Reference for Processing version 1.2. If you have a previous version, use the reference included with your software. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Javadoc.
| Name | screenY() |
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|---|---|---|---|---|---|---|---|
| Examples | void setup() {
size(100, 100, P3D);
}
void draw() {
background(204);
float x = mouseX;
float y = mouseY;
float 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 line in 2D at same y value
// Notice the parallax
stroke(102);
line(0, y, 0, width, y, 0);
// Draw 2D line to match the y value
// element drawn at z = -100
stroke(0);
float theY = screenY(x, y, z);
line(0, theY, 0, width, theY, 0);
} |
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| 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, z) |
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| Parameters |
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| Returns | float | ||||||
| Usage | Web & Application | ||||||
| Related | screenX() screenZ() |
