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let theShader;
function preload(){
theShader = loadShader('shader.vert', 'shader.frag');
}
function setup() {
createCanvas(800, 800, WEBGL);
}
function draw() {
shader(theShader);
theShader.setUniform("u_resolution", [width, height]);
theShader.setUniform("u_time", millis() / 1000.0);
quad(-1, -1, 120, -1, 1, 120, -1, 120);
}