export declare const heightVertexShader = "\n  varying vec2 vUv;\n  varying vec3 vWorldPosition;\n  uniform float uHeight;\n  uniform sampler2D map;\n\n  void main() {\n    vUv = uv;\n    vec4 worldPosition = modelMatrix * vec4(position, 1.0);\n    vWorldPosition = worldPosition.xyz;\n    float h = texture2D(map, vUv).a * uHeight;\n    // gl_Position = projectionMatrix * viewMatrix * vec4(worldPosition.x, worldPosition.y, h, 1.0);\n     gl_Position = projectionMatrix * modelViewMatrix * vec4(position.x, position.y, position.z, 1.0);\n  }\n";
export declare const heightFragmentShader = "\n  uniform sampler2D map;\n  uniform float granularity;\n  uniform float threshold;\n  uniform vec2 uRange;\n  varying vec2 vUv;\n  varying vec3 vWorldPosition;\n  uniform float uOpacity;\n  uniform bool isPixel;\n\n  \nvec4 createPixelGraphEffect(sampler2D map, vec2 vUv, float granularity, float threshold, vec2 range, vec3 worldPos) {\n    vec2 pixelSize = vec2(1.0) / granularity;\n    vec2 cell = floor(vUv / pixelSize);\n    vec2 cellUv = fract(vUv / pixelSize);\n\n    vec4 texColor = texture2D(map, (cell + 0.5) * pixelSize);\n\n    vec2 pointCenter = vec2(0.5, 0.5);\n    vec2 rotatedUv = cellUv - pointCenter;\n    vec2 rotated = vec2(\n      (rotatedUv.x - rotatedUv.y) * 0.7071067811865476,\n      (rotatedUv.x + rotatedUv.y) * 0.7071067811865476\n    );\n\n    float dist = abs(rotated.x) + abs(rotated.y);\n\n    float intensity = (texColor.r + texColor.g + texColor.b) / 3.0;\n    float pointSize = 0.3 * smoothstep(0.0, threshold, intensity);\n\n    if (dist > pointSize || intensity < 0.05) {\n      discard;\n    }\n\n    return texColor;\n}\n\n\n  void main() {\n    vec4 texColor = isPixel ? \n                    createPixelGraphEffect(map, vUv, granularity, threshold, uRange, vWorldPosition) : \n                    texture2D(map, vUv);\n    \n    float a = texColor.a * uOpacity;\n    gl_FragColor = texColor;\n    gl_FragColor.a = min(a, 1.0); \n\n    // if(vWorldPosition.x < uRange.x || vWorldPosition.x > uRange.y || \n    //    vWorldPosition.z < uRange.x || vWorldPosition.z > uRange.y) {\n    //     discard;\n    // }\n  }\n";