Android Open Source - Schooner-3D Basic Material

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License

The source code is released under:

Apache License

Java Source Code

/*
 * Copyright 2012 Dan Mercer//from  w w w.j a va 2 s.  com
 * 
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * 
 *     http://www.apache.org/licenses/LICENSE-2.0
 * 
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package com.supermercerbros.gameengine.objects;

import com.supermercerbros.gameengine.engine.shaders.Material;
import com.supermercerbros.gameengine.shaders.ProgramSource;

/**
 * Renders vertex-colored, shadeless triangles.
 */
public class BasicMaterial extends Material {
  private static final int STRIDE = 6;
  private static final String VARYINGS = 
      "varying vec3 v_color;\n";
  
  private static final String VERTEX_VARS =
      "uniform mat4 u_viewProj;\n" + 
  
      "uniform mat4 u_model;\n" + 
      "attribute vec3 a_pos;\n" + 
      "attribute vec3 a_mtl;\n";
  
  private static final String VERTEX_MAIN = 
      "gl_Position = (u_viewProj * u_model) * vec4(a_pos, 1.0);\n" + 
      "v_color = a_mtl;\n";
  
  private static final String FRAGMENT_MAIN = 
      "gl_FragColor = vec4(v_color.rgb, 1.0);\n";

  @Override
  public void onAttachAttribs() {
    attachAttrib(a_pos, 3); // Vertex position data
    attachAttrib(a_mtl, 3); // Vertex color data
  }

  @Override
  public void onLoadObject(GameObject obj, float[] vbo, int vertCount) {
    loadArrayToVbo(obj.verts, vbo, 3, vertCount); // Vertex position data
    loadArrayToVbo(obj.mtl, vbo, 3, vertCount);   // Vertex color data
  }
  
  @Override
  public void makeProgram() {
    super.setProgram(new ProgramSource(VARYINGS, null, VERTEX_VARS, VERTEX_MAIN, null, null, FRAGMENT_MAIN), STRIDE);
  }

}

Java Source Code List

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