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Commit 396f5f7

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tznind
committed
Playing with animation on title screen - meh
1 parent 6060923 commit 396f5f7

1 file changed

Lines changed: 119 additions & 26 deletions

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‎src/UI/Editor.cs‎

Lines changed: 119 additions & 26 deletions
Original file line numberDiff line numberDiff line change
@@ -50,6 +50,9 @@ public class Editor : Toplevel
5050
private static string _keymapPath = string.Empty;
5151
private static string _logDirectory = string.Empty;
5252

53+
int step = 0;
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private int numberOfSteps = 50;
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5356
/// <summary>
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/// True to disable logging (must be set before constructing <see cref="Editor"/>).
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/// </summary>
@@ -75,6 +78,13 @@ public Editor()
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this.Closing += this.Editor_Closing;
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this.BuildRootMenu();
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82+
Application.AddTimeout(TimeSpan.FromMilliseconds(100), () =>
83+
{
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step = (step + 1) % numberOfSteps;
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this.SetNeedsDraw();
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return true;
87+
});
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}
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8090
private void LoadKeyMap()
@@ -341,6 +351,23 @@ protected override bool OnDrawingContent()
341351
return r;
342352
}
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354+
// The main ASCII art text block
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static readonly string
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ArtText = """
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___________ .__ .__
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\__ ___/__________ _____ |__| ____ _____ | |
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| |_/ __ \_ __ \/ \| |/ \\__ \ | |
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| |\ ___/| | \/ Y Y \ | | \/ __ \| |__
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|____| \___ >__| |__|_| /__|___| (____ /____/
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\/ \/ \/ \/
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________ .__ ________ .__
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/ _____/ __ __|__| \______ \ ____ _____|__| ____ ____ ___________
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/ \ ___| | \ | | | \_/ __ \ / ___/ |/ ___\ / \_/ __ \_ __ \
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\ \_\ \ | / | | ` \ ___/ \___ \| / /_/ > | \ ___/| | \/
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\______ /____/|__| /_______ /\___ >____ >__\___ /|___| /\___ >__|
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\/ \/ \/ \/ /_____/ \/ \/
369+
""".Replace("\r\n", "\n");
370+
344371
private void RenderTitle(Rectangle inArea)
345372
{
346373
var assembly = typeof(Label).Assembly;
@@ -353,31 +380,12 @@ private void RenderTitle(Rectangle inArea)
353380
informationalVersion = informationalVersion.Substring(0, informationalVersion.IndexOf('+'));
354381
}
355382

356-
// The main ASCII art text block
357-
string artText = """
358-
___________ .__ .__
359-
\__ ___/__________ _____ |__| ____ _____ | |
360-
| |_/ __ \_ __ \/ \| |/ \\__ \ | |
361-
| |\ ___/| | \/ Y Y \ | | \/ __ \| |__
362-
|____| \___ >__| |__|_| /__|___| (____ /____/
363-
\/ \/ \/ \/
364-
________ .__ ________ .__
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/ _____/ __ __|__| \______ \ ____ _____|__| ____ ____ ___________
366-
/ \ ___| | \ | | | \_/ __ \ / ___/ |/ ___\ / \_/ __ \_ __ \
367-
\ \_\ \ | / | | ` \ ___/ \___ \| / /_/ > | \ ___/| | \/
368-
\______ /____/|__| /_______ /\___ >____ >__\___ /|___| /\___ >__|
369-
\/ \/ \/ \/ /_____/ \/ \/
370-
""";
371-
372-
// Standardize the text
373-
artText = artText.Replace("\r\n", "\n");
374-
375383
// The version information line
376384
string versionLine = $"(Alpha - {informationalVersion} )";
377385
string logLine = "Logs - " + _logDirectory;
378386

379387
// Split the ASCII art into lines
380-
var artLines = artText.Split('\n');
388+
var artLines = ArtText.Split('\n');
381389

382390
// Calculate the starting point for centering the art text
383391
int artHeight = artLines.Length;
@@ -438,6 +446,10 @@ ________ .__ ________ .__
438446
int artStartX = inArea.X + (inArea.Width - artWidth) / 2;
439447
int artStartY = inArea.Y + (inArea.Height - artHeight - 1) / 2; // -1 for the version line below
440448

449+
int centerX = inArea.X + inArea.Width / 2;
450+
int centerY = inArea.Y + inArea.Height / 2;
451+
452+
441453
// Create the gradient
442454
var gradient = new Gradient(
443455
new[]
@@ -454,6 +466,22 @@ ________ .__ ________ .__
454466
);
455467
var fill = new GradientFill(inArea, gradient, GradientDirection.Diagonal);
456468

469+
470+
double t = 2 * Math.PI * step / (float)numberOfSteps; // full loop every
471+
472+
// Scale the figure-eight
473+
double fx = Math.Sin(t);
474+
double fy = Math.Sin(t) * Math.Cos(t);
475+
476+
// Define x/y radii of the figure
477+
int rx = (int)(inArea.Width * 0.3); // horizontal stretch
478+
int ry = (int)(inArea.Height * 1); // tall figure-eight
479+
480+
// Convert to screen coordinates
481+
int lightX = centerX + (int)(fx * rx);
482+
int lightY = centerY + (int)(fy * ry);
483+
484+
457485
// Render the ASCII art block
458486
for (int i = 0; i < artLines.Length; i++)
459487
{
@@ -463,8 +491,9 @@ ________ .__ ________ .__
463491
int x = artStartX + j;
464492
int y = artStartY + i;
465493

466-
var colorAtPoint = fill.GetColor(new Point(x, y));
467-
Driver.SetAttribute(new Attribute(new Color(colorAtPoint), new Color(Color.Black)));
494+
var baseColor = fill.GetColor(new Point(x, y));
495+
var adjustedColor = AdjustColorForLightDistance(lightX, lightY, baseColor, x, y);
496+
Driver.SetAttribute(new Attribute(new Color(adjustedColor), new Color(Color.Black)));
468497
this.AddRune(x, y, (Rune)line[j]);
469498
}
470499
}
@@ -478,11 +507,18 @@ ________ .__ ________ .__
478507
int x = versionLineX + i;
479508
int y = versionLineY;
480509

481-
var colorAtPoint = fill.GetColor(new Point(x, y));
482-
Driver.SetAttribute(new Attribute(new Color(colorAtPoint), new Color(Color.Black)));
510+
var baseColor = fill.GetColor(new Point(x, y));
511+
var adjustedColor = AdjustColorForLightDistance(lightX, lightY, baseColor, x, y);
512+
513+
Driver.SetAttribute(new Attribute(new Color(adjustedColor), new Color(Color.Black)));
483514
this.AddRune(x, y, (Rune)versionLine[i]);
484515
}
485516

517+
// Optional, to debug 'light' path
518+
Driver.SetAttribute(new Attribute(Color.BrightYellow, Color.Black));
519+
this.AddRune(lightX, lightY, new Rune('*'));
520+
521+
486522
if (Quiet)
487523
{
488524
return;
@@ -497,14 +533,71 @@ ________ .__ ________ .__
497533
int x = logLineX + i;
498534
int y = logLineY;
499535

500-
var colorAtPoint = fill.GetColor(new Point(x, y));
501-
Driver.SetAttribute(new Attribute(new Color(colorAtPoint), new Color(Color.Black)));
536+
var baseColor = fill.GetColor(new Point(x, y));
537+
var adjustedColor = AdjustColorForLightDistance(lightX, lightY, baseColor, x, y);
538+
539+
Driver.SetAttribute(new Attribute(new Color(adjustedColor), new Color(Color.Black)));
502540
this.AddRune(x, y, (Rune)logLine[i]);
503541
}
504542
}
505543
}
506544

545+
private int AdjustColorForLightDistance(int lightX, int lightY, Color baseColor, int x, int y)
546+
{
547+
548+
// Distance to light source
549+
double dx = x - lightX;
550+
double dy = y - lightY;
551+
double distSq = dx * dx + dy * dy;
552+
553+
const double maxDistSq = 1600.0; // Bigger influence area (~40 px radius)
554+
double normalized = Math.Min(distSq / maxDistSq, 1.0);
555+
556+
double brightnessDelta;
557+
558+
if (normalized < 0.2)
559+
{
560+
// Strong brightening close to light
561+
brightnessDelta = 0.4 - (normalized / 0.2) * 0.2; // 0.4 to 0.2
562+
}
563+
else if (normalized < 0.6)
564+
{
565+
// Smoothly fade to neutral
566+
brightnessDelta = 0.2 - ((normalized - 0.2) / 0.4) * 0.2; // 0.2 to 0
567+
}
568+
else
569+
{
570+
// Begin darkening
571+
brightnessDelta = -((normalized - 0.6) / 0.4) * 0.6; // 0 to -0.6
572+
}
573+
574+
return AdjustBrightness(baseColor, brightnessDelta);
575+
}
576+
577+
578+
private Color AdjustBrightness(Color color, double factor)
579+
{
580+
int r = color.R;
581+
int g = color.G;
582+
int b = color.B;
583+
584+
if (factor > 0)
585+
{
586+
r += (int)((255 - r) * factor);
587+
g += (int)((255 - g) * factor);
588+
b += (int)((255 - b) * factor);
589+
}
590+
else
591+
{
592+
r = (int)(r * (1.0 + factor)); // factor is negative, dims
593+
g = (int)(g * (1.0 + factor));
594+
b = (int)(b * (1.0 + factor));
595+
}
596+
597+
return new Color(Clamp(r), Clamp(g), Clamp(b));
598+
}
507599

600+
private int Clamp(int val) => Math.Max(0, Math.Min(255, val));
508601

509602

510603
/// <summary>

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