private void renderBlast(GL2 gl) {
    GLU glu = new GLU();

    Shader shader = Shader.get("dissolve");
    if (shader != null) {
      shader.enable(gl);

      shader.setSampler(gl, "cloudSampler", 0);
      shader.setUniform(gl, "dissolveFactor", 1.0f - ((float) blastDuration / 60.0f));
    }

    gl.glEnable(GL2.GL_TEXTURE_2D);

    GLUquadric sphere = glu.gluNewQuadric();

    glu.gluQuadricDrawStyle(sphere, GLU.GLU_FILL);
    glu.gluQuadricTexture(sphere, true);

    gl.glPushMatrix();
    {
      noiseSampler.bind(gl);
      noiseSampler.setTexParameterf(gl, GL2.GL_TEXTURE_MAX_ANISOTROPY_EXT, 16);

      gl.glTranslatef(bound.c.x, bound.c.y, bound.c.z);

      glu.gluSphere(sphere, blastRadius, 24, 24);
    }
    gl.glPopMatrix();
  }