public void setup() {
super.setup();
((PGraphics) g).textureWrap(Texture.REPEAT);
// _warpShader = p.loadShader(FileUtil.getFile("shaders/texturewarp/round-tunnel.glsl"));
_warpShader = p.loadShader(FileUtil.getFile("shaders/texturewarp/square-tunnel.glsl"));
_warpShader.set("time", p.frameCount / 100f);
PImage img = p.loadImage(FileUtil.getFile("images/ello-grid-crap-512.png"));
_warpShader.set("textureInput", img);
}
public void drawApp() {
p.background(0);
_warpShader.set("time", (p.frameCount % 10f) * 0.033f);
p.filter(_warpShader);
}