CrispyPin/cvr-props
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cleanup

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Crispy 2024-08-17 12:24:04 +02:00
parent 7071a0189d
commit 16305cd3fc
1 changed files with 20 additions and 18 deletions
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38
Assets/test/QRCode.shader
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@ -1,8 +1,8 @@
Shader "CrispyPin/QRCode" { Shader "CrispyPin/QRCode" {
Properties { Properties {
[HideInInspector] [HideInInspector]
_("",2D)="" _("",2D)=""{}
_Version("Version", Integer) = 1 _Version("Version", Range(1, 40)) = 1
} }
SubShader { SubShader {
Tags { "RenderType"="Opaque" } Tags { "RenderType"="Opaque" }
@ -14,6 +14,8 @@ CGPROGRAM
#define VERSION _Version #define VERSION _Version
#define WIDTH (17 + VERSION * 4) #define WIDTH (17 + VERSION * 4)
#define PIXEL_WIDTH WIDTH
// #define PIXEL_WIDTH 177
#define ALIGNERS ((VERSION / 7) + 2) #define ALIGNERS ((VERSION / 7) + 2)
#define ALIGNER_SPACING_IDEAL ((WIDTH - 13) / (ALIGNERS-1)) #define ALIGNER_SPACING_IDEAL ((WIDTH - 13) / (ALIGNERS-1))
#define ALIGNER_SPACING (ALIGNER_SPACING_IDEAL + ALIGNER_SPACING_IDEAL % 2) #define ALIGNER_SPACING (ALIGNER_SPACING_IDEAL + ALIGNER_SPACING_IDEAL % 2)
@ -40,24 +42,23 @@ CGPROGRAM
#define WHITE 1 #define WHITE 1
#define BLACK 0 #define BLACK 0
#define PINK float4(1, .3, .5, 1) #define PINK float3(1, .3, .5)
#define BLUE float4(0, .4, .7, 1) #define BLUE float3(0, .4, .7)
float4 finder_pattern(uint x, uint y) { float3 finder_pattern(uint x, uint y) {
if (x < 6 && x > 0 && y < 6 && y > 0) return !(x < 5 && x > 1 && y < 5 && y > 1); if (x < 6 && x > 0 && y < 6 && y > 0) return !(x < 5 && x > 1 && y < 5 && y > 1);
return (x > 6 || y > 6); return (x > 6 || y > 6);
} }
float4 main (float2 uv){ float3 main (float2 uv){
const uint data[] = {0x68656c6c,0x6f20776f,0x726c6421}; const uint data[] = {0x68656c6c,0x6f20776f,0x726c6421};
uv.y = 1 - uv.y; uv.y = 1 - uv.y;
uv = uv * 1.5 - 0.25; uv = uv * 1.5 - 0.25;
// Quiet zone // Quiet zone
if (uv.x < 0 || uv.x > 1 || uv.y < 0 || uv.y > 1) return 1; if (uv.x < 0 || uv.x > 1 || uv.y < 0 || uv.y > 1) return 1;
uint px = uv.x * WIDTH; uint px = uv.x * PIXEL_WIDTH;
uint py = uv.y * WIDTH; uint py = uv.y * PIXEL_WIDTH;
// Finder patterns // Finder patterns
if (px < 8 && py < 8) return finder_pattern(px, py); if (px < 8 && py < 8) return finder_pattern(px, py);
@ -77,14 +78,14 @@ CGPROGRAM
&& (px < WIDTH - 13 || py > 12) // top right && (px < WIDTH - 13 || py > 12) // top right
&& (py < WIDTH - 13 || px > 12) // bottom left && (py < WIDTH - 13 || px > 12) // bottom left
) { ) {
uint x = px + ALIGNER_SPACING - 4 - MISALIGNMENT; uint x = px + ALIGNER_SPACING - 4;
uint y = py + ALIGNER_SPACING - 4 - MISALIGNMENT; uint y = py + ALIGNER_SPACING - 4;
if (px < 15) x += MISALIGNMENT; if (px > 12) x -= MISALIGNMENT;
if (py < 15) y += MISALIGNMENT; if (py > 12) y -= MISALIGNMENT;
uint ax = x % ALIGNER_SPACING; x %= ALIGNER_SPACING;
uint ay = y % ALIGNER_SPACING; y %= ALIGNER_SPACING;
if (ax < 5 && ay < 5) { if (x < 5 && y < 5) {
return (ax < 4 && ax > 0 && ay < 4 && ay > 0 && !(ax == 2 && ay == 2)); return (x < 4 && x > 0 && y < 4 && y > 0 && !(x == 2 && y == 2));
} }
} }
@ -104,7 +105,8 @@ CGPROGRAM
uint direction_up = column & 1; uint direction_up = column & 1;
// return lerp(BLUE, PINK, column / (WIDTH/2.)); // return lerp(BLUE, PINK, column / (WIDTH/2.));
return lerp(BLUE, PINK, (px+py)&1); return lerp(BLUE, PINK, (px+py)&1);
// return float4((px/8 + py/8) & 1, (px/2 + py/2) & 1, (px/4 + py/4) & 1, 1); // return float3((px%5)/5., (px/10+py/10)&1, (py%5)/5.);
// return float3((px/8 + py/8) & 1, (px/2 + py/2) & 1, (px/4 + py/4) & 1, 1);
// return direction_up; // return direction_up;
return 0.5; return 0.5;
} }