Android Open Source - Freebloks-Android Board Stone Glow Effect

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Back to project page Freebloks-Android.

License

The source code is released under:

GNU General Public License

Java Source Code

package de.saschahlusiak.freebloks.view.effects;
//from  ww w.j av a  2 s.c o  m
import javax.microedition.khronos.opengles.GL10;

import de.saschahlusiak.freebloks.Global;
import de.saschahlusiak.freebloks.model.Stone;
import de.saschahlusiak.freebloks.view.BoardRenderer;
import de.saschahlusiak.freebloks.view.model.ViewModel;

public class BoardStoneGlowEffect extends AbsEffect implements Effect {
  int x, y;
  ViewModel model;
  Stone stone;

  private static final float BLEND_END = 0.55f;

  float color[] = new float[4];
  final float[] color1;
  final float[] color2;

  public BoardStoneGlowEffect(ViewModel model, int color, int x, int y, float distance) {
    this.model = model;
    this.x = x;
    this.y = y;
    this.time = -0.6f - distance * 0.025f;

    this.stone = new Stone();
    stone.init(0);

      color1 = Global.stone_color_a[color];
      color2 = Global.stone_color_a[0];

      this.color[0] = color1[0];
      this.color[1] = color1[1];
      this.color[2] = color1[2];
      this.color[3] = BoardRenderer.DEFAULT_ALPHA;
  }

  @Override
  public boolean isEffected(int x, int y) {
    return (x == this.x && y == this.y);
  }

  @Override
  public boolean isDone() {
    return time > BLEND_END;
  }

  @Override
  public boolean execute(float elapsed) {
      float blend = (float)Math.sin(time / BLEND_END * Math.PI) * 0.9f;
      if (time < 0.0f || time > BLEND_END)
        blend = 0.0f;


      color[0] = color1[0] * (1.0f - blend) + color2[0] * blend;
      color[1] = color1[1] * (1.0f - blend) + color2[1] * blend;
      color[2] = color1[2] * (1.0f - blend) + color2[2] * blend;
      color[3] = BoardRenderer.DEFAULT_ALPHA;

    return super.execute(elapsed);
  }

  @Override
  public void render(GL10 gl, BoardRenderer renderer) {
    gl.glEnable(GL10.GL_BLEND);
    gl.glBlendFunc(GL10.GL_SRC_ALPHA, GL10.GL_ONE_MINUS_SRC_ALPHA);

    gl.glPushMatrix();

      gl.glTranslatef(
          -BoardRenderer.stone_size * (float)(model.spiel.m_field_size_x - 1) + BoardRenderer.stone_size * 2.0f * (float)x,
          0,
          -BoardRenderer.stone_size * (float)(model.spiel.m_field_size_y - 1) + BoardRenderer.stone_size * 2.0f * (float)y);

    renderer.renderStone(gl, color);
    gl.glPopMatrix();

    gl.glDisable(GL10.GL_BLEND);
  }

  @Override
  public void renderShadow(GL10 gl, BoardRenderer renderer) {
    return;
  }
}

Java Source Code List

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