- Processing
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- Processing Foundation

This reference is for Processing 3.0+. If you have a previous version, use the reference included with your software in the Help menu. If you see any errors or have suggestions, please let us know. If you prefer a more technical reference, visit the Processing Core Javadoc and Libraries Javadoc.

Name | ### lerpColor()
Examples |
    stroke(255);
    background(51);
    color from = color(204, 102, 0);
    color to = color(0, 102, 153);
    color interA = lerpColor(from, to, .33);
    color interB = lerpColor(from, to, .66);
    fill(from);
    rect(10, 20, 20, 60);
    fill(interA);
    rect(30, 20, 20, 60);
    fill(interB);
    rect(50, 20, 20, 60);
    fill(to);
    rect(70, 20, 20, 60);
Description | Calculates a color between two colors at a specific increment. The amt parameter is the amount to interpolate between the two values where 0.0 is equal to the first point, 0.1 is very near the first point, 0.5 is halfway in between, etc. An amount below 0 will be treated as 0. Likewise, amounts above 1 will be capped at 1. This is different from the behavior of lerp(), but necessary because otherwise numbers outside the range will produce strange and unexpected colors.
Syntax |
    lerpColor(c1, c2, amt)
Parameters |
c1 | int: interpolate from this color
c2 | int: interpolate to this color
amt | float: between 0.0 and 1.0
Returns | int
Related | color() lerp()

Updated on January 1, 2021 03:38:07am EST
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