Denise Jiang-Project 04- String Art

sketch

var hstep=20;//horizontal
var dstepX=10;//diagonal x
var dstepY=15;//diagonal y
function setup() {
    createCanvas(640, 480);
}

function draw() {
	background("lightpink");
	stroke("white");
	line(0,height/2,width,height/2);
	
	var dxTL=310;//x of top left diagonal
	var dyTL=1.5*dxTL-240;//y of top left diagonal
	var x1=0;//x for top left

	var dxBL=310;//x for bottom left diagonal
	var dyBL=-1.5*dxBL+720;//y for bottom left diagonal
	var x2=0;//x for bottom left

	var dxTR=480;//x for top right diagonal
	var dyTR=-1.5*dxTR+720;//y for top right diagonal
	var x3=320;//x for top right

	var dxBR=480;//x for bottom right diagonal
	var dyBR=1.5*dxBR-240;//y for bottom right diagonal
	var x4=320;//x for bottom right

	var dxMTL=320;
	var dyMTL=-1.5*dxMTL+720;
	var dxMTR=480;
	var dyMTR=1.5*dxMTR-240;

	var dxMBL=320;
	var dyMBL=1.5*dxMBL-240;
	var dxMBR=480;
	var dyMBR=-1.5*dxMBR+720;

	var x=0;
	var x5=640;

	for (i=0; i<17; i++) {
		
		stroke("white");
		strokeWeight(1);
		line(x1,height/2,dxTL,dyTL);//top left
		x1=x1+hstep;
		dxTL+=-dstepX;
		dyTL+=-dstepY;

		line(x2,height/2,dxBL,dyBL);//bottom left
		x2=x2+hstep;
		dxBL+=-dstepX;
		dyBL+=dstepY;

		line(x3,height/2,dxTR,dyTR);//top right
		x3=x3+hstep;
		dxTR+=-dstepX;
		dyTR+=dstepY;

		line(x4,height/2,dxBR,dyBR);//bottom right
		x4=x4+hstep;
		dxBR+=-dstepX;
		dyBR+=-dstepY;

		line(dxMTR,dyMTR,dxMTL,dyMTL);
		dxMTL+=-dstepX;
		dyMTL+=dstepY;
		dxMTR+=-dstepX;
		dyMTR+=-dstepY;

		line(dxMBL,dyMBL,dxMBR,dyMBR);
		dxMBL+=-dstepX;
		dyMBL+=-dstepY;
		dxMBR+=-dstepX;
		dyMBR+=dstepY;

		line(x5,0,x5,479);
		x5=x5-hstep;
		line(x,0,x,480);
		x=x+hstep;

	}
	
	noLoop();
	println();
}

For this project, I used straight lines and their tangents to form curves. The overall shape contains six modules.