21/08/08 How To Build An Android Game in 40 Minutes - Unity 2019

https://youtu.be/h_cUMpXb9QY

00:00 Introduction

00:20 Showing Final Game

01:10 Installing Unity Hub

02:15 Installing Unity, Android SDK, NDk

04:00 Creating New Project

05:26 Changing Build Target to Android

08:00 Creating Boundaries

11:38 Adding Balls

23:05 Creating GameManager

29:20 Add Wining Message

33:50 Creating Restart Button

39:37 Building an apk

44:29 Building and running apk on mobile device

 

 

- Changing Build Target to Android

File>Build Settings

Android : Switch Platform

 

- Layout : 2x3

- Game > Aspect

- 16:9 Portrait

 

- Assets>Scenes

SampleScenes -> Game (rename)

 

- Camera > MainCamera

Clear Flags > Solid Color

Background : change color 

 

- Assets

Create>Folder : Sprites

Create>2D>Sprites>Squares (rename Boundary)

만든 Boundary를 Hierarchy로 드래그 앤 드랍

Add Component : Physics 2D>Box Collider 2D

Sprite Renderer : Change Color

Move and Duplicate

 

- Ball

copy ball.png from web site

ball.png background transparency by using gimp

 

Add Component :

Physics 2D>Circle Collider 2D

Physics 2D>Rigidbody 2D

 

Create>2D>Physics Materal 2D

Rename Bounce

Set Friction 0, Bounciness 1

 

Circle Collider Material과 Bounce를 연결해줌 (드래그앤드랍)

Transform (사이즈 변경)

 

- Create C# Scripts

Scripts 폴더 생성

Ball 이름 변경

 

```

using System.Collections;

using System.Collections.Generic;

using UnityEngine;

 

public class Ball : MonoBehaviour

{

    // Start is called before the first frame update

    void Start()

    {

    }

 

    // Update is called once per frame

    void Update()

    {

    }

}

```

 

 

Hierarchy에서 Ball을 선택한후 ball script를 드래그앤 드랍하면 추가됨

 

 

 

 

 

 

 

 

 

 

References

 

How to make a transparent background/selection on an image using GIMP

1. Open your image.
2. Select the area you want to make transparent. ...
3. In the Layer window (the one showing your image), select Layer – Transparency – Add Alpha Channel.If this is blanked out then it's already done. ...
4. Select Edit – Clear. ...
5. Save the file.

Gimp: Remove The Background And Make It Transparent

https://youtu.be/C0tg2mRroSY