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21 Cards in this Set

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A player's score would most likely have what data type?
int (integer)
What is the syntax and structure for creating a custom function with two parameters?
function.convert(a,b) {


}
What is a return value?
When a fuction does some action, and gives you a response.


(tracing)
How do you determine if one movie clip collides with another?
hitTestObject()


ex- a_mc.hitTestObject(b_mc)
One advantage of hitTestObject and one disadvantage.
advantage - simple to implement
dis - slow to process , inaccurate
What is the code that will generate a random number between 4-7?
Math.floor(Math.random()*7+4);
What is the code that will generate a random number between -5 & 2?
Math.floor(Math.random()*8+-5);
What are custom properties?
not predefined, a property that you make up.
Two examples of custom properties?
speed & direction
What is the difference between input text and dynamic text?
dynamic- can be modified during runtime (a game score)

input- supplied by user & not with code
How do you change the text within a text field using code?
myTextField.text = "some text";
What event needs to be registered to check if a key has been pressed?
KEY_DOWN

ex: stage.addEventListener(KeyboardEvent.KEY_DOWN, kDown);
How do you find a keycode?
trace(e.keyCode ==37) {
trace("Left");
}
How do you code a movie clip to move left and right based off the user hitting the left and right arrow keys?
after function....


if(e.keycode == 37) {
box_mc.x -= 5;
}
When should you render a text field?
every time you update
How do you create a populated array?
var testScores:Array = [90,80,100]
What is the index number of the firs element in the array?
zero
What functions removes the last element from an array?
pop(), splice()
How do you insert element in an array?
box.splice(1,0,"bob");
What property gives you the total number of elements in an array?
Length Property
In the array myGrades, how would you change the third element to 95?
var myGrade:Array = [90,1]
myGrade [1]=95