How do it convert 2D Points From 3d Points in ArKit iOS

问题

how do i get the 2d points to plot on to uiview from 3d SCNNode.

Suppose i have following SCNNodes

pos(1.002163 -0.524722 -0.770023) pos(1.174463 -0.765098 -0.607172) pos(0.668790 -0.744061 -0.696863) pos(0.781208 -0.744061 -1.228943)

And i need 2d points from above .I am new to arkit please help me

回答1:

You are looking for projectPoint

let projectedPoint = sceneView.projectPoint(pos)

来源：https://stackoverflow.com/questions/50741286/how-do-it-convert-2d-points-from-3d-points-in-arkit-ios