I have a project much much larger than this (think thousands of actors and rules) that works great (although its on mac). However on actors with particularly large rule sets you do have to be careful

is it possible to do the same in gamesalad, constrain an attribute with a ease ?

when rule on actor A is met, set a boolean attribute to true, if not false. Then, create a rule with actor B: when boolean attribute it true change image to ****

(although attribute is set correctly).

Rule: when game attribute = 15

Ok - I fixed it by using four separate actors, checking the attribute and displaying the correct image and when any of the actors change the timer setting, I reset the scene. I'm not sure if it's the

image to a tick if one is pressed. A game attribute is set to the appropriate value.

Constrain paddle.MotionLinearVelocity.Y to (ball.position.Y - paddle.position.Y)*[Speed]

try constrain position x and y to mouse touch. this may be what you are looking for.

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How to Constrain Attribute add the current scene?

will be, except for one extra game level attribute.

First, you need an integer attribute called something like sceneToGo. Your actor that ends the level should add 1 each time it is overlapped or collides with your player. Then, on the continue button,

Depending on how you see them, 2D lines floating in space, or the side view of extruded platforms (etc) . . . should be fairly straightforward, just constrain the X dimension of the shadow actor to SI

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yas as a attribute that gives the balls positions.

My goal is to make the Spawn actor quicker as time pass by. So I got a real attribute called game.enemySpawnTime and set it to 3 by default, and i got an actor that have a behaviors like this.

Thanks @bjandthekatz that works but I also have the rule When game.score > game.highscore then constrain game.score to game.highscore, yet even when I reset the scene or go back to the title sc

I am changing my actor size dynamically by tracing its Y position, and scaling it accordingly, both height and width, through Change Attribute behaviour.