public void render3D(GL gl, GLDrawable glc) {
if (pts2d.size() < 4) return;
if (fill != null || texture != null) {
if (texture == null) {
setColor(gl, fill);
gl.glDisable(GL.GL_TEXTURE_2D);
} else {
setColor(gl, Color.white);
Texture gltexture = texture.getTexture(glc);
gltexture.enable();
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_S, GL.GL_REPEAT);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_WRAP_T, GL.GL_REPEAT);
gl.glTexEnvf(GL.GL_TEXTURE_ENV, GL.GL_TEXTURE_ENV_MODE, GL.GL_MODULATE);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MAG_FILTER, GL.GL_NEAREST);
gl.glTexParameteri(GL.GL_TEXTURE_2D, GL.GL_TEXTURE_MIN_FILTER, GL.GL_NEAREST);
gltexture.bind();
}
gl.glPushMatrix();
// get 4 control points of portal
Point2D p0 = pts2d.get(0);
Point2D p1 = pts2d.get(1);
Point2D p2 = pts2d.get(2);
Point2D p3 = pts2d.get(3);
// render 1st side of portal with height extra[0]
renderOneside(p0, p1, gl, extra[0]);
// render 1st side of portal with height extra[1]
renderOneside(p2, p3, gl, extra[1]);
gl.glPopMatrix();
}
}