new ColorRGBA(1f, 0.68f, 0.68f, 1f);
+ /**
+ * The black color with no alpha (0, 0, 0, 0).
+ */
+ public static final ColorRGBA BlackNoAlpha = new ColorRGBA(0f, 0f, 0f, 0f);
+ /**
+ * The red component of the color. 0 is none and 1 is maximum red.
+ */
+ public float r;
+ /**
+ * The green component of the color. 0 is none and 1 is maximum green.
+ */
+ public float g;
+ /**
+ * The blue component of the color. 0 is none and 1 is maximum blue.
+ */
+ public float b;
+ /**
+ * The alpha component of the color. 0 is transparent and 1 is opaque.
+ */
+ public float a;
+
+ /**
+ * Constructor instantiates a new ColorRGBA object. This
+ * color is the default "white" with all values 1.
+ */
+ public ColorRGBA() {
+ r = g = b = a = 1.0f;
+ }
+
+ /**
+ * Constructor instantiates a new ColorRGBA object. The
+ * values are defined as passed parameters. These values are then clamped
+ * to insure that they are between 0 and 1.
+ * @param r The red component of this color.
+ * @param g The green component of this ColorRGBA.
+ * @param b The blue component of this ColorRGBA.
+ * @param a The alpha component of this ColorRGBA.
+ */
+ public ColorRGBA(float r, float g, float b, float a) {
+ this.r = r;
+ this.g = g;
+ this.b = b;
+ this.a = a;
+ }
+
+ /**
+ * Copy constructor creates a new ColorRGBA object, based on
+ * a provided color.
+ * @param rgba The ColorRGBA object to copy.
+ */
+ public ColorRGBA(ColorRGBA rgba) {
+ this.a = rgba.a;
+ this.r = rgba.r;
+ this.g = rgba.g;
+ this.b = rgba.b;
+ }
+
+ /**
+ * set sets the RGBA values of this ColorRGBA. The
+ * values are then clamped to insure that they are between 0 and 1.
+ *
+ * @param r The red component of this color.
+ * @param g The green component of this color.
+ * @param b The blue component of this color.
+ * @param a The alpha component of this color.
+ * @return this
+ */
+ public ColorRGBA set(float r, float g, float b, float a) {
+ this.r = r;
+ this.g = g;
+ this.b = b;
+ this.a = a;
+ return this;
+ }
+
+ /**
+ * set sets the values of this ColorRGBA to those
+ * set by a parameter color.
+ *
+ * @param rgba The color to set this ColorRGBA to.
+ * @return this
+ */
+ public ColorRGBA set(ColorRGBA rgba) {
+ if (rgba == null) {
+ r = 0;
+ g = 0;
+ b = 0;
+ a = 0;
+ } else {
+ r = rgba.r;
+ g = rgba.g;
+ b = rgba.b;
+ a = rgba.a;
+ }
+ return this;
+ }
+
+ /**
+ * clamp insures that all values are between 0 and 1. If any
+ * are less than 0 they are set to zero. If any are more than 1 they are
+ * set to one.
+ */
+ public void clamp() {
+ if (r < 0) {
+ r = 0;
+ } else if (r > 1) {
+ r = 1;
+ }
+
+ if (g < 0) {
+ g = 0;
+ } else if (g > 1) {
+ g = 1;
+ }
+
+ if (b < 0) {
+ b = 0;
+ } else if (b > 1) {
+ b = 1;
+ }
+
+ if (a < 0) {
+ a = 0;
+ } else if (a > 1) {
+ a = 1;
+ }
+ }
+
+ /**
+ * getColorArray retrieves the color values of this
+ * ColorRGBA as a four element float array in the
+ * order: r,g,b,a.
+ * @return The float array that contains the color components.
+ */
+ public float[] getColorArray() {
+ return new float[]{r, g, b, a};
+ }
+
+ /**
+ * Stores the current r,g,b,a values into the given array. The given array must have a
+ * length of 4 or greater, or an array index out of bounds exception will be thrown.
+ * @param store The float array to store the values into.
+ * @return The float array after storage.
+ */
+ public float[] getColorArray(float[] store) {
+ store[0] = r;
+ store[1] = g;
+ store[2] = b;
+ store[3] = a;
+ return store;
+ }
+
+ /**
+ * Retrieves the alpha component value of this ColorRGBA.
+ * @return The alpha component value.
+ */
+ public float getAlpha() {
+ return a;
+ }
+
+ /**
+ * Retrieves the red component value of this ColorRGBA.
+ * @return The red component value.
+ */
+ public float getRed() {
+ return r;
+ }
+
+ /**
+ * Retrieves the blue component value of this ColorRGBA.
+ * @return The blue component value.
+ */
+ public float getBlue() {
+ return b;
+ }
+
+ /**
+ * Retrieves the green component value of this ColorRGBA.
+ * @return The green component value.
+ */
+ public float getGreen() {
+ return g;
+ }
+
+ /**
+ * Sets this ColorRGBA to the interpolation by changeAmnt from
+ * this to the finalColor:
+ * this=(1-changeAmnt)*this + changeAmnt * finalColor
+ * @param finalColor The final color to interpolate towards.
+ * @param changeAmnt An amount between 0.0 - 1.0 representing a percentage
+ * change from this towards finalColor.
+ * @return this color.
+ */
+ public ColorRGBA interpolateLocal(ColorRGBA finalColor, float changeAmnt) {
+ this.r = (1 - changeAmnt) * this.r + changeAmnt * finalColor.r;
+ this.g = (1 - changeAmnt) * this.g + changeAmnt * finalColor.g;
+ this.b = (1 - changeAmnt) * this.b + changeAmnt * finalColor.b;
+ this.a = (1 - changeAmnt) * this.a + changeAmnt * finalColor.a;
+ return this;
+ }
+
+ /**
+ * Sets this ColorRGBA to the interpolation by changeAmnt from
+ * beginColor to finalColor:
+ * this=(1-changeAmnt)*beginColor + changeAmnt * finalColor
+ * @param beginColor The begining color (changeAmnt=0).
+ * @param finalColor The final color to interpolate towards (changeAmnt=1).
+ * @param changeAmnt An amount between 0.0 - 1.0 representing a precentage
+ * change from beginColor towards finalColor.
+ * @return this color.
+ */
+ public ColorRGBA interpolateLocal(ColorRGBA beginColor, ColorRGBA finalColor, float changeAmnt) {
+ this.r = (1 - changeAmnt) * beginColor.r + changeAmnt * finalColor.r;
+ this.g = (1 - changeAmnt) * beginColor.g + changeAmnt * finalColor.g;
+ this.b = (1 - changeAmnt) * beginColor.b + changeAmnt * finalColor.b;
+ this.a = (1 - changeAmnt) * beginColor.a + changeAmnt * finalColor.a;
+ return this;
+ }
+
+ /**
+ * randomColor is a utility method that generates a random
+ * opaque color.
+ * @return a random ColorRGBA with an alpha set to 1.
+ */
+ public static ColorRGBA randomColor() {
+ ColorRGBA rVal = new ColorRGBA(0, 0, 0, 1);
+ rVal.r = FastMath.nextRandomFloat();
+ rVal.g = FastMath.nextRandomFloat();
+ rVal.b = FastMath.nextRandomFloat();
+ return rVal;
+ }
+
+ /**
+ * Multiplies each r,g,b,a of this ColorRGBA by the corresponding
+ * r,g,b,a of the given color and returns the result as a new ColorRGBA.
+ * Used as a way of combining colors and lights.
+ * @param c The color to multiply by.
+ * @return The new ColorRGBA. this*c
+ */
+ public ColorRGBA mult(ColorRGBA c) {
+ return new ColorRGBA(c.r * r, c.g * g, c.b * b, c.a * a);
+ }
+
+ /**
+ * Multiplies each r,g,b,a of this ColorRGBA by the given scalar and
+ * returns the result as a new ColorRGBA.
+ * Used as a way of making colors dimmer or brighter.
+ * @param scalar The scalar to multiply by.
+ * @return The new ColorRGBA. this*scalar
+ */
+ public ColorRGBA mult(float scalar) {
+ return new ColorRGBA(scalar * r, scalar * g, scalar * b, scalar * a);
+ }
+
+ /**
+ * Multiplies each r,g,b,a of this ColorRGBA by the given scalar and
+ * returns the result (this).
+ * Used as a way of making colors dimmer or brighter.
+ * @param scalar The scalar to multiply by.
+ * @return this*c
+ */
+ public ColorRGBA multLocal(float scalar) {
+ this.r *= scalar;
+ this.g *= scalar;
+ this.b *= scalar;
+ this.a *= scalar;
+ return this;
+ }
+
+ /**
+ * Adds each r,g,b,a of this ColorRGBA by the corresponding
+ * r,g,b,a of the given color and returns the result as a new ColorRGBA.
+ * Used as a way of combining colors and lights.
+ * @param c The color to add.
+ * @return The new ColorRGBA. this+c
+ */
+ public ColorRGBA add(ColorRGBA c) {
+ return new ColorRGBA(c.r + r, c.g + g, c.b + b, c.a + a);
+ }
+
+ /**
+ * Adds each r,g,b,a of this ColorRGBA by the r,g,b,a the given
+ * color and returns the result (this).
+ * Used as a way of combining colors and lights.
+ * @param c The color to add.
+ * @return this+c
+ */
+ public ColorRGBA addLocal(ColorRGBA c) {
+ set(c.r + r, c.g + g, c.b + b, c.a + a);
+ return this;
+ }
+
+ /**
+ * toString returns the string representation of this ColorRGBA.
+ * The format of the string is:
+ * : [R=RR.RRRR, G=GG.GGGG, B=BB.BBBB, A=AA.AAAA]
+ * @return The string representation of this ColorRGBA.
+ */
+ @Override
+ public String toString() {
+ return "Color[" + r + ", " + g + ", " + b + ", " + a + "]";
+ }
+
+ @Override
+ public ColorRGBA clone() {
+ try {
+ return (ColorRGBA) super.clone();
+ } catch (CloneNotSupportedException e) {
+ throw new AssertionError(); // can not happen
+ }
+ }
+
+ /**
+ * Saves this ColorRGBA into the given float array.
+ * @param floats The float array to take this ColorRGBA.
+ * If null, a new float[4] is created.
+ * @return The array, with r,g,b,a float values in that order.
+ */
+ public float[] toArray(float[] floats) {
+ if (floats == null) {
+ floats = new float[4];
+ }
+ floats[0] = r;
+ floats[1] = g;
+ floats[2] = b;
+ floats[3] = a;
+ return floats;
+ }
+
+ /**
+ * equals returns true if this ColorRGBA is logically equivalent
+ * to a given color. That is, if all the components of the two colors are the same.
+ * False is returned otherwise.
+ * @param o The object to compare against.
+ * @return true if the colors are equal, false otherwise.
+ */
+ @Override
+ public boolean equals(Object o) {
+ if (!(o instanceof ColorRGBA)) {
+ return false;
+ }
+
+ if (this == o) {
+ return true;
+ }
+
+ ColorRGBA comp = (ColorRGBA) o;
+ if (Float.compare(r, comp.r) != 0) {
+ return false;
+ }
+ if (Float.compare(g, comp.g) != 0) {
+ return false;
+ }
+ if (Float.compare(b, comp.b) != 0) {
+ return false;
+ }
+ if (Float.compare(a, comp.a) != 0) {
+ return false;
+ }
+ return true;
+ }
+
+ /**
+ * hashCode returns a unique code for this ColorRGBA based
+ * on its values. If two colors are logically equivalent, they will return
+ * the same hash code value.
+ * @return The hash code value of this ColorRGBA.
+ */
+ @Override
+ public int hashCode() {
+ int hash = 37;
+ hash += 37 * hash + Float.floatToIntBits(r);
+ hash += 37 * hash + Float.floatToIntBits(g);
+ hash += 37 * hash + Float.floatToIntBits(b);
+ hash += 37 * hash + Float.floatToIntBits(a);
+ return hash;
+ }
+
+ public void write(JmeExporter e) throws IOException {
+ OutputCapsule capsule = e.getCapsule(this);
+ capsule.write(r, "r", 0);
+ capsule.write(g, "g", 0);
+ capsule.write(b, "b", 0);
+ capsule.write(a, "a", 0);
+ }
+
+ public void read(JmeImporter e) throws IOException {
+ InputCapsule capsule = e.getCapsule(this);
+ r = capsule.readFloat("r", 0);
+ g = capsule.readFloat("g", 0);
+ b = capsule.readFloat("b", 0);
+ a = capsule.readFloat("a", 0);
+ }
+ /**
+ * Retrieves the component values of this ColorRGBA as
+ * a four element byte array in the order: r,g,b,a.
+ * @return the byte array that contains the color components.
+ */
+ public byte[] asBytesRGBA() {
+ byte[] store = new byte[4];
+ store[0] = (byte) ((int) (r * 255) & 0xFF);
+ store[1] = (byte) ((int) (g * 255) & 0xFF);
+ store[2] = (byte) ((int) (b * 255) & 0xFF);
+ store[3] = (byte) ((int) (a * 255) & 0xFF);
+ return store;
+ }
+
+ /**
+ * Retrieves the component values of this ColorRGBA as an
+ * int in a,r,g,b order.
+ * Bits 24-31 are alpha, 16-23 are red, 8-15 are green, 0-7 are blue.
+ * @return The integer representation of this ColorRGBA in a,r,g,b order.
+ */
+ public int asIntARGB() {
+ int argb = (((int) (a * 255) & 0xFF) << 24)
+ | (((int) (r * 255) & 0xFF) << 16)
+ | (((int) (g * 255) & 0xFF) << 8)
+ | (((int) (b * 255) & 0xFF));
+ return argb;
+ }
+
+ /**
+ * Retrieves the component values of this ColorRGBA as an
+ * int in r,g,b,a order.
+ * Bits 24-31 are red, 16-23 are green, 8-15 are blue, 0-7 are alpha.
+ * @return The integer representation of this ColorRGBA in r,g,b,a order.
+ */
+ public int asIntRGBA() {
+ int rgba = (((int) (r * 255) & 0xFF) << 24)
+ | (((int) (g * 255) & 0xFF) << 16)
+ | (((int) (b * 255) & 0xFF) << 8)
+ | (((int) (a * 255) & 0xFF));
+ return rgba;
+ }
+ /**
+ * Retrieves the component values of this ColorRGBA as an
+ * int in a,b,g,r order.
+ * Bits 24-31 are alpha, 16-23 are blue, 8-15 are green, 0-7 are red.
+ * @return The integer representation of this ColorRGBA in a,b,g,r order.
+ */
+ public int asIntABGR() {
+ int abgr = (((int) (a * 255) & 0xFF) << 24)
+ | (((int) (b * 255) & 0xFF) << 16)
+ | (((int) (g * 255) & 0xFF) << 8)
+ | (((int) (r * 255) & 0xFF));
+ return abgr;
+ }
+ /**
+ * Sets the component values of this ColorRGBA with the given
+ * combined ARGB int.
+ * Bits 24-31 are alpha, bits 16-23 are red, bits 8-15 are green, bits 0-7 are blue.
+ * @param color The integer ARGB value used to set this ColorRGBA.
+ */
+ public void fromIntARGB(int color) {
+ a = ((byte) (color >> 24) & 0xFF) / 255f;
+ r = ((byte) (color >> 16) & 0xFF) / 255f;
+ g = ((byte) (color >> 8) & 0xFF) / 255f;
+ b = ((byte) (color) & 0xFF) / 255f;
+ }
+ /**
+ * Sets the RGBA values of this ColorRGBA with the given combined RGBA value
+ * Bits 24-31 are red, bits 16-23 are green, bits 8-15 are blue, bits 0-7 are alpha.
+ * @param color The integer RGBA value used to set this object.
+ */
+ public void fromIntRGBA(int color) {
+ r = ((byte) (color >> 24) & 0xFF) / 255f;
+ g = ((byte) (color >> 16) & 0xFF) / 255f;
+ b = ((byte) (color >> 8) & 0xFF) / 255f;
+ a = ((byte) (color) & 0xFF) / 255f;
+ }
+
+ /**
+ * Transform this ColorRGBA to a Vector3f using
+ * x = r, y = g, z = b. The Alpha value is not used.
+ * This method is useful to use for shaders assignment.
+ * @return A Vector3f containing the RGB value of this ColorRGBA.
+ */
+ public Vector3f toVector3f() {
+ return new Vector3f(r, g, b);
+ }
+
+ /**
+ * Transform this ColorRGBA to a Vector4f using
+ * x = r, y = g, z = b, w = a.
+ * This method is useful to use for shaders assignment.
+ * @return A Vector4f containing the RGBA value of this ColorRGBA.
+ */
+ public Vector4f toVector4f() {
+ return new Vector4f(r, g, b, a);
+ }
+}