Add 'batman logo wipe' transition

common/common/segments.py

@@ -111,6 +111,15 @@ CUSTOM_XFADE_TRANSITIONS = {
 		# Made by SenseAmidstMadness.
 		"if(lt(sqrt(pow(X-W/2,2)+pow(Y-H/2,2))/sqrt(pow(W/2,2)+pow(H/2,2)),pow((1-P),2)*(0.75)*1/cos((2*asin(cos(5*(atan2(Y-H/2,X-W/2)+PI/2)))+PI*3)/(10))), B, A)",
 	),
+	"batman": (
+		"Wipe using an expanding Batman logo from the center.",
+		# By SenseAmidstMadness based on equations from https://www.pacifict.com/Examples/Batman/
+		# Uses the progression variable P to gradually scale down the X and Y axes,
+		# with the effect of scaling up the logo over time. The logo also starts centered
+		# and shifts upward slightly to cover the entire source image at close to the same
+		# time.
+		"if(gt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,0),if(gt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),3),if(lt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),sqrt((1-pow((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3/3,2))*49)),B,A),if(gt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),1),if(lt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,6*sqrt(10)/7+1.5-0.5*abs((X-W/2)*14/W/pow(1-P,4)*0.3)-3*sqrt(10)/7*sqrt(4-pow(abs((X-W/2)*14/W/pow(1-P,4)*0.3)-1,2))),B,A),if(gt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),0.75),if(lt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,9-8*abs((X-W/2)*14/W/pow(1-P,4)*0.3)),B,A),if(gt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),0.50),if(lt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,3*abs((X-W/2)*14/W/pow(1-P,4)*0.3)+0.75),B,A),if(lt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,2.25),B,A))))),if(gt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),4),if(lt(abs((X-W/2)*14/W/pow(1-P,4)*0.3),sqrt((1-pow((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3/3,2))*49)),B,A),if(gt((H*(1/2-if(lt(P,0.5),pow(0.5-P,2)*0.4,0))-Y)*6/H/pow(1-P,4)*0.3,abs((X-W/2)*14/W/pow(1-P,4)*0.3/2)-(3*sqrt(33)-7)/112*pow((X-W/2)*14/W/pow(1-P,4)*0.3,2)-3+sqrt(1-pow(abs(abs((X-W/2)*14/W/pow(1-P,4)*0.3)-2)-1,2))),B,A)))"
+	)
 }