Drawfill
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jolly50
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Posted: Sat Nov 03, 2007 6:33 am Post subject: Drawfill |
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Hey,
I'm trying to learn about drawfill. So I printed a house and i'm trying to fill the house with colors, my problem is that i cannot fill the roof where I used lines instead of boxes.
So here is my code:
code: |
setscreen ("graphics")
% The House Foundation
drawbox (250,250,350,100,2)
drawfill (275,200,2,2)
% The House Roof
drawline (250,250,300,310,2)
drawline (300,310,350,250,2)
% The House Door
drawbox (280,100,310,150,2)
% The House Windows
drawbox (275,200,295,225,2)
drawbox (315,200,335,225,2)
% The House Chimney
drawline (325,281,325,291,2)
drawline (335,291,335,267,2)
drawline (325,291,335,291,2)
%Smoke
drawline (328,293,328,303,2)
drawline (332,305,332,315,2)
drawline (329,316,329,326,2)
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Should I keep the lines or is there another way to draw a triangle? |
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Sponsor Sponsor
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HeavenAgain
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Posted: Sat Nov 03, 2007 11:33 am Post subject: RE:Drawfill |
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theres something called drawfillbox, you can look that up, it bascially just ... draw and fill the box
code: | setscreen ("graphics")
% The House Foundation
drawfillbox (250,250,350,100,2)
% The House Roof
drawline (250,250,300,310,2)
drawline (300,310,350,250,2)
% The House Door
drawbox (280,100,310,150,2)
% The House Windows
drawbox (275,200,295,225,2)
drawbox (315,200,335,225,2)
% The House Chimney
drawline (325,281,325,291,2)
drawline (335,291,335,267,2)
drawline (325,291,335,291,2)
drawfill (275,275,1,2)
%Smoke
drawline (328,293,328,303,2)
drawline (332,305,332,315,2)
drawline (329,316,329,326,2) |
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CodeMonkey2000
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Posted: Sat Nov 03, 2007 11:38 am Post subject: RE:Drawfill |
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Is this an assignment or are you doing this for fun? I remember way back in grade 9 we had to draw animate a stupid clown winking using turing's draw module. What the hell does that have to do with proper programming concepts? It's just pointless. |
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Supernal
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Posted: Sat Nov 03, 2007 11:40 am Post subject: RE:Drawfill |
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I had to do this exact same project in Grd. 9.
As well as a space ship blasting off, then we finally started with simple calculators and stuff. |
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jolly50
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Posted: Sat Nov 03, 2007 12:30 pm Post subject: RE:Drawfill |
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ok I'm trying to fill the chimney and make it red, but somethings wrong......
code: |
setscreen ("graphics")
% The House Foundation
drawfillbox (250,250,350,100,2)
% The House Roof
drawline (250,250,300,310,2)
drawline (300,310,350,250,2)
drawfill (275,275,yellow,2)
% The House Door
drawfillbox (280,100,310,150,6)
% The House Windows
drawfillbox (275,200,295,225,6)
drawfillbox (315,200,335,225,6)
% The House Chimney
drawline (325,281,325,291,2)
drawline (335,291,335,267,2)
drawline (325,291,335,291,2)
drawfill (330,286,4,7)
%Smoke
drawline (328,293,328,303,8)
drawline (332,305,332,315,8)
drawline (329,316,329,326,8)
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what am i doing wrong |
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CodeMonkey2000
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Posted: Sat Nov 03, 2007 12:36 pm Post subject: RE:Drawfill |
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Use the drawfillpolygon procedure. |
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jolly50
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Posted: Sat Nov 03, 2007 1:20 pm Post subject: RE:Drawfill |
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can you put down an example of a drawfillpolygon because the help menu doesnt really help me |
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CodeMonkey2000
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Posted: Sat Nov 03, 2007 3:04 pm Post subject: Re: Drawfill |
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Basically you have two parallel arrays with the same dimensions. The first array contains all your x coordinates, the second contains the y. So X(1) and Y(1) together make one coordinate. Now you pass these in to drawfillpolygon, then you pass in how many sides your polygon has (this is generally equivalent to the upper bounds of the arrays). For you it's:
code: | var x : array 1 .. 4 of int := init (325, 325, 335, 335)
var y : array 1 .. 4 of int := init (281, 291, 291, 267)
Draw.FillPolygon (x, y, 4, brightblue) |
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Sponsor Sponsor
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jolly50
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Posted: Sat Nov 03, 2007 8:49 pm Post subject: RE:Drawfill |
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ok... that makes more sense then the help menu... thanks |
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Clayton
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Posted: Sun Nov 04, 2007 9:04 am Post subject: RE:Drawfill |
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The arrays don't necessarily have to be parrallel
Turing: |
var pentagon :
record
x : array 1 .. 5 of int
y : array 1 .. 5 of int
end record
//assign variables
Draw.FillPolygon (pentagon.x, pentagon.y, upper (pentagon.x ), red)
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