56 lines
1.7 KiB
Dart
56 lines
1.7 KiB
Dart
import 'dart:math';
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// *_BORDER_WIDTH is the width INCLUDING the border.
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const STOKE_BORDER_WIDTH = 4.5;
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const STOKE_BORDER_COLOR = "#666";
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const STOKE_UNFILLED_COLOR = "#eee";
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const double STOKE_UNFILLED_WIDTH = 3;
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const STOKE_FILLING_COLOR = "#f00";
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const STOKE_FILLED_COLOR = "#000";
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const double STOKE_FILLED_WIDTH = 3.1;
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// brush settings
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const SHOW_BRUSH = true;
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const SHOW_BRUSH_FRONT_BORDER = true;
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const BRUSH_COLOR = "#f00";
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const double BRUSH_WIDTH = 5.5;
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const BRUSH_BORDER_COLOR = "#666";
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const double BRUSH_BORDER_WIDTH = 7;
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const WAIT_AFTER = 1.5;
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// gif settings
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const DELETE_TEMPORARY_FILES = false;
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const GIF_SIZE = 150;
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const GIF_FRAME_DURATION = 0.04;
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const GIF_BACKGROUND_COLOR = '#ddf';
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// set to true to allow transparent background, much bigger file!
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const GIF_ALLOW_TRANSPARENT = false;
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// edit here to decide what will be generated
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const GENERATE_SVG = true;
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const GENERATE_JS_SVG = true;
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const GENERATE_GIF = true;
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// sqrt, ie a stroke 4 times the length is drawn
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// at twice the speed, in twice the time.
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double stroke_length_to_duration(double length) => sqrt(length) / 8;
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// global time rescale, let's make animation a bit
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// faster when there are many strokes.
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double time_rescale(interval) => pow(2 * interval, 2.0 / 3).toDouble();
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// Possibilities are linear, ease, ease-in, ease-in-out, ease-out, see
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// https://developer.mozilla.org/en-US/docs/Web/CSS/timing-function
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// for more info.
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const TIMING_FUNCTION = "ease-in-out";
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//
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// colorful debug settings
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//
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// STOKE_BORDER_COLOR = "#00f"
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// STOKE_UNFILLED_COLOR = "#ff0"
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// STOKE_FILLING_COLOR = "#f00"
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// STOKE_FILLED_COLOR = "#000"
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// BRUSH_COLOR = "#0ff"
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// BRUSH_BORDER_COLOR = "#0f0" |