Distorted Android

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// Copyright 2016 Leszek Koltunski                                                          //

//                                                                                          //

// This file is part of Distorted.                                                          //

//                                                                                          //

// Distorted is free software: you can redistribute it and/or modify                        //

// it under the terms of the GNU General Public License as published by                     //

// the Free Software Foundation, either version 2 of the License, or                        //

// (at your option) any later version.                                                      //

//                                                                                          //

// Distorted is distributed in the hope that it will be useful,                             //

// but WITHOUT ANY WARRANTY; without even the implied warranty of                           //

// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the                            //

// GNU General Public License for more details.                                             //

//                                                                                          //

// You should have received a copy of the GNU General Public License                        // 

// along with Distorted.  If not, see <http://www.gnu.org/licenses/>.                       //

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uniform vec3 u_bmpD;                      // half of object width x half of object height X half the depth; 

                                          // point (0,0,0) is the center of the object

uniform float u_Depth;                    // max absolute value of v.z ; beyond that the vertex would be culled by the near or far planes.

                                          // I read OpenGL ES has a built-in uniform variable gl_DepthRange.near = n, 

                                          // .far = f, .diff = f-n so maybe u_Depth is redundant

                                          // Update: this struct is only available in fragment shaders

uniform mat4 u_MVPMatrix;                 // A constant representing the combined model/view/projection matrix.      		       

uniform mat4 u_MVMatrix;                  // A constant representing the combined model/view matrix.       		

attribute vec3 a_Position;                // Per-vertex position information we will pass in.   				

attribute vec4 a_Color;                   // Per-vertex color information we will pass in. 				

attribute vec3 a_Normal;                  // Per-vertex normal information we will pass in.      

attribute vec2 a_TexCoordinate;           // Per-vertex texture coordinate information we will pass in. 		

varying vec3 v_Position;                  //      		

varying vec4 v_Color;                     // Those will be passed into the fragment shader.          		

varying vec3 v_Normal;                    //  

varying vec2 v_TexCoordinate;             //  		

uniform vec3 vUniforms[3*NUM_VERTEX];     // i-th effect is 3 consecutive vec3's: [3*i], [3*i+1], [3*i+2]. 

                                          // The first 3 floats are the Interpolated values,

  }