360 video are also known as spherical video which records a view in every direction at same time. Unlike normal video 360 video gives you complete 360- angle view. While watching these video you can control viewing direction. These are recorded by special rig cameras, or using a dedicated 360 camera that contains multiple camera lenses added into the device.
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Since new video component is added in unity it is possible to add 360 video. Si today in this tutorial, I will show you how to do Integrate 360 Video in Unity, for that first we need following Assets:
- Unity3d (5.6 or higher) - cross platform game editor we are using this for setup our scene
- 360 video - we also need 360 video which we want to integrate
- Android phone - for test our video
Step 1 - Create scene
The concept of 360 video is straightforward in unity we need rectangular frame for normal video and sphere frame for 360 video.
- First add a sphere object in scene, and put its position in center (0,0,0) scale radius (60,60,60).
- Also set camera position to (0,0,0) which is position of your player.
- Now run your scene and you can see that nothing going on because most game engine (unity) not allow to render inner side of object
camera inside sphere
Step 2 - Add shader
To render object form inside we need to add shader that will apply on sphere’s Material. In unity this process called reversing normal.
- Create Material folder inside Assets and add one Material
Assets> Create> Material
- Create Shader folder and add NewSurfaceShader to it
Shader> Create> Shader> NewSurfaceShader
- Now open NewSurfaceShader in editor and Replace the existing code/content with following code:
Shader "Flipping Normals" {
Properties {
_MainTex ("Base (RGB)", 2D) = "white" {}
}
SubShader {
Tags { "RenderType" = "Opaque" }
Cull Off
CGPROGRAM
#pragma surface surf Lambert vertex:vert
sampler2D _MainTex;
struct Input {
float2 uv_MainTex;
float4 color : COLOR;
};
void vert(inout appdata_full v) {
v.normal.xyz = v.normal * -1;
}
void surf (Input IN, inout SurfaceOutput o) {
fixed3 result = tex2D(_MainTex, IN.uv_MainTex);
o.Albedo = result.rgb;
o.Alpha = 1;
}
ENDCG
}
Fallback "Diffuse"
This shader code will Flip your sphere. Now play your Scene, you will see a big ball in scene, you just need to add video on sphere.
Step 3 - Add 360 video in sphere
- Import 360 video you want to add in scene. Now pick this video and placed it in sphere as an video component
- Download and import plugin for Google VR SDK . Go to File>Build setting click to Switch Platform (Android).
- Go to Player Setting>Other Setting select Cardboard to add it to list. Also enter Bundle ID field(unique). Now Build and Run App in your Android
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