rl-loadout-lib/dist/webgl/include/vertex.js

Load Rocket League assets into three.js

"use strict";
Object.defineProperty(exports, "__esModule", { value: true });
// language=GLSL
exports.BASIC_VERT_SHADER = `
    attribute vec2 a_position;
    attribute vec2 a_texCoord;

    uniform vec2 u_resolution;

    varying vec2 v_texCoord;

    void main() {
        // convert the rectangle from pixels to 0.0 to 1.0
        vec2 zeroToOne = a_position / u_resolution;

        // convert from 0->1 to 0->2
        vec2 zeroToTwo = zeroToOne * 2.0;

        // convert from 0->2 to -1->+1 (clipspace)
        vec2 clipSpace = zeroToTwo - 1.0;

        gl_Position = vec4(clipSpace * vec2(1, -1), 0, 1);

        // pass the texCoord to the fragment shader
        // The GPU will interpolate this value between points.
        v_texCoord = a_texCoord;
    }
`;
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