{
  "format": "shader-studio/v3",
  "kind": "shader",
  "exportedAt": "2026-10-06T00:00:00.000Z",
  "shader": {
    "id": "first-shader",
    "name": "First Shader",
    "description": "Animated blue-to-orange bands. Companion project for the Shadergrove first-shader tutorial.",
    "author": "Shadergrove",
    "controls": [
      {
        "key": "speed",
        "type": "number",
        "label": "Speed",
        "default": 1,
        "min": 0,
        "max": 3,
        "step": 0.05
      }
    ],
    "render": {
      "postProcessing": {
        "enabled": false,
        "effects": []
      }
    },
    "fragment": "precision highp float;\n\nuniform vec2 iResolution;\nuniform float iTime;\nuniform float u_speed;\n\nvarying vec2 vUv;\n\nvoid main() {\n  vec2 uv = vUv;\n  uv.x *= iResolution.x / iResolution.y;\n\n  float wave = 0.5 + 0.5 * sin(uv.x * 8.0 + iTime * u_speed);\n  vec3 blue = vec3(0.08, 0.20, 0.55);\n  vec3 orange = vec3(1.0, 0.45, 0.12);\n\n  gl_FragColor = vec4(mix(blue, orange, wave), 1.0);\n}\n",
    "vertex": "varying vec2 vUv;\n\nvoid main() {\n  vUv = uv;\n  gl_Position = projectionMatrix * modelViewMatrix * vec4(position, 1.0);\n}\n",
    "presets": [
      {
        "id": "calm",
        "name": "Calm",
        "createdAt": "2026-10-06T00:00:00.000Z",
        "values": {
          "speed": 0.4
        }
      },
      {
        "id": "fast",
        "name": "Fast",
        "createdAt": "2026-10-06T00:00:00.000Z",
        "values": {
          "speed": 2
        }
      }
    ]
  }
}