Peforming Projections
projectPointOnEdge()
Creates a Face from specified edges
Syntax
cadlib._projectPointOnEdge(point, edges);
Parameters
| Name | Type | Description |
|---|---|---|
| point | Point | Point object to use for projection |
| edge | Edge | Target edge |
Returns
{
distance, // distance between point1 and point2
point1, // Source point used for projection {x,y,z}
point2 // The projected point at the edge {x,y,z}
}
projectPointOnFace()
Creates a Face from specified edges
Syntax
cadlib.projectPointOnFace(point, edges);
Parameters
| Name | Type | Description |
|---|---|---|
| point | Point | Point object to use for projection |
| face | Face | Target Face |
Returns
{
distance, // distance between point1 and point2
point1, // Source point used for projection {x,y,z}
point2 // The projected point at the edge {x,y,z}
}
projectShapeOnShape()
Creates a Face from specified edges
Syntax
cadlib._projectShapeOnShape(shape, face, options);
Parameters
| Name | Type | Description |
|---|---|---|
| shape | Shape | Shape to project |
| face | Face | Target face on which to project shape |
| options | Object | { maxDistance: |
Returns
getFaceUVFromPoint()
Gets UV parameters of a point on a face
Syntax
cadlib.getFaceUVFromPoint(face, point);
Parameters
| Name | Type | Description |
|---|---|---|
| face | Face | Target Face |
| point | Point | A point on the face |
Returns
{ x, y } where x is the U co-ordinate, y is the V co-ordiante
getFacePointFromUV()
Gets point and surface normal on a face with at a given UV
Syntax
cadlib.getFacePointFromUV(face, uv)
Parameters
| Name | Type | Description |
|---|---|---|
| face | Face | Target face |
| uv | UV | { x, y }, where x is the U co-ordinate and y is the V co-ordinate |
Returns
{
point, // Vec3
normal // normal at point on the face
}