Examples Strict normalize sketch

norm.java

static public final float map(float value,
                                float start1, float stop1,
                                float start2, float stop2) {
    float outgoing =
      start2 + (stop2 - start2) * ((value - start1) / (stop1 - start1));
    String badness = null;
    if (outgoing != outgoing) {
      badness = "NaN (not a number)";

    } else if (outgoing == Float.NEGATIVE_INFINITY ||
               outgoing == Float.POSITIVE_INFINITY) {
      badness = "infinity";
    }
    if (badness != null) {
      final String msg =
        String.format("map(%s, %s, %s, %s, %s) called, which returns %s",
                      nf(value), nf(start1), nf(stop1),
                      nf(start2), nf(stop2), badness);
      PGraphics.showWarning(msg);
    }
    return outgoing;
}

strict_norm.rb

def settings
  size 800, 200
  # pixel_density(2) # for HiDpi screens
  # smooth # see https://processing.org/reference/smooth_.html
end

def setup
  sketch_title 'Strict Norm'
  color_mode(HSB, 1.0)
end

def draw
  background 0.3, 1.0, norm_strict(mouse_x, 0, height)
  fill norm_strict(mouse_x, 0, width), 1.0, 1.0
  ellipse(mouse_x, mouse_y, 50, 100)
end