make favicon version of logo

resources/transbeam-common.asy

@@ -0,0 +1,48 @@
+struct transbeamPrefs {
+  real triangleRadius;
+  real borderInset;
+  real circleRadius;
+  real bigBeamRadius;
+  real smallBeamRadius;
+  real beamCount;
+  real beamAngle;
+  real starterBeamAngle;
+}
+
+void drawTransbeam(transbeamPrefs prefs) {
+  unravel prefs;
+
+  pen transBlue = rgb("55cdfc");
+  pen transPink = rgb("f7a8b8");
+
+  pen bigBeamColor = transPink;
+  pen smallBeamColor = transBlue;
+
+  path borderTriangle = dir(90)--dir(210)--dir(330)--cycle;
+  path outerBorder = scale(triangleRadius)*borderTriangle;
+  fill(outerBorder, white);
+
+  path beam(real angle, real innerRadius, real outerRadius) {
+    return arc((0,0), outerRadius, angle/2, -angle/2)--arc((0,0), innerRadius, -angle/2, angle/2)--cycle;
+  }
+
+  path bigBeam = beam(beamAngle, circleRadius, bigBeamRadius);
+  path smallBeam = beam(beamAngle, circleRadius, smallBeamRadius);
+
+  for (int i = 0; i < beamCount; ++i) {
+    if (i > 0) {
+      fill(rotate(360*i/beamCount)*bigBeam, bigBeamColor);
+    }
+    fill(rotate(360*(i+0.5)/beamCount)*smallBeam, smallBeamColor);
+  }
+
+  pair starterBeamTrianglePoint(real angle) {
+    pair circlePoint = circleRadius*dir(angle);
+    return intersectionpoint(circlePoint--(circlePoint+(triangleRadius,0)), outerBorder);
+  }
+
+  fill(starterBeamTrianglePoint(-starterBeamAngle/2)--arc((0,0), circleRadius, -starterBeamAngle/2, starterBeamAngle/2)--starterBeamTrianglePoint(starterBeamAngle/2)--cycle, bigBeamColor);
+
+  draw(outerBorder, transPink+(2*borderInset));
+  draw(scale(triangleRadius-borderInset)*borderTriangle, transBlue+borderInset);
+}

resources/transbeam-favicon.asy

@@ -0,0 +1,13 @@
+import "transbeam-common.asy" as transbeam;
+
+transbeamPrefs prefs;
+prefs.triangleRadius = 100;
+prefs.borderInset = 14;
+prefs.circleRadius = 12;
+prefs.bigBeamRadius = 36;
+prefs.smallBeamRadius = 36;
+prefs.beamCount = 3;
+prefs.beamAngle = 40;
+prefs.starterBeamAngle = 80;
+
+drawTransbeam(prefs);

resources/transbeam.asy

@@ -1,43 +1,13 @@
-real triangleRadius = 100;
-real borderInset = 6;
+import "transbeam-common.asy" as transbeam;
 
-real circleRadius = 12;
-real bigBeamRadius = 36;
-real smallBeamRadius = 25;
-real beamCount = 12;
-real beamAngle = 7;
-real starterBeamAngle = 16;
+transbeamPrefs prefs;
+prefs.triangleRadius = 100;
+prefs.borderInset = 6;
+prefs.circleRadius = 12;
+prefs.bigBeamRadius = 36;
+prefs.smallBeamRadius = 25;
+prefs.beamCount = 12;
+prefs.beamAngle = 7;
+prefs.starterBeamAngle = 16;
 
-pen transBlue = rgb("55cdfc");
-pen transPink = rgb("f7a8b8");
-
-pen bigBeamColor = transPink;
-pen smallBeamColor = transBlue;
-
-path borderTriangle = dir(90)--dir(210)--dir(330)--cycle;
-path outerBorder = scale(triangleRadius)*borderTriangle;
-fill(outerBorder, white);
-
-path beam(real angle, real innerRadius, real outerRadius) {
-  return arc((0,0), outerRadius, angle/2, -angle/2)--arc((0,0), innerRadius, -angle/2, angle/2)--cycle;
-}
-
-path bigBeam = beam(beamAngle, circleRadius, bigBeamRadius);
-path smallBeam = beam(beamAngle, circleRadius, smallBeamRadius);
-
-for (int i = 0; i < beamCount; ++i) {
-  if (i > 0) {
-    fill(rotate(360*i/beamCount)*bigBeam, bigBeamColor);
-  }
-  fill(rotate(360*(i+0.5)/beamCount)*smallBeam, smallBeamColor);
-}
-
-pair starterBeamTrianglePoint(real angle) {
-  pair circlePoint = circleRadius*dir(angle);
-  return intersectionpoint(circlePoint--(circlePoint+(triangleRadius,0)), outerBorder);
-}
-
-fill(starterBeamTrianglePoint(-starterBeamAngle/2)--arc((0,0), circleRadius, -starterBeamAngle/2, starterBeamAngle/2)--starterBeamTrianglePoint(starterBeamAngle/2)--cycle, bigBeamColor);
-
-draw(outerBorder, transPink+(2*borderInset));
-draw(scale(triangleRadius-borderInset)*borderTriangle, transBlue+borderInset);
+drawTransbeam(prefs);