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Reestructura carpetes: src->source, third_party->source/external, shaders->data/shaders

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Sergio
2026-05-04 13:21:34 +02:00
parent cec347a97c
commit e51ee84167
82 changed files with 36 additions and 39 deletions
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2
data/shaders/octograms/meta.txt Normal file
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Name: Octograms
Author: whisky_shusuky

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data/shaders/octograms/octograms.frag.msl Normal file
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#include <metal_stdlib>
using namespace metal;
// Octograms — whisky_shusuky
// MSL port of octograms.vk.glsl. The Shadertoy original uses a mutable
// file-scope `gTime`; in MSL we pass it as a parameter through the chain.
struct ShadertoyUBO {
float iTime;
float2 iResolution;
};
struct PassthroughVOut {
float4 pos [[position]];
float2 uv;
};
static float2x2 rot(float a) {
float c = cos(a), s = sin(a);
return float2x2(c, s, -s, c);
}
static float sdBox(float3 p, float3 b) {
float3 q = abs(p) - b;
return length(max(q, float3(0.0))) + min(max(q.x, max(q.y, q.z)), 0.0);
}
static float boxGeom(float3 pos, float scale) {
pos *= scale;
float base = sdBox(pos, float3(0.4, 0.4, 0.1)) / 1.5;
pos.xy = (pos.xy * 5.0 - float2(0.0, 3.5)) * rot(0.75);
return -base;
}
static float box_set(float3 pos, float gTime) {
float3 pos_origin = pos;
pos = pos_origin;
pos.y += sin(gTime * 0.4) * 2.5;
pos.xy = pos.xy * rot(0.8);
float box1 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.y -= sin(gTime * 0.4) * 2.5;
pos.xy = pos.xy * rot(0.8);
float box2 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x += sin(gTime * 0.4) * 2.5;
pos.xy = pos.xy * rot(0.8);
float box3 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x -= sin(gTime * 0.4) * 2.5;
pos.xy = pos.xy * rot(0.8);
float box4 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.xy = pos.xy * rot(0.8);
float box5 = boxGeom(pos, 0.5) * 6.0;
pos = pos_origin;
float box6 = boxGeom(pos, 0.5) * 6.0;
return max(max(max(max(max(box1, box2), box3), box4), box5), box6);
}
fragment float4 octograms_fs(PassthroughVOut in [[stage_in]],
constant ShadertoyUBO& U [[buffer(0)]]) {
float2 fragCoord = in.uv * U.iResolution;
float2 p = (fragCoord * 2.0 - U.iResolution) / min(U.iResolution.x, U.iResolution.y);
float3 ro = float3(0.0, -0.2, U.iTime * 4.0);
float3 ray = normalize(float3(p, 1.5));
ray.xy = ray.xy * rot(sin(U.iTime * 0.03) * 5.0);
ray.yz = ray.yz * rot(sin(U.iTime * 0.05) * 0.2);
float t = 0.1;
float ac = 0.0;
for (int i = 0; i < 99; i++) {
float3 pos = ro + ray * t;
pos = fract((pos - 2.0) / 4.0) * 4.0 - 2.0;
float gTime = U.iTime - float(i) * 0.01;
float d = box_set(pos, gTime);
d = max(abs(d), 0.01);
ac += exp(-d * 23.0);
t += d * 0.55;
}
float3 col = float3(ac * 0.02);
col += float3(0.0, 0.2 * abs(sin(U.iTime)), 0.5 + sin(U.iTime) * 0.2);
return float4(col, 1.0 - t * (0.02 + 0.02 * sin(U.iTime)));
}

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data/shaders/octograms/octograms.frag.spv Normal file
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data/shaders/octograms/octograms.gl.glsl Normal file
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// Name: Octograms
// Author: whisky_shusuky
// URL: https://www.shadertoy.com/view/tlVGDt
#version 330 core
precision highp float;
out vec4 FragColor;
in vec2 vUV;
uniform vec2 iResolution;
uniform float iTime;
float gTime = 0.0;
const float REPEAT = 5.0;
// rotación 2D
mat2 rot(float a) {
float c = cos(a), s = sin(a);
return mat2(c, s, -s, c);
}
float sdBox(vec3 p, vec3 b) {
vec3 q = abs(p) - b;
return length(max(q, vec3(0.0))) + min(max(q.x, max(q.y, q.z)), 0.0);
}
float boxGeom(vec3 pos, float scale) {
pos *= scale;
float base = sdBox(pos, vec3(.4, .4, .1)) / 1.5;
pos.xy *= 5.0;
pos.y -= 3.5;
pos.xy *= rot(.75);
float result = -base;
return result;
}
float box_set(vec3 pos, float iTimeLocal) {
vec3 pos_origin = pos;
pos = pos_origin;
pos.y += sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box1 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.y -= sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box2 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x += sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box3 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x -= sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box4 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.xy *= rot(.8);
float box5 = boxGeom(pos, .5) * 6.0;
pos = pos_origin;
float box6 = boxGeom(pos, .5) * 6.0;
float result = max(max(max(max(max(box1, box2), box3), box4), box5), box6);
return result;
}
float mapScene(vec3 pos, float iTimeLocal) {
return box_set(pos, iTimeLocal);
}
void mainImage(out vec4 fragColor, in vec2 fragCoord) {
vec2 p = (fragCoord.xy * 2.0 - iResolution.xy) / min(iResolution.x, iResolution.y);
vec3 ro = vec3(0.0, -0.2, iTime * 4.0);
vec3 ray = normalize(vec3(p, 1.5));
ray.xy = ray.xy * rot(sin(iTime * .03) * 5.0);
ray.yz = ray.yz * rot(sin(iTime * .05) * .2);
float t = 0.1;
vec3 col = vec3(0.0);
float ac = 0.0;
for (int i = 0; i < 99; i++) {
vec3 pos = ro + ray * t;
pos = mod(pos - 2.0, 4.0) - 2.0;
gTime = iTime - float(i) * 0.01;
float d = mapScene(pos, iTime);
d = max(abs(d), 0.01);
ac += exp(-d * 23.0);
t += d * 0.55;
}
col = vec3(ac * 0.02);
col += vec3(0.0, 0.2 * abs(sin(iTime)), 0.5 + sin(iTime) * 0.2);
fragColor = vec4(col, 1.0 - t * (0.02 + 0.02 * sin(iTime)));
}
void main() {
vec2 fragCoordPixels = vUV * iResolution;
vec4 outColor;
mainImage(outColor, fragCoordPixels);
FragColor = outColor;
}

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data/shaders/octograms/octograms.vk.glsl Normal file
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#version 450
// Name: Octograms
// Author: whisky_shusuky
// URL: https://www.shadertoy.com/view/tlVGDt
layout(location = 0) in vec2 vUV;
layout(location = 0) out vec4 FragColor;
layout(set = 3, binding = 0) uniform ShadertoyUBO {
float iTime;
vec2 iResolution;
};
float gTime = 0.0;
const float REPEAT = 5.0;
mat2 rot(float a) {
float c = cos(a), s = sin(a);
return mat2(c, s, -s, c);
}
float sdBox(vec3 p, vec3 b) {
vec3 q = abs(p) - b;
return length(max(q, vec3(0.0))) + min(max(q.x, max(q.y, q.z)), 0.0);
}
float boxGeom(vec3 pos, float scale) {
pos *= scale;
float base = sdBox(pos, vec3(.4, .4, .1)) / 1.5;
pos.xy *= 5.0;
pos.y -= 3.5;
pos.xy *= rot(.75);
float result = -base;
return result;
}
float box_set(vec3 pos, float iTimeLocal) {
vec3 pos_origin = pos;
pos = pos_origin;
pos.y += sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box1 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.y -= sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box2 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x += sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box3 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.x -= sin(gTime * 0.4) * 2.5;
pos.xy *= rot(.8);
float box4 = boxGeom(pos, 2.0 - abs(sin(gTime * 0.4)) * 1.5);
pos = pos_origin;
pos.xy *= rot(.8);
float box5 = boxGeom(pos, .5) * 6.0;
pos = pos_origin;
float box6 = boxGeom(pos, .5) * 6.0;
float result = max(max(max(max(max(box1, box2), box3), box4), box5), box6);
return result;
}
float mapScene(vec3 pos, float iTimeLocal) {
return box_set(pos, iTimeLocal);
}
void mainImage(out vec4 fragColor, in vec2 fragCoord) {
vec2 p = (fragCoord.xy * 2.0 - iResolution.xy) / min(iResolution.x, iResolution.y);
vec3 ro = vec3(0.0, -0.2, iTime * 4.0);
vec3 ray = normalize(vec3(p, 1.5));
ray.xy = ray.xy * rot(sin(iTime * .03) * 5.0);
ray.yz = ray.yz * rot(sin(iTime * .05) * .2);
float t = 0.1;
vec3 col = vec3(0.0);
float ac = 0.0;
for (int i = 0; i < 99; i++) {
vec3 pos = ro + ray * t;
pos = mod(pos - 2.0, 4.0) - 2.0;
gTime = iTime - float(i) * 0.01;
float d = mapScene(pos, iTime);
d = max(abs(d), 0.01);
ac += exp(-d * 23.0);
t += d * 0.55;
}
col = vec3(ac * 0.02);
col += vec3(0.0, 0.2 * abs(sin(iTime)), 0.5 + sin(iTime) * 0.2);
fragColor = vec4(col, 1.0 - t * (0.02 + 0.02 * sin(iTime)));
}
void main() {
vec2 fragCoordPixels = vUV * iResolution;
vec4 outColor;
mainImage(outColor, fragCoordPixels);
FragColor = outColor;
}