diff options
| author | yum <yumfood@airmail.cc> | 2022-09-27 01:06:27 -0700 |
|---|---|---|
| committer | yum <yumfood@airmail.cc> | 2022-09-27 01:36:04 -0700 |
| commit | b31daf071a1ccb0dd45ef78a96a8c1213b108858 (patch) | |
| tree | b54f268e0d4d611b18dc44da14e7f5d86fefbfc6 | |
initial commit
* initial checkin of shader
* 6 rows and 14 cols
* currently using Noto Sans Mono font
* AFAIK free as in beer & freedom
| -rw-r--r-- | TaSTT.shader | 296 | ||||
| -rw-r--r-- | TaSTT_texture.png | bin | 0 -> 111292 bytes | |||
| -rw-r--r-- | TaSTT_texture.xcf | bin | 0 -> 330316 bytes |
3 files changed, 296 insertions, 0 deletions
diff --git a/TaSTT.shader b/TaSTT.shader new file mode 100644 index 0000000..f865026 --- /dev/null +++ b/TaSTT.shader @@ -0,0 +1,296 @@ +Shader "Unlit/my_shader"
+{
+ Properties
+ {
+ _MainTex ("Texture", 2D) = "white" {}
+ // software "engineering" LULW
+ _Letter_Row00_Col00("Letter_Row00_Col00", float) = 0
+ _Letter_Row00_Col01("Letter_Row00_Col01", float) = 0
+ _Letter_Row00_Col02("Letter_Row00_Col02", float) = 0
+ _Letter_Row00_Col03("Letter_Row00_Col03", float) = 0
+ _Letter_Row00_Col04("Letter_Row00_Col04", float) = 0
+ _Letter_Row00_Col05("Letter_Row00_Col05", float) = 0
+ _Letter_Row00_Col06("Letter_Row00_Col06", float) = 0
+ _Letter_Row00_Col07("Letter_Row00_Col07", float) = 0
+ _Letter_Row00_Col08("Letter_Row00_Col08", float) = 0
+ _Letter_Row00_Col09("Letter_Row00_Col09", float) = 0
+ _Letter_Row00_Col10("Letter_Row00_Col10", float) = 0
+ _Letter_Row00_Col11("Letter_Row00_Col11", float) = 0
+ _Letter_Row00_Col12("Letter_Row00_Col12", float) = 0
+ _Letter_Row00_Col13("Letter_Row00_Col13", float) = 0
+ _Letter_Row01_Col00("Letter_Row01_Col00", float) = 0
+ _Letter_Row01_Col01("Letter_Row01_Col01", float) = 0
+ _Letter_Row01_Col02("Letter_Row01_Col02", float) = 0
+ _Letter_Row01_Col03("Letter_Row01_Col03", float) = 0
+ _Letter_Row01_Col04("Letter_Row01_Col04", float) = 0
+ _Letter_Row01_Col05("Letter_Row01_Col05", float) = 0
+ _Letter_Row01_Col06("Letter_Row01_Col06", float) = 0
+ _Letter_Row01_Col07("Letter_Row01_Col07", float) = 0
+ _Letter_Row01_Col08("Letter_Row01_Col08", float) = 0
+ _Letter_Row01_Col09("Letter_Row01_Col09", float) = 0
+ _Letter_Row01_Col10("Letter_Row01_Col10", float) = 0
+ _Letter_Row01_Col11("Letter_Row01_Col11", float) = 0
+ _Letter_Row01_Col12("Letter_Row01_Col12", float) = 0
+ _Letter_Row01_Col13("Letter_Row01_Col13", float) = 0
+ _Letter_Row02_Col00("Letter_Row02_Col00", float) = 0
+ _Letter_Row02_Col01("Letter_Row02_Col01", float) = 0
+ _Letter_Row02_Col02("Letter_Row02_Col02", float) = 0
+ _Letter_Row02_Col03("Letter_Row02_Col03", float) = 0
+ _Letter_Row02_Col04("Letter_Row02_Col04", float) = 0
+ _Letter_Row02_Col05("Letter_Row02_Col05", float) = 0
+ _Letter_Row02_Col06("Letter_Row02_Col06", float) = 0
+ _Letter_Row02_Col07("Letter_Row02_Col07", float) = 0
+ _Letter_Row02_Col08("Letter_Row02_Col08", float) = 0
+ _Letter_Row02_Col09("Letter_Row02_Col09", float) = 0
+ _Letter_Row02_Col10("Letter_Row02_Col10", float) = 0
+ _Letter_Row02_Col11("Letter_Row02_Col11", float) = 0
+ _Letter_Row02_Col12("Letter_Row02_Col12", float) = 0
+ _Letter_Row02_Col13("Letter_Row02_Col13", float) = 0
+ }
+ SubShader
+ {
+ Tags { "RenderType"="Opaque" }
+ LOD 100
+
+ Pass
+ {
+ CGPROGRAM
+ #pragma vertex vert
+ #pragma fragment frag
+
+ #include "UnityCG.cginc"
+
+ struct appdata
+ {
+ float4 vertex : POSITION;
+ float2 uv : TEXCOORD0;
+ float3 normal : NORMAL;
+ };
+
+ struct v2f
+ {
+ float2 uv : TEXCOORD0;
+ float4 vertex : SV_POSITION;
+ };
+
+ sampler2D _MainTex;
+ float4 _MainTex_ST;
+
+ float _Letter_Row00_Col00;
+ float _Letter_Row00_Col01;
+ float _Letter_Row00_Col02;
+ float _Letter_Row00_Col03;
+ float _Letter_Row00_Col04;
+ float _Letter_Row00_Col05;
+ float _Letter_Row00_Col06;
+ float _Letter_Row00_Col07;
+ float _Letter_Row00_Col08;
+ float _Letter_Row00_Col09;
+ float _Letter_Row00_Col10;
+ float _Letter_Row00_Col11;
+ float _Letter_Row00_Col12;
+ float _Letter_Row00_Col13;
+ float _Letter_Row01_Col00;
+ float _Letter_Row01_Col01;
+ float _Letter_Row01_Col02;
+ float _Letter_Row01_Col03;
+ float _Letter_Row01_Col04;
+ float _Letter_Row01_Col05;
+ float _Letter_Row01_Col06;
+ float _Letter_Row01_Col07;
+ float _Letter_Row01_Col08;
+ float _Letter_Row01_Col09;
+ float _Letter_Row01_Col10;
+ float _Letter_Row01_Col11;
+ float _Letter_Row01_Col12;
+ float _Letter_Row01_Col13;
+ float _Letter_Row02_Col00;
+ float _Letter_Row02_Col01;
+ float _Letter_Row02_Col02;
+ float _Letter_Row02_Col03;
+ float _Letter_Row02_Col04;
+ float _Letter_Row02_Col05;
+ float _Letter_Row02_Col06;
+ float _Letter_Row02_Col07;
+ float _Letter_Row02_Col08;
+ float _Letter_Row02_Col09;
+ float _Letter_Row02_Col10;
+ float _Letter_Row02_Col11;
+ float _Letter_Row02_Col12;
+ float _Letter_Row02_Col13;
+
+ v2f vert (appdata v)
+ {
+ v2f o;
+ o.vertex = UnityObjectToClipPos(v.vertex);
+ o.uv = 1.0 - v.uv;
+ return o;
+ }
+
+ // Write the nth letter in the current cell and return the value of the
+ // pixel.
+ float2 GetLetter(v2f i, float nth_letter)
+ {
+ // UV spans from [0,1] to [0,1].
+ // 'U' is horizontal; cols.
+ // 'V' is vertical; rows.
+ //
+ // I want to divide the mesh into an m x n grid.
+ // Thus given UV, I need to know a few things:
+ // 1. What grid cell I'm in. This is simply u * m, v * n.
+ float CHAR_ROWS = 6.0;
+ float CHAR_COLS = 14.0;
+ float CHAR_COL = floor(i.uv.x * CHAR_COLS);
+ float CHAR_ROW = floor(i.uv.y * CHAR_ROWS);
+
+ // OK, I know what cell I'm in. Now I need to know how far across it I
+ // am.
+ float CHAR_FRAC_COL = fmod(i.uv.x, 1.0 / CHAR_COLS) / (1.0 / CHAR_COLS);
+ float CHAR_FRAC_ROW = fmod(i.uv.y, 1.0 / CHAR_ROWS) / (1.0 / CHAR_ROWS);
+
+ // TODO(yum_food) figure out what's causing the outlines around letters
+ // and remove this. This simply reduces the size of the outlines.
+ float kappa = 0.01;
+ if (CHAR_FRAC_COL < kappa || CHAR_FRAC_ROW < kappa ||
+ CHAR_FRAC_COL > 1 - kappa || CHAR_FRAC_ROW > 1 - kappa) {
+ return float2(0, 0);
+ }
+
+ float LETTER_COLS = 26.6;
+ float LETTER_ROWS = 11.4;
+ float LETTER_COL = fmod(nth_letter, floor(LETTER_COLS));
+ float LETTER_ROW = floor(LETTER_ROWS) - floor(nth_letter / floor(LETTER_COLS));
+ float LETTER_UV_WD = (1.0 / LETTER_COLS);
+ float LETTER_UV_COL = (LETTER_UV_WD * LETTER_COL);
+ float LETTER_UV_HT = (1.0 / LETTER_ROWS);
+ float LETTER_UV_ROW = (LETTER_UV_HT * LETTER_ROW);
+
+ LETTER_UV_ROW += LETTER_UV_HT * CHAR_FRAC_ROW - LETTER_UV_HT * 0.6;
+ LETTER_UV_COL += LETTER_UV_WD * CHAR_FRAC_COL;
+
+ float2 uv;
+ uv.x = LETTER_UV_COL;
+ uv.y = LETTER_UV_ROW;
+
+ return uv;
+ }
+
+ // Get the value of the parameter for the cell we're in.
+ float GetLetterParameter(v2f i)
+ {
+ float CHAR_ROWS = 6.0;
+ float CHAR_COLS = 14.0;
+ float CHAR_COL = floor(i.uv.x * CHAR_COLS);
+ float CHAR_ROW = floor(i.uv.y * CHAR_ROWS);
+
+ // ok now this is epic
+ if (CHAR_ROW == 0) {
+ if (CHAR_COL == 0) {
+ return _Letter_Row00_Col00;
+ } else if (CHAR_COL == 1) {
+ return _Letter_Row00_Col01;
+ } else if (CHAR_COL == 2) {
+ return _Letter_Row00_Col02;
+ } else if (CHAR_COL == 3) {
+ return _Letter_Row00_Col03;
+ } else if (CHAR_COL == 4) {
+ return _Letter_Row00_Col04;
+ } else if (CHAR_COL == 5) {
+ return _Letter_Row00_Col05;
+ } else if (CHAR_COL == 6) {
+ return _Letter_Row00_Col06;
+ } else if (CHAR_COL == 7) {
+ return _Letter_Row00_Col07;
+ } else if (CHAR_COL == 8) {
+ return _Letter_Row00_Col08;
+ } else if (CHAR_COL == 9) {
+ return _Letter_Row00_Col09;
+ } else if (CHAR_COL == 10) {
+ return _Letter_Row00_Col10;
+ } else if (CHAR_COL == 11) {
+ return _Letter_Row00_Col11;
+ } else if (CHAR_COL == 12) {
+ return _Letter_Row00_Col12;
+ } else if (CHAR_COL == 13) {
+ return _Letter_Row00_Col13;
+ }
+ } else if (CHAR_ROW == 1) {
+ if (CHAR_COL == 0) {
+ return _Letter_Row01_Col00;
+ } else if (CHAR_COL == 1) {
+ return _Letter_Row01_Col01;
+ } else if (CHAR_COL == 2) {
+ return _Letter_Row01_Col02;
+ } else if (CHAR_COL == 3) {
+ return _Letter_Row01_Col03;
+ } else if (CHAR_COL == 4) {
+ return _Letter_Row01_Col04;
+ } else if (CHAR_COL == 5) {
+ return _Letter_Row01_Col05;
+ } else if (CHAR_COL == 6) {
+ return _Letter_Row01_Col06;
+ } else if (CHAR_COL == 7) {
+ return _Letter_Row01_Col07;
+ } else if (CHAR_COL == 8) {
+ return _Letter_Row01_Col08;
+ } else if (CHAR_COL == 9) {
+ return _Letter_Row01_Col09;
+ } else if (CHAR_COL == 10) {
+ return _Letter_Row01_Col10;
+ } else if (CHAR_COL == 11) {
+ return _Letter_Row01_Col11;
+ } else if (CHAR_COL == 12) {
+ return _Letter_Row01_Col12;
+ } else if (CHAR_COL == 13) {
+ return _Letter_Row01_Col13;
+ }
+ } else if (CHAR_ROW == 2) {
+ if (CHAR_COL == 0) {
+ return _Letter_Row02_Col00;
+ } else if (CHAR_COL == 1) {
+ return _Letter_Row02_Col01;
+ } else if (CHAR_COL == 2) {
+ return _Letter_Row02_Col02;
+ } else if (CHAR_COL == 3) {
+ return _Letter_Row02_Col03;
+ } else if (CHAR_COL == 4) {
+ return _Letter_Row02_Col04;
+ } else if (CHAR_COL == 5) {
+ return _Letter_Row02_Col05;
+ } else if (CHAR_COL == 6) {
+ return _Letter_Row02_Col06;
+ } else if (CHAR_COL == 7) {
+ return _Letter_Row02_Col07;
+ } else if (CHAR_COL == 8) {
+ return _Letter_Row02_Col08;
+ } else if (CHAR_COL == 9) {
+ return _Letter_Row02_Col09;
+ } else if (CHAR_COL == 10) {
+ return _Letter_Row02_Col10;
+ } else if (CHAR_COL == 11) {
+ return _Letter_Row02_Col11;
+ } else if (CHAR_COL == 12) {
+ return _Letter_Row02_Col12;
+ } else if (CHAR_COL == 13) {
+ return _Letter_Row02_Col13;
+ }
+ }
+
+ return float2(0, 0);
+ }
+
+ fixed4 frag (v2f i) : SV_Target
+ {
+ float letter = GetLetterParameter(i);
+ float2 uv = GetLetter(i, letter);
+ fixed4 ret = tex2D(_MainTex, uv);
+ if (uv.x == 0 && uv.y == 0) {
+ ret.xyz = 0;
+ ret.w = 0;
+ }
+ return ret;
+ }
+ ENDCG
+ }
+ }
+}
diff --git a/TaSTT_texture.png b/TaSTT_texture.png Binary files differnew file mode 100644 index 0000000..cf86821 --- /dev/null +++ b/TaSTT_texture.png diff --git a/TaSTT_texture.xcf b/TaSTT_texture.xcf Binary files differnew file mode 100644 index 0000000..7c84e56 --- /dev/null +++ b/TaSTT_texture.xcf |
