On Dec 26, 8:52 am, the_edge123 <theedge...@gmail.com> wrote:
> On Dec 26, 11:05 am, bob <b...@coolfone.comze.com> wrote:> What is the best 
> way to learn OpenGL ES 2.0 for Android?
>
> What kind of tutorial are you looking for ? are you a beginner ?
> What did you already find ?


Also, I like this shader:

  private final String mFragmentShader =
        "precision mediump float;\n" +
        "varying vec2 vTextureCoord;\n" +
        "uniform sampler2D sTexture;\n" +
        "void main() {\n" +
        "vec2 center = vec2(0.5,0.5);\n" +
        "float intensity = 1.0 - distance(vTextureCoord,center);\n" +

        "  gl_FragColor = texture2D(sTexture, vTextureCoord) *
vec4(1.0, 1.0, 1.0, intensity);\n" +

        "}\n";


Be sure to have blending on:


        GLES20.glEnable(GL10.GL_BLEND);
        GLES20.glBlendFunc(GL10.GL_SRC_ALPHA,
GL10.GL_ONE_MINUS_SRC_ALPHA);


Here's what it looks like:

http://i1190.photobucket.com/albums/z449/m75214/myshade.png

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