Build your own arcade game

Create a 2-D arcade game for shooting targets --in this case, flying iPhones. You'll learn how to animate objects with Clock. Timer event and react to events like two objects colliding.

screenshot

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step 1: Add a canvas and bullet, and have bullet shoot up (click for details)

Drag two ImageSprites into the Canvas and set their Image property to picture files. Then add a Clock component and move the bullet on the Timer event.

Looks best in full screen.

step 2: Make it so the bullet only fires when shooter is touched. (click for details)

On the Shooter.Touched, enable the Clock.TimerEnabled

Looks best in full screen.

step 3: Make it so the bullet only appears when shot (click for details)

Set the visibility of bullet so it appears on Shooter.Touched and disappears when hits top edige.

Looks best in full screen.

step 4: Let the user move the shooter by clicking left/right buttons (click for details)

Add two buttons and move the shooter appropriately when each is clicked.

Looks best in full screen.

step 5: Add a target (iPhone) and give a point when hit. (click for details)

Drag in another ImageSprite and set up a label for score. On the CollidedWith event, add a point

Looks best in full screen.

step 6: Make the target move continuously and disappear bullet on contact (click for details)

Code the Target.EdgeReached event and make the bullet invisible as soon as it hits target.

Looks best in full screen.