Function moveBallTo

examples/drivers/m5stack-imu/main.js:155–172

(x, y)

}

function moveBallTo(x, y) {
	const w = ball.width, h = ball.height;

	if ((Math.abs(ball.x - x) <= w) && (Math.abs(ball.y - y) <= h))
		render.begin(Math.min(ball.x, x), Math.min(ball.y, y), w << 1, h << 1);		// often overdrawing
	else {
		render.begin(ball.x, ball.y, w, h);
		render.fillRectangle(ball.backgroundColor, 0, 0, width, height);
		render.continue(x, y, w, h);
	}

	render.fillRectangle(ball.backgroundColor, 0, 0, width, height);
	render.drawMasked(ball, x, y, 0, 0, w, h, ball.alpha, 0, 0);
	render.end();

	ball.x = x;
	ball.y = y;
}