ActionScript for Flash MX: The Definitive Guide, Second Edition

MovieClip.hitTest() Method

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ActionScript Language Reference

// Define a button handler for the button clip

button_mc.onPress = function () {

trace("thank you for clicking");

}

// Make a clip to be the button clip's hit area, and

// put it inside the button clip

button_mc.createEmptyMovieClip("hitarea_mc", 2);

// Set the hit area rectangle to be twice the size of the button text

var x1 = -button_mc.button_txt._width / 2;

var y1 = -button_mc.button_txt._height / 2;

var x2 = x1 + button_mc.button_txt._width * 2;

var y2 = y1 + button_mc.button_txt._height * 2;

// Draw the hit area rectangle

button_mc.hitarea_mc.moveTo(x1, y1);

button_mc.hitarea_mc.beginFill(0x000000);

button_mc.hitarea_mc.lineTo(x2, y1);

button_mc.hitarea_mc.lineTo(x2, y2);

button_mc.hitarea_mc.lineTo(x1, y2);

button_mc.hitarea_mc.lineTo(x1, y1);

button_mc.hitarea_mc.endFill();

// Make the hit clip invisible

button_mc.hitarea_mc._visible = false;

// Assign the drawn clip as the button's hit area

button_mc.hitArea = button_mc.hitarea_mc;

See Also

The Button class, MovieClip.enabled, MovieClip.hitTest(), MovieClip.useHandCursor; “Using

Movie Clips as Buttons” in Chapter 13

MovieClip.hitTest() Method

check if a point or another clip intercept a given clip

Flash 5

mc.hitTest(x, y, shapeFlag)

mc.hitTest(target)

Arguments

x The horizontal coordinate ...