returns a r g b a float array that openGL likes - Java 2D Graphics

Java examples for 2D Graphics:Color

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Description

returns a r g b a float array that openGL likes

Demo Code


//package com.java2s;

public class Main {
    public static void main(String[] argv) throws Exception {
        int color = 2;
        System.out//  w w  w.  j a  v a  2 s  .c  o m
                .println(java.util.Arrays.toString(getRGBAFromInt(color)));
    }

    /**
     * returns a r g b a float array that openGL likes
     * @param color
     * @return the r g b a float array
     */
    public static float[] getRGBAFromInt(int color) {
        float b = ((color) & 0xFF) / 255.0f;
        float g = ((color >> 8) & 0xFF) / 255.0f;
        float r = ((color >> 16) & 0xFF) / 255.0f;
        float a = ((color >> 24) & 0xFF) / 255.0f;

        return new float[] { r, g, b, a };
    }
}

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