[source code] motion blur
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Tony
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Posted: Sun Nov 09, 2003 3:51 pm Post subject: [source code] motion blur |
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based on my blur filter and thx to thoughtful for the idea
Motion Blur is used to blur images in a direction and with magnitude, creating an effect of the object moving in that direction.
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%a more advanced version of the Blur Filter.
%This includes the direction and magnitude of the blur
%so that motion blurs can be created
procedure Blur(direction:int, magnitude:int)
var d:array 1..maxx, 1..maxy of int %vertual image, holds pixel colors
var c:int:=255 %just a variable for color
var cr,cb,cg:array 1..magnitude of real %temporary colors
var acr,acb,acg:real %used for average color calculation
for x:1..maxx
for y:1..maxy
d(x,y):=whatdotcolor(x,y) %records pixel colors
end for
end for
for x:magnitude..maxx-magnitude
for y:magnitude..maxy-magnitude
for m:1..magnitude
RGB.GetColor(d(x+round(cosd(direction)*m),y+round(sind(direction)*m)),cr(m),cg(m),cb(m))
end for
acr:=0
for i:1..magnitude
acr+=cr(i)
end for
acr:=acr/magnitude %average color
acg:=0
for i:1..magnitude
acg+=cg(i)
end for
acg:=acg/magnitude %average color
acb:=0
for i:1..magnitude
acb+=cb(i)
end for
acb:=acb/magnitude %average color
RGB.SetColor(c,acr,acg,acb) %create the new color
Draw.Dot(x,y,c) %draw that color
end for
end for
end Blur
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Not much has changed. The only difference really is that trig is used to find which points to blur together.
Direction:int is degrees at which to blur, Magnitude:int is how many pixels in that direction will be blured.
Here're some SS:
Blur(0,10)
Blur(0,10) + redraw of text
Blur(45,25) + redraw of text
Note, I've left a border around the image of "Magnitude:int" length, so that filter would not crash, trying to get the color of a pixel outside the screen
Description: |
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12.92 KB |
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7923 Time(s) |
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10.97 KB |
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7921 Time(s) |
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10.04 KB |
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7916 Time(s) |
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Tony's programming blog. DWITE - a programming contest. |
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rizzix
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Posted: Sun Nov 09, 2003 7:39 pm Post subject: (No subject) |
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as i said nice stuff
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thoughtful
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Posted: Mon Nov 10, 2003 3:38 pm Post subject: (No subject) |
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Hey tony this is jus great, i wasn't expecting an effect this great this fast. it is splendid.
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