Platform game

[chrissy19]

I have attached the fla. At the moment the bg moves when the arrow keys are pressed and the hero jumps. But what I would like to know is how to make it so that the ball lands on anything in the platform movieclip.

Here is the actionscript:

onClipEvent (load) {
	speed = 4;
	isJumping = false;
	jumpSpeed = 0;
	startY = _root.bg._y;
}
onClipEvent (enterFrame) {
	if (isJumping) {
		_y += jumpSpeed;
		jumpSpeed += 1;
		if (_y>=startY) {
			_y = startY;
			isJumping = false;
			speed = 6;
		}
	} else {
		if (Key.isDown(Key.SPACE)) {
			isJumping = true;
			jumpSpeed = -20;
			speed = 6;
		}
	}
	if (Key.isDown(Key.LEFT)) {
		_root.bg._x += speed;
		_xscale = -100;
	}
	if (Key.isDown(Key.RIGHT)) {
		_root.bg._x -= speed;
		_xscale = 100;
	}
}

[renderhjs]

search for hitTest in this forum - or even better search in the games section. There should also be a sticky there with lots of resources regarding that.
goto http://board.flashkit.com/board/showthread.php?t=518121

[Philip B]

The game was slooow. Up the frame rate to 25fps. I'm new to flash too - but it sounds to me like collision is actually handled by flash itself - lucky as in JavaScript you have to do it all yourself using bounding boxes etc.