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Shader "Custom/2DToolkit_AnimatedTexture"
{
Properties
{
_MainTex ("Base (RGB)", 2D) = "white" {}
// Create the inspector values
_FrameWidth ("Frame Width", Float) = 0.0
_TotalFrames ("Total Frames", Float) = 0.0
_FPS ("FPS", Float) = 0.0
}
SubShader
{
Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
LOD 100
ZWrite Off
Blend SrcAlpha OneMinusSrcAlpha
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct v2f
{
float4 vertex : SV_POSITION;
half2 texcoord : TEXCOORD0;
};
sampler2D _MainTex;
float4 _MainTex_ST;
//Create the connection to the properties inside of the
//CG program
float _FrameWidth;
float _TotalFrames;
float _FPS;
float _Tick;
v2f vert (appdata_base v)
{
v2f o;
o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
//o.texcoord = mul(_Object2World, v.vertex).xy * _MainTex_ST.xy + _MainTex_ST.zw;
return o;
}
fixed4 frag (v2f i) : COLOR
{
//ANIMATION
float2 spriteUV = i.texcoord;
_Tick = frac(_Time.y * _FPS);
spriteUV.x = spriteUV.x + ( floor( _Tick * _TotalFrames ) * _FrameWidth );
fixed4 col = tex2D(_MainTex, spriteUV);
return col;
}
ENDCG
}
}
}
Shader "Custom/2DAnimatedTile"
{
Properties
{
_MainTex ("Base (RGB)", 2D) = "white" {}
// Create the inspector values
_TotalFrames ("Total FRames", Float) = 0.0
_FPS ("FPS", Float) = 0.0
}
SubShader
{
Tags {"Queue"="Transparent" "IgnoreProjector"="True" "RenderType"="Transparent"}
LOD 100
ZWrite Off
Blend SrcAlpha OneMinusSrcAlpha
Pass
{
CGPROGRAM
#pragma vertex vert
#pragma fragment frag
#include "UnityCG.cginc"
struct v2f
{
float4 vertex : SV_POSITION;
half2 texcoord : TEXCOORD0;
};
sampler2D _MainTex;
float4 _MainTex_ST;
//Create the connection to the properties inside of the
//CG program
float _TotalFrames;
float _FPS;
float _Tick;
v2f vert (appdata_base v)
{
v2f o;
o.vertex = mul(UNITY_MATRIX_MVP, v.vertex);
o.texcoord = TRANSFORM_TEX(v.texcoord, _MainTex);
return o;
}
fixed4 frag (v2f i) : COLOR
{
//ANIMATION
//Lets calculate the width of a single cell in our
//sprite sheet and get a uv percentage that each cel takes up.
float frameUVPercentage = 1.0/_TotalFrames;
//Lets store our UVs in a variable
float2 spriteUV = i.texcoord;
_Tick = frac(( _Time.y + frameUVPercentage ) * _FPS) - frameUVPercentage;
spriteUV.x = ( spriteUV.x + frameUVPercentage ) + ( floor( _Tick * _TotalFrames ) * frameUVPercentage );
fixed4 col = tex2D(_MainTex, spriteUV);
return col;
}
ENDCG
}
}
}The term "state" is very general, so it might help if you were more specific. It sounds like you're talking about using states for different "screens"? Like menu screens?
You could try it and see how it goes. Sometimes optimizing when you don't really need to is a waste of time. But if you do run into performance issues, you can draw "screens" by making your UI elements active or inactive. So if you had an Options state, maybe you'd activate a parent GameObject that contained all of your Options UI and inactive everything else.
Often an FSM has a place to put "I'm entering this state" code. So you could do that there for each UI state.
I ended up writing my own screen manager that works with NGUI to make that sort of thing easier, which could be overkill depending on how complex your UI is.
The only mobile game I've done only uses a single scene. There's an FSM to manage what to do when.
