JavaScript calculates the coordinates of each point in which n points are evenly arranged into a circle

Source: Internet
Author: User

This method can be used to support similar requirements such as circular menu layouts:

/** * Calculates the coordinates of each point in which n points are evenly arranged into circles * @param nodesize participate in the number of elements arranged in a circle * @param center Circle coordinates {x:, y:} * @param radius of radius Circle * @return Individual elements  Coordinates: [{x:, Y:}, {x:, y:}, ...] */function calccircularlayout (nodesize, center, radius) {var i, _i, _layouts = [];for (i = _i = 0; _i < nodesize; i = ++_i) {var x = center.x + radius * Math.sin (2 * Math.PI * i/nodesize), y = center.y + radius * MATH.COS (2 * Math). PI * i/nodesize); _layouts.push ({' X ': x, ' y ': y});} return _layouts;}


JavaScript calculates the coordinates of each point in which n points are evenly arranged into a circle

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