# Vec Provider Index

<table><thead><tr><th width="222">Type</th><th width="197">Description</th><th>Example</th></tr></thead><tbody><tr><td>lucky:constant</td><td>Specifies a constant vector 3d</td><td><pre class="language-json"><code class="lang-json"><strong>"pos": [0, 0, 0]
</strong></code></pre></td></tr><tr><td>lucky:heightmap</td><td>Specifies a block position at the y value based on the provided heightmap type</td><td><pre class="language-json"><code class="lang-json">"pos": {
  "center": [0, 0, 0],
  "heightmap": "OCEAN_FLOOR"
}
</code></pre></td></tr><tr><td>lucky:random</td><td>Specifies a random position</td><td><pre class="language-json"><code class="lang-json"><strong>"pos": [
</strong><strong>  {
</strong>    "type": "minecraft:uniform",
    "min_inclusive": 0.0,
    "max_exclusive": 1.0
  },
<strong>  0.0,
</strong><strong>  {
</strong><strong>    "type": "minecraft:uniform",
</strong><strong>    "min_inclusive": 0.0,
</strong><strong>    "max_exclusive": 1.0
</strong><strong>  }
</strong><strong>]
</strong></code></pre></td></tr><tr><td>lucky:random_in_shape</td><td>Specifies a random position in the shape provided</td><td><pre class="language-json"><code class="lang-json">"pos": {
  "type": "lucky:random_in_shape",
  "center": [0, 0, 0],
  "shape": {
    "type": "lucky:cube",
    "size": [3, 3, 3]
  }
}
</code></pre></td></tr><tr><td>lucky:random_velocity</td><td>Specifies a random velocity</td><td><pre class="language-json"><code class="lang-json">"Motion": {
  "type": "lucky:random_velocity",
  "power": 0.9,
  "pitch": 15
}
</code></pre></td></tr></tbody></table>


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