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style: move patch to its own file

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This commit is contained in:
neru
2026-06-02 04:42:16 -03:00
parent b3a5712c85
commit 673aabce50
2 changed files with 58 additions and 58 deletions
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src/app/fear/scene-components/hallway.tsx
+1 -58
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@@ -4,64 +4,7 @@ import { useTexture, PositionalAudio } from "@react-three/drei";
import * as THREE from "three"; import * as THREE from "three";
import { useFrame } from "@react-three/fiber"; import { useFrame } from "@react-three/fiber";
import { ShaderPatch } from "../shader-patch";
function ShaderPatch(shader: { vertexShader: string, fragmentShader: string, uniforms: Object }) {
shader.vertexShader = `
varying float vDepth;
#ifdef USE_MAP
varying vec2 vAffineUv;
#endif
${shader.vertexShader}
`;
shader.vertexShader = shader.vertexShader.replace(
`#include <project_vertex>`,
`
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
gl_Position = projectionMatrix * mvPosition;
float precisionModifier = 200.0;
gl_Position.xy /= gl_Position.w;
gl_Position.xy = floor(gl_Position.xy * precisionModifier) / precisionModifier;
gl_Position.xy *= gl_Position.w;
vDepth = gl_Position.w;
#ifdef USE_MAP
vAffineUv = vMapUv * gl_Position.w;
#endif
`
);
shader.fragmentShader = `
varying float vDepth;
#ifdef USE_MAP
varying vec2 vAffineUv;
#endif
${shader.fragmentShader}
`;
shader.fragmentShader = shader.fragmentShader.replace(
`#include <map_fragment>`,
`
#ifdef USE_MAP
vec2 flatAffineUV = vAffineUv / max(vDepth, 0.001);
vec2 warpDiff = flatAffineUV - vMapUv;
float warpDist = length(warpDiff);
float maxDistortion = 0.25;
float falloff = maxDistortion / (maxDistortion + warpDist);
vec2 finalUV = vMapUv + (warpDiff * falloff);
vec4 texelColor = texture2D( map, finalUV );
diffuseColor *= texelColor;
#endif
`
);
}
interface DoorProps { interface DoorProps {
position: [number, number, number]; position: [number, number, number];
src/app/fear/shader-patch.ts
+57
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@@ -0,0 +1,57 @@
export function ShaderPatch(shader: { vertexShader: string, fragmentShader: string, uniforms: Object }) {
shader.vertexShader = `
varying float vDepth;
#ifdef USE_MAP
varying vec2 vAffineUv;
#endif
${shader.vertexShader}
`;
shader.vertexShader = shader.vertexShader.replace(
`#include <project_vertex>`,
`
vec4 mvPosition = modelViewMatrix * vec4( position, 1.0 );
gl_Position = projectionMatrix * mvPosition;
float precisionModifier = 200.0;
gl_Position.xy /= gl_Position.w;
gl_Position.xy = floor(gl_Position.xy * precisionModifier) / precisionModifier;
gl_Position.xy *= gl_Position.w;
vDepth = gl_Position.w;
#ifdef USE_MAP
vAffineUv = vMapUv * gl_Position.w;
#endif
`
);
shader.fragmentShader = `
varying float vDepth;
#ifdef USE_MAP
varying vec2 vAffineUv;
#endif
${shader.fragmentShader}
`;
shader.fragmentShader = shader.fragmentShader.replace(
`#include <map_fragment>`,
`
#ifdef USE_MAP
vec2 flatAffineUV = vAffineUv / max(vDepth, 0.001);
vec2 warpDiff = flatAffineUV - vMapUv;
float warpDist = length(warpDiff);
float maxDistortion = 0.25;
float falloff = maxDistortion / (maxDistortion + warpDist);
vec2 finalUV = vMapUv + (warpDiff * falloff);
vec4 texelColor = texture2D( map, finalUV );
diffuseColor *= texelColor;
#endif
`
);
}