Bitmap/Bresenham's line algorithm: Difference between revisions
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(→version 1: re-worked program to handle multiple-line segments.) |
m (→version 1: labeled the line-segments figure (shape).) |
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@.='·' /*fill the array with middle─dots*/ |
@.='·' /*fill the array with middle─dots*/ |
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parse arg data /*allow data point specifications*/ |
parse arg data /*allow data point specifications*/ |
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if data='' then data= '(1,8) (8,16) (16,8) (8,1) (1,8)' |
if data='' then data= '(1,8) (8,16) (16,8) (8,1) (1,8)' /*rhombus*/ |
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data=translate(data,,'()[]{}/,:;') /*elide chaff from data points. */ |
data=translate(data,,'()[]{}/,:;') /*elide chaff from data points. */ |
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/* [↓] data pt pairs ──► !.array.*/ |
/* [↓] data pt pairs ──► !.array.*/ |
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