Swing Copters...From The Ground Up

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Group: Get Ready

In this group, we only need to check if obj_GetReady has reached its destination when it enters and exits the screen. By now you should know how to do this, so I will keep it brief until we come upon a topic which has not been discussed.

Make one event that checks if obj_GetReady's Y is greater than 180. If it is, then add the action which sets obj_GetReady's Y to 180.

Make the second event that checks if obj_GetReady's Y is less than -50. If it is, then add the action which sets obj_GetReady's Y to -50.

Group: Player Controls

This group checks for the user's input. When the screen is touched, we want to play a sound, change the speed and acceleration of obj_Propeller, and mirror obj_Player.

For the user's input, we will use Touch. Touch also allows the user to use the mouse.

Start by creating the first sub-event within the Player Controls group which will check for the user's input.

-Touch: On any touch. The actions are play the sound flip, and set obj_Propeller's acceleration to -200.

Using a negative value for the acceleration is deceleration.

After the user touches the screen, we need to check if obj_Player is mirrored or not mirrored (the direction in which obj_Player is facing). Create a sub-event within the Touch condition which checks if obj_Player is NOT mirrored and add the actions which will do the following:

-obj_Player set to mirrored (facing to the left)

-wait 0.2 seconds

-obj_Propeller's angle of motion set to 180 degrees

-obj_Propeller's acceleration set to 1000

-obj_Propeller's speed set to 200

You might have noticed that there is no condition 'not mirrored'. Select is mirrored, then right click on the condition and select Invert. Or, press I on the keyboard.


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  • Why are we creating an event in "Game Over" to add 1 to ScoreCounter every 0.07 if ScoreCounter isn't equal to Score? What is ScoreCounter doing, if the game is over?

    "-System: Every X seconds, where seconds is 0.07"

    Thank you.