barycentricCoordinates

barycentricCoordinates(point, p0, p1, p2, result) → Cartesian3
Core/barycentricCoordinates.js 38

Computes the barycentric coordinates for a point with respect to a triangle.
Name Type Description
point Cartesian2 | Cartesian3 The point to test.
p0 Cartesian2 | Cartesian3 The first point of the triangle, corresponding to the barycentric x-axis.
p1 Cartesian2 | Cartesian3 The second point of the triangle, corresponding to the barycentric y-axis.
p2 Cartesian2 | Cartesian3 The third point of the triangle, corresponding to the barycentric z-axis.
result Cartesian3 optional The object onto which to store the result.
Returns:
The modified result parameter or a new Cartesian3 instance if one was not provided.
Example:
// Returns Cartesian3.UNIT_X
var p = new Cesium.Cartesian3(-1.0, 0.0, 0.0);
var b = Cesium.barycentricCoordinates(p,
  new Cesium.Cartesian3(-1.0, 0.0, 0.0),
  new Cesium.Cartesian3( 1.0, 0.0, 0.0),
  new Cesium.Cartesian3( 0.0, 1.0, 1.0));