canvas.setPixel(x, y, color)

Set the pixel value at x, y to the specified color. This is equivalent to drawing a 1x1 filled rectangle.

    x - The x position pixel   
    y - The y position pixel   
    color - An RGB color value as an integer value


// Place a red dot on the canvas
function RedDot(name) {  
    var canvas = sb.getCanvas(name);  
    var x = canvas.width / 2;  
    var y = canvas.height / 2;  
    canvas.setPixel(x, y, 0xff2244);
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