Android Open Source - android_shaderize Renderer Hex

From Project

License

The source code is released under:

Apache License

If you think the Android project android_shaderize listed in this page is inappropriate, such as containing malicious code/tools or violating the copyright, please email info at java2s dot com, thanks.

Java Source Code

package fi.harism.shaderize;
//from  w  w w  .  ja v a2s .  c o  m
import android.content.Context;
import android.content.SharedPreferences;
import android.opengl.GLES20;
import android.view.LayoutInflater;
import android.view.ViewGroup;

public class RendererHex extends Renderer implements PrefsSeekBar.Observer {

  private Context mContext;
  private final ObjFbo mFboFull = new ObjFbo();
  private float mRadius = 1f;
  private final ObjShader mShaderCube = new ObjShader();
  private final ObjShader mShaderHex = new ObjShader();

  @Override
  public void onDestroy() {
    mContext = null;
    mShaderCube.deleteProgram();
    mFboFull.reset();
  }

  @Override
  public void onDrawFrame(ObjFbo fbo, ObjScene scene) {
    mFboFull.bind();
    mFboFull.bindTexture(0);
    Utils.renderScene(scene, mShaderCube);

    fbo.bind();
    fbo.bindTexture(0);
    mShaderHex.useProgram();

    int uRadius = mShaderHex.getHandle("uRadius");
    int uTextureSize = mShaderHex.getHandle("uTextureSize");

    GLES20.glUniform1f(uRadius, mRadius);
    GLES20.glUniform2f(uTextureSize, mFboFull.getWidth(),
        mFboFull.getHeight());

    GLES20.glActiveTexture(GLES20.GL_TEXTURE0);
    GLES20.glBindTexture(GLES20.GL_TEXTURE_2D, mFboFull.getTexture(0));

    Utils.renderQuad(mShaderHex.getHandle("aPosition"));
  }

  @Override
  public void onSeekBarChanged(int key, float value) {
    switch (key) {
    case R.string.prefs_key_hex_radius:
      mRadius = 1f + 99f * value;
      break;
    }
  }

  @Override
  public void onSurfaceChanged(int width, int height) throws Exception {
    mFboFull.init(width, height, 1);
  }

  @Override
  public void onSurfaceCreated() throws Exception {
    String vertexSource, fragmentSource;
    vertexSource = Utils.loadRawResource(mContext, R.raw.flat_cube_vs);
    fragmentSource = Utils.loadRawResource(mContext, R.raw.flat_cube_fs);
    mShaderCube.setProgram(vertexSource, fragmentSource);
    vertexSource = Utils.loadRawResource(mContext, R.raw.hex_quad_vs);
    fragmentSource = Utils.loadRawResource(mContext, R.raw.hex_pass1_fs);
    mShaderHex.setProgram(vertexSource, fragmentSource);
  }

  @Override
  public void setContext(Context context) {
    mContext = context;
  }

  @Override
  public void setPreferences(SharedPreferences prefs, ViewGroup parent) {
    LayoutInflater inflater = LayoutInflater.from(mContext);

    PrefsSeekBar seekBar;
    seekBar = (PrefsSeekBar) inflater.inflate(R.layout.prefs_seekbar,
        parent, false);
    seekBar.setDefaultValue(20);
    seekBar.setText(R.string.prefs_hex_radius);
    seekBar.setPrefs(prefs, R.string.prefs_key_hex_radius, this);
    parent.addView(seekBar);
  }

}

Java Source Code List