Cathy Dong-Project-05-Wall Paper

sketch

/* Cathy Dong
   Section D
   yinhuid
   Project 5-wallpaper
*/

var ox = 50;
var oy = 75;
var xSpace = 80;
var ySpace = 120;

function setup() {
    createCanvas(420, 600);
    background(244, 239, 223);
}

function draw() {
	for (var i = 0; i < 5; i++) {
		for (var j = 0; j < 5; j++) {
			//avocado outer variable
			var outX1 = ox + i * xSpace - 33;
			var outY1 = oy + j * ySpace;
			var outX4 = ox + i * xSpace - 25;
			var outY4 = oy + j * ySpace - 30;
			var outX2 = ox + i * xSpace - 8;
			var outY2 = oy + j * ySpace - 60;
			var outX3 = ox + i * xSpace;
			var outY3 = oy + j * ySpace + 35;

			//avocado
			stroke(29, 59, 16);
			strokeWeight(2);
			fill(203, 223, 180);
			beginShape();
			curveVertex(outX4, outY4);
			curveVertex(outX2, outY2);
			curveVertex(outX2 + 7, outY2 - 2); //center point
			curveVertex(outX2 + 16, outY2);
			curveVertex(outX4 + 50, outY4);
			curveVertex(outX1 + 66, outY1);
			curveVertex(outX3 + 20, outY3 - 10);
			curveVertex(outX3, outY3);
			curveVertex(outX3 - 20, outY3 - 10);
			curveVertex(outX1, outY1);
			endShape(CLOSE);

			//avocado inner
			noStroke();
			fill(235, 234, 188);
			beginShape();
			curveVertex(outX4 + 10, outY4 - 5);
			curveVertex(outX2 + 10, outY2 + 10);
			curveVertex(outX2 + 17, outY2 + 8); //top center point
			curveVertex(outX2 + 20, outY2 + 10);
			curveVertex(outX4 + 40, outY4 - 10);
			curveVertex(outX1 + 60, outY1 - 10);
			curveVertex(outX3 + 15, outY3 - 15);
			curveVertex(outX3, outY3 - 5); //bottom center point
			curveVertex(outX3 - 20, outY3 - 15);
			curveVertex(outX1 + 10, outY1 - 10);
			endShape(CLOSE);

			// avocado shell
			if ((i % 2 == 0 & j % 2 == 1) || (i % 2 == 1 && j % 2 == 0)){
				drawShell(i,j);
			}
			// avocade without shell
			if ((i % 2 == 1 & j % 2 == 1) || (i % 2 == 0 && j % 2 == 0)){
				drawNoShell(i,j);
			}
		}
	}
	noLoop();
}

function drawShell(i,j) {
	//avocado center
	stroke(131, 98, 66);
	strokeWeight(2);
	fill(198, 140, 102);
	ellipse(ox + i * xSpace, oy + j * ySpace, 34, 36);

	//avocado center mid
	noStroke();
	fill(215, 158, 124);
	ellipse(ox + i * xSpace, oy + j * ySpace, 20, 23);

	//avocado center light
	stroke(240, 217, 174);
	strokeWeight(5);
	noFill();
	arc(ox + i * xSpace, oy + j * ySpace, 20, 20, 0, QUARTER_PI);
}

function drawNoShell(i,j) {
	//avocado center
	stroke(248, 241, 224);
	strokeWeight(1);
	fill(227, 217, 114);
	ellipse(ox + i * xSpace, oy + j * ySpace, 35, 38);

	//avocado center light
	stroke(202, 198, 75);
	strokeWeight(10);
	noFill();
	arc(ox + i * xSpace, oy + j * ySpace, 20, 20, 0, HALF_PI);

}

My project is about avocado patterns. To help coding, I first calculated important point x and y axis, using shell center as the origin.