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hitTest (MovieClip.hitTest method)
public hitTest() : Boolean

Evaluates the movie clip to see if it overlaps or intersects with the hit area that the target or x and y coordinate parameters identify.

Usage 1: Compares the x and y coordinates to the shape or bounding box of the specified instance, according to the shapeFlag setting. If shapeFlag is set to true, only the area actually occupied by the instance on the Stage is evaluated, and if x and y overlap at any point, a value of true is returned. This evaluation is useful for determining if the movie clip is within a specified hit or hotspot area.

Usage 2: Evaluates the bounding boxes of the target and specified instance, and returns true if they overlap or intersect at any point.

Parametersx: Number The x coordinate of the hit area on the Stage. y: Number The y coordinate of the hit area on the Stage. The x and y coordinates are defined in the global coordinate space. shapeFlag: Boolean A Boolean value specifying whether to evaluate the entire shape of the specified instance (true), or just the bounding box (false). This parameter can be specified only if the hit area is identified by using x and y coordinate parameters. target: Object The target path of the hit area that may intersect or overlap with the movie clip. The target parameter usually represents a button or text-entry field.

Availability: ActionScript 1.0; Flash Player 5

Returns
Boolean - A Boolean value of true if the movie clip overlaps with the specified hit area, false otherwise.

Example
The following example uses hitTest() to determine if the circle_mc movie clip overlaps or intersects the square_mc movie clip when the user releases the mouse button:

square_mc.onPress = function() {
this.startDrag();
};
square_mc.onRelease = function() {
this.stopDrag();
if (this.hitTest(circle_mc)) {
trace("you hit the circle");
}
};

Метод муви клипа, определяющий его пересечение с другими объектами/точками