function setup() {
	createCanvas(900, 400);
	background(220);
	(async function(){
	    let la = await import('/lib/linear-algebra/v1.0.0/linear-algebra.mjs');
        let cd = await import('/lib/linear-algebra/v1.0.0/coordinates.mjs');
        
        $global.la = la;
        $global.vector = [[5],[0],[0]];
        
        let k = 30;
        let damp = 0;
        let dt = 0.0001;
        
        let matrix = [[0,-1*damp,-1*k],[dt,1,0],[0,dt,1]];
        let multiply = la.copy(matrix);
        let numberOfSteps = 100;
        
        for(let i=1;i<numberOfSteps;i++){
          multiply = la.multiply(matrix, multiply);
        }
        
        $global.multiply = multiply;
	})();
	
}
		  
function draw() {
   
    if($global.la === undefined) return;
	clear();
    background(220);
    let la = $global.la;
    let vector = $global.vector;
    vector = la.multiply($global.multiply, vector)
    let x = (vector[0][0]*25000 +200);
    $global.vector = vector;
    ellipse(100,Math.round(x),80,80);
}