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20
var a, b, c1, c2;
function setup() {
createCanvas(520, 520);
c1 = color(255, 0, 0);
c2 = color(0, 0, 255);
noStroke();
}
function draw() {
background(0);
for (var a = 0; a < 10; a++) {
var c3 = lerpColor(c1, c2, 0.1 * a);
// strokeWeight(10);
fill(c3);
// rect();
rect(50 * a + 10, 10, 45, height - 20);
}
}