canvas.strokeCircle

canvas.strokeCircle(x, y, radius, color)

Draw a stroked circle defined by the center position (x,y), with radius radius, and with the color color.

Parameters:
    x              The x position of the center of the circle
    y              The y position of the center of the circle
    radius         The radius of the circle
    color          An RGB color value as an integer value

Example:

// Draw two stroked circles on the canvas with the color black
function tires(name) {    
    var canvas = sb.getCanvas(name);    
    var x = size.width / 2;    
    var y = size.height / 2;    
    var r = size.width / 9;    
    var dist = size.width / 2;    
    canvas.lineWidth = 0.6 * r;    
    canvas.strokeCircle(x + dist / 2, y, r, 0);    
    canvas.strokeCircle(x - dist / 2, y, r, 0);
}