(Second attempt) Added a triangle(x1,y1,x2,y2,x3,y3,Color,lineWidth) overload, to match signatures for other shapes.
Also updated comments/doc to correct previous references to "Color" object fields for triangle() methods as "the packed float colour" to "the colour of all outer lines"
(Second attempt) Added a triangle(x1,y1,x2,y2,x3,y3,Color,lineWidth) overload, to match signatures for other shapes.
Also updated comments/doc to correct previous references to "Color" object fields for triangle() methods as "the packed float colour" to "the colour of all outer lines"