Name

screenY()

Examples
def setup(): 
    size(100, 100, P3D)

def draw(): 
    background(204)
    x = mouseX
    y = mouseY
    z = -100
    # Draw "X" at z = -100
    stroke(255)
    line(x-10, y-10, z, x+10, y+10, z)
    line(x+10, y-10, z, x-10, y+10, z)
    # Draw gray line at z = 0 and same 
    # y value. Notice the parallax
    stroke(102)
    line(0, y, 0, width, y, 0)
    # Draw black line at z = 0 to match 
    # the y value element drawn at z = -100 
    stroke(0)
    theY = screenY(x, y, z)
    line(0, theY, 0, width, theY, 0)
Description Takes a three-dimensional X, Y, Z position and returns the Y value for where it will appear on a (two-dimensional) screen.
Syntax
screenY(x, y)
screenY(x, y, z)
Parameters
xfloat: 3D x-coordinate to be mapped
yfloat: 3D y-coordinate to be mapped
zfloat: 3D z-coordinate to be mapped
Related screenX()
screenZ()

Updated on Mon Sep 21 15:53:25 2020.

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