Ray
An infinite ray.
// Create a new ray starting at the position of this entity and pointing down
// the entity's negative Z axis
const ray = new pc.Ray(this.entity.getPosition(), this.entity.forward);Summary
Properties
| direction | The direction of the ray.[read only] |
| origin | The starting point of the ray.[read only] |
Methods
| clone | Returns a clone of the Ray. |
| copy | Copies the contents of a source Ray. |
| set | Sets origin and direction to the supplied vector values. |
Details
Constructor
Ray([origin], [direction])
Creates a new Ray instance. The ray is infinite, starting at a given origin and pointing in a given direction.
// Create a new ray starting at the position of this entity and pointing down
// the entity's negative Z axis
const ray = new pc.Ray(this.entity.getPosition(), this.entity.forward);Parameters
| origin | Vec3 | The starting point of the ray. The constructor copies this parameter. Defaults to the origin (0, 0, 0). |
| direction | Vec3 | The direction of the ray. The constructor copies this parameter. Defaults to a direction down the world negative Z axis (0, 0, -1). |