function _DetermineIfOverlapped (source, target){
//For now, a basic implementation that looks at the vertices of the rectangle to see if they intersec
/*NOTE: http://www.wildbunny.co.uk/blog/2011/04/20/collision-detection-for-dummies/
is a good place to start when growing this function up.
*/
if(source instanceof target.constructor)
throw "Only supported for circle on rectangle hot action!"
var circle = source instanceof Circle ? source: target;
var rectangle = source instanceof Rectangle ? source: target;
var circlePos = _getWorldPosition(circle);
var rectanglePos = _getWorldPosition(rectangle);
var circ = {
x: circlePos.x,
y: circlePos.y,
r: circle.radius
};
var rect = {
x: rectanglePos.x,
y: rectanglePos.y,
width: rectangle.size[0],
height: rectangle.size[1]
};
// Find the closest point to the circle within the rectangle
var closestX = MathUtilities.clamp(circ.x, [rect.x - rect.width/2, rect.x + rect.width/2]);
var closestY = MathUtilities.clamp(circ.y, [rect.y - rect.height/2, rect.y + rect.height/2]);
// Calculate the distance between the circle's center and this closest point
var distanceX = circ.x - closestX;
var distanceY = circ.y - closestY;
// If the distance is less than the circle's radius, an intersection occurs
var distanceSquared = Math.pow(distanceX,2) + Math.pow(distanceY,2);
var overlapped = distanceSquared < Math.pow(circ.r,2);
return overlapped;
}
Slider.prototype.set = function set(value) {
if (value === this.options.value) return;
this.options.value = Utilities.clamp(value, this.options.range);
_updateLabel.call(this);
this.eventOutput.emit('change', {
value: value
});
};