After shooting these 3 bullets, the player should wait a much longer interval - call this gunGlobalCooldown. Between shooting these 3 bullets the player should wait a very small interval (so that they don't all get fired at the same time) - call this gunLocalCooldown. This one is a bit tricky - ask for help.įor more information on moving a sprite by tilting your device, see this video.My aim is to allow my player to shoot 3 bullets at a time.
The Pitch parameter is the tilt forward and back (positive is forward). OPTIONAL: If you really want to get fancy, make the ship fire if you tilt the tablet forward.Maybe make the ship move right if the roll is > than 10 and move to the left if the roll is < -10. The Roll parameter is less than zero if it is tilted to the left and greater than zero if it is tilted to the right. You will want to use the OrientationChanged event. OPTIONAL: Use an OrientationSensor (in the sensor group) to control the shooter sprite using the tilt of the tablet.OPTIONAL: Make either target shoot back at you.Where do you want to move it when it hits the edge? Hint: The EdgeReached event for the second target should be different than the first. Make sure your score is added if you hit it. MANDATORY (-30 if missing) : Add a second iPhone target moving the opposite direction.Challenges Do after completing the videos: Part 6: Make the target move continuously and disappear bullet on contactĬode the Target.EdgeReached event and make the bullet invisible as soon as it hits target. Part 5: Add a target (iPhone) and give a point when hitĭrag in another ImageSprite and set up a label for score. Part 4: Let the user move the shooter by clicking left/right buttonsĪdd two buttons and move the shooter appropriately when each is clicked. First make it a child of your gun and position it where you want the projectile to appear, then give it the same rotation of the barrel (so that the Z axis is pointing the direction of shooting). Set the visibility of bullet so it appears on Shooter.Touched and disappears when hits top edge. Part 3: Make it so the bullet only appears when shot On the Shooter.Touched, enable the Clock.TimerEnabled Part 2: Make it so the bullet only fires when shooter is touched Fire a wave of bullets from the actors position.
Click each link to save the file to your desktop. OR IF YOU JUST SET FIRE BULLET: Fire bullets from the actors position.
In this step you will need two files (also available on S:\Shared\Students\Tech Ed\App Inventor\Lessons\Shooter). Any code/settings can be also found below the video. Then add a Clock component and move the bullet on the Timer event. Part 1: Add a canvas and bullet, and have bullet shoot upĭrag two ImageSprites into the Canvas and set their Image property to picture files.
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