Ray-triangle intersection 3D API

Möller–Trumbore ray/triangle intersection in 3D, returning the hit point, distance t and barycentric coordinates. Answers 'does this ray hit the triangle, and where?'.

Price$0.03per request

MethodPOST

Route/v1/geometry/ray-triangle

StatusLive

MIME typeapplication/json

Rate limit120/minute

Cache0s public

intersectionraytrianglemoller-trumborebarycentric3draytracing

API URLhttps://x402.hexl.dev/v1/geometry/ray-triangle

Integration docs

Example request

{
  "origin": [
    0.25,
    0.25,
    -1
  ],
  "direction": [
    0,
    0,
    1
  ],
  "v0": [
    0,
    0,
    0
  ],
  "v1": [
    1,
    0,
    0
  ],
  "v2": [
    0,
    1,
    0
  ]
}

Example response

{
  "hit": true,
  "t": 1,
  "point": [
    0.25,
    0.25,
    0
  ],
  "barycentric": {
    "u": 0.25,
    "v": 0.25,
    "w": 0.5
  }
}

Input schema

{
  "type": "object",
  "required": [
    "origin",
    "direction",
    "v0",
    "v1",
    "v2"
  ],
  "properties": {
    "origin": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0.25,
          0.25,
          -1
        ]
      ]
    },
    "direction": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0,
          0,
          1
        ]
      ]
    },
    "v0": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0,
          0,
          0
        ]
      ]
    },
    "v1": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          1,
          0,
          0
        ]
      ]
    },
    "v2": {
      "type": "array",
      "items": {
        "type": "number"
      },
      "examples": [
        [
          0,
          1,
          0
        ]
      ]
    }
  }
}

Output schema

{
  "type": "object",
  "additionalProperties": true
}