A modification of a Barnsley Fern
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// Config const points = []; const turtle = new Turtle(); let x = 0; let y = 0; let newX = 0; let newY = 0; // Create Array of Point Coordinates for (var i=0; i < 100000; i++){ let rand = Math.random(); if( rand <= 0.01 ){ newX = 0; newY = 0.16*y; } else if ( rand <= 0.7) { newX = 0.76*x + 0.04*y; newY = ((0.04*-x) + 0.85*y + 1.6); } else if ( rand <= 0.93 ) { newX = (0.2*x) - (0.26*y); newY = 0.23*x + 0.22*y + 1.6; } else { newX = -0.15*x + 0.28*y; newY = 0.26*x + 0.24*y + 0.44; } points.push([newX,-newY]); x = newX; y = newY; } // Draw Point Helper Function const drawPoint = (coord) => { let [x,y] = coord; let scale = 10; let xOffset = 0; let yOffset = 0; x = x*scale; y = y*scale; turtle.penup(); turtle.goto(x,y); turtle.pendown(); turtle.goto(x,y+.01); turtle.goto(x+.01,y+.01); turtle.goto(x+.01,y); turtle.goto(x,y); turtle.penup(); } // Set Offset let yOff = 5; let xOff = 0; const offSetPoints = points.map( ([x,y]) => [x+xOff,y+yOff]) // Draw each point offSetPoints.forEach(coord => drawPoint(coord));