Scratch lesson 3

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Slide 1: Slide
ComputingLower Secondary (Key Stage 3)

This lesson contains 16 slides, with interactive quizzes, text slides and 2 videos.

time-iconLesson duration is: 50 min

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Slide 1 - Slide

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Do Now: Define the term collision.

Slide 2 - Open question

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Do Now answer
Collision detection concerns the detection of collisions between objects in a game.

It is used to stop sprites going through the map, players or other objects. 

Slide 3 - Slide

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Lesson objectives 

Conquer: Understand the concept of collision in a game

Aspire Higher: Utilize this understanding to manipulate collision to create a maze.




 
 
Aspire: Create a set of loops to make a program more efficient.

Slide 4 - Slide

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What is a sprite?
A sprite is an image or set of pixels that can be manipulated using code or code blocks.

  • A sprite is traditionally the main playable character in a game.






Slide 5 - Slide

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Creating 2 player pong
  • We are now going to use the skills we have developed over the past 3 weeks to create a 2 player pong game. 

Slide 6 - Slide

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I have created a template for you to use. 
Click here
Your first task is to add movement to the paddles. 
We only want them to move up and down, not left or right. 
 

Dont use this
Use this

Slide 7 - Slide

Give students time to work on this.

Code on each paddle should be 

Press key to move
Change Y by +10 for up or -10 for down. 

Slide 8 - Video

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Slide 9 - Slide

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Slide 10 - Video

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You will need this set of code for both paddles.
Add this to your ball sprite.

Slide 11 - Slide

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Slide 12 - Slide

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What is a sprite?
A
A set of pixels controlled by the user.
B
A non player character
C
An image.
D
The code to move a character.

Slide 13 - Quiz

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What is collision?
A
A set of pixels controlled by the user.
B
A non player character
C
A boundary in the game
D
The code to move a character.

Slide 14 - Quiz

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Which code moves the player forward?
A
B
C
D

Slide 15 - Quiz

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Which color is used for movement code?
A
Orange
B
Red
C
Blue
D
Pink

Slide 16 - Quiz

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