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in this tutorial we are going to

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use logic comparisons these are comparisons for

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which the outcomes true or false first

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we go to operators and we select

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this script here we compare only ask

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is the last number less than the

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right number and the answer is either

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true or false

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the next one is greater than we

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ask as the last number greater than

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the right number and the answer is

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true or false the next one is

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an equal comparison we ask is the

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last number the same value as the

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right number and the answer will be

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true or false we can use the

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outcome of these comparisons to control some

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actions so to do this

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we need to go to motion and select turn

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clockwise and next from the control menu

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we will need forever and if then

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finally from sensing we want to use

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distance to also don't forget to click

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the green flag

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first of all we want to turn

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the sprite continuously for example one degree

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at a time forever

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here you can see that the sprite

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continuously turns without any type of control

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now we want to make the sprite

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turn when a certain condition is true

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for example

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we can use the less than operation

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and distance to mouse pointer less than

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for example ninety then turn one degrees

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the distance to the sprite is measured

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from this point and this example we

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can see zero zero ninety here

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is

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equal to three boxes so when the

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mouse is more than three boxes away

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from the script it will not turn

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the as you could see when we

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bring them as close to the sprite

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it starts to rotate and when we move it

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away it stops

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next we can try another comparison if

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we use the more than

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so if the distance to the mouse

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pointer is more than here you can

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see that if the mouse is close

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to the sprite it doesn't move but

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when the mouse moves further away from

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the sprite it starts to move

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the last comparison is equal to the

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distance has to be exact for the

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sprite to move

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let's choose ninety again

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so here we can see that the

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mouse has to be exactly three boxes

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away otherwise the sprite will not rotate

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this is quite tricky to find

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so here we have seen how to

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use comparisons of less than greater than

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and equal to