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33 lines
527 B
33 lines
527 B
ball = {
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x: 100,
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y: 100,
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dx: -10,
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dy: 10,
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r : 80,
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};
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ball.update = function(){
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this.y += this.dy;
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this.x += ball.dx;
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}
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function setup() {
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// put setup code here
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createCanvas(400, 400);
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frameRate(30);
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}
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function draw() {
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// update code here
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ball.dy -= (ball.y - height/2)/20;
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ball.dx -= (ball.x - width/2)/20;
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ball.update();
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// put drawing code here
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background(220);
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stroke(0,0,255);
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strokeWeight(4);
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line(width/2, height/2, ball.x, ball.y);
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noStroke();
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ellipse(ball.x,ball.y,ball.r);
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}
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