Sha256: 68dfcc6e8b5009ab5799c401ddd7d7300bb94160a2cbb651a57041410d350dfa
Contents?: true
Size: 1.69 KB
Versions: 4
Compression:
Stored size: 1.69 KB
Contents
(function (global, factory) {
if (typeof define === "function" && define.amd) {
define(["exports", "three"], factory);
} else if (typeof exports !== "undefined") {
factory(exports, require("three"));
} else {
var mod = {
exports: {}
};
factory(mod.exports, global.three);
global.NormalMapShader = mod.exports;
}
})(typeof globalThis !== "undefined" ? globalThis : typeof self !== "undefined" ? self : this, function (_exports, _three) {
"use strict";
Object.defineProperty(_exports, "__esModule", {
value: true
});
_exports.NormalMapShader = void 0;
/**
* Normal map shader
* - compute normals from heightmap
*/
var NormalMapShader = {
uniforms: {
'heightMap': {
value: null
},
'resolution': {
value: new _three.Vector2(512, 512)
},
'scale': {
value: new _three.Vector2(1, 1)
},
'height': {
value: 0.05
}
},
vertexShader:
/* glsl */
"\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tvUv = uv;\n\t\t\tgl_Position = projectionMatrix * modelViewMatrix * vec4( position, 1.0 );\n\n\t\t}",
fragmentShader:
/* glsl */
"\n\n\t\tuniform float height;\n\t\tuniform vec2 resolution;\n\t\tuniform sampler2D heightMap;\n\n\t\tvarying vec2 vUv;\n\n\t\tvoid main() {\n\n\t\t\tfloat val = texture2D( heightMap, vUv ).x;\n\n\t\t\tfloat valU = texture2D( heightMap, vUv + vec2( 1.0 / resolution.x, 0.0 ) ).x;\n\t\t\tfloat valV = texture2D( heightMap, vUv + vec2( 0.0, 1.0 / resolution.y ) ).x;\n\n\t\t\tgl_FragColor = vec4( ( 0.5 * normalize( vec3( val - valU, val - valV, height ) ) + 0.5 ), 1.0 );\n\n\t\t}"
};
_exports.NormalMapShader = NormalMapShader;
});
Version data entries
4 entries across 4 versions & 1 rubygems