Space Shooter

TASK #1

The "Space Shooter" program will present the user with a spaceship that can rotate to the left and right and shoot bullets that destroy incoming enemy robots.

The first task is to watch the introduction video below

to get an idea of what the project entails. An extension exercise here is to add Power Ups that upgrade the flower weapon of the spaceship.

After watching the video, be sure to

open up the "Starter Pack"

. Make sure you click on the remix button after Scratch opens up so that it saves on your account.

Starter Pack

TASK #2

TASK:

Get the ship to rotate using the

"A"

and

"D"

keys.

HINT #1:

Use the

"When Key Pressed"

"Repeat Until Not"

"Key Pressed"

, and

"Turn Degrees"

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #3

TASK:

Add a robot at the edge of the screen and have it move towards the ship.

HINT #1:

Use the

"Hide/Show"

"Goto X/Y"

"Repeat"

"Point towards"

"Wait"

and

"Move"

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #4

TASK:

Clone the robot repeatedly and move towards the ship from all four sides.

HINT #1:

Use the

Repeat

Hide

Create Clone

When I Start as a Clone

, and the

Wait

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #5

TASK:

Program the ship to disappear if it is touching a robot.

HINT #1:

Use the

Forever

Touching

, and

Hide

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #6

TASK:

Have the ship fire the ‘flower’ when the space key is pressed.

HINT #1:

Use the

When Key Pressed

Broadcast

When I Receive

Goto x/y

Repeat

, and

Move Steps

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #6.5

TASK:

Keep track of the angle that the spaceship is facing.

HINT #1:

Use the

When Key Pressed

Change variable by

, and

Set variable to

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #7

TASK:

Keep track of the angle the ship is pointed at.

HINT #1:

Create a

variable ‘angle’

, use the

Change By

, and

Point in Direction

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #8

TASK:

Have the ship fire ‘flower’ in the angle the ship is pointing.

HINT #1:

Create a

variable ‘angle’

, use the

MOD

operator and use the

Change By

, and

Point in Direction

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #9

TASK:

Create your own block that makes the flowers disappear when they exit the screen.

HINT #1:

Use the

Touching

, and

Delete this Clone

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

TASK #10

TASK:

Use the If, Touching, Broadcast, and Delete this Clone blocks.

HINT #1:

Create a

variable ‘angle’

, use the

MOD

operator and use the

Change By

, and

Point in Direction

blocks.

CHECK UP:

Watch the video below to check that you completed the task.

CHALLENGES EXERCISES

Create a ‘Power Up’ sprite that appears randomly and flies in a random path until it leaves the screen.
Add an extra ‘flower’ each time a ‘Power Up’ is hit.
Increase the speed the ‘flowers’ fire each time a ‘Power Up’ is hit.
Add increasingly more difficult levels.
Add a beginning/ending screen.
Add cut scenes between levels.
Add money that can buy ships(speed), guns(type and speed) and power ups(number of bullets) between levels.