Unity elementary case notes of angry birds Siki college 1-6

The game logic ：

1. The dragging of birds （ Maximum moving distance ）

2. The birds fly out

3. Birds and pigs , Wood collision （ Death , injured ）

4. Drawing of rubber band

5. One bird to many conversion

6. Lens following

7. Make special effects

8. Game over , The judgement of victory

9. Sound effect

Knowledge point ：

1. Transformation between screen coordinates and world coordinates

2.springjoint Use of components

3. collision detection

4.line renderer

Start making

First, create a new one 2d file , Save the scene

Make 3 A scenario ： Load scene , Observe and select the scene , The scene when the game starts

Import material package

How to choose one of the multiple material drawings ？

 single Change to multiple

Click on apply

Click on sprite editor, Click again slice Then you can cut

  Continue to click on the apply,

  Click the small triangle next to it to get more pictures , Number 159,0,8 Drag in hierarchy, Adjusting position

If the camera is too big , Click on scene On the interface gizmos, hold 3d lcons The small

After adjusting the position , You will find that the relationship between grades is a little wrong , That is, the bird is blocked by the slingshot , The bird should be on the right branch , Under the left branch

Right click add, Name it player, Choose all three , Change it to player layer

player Layer will cover default layer

The bird is changed to 1, On the left 2, On the right 0 , You can rename the number to bird,right,left

Add a component to the bird spring joint 2d（ involve 2 A rigid body ） after , It is found that the rigid body component is automatically added to you rigidbody 2d

After clicking run, the bird will perform an elastic movement （ Similar to simple pendulum ）

to right Add a rigid body component

hold body type Change it to static（ Don't want him to be under gravity ）

Click back to the bird spring joint2d, hold right Drag onto connected rigidbody in

The position of the small blue dot can be adjusted