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Random pattern #32

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merged 2 commits into from
Mar 10, 2014
Merged

Random pattern #32

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e516471
fix pattern randomness
p-lambert Mar 9, 2014
bd05c7d
remove triangles_rotated pattern
p-lambert Mar 10, 2014
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4 changes: 0 additions & 4 deletions README.md
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Original file line number Diff line number Diff line change
Expand Up @@ -90,10 +90,6 @@ You can then use this string to set the background:

![](http://jasonlong.github.io/geo_pattern/examples/triangles.png)

### triangles_rotated

![](http://jasonlong.github.io/geo_pattern/examples/triangles_rotated.png)

### squares

![](http://jasonlong.github.io/geo_pattern/examples/squares.png)
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45 changes: 0 additions & 45 deletions lib/geo_pattern/pattern.rb
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Expand Up @@ -24,7 +24,6 @@ class Pattern
tessellation
nested_squares
mosaic_squares
triangles_rotated
chevrons
].freeze

Expand Down Expand Up @@ -538,50 +537,6 @@ def geo_triangles
end
end

def geo_triangles_rotated
scale = hex_val(0, 1)
side_length = map(scale, 0, 15, 15, 80)
triangle_width = side_length/2 * Math.sqrt(3)
triangle = build_rotated_triangle_shape(side_length, triangle_width)

svg.set_width(triangle_width * 6)
svg.set_height(side_length * 3)

i = 0
for y in 0..5
for x in 0..5
val = hex_val(i, 1)
opacity = opacity(val)
fill = fill_color(val)

styles = {
"fill" => fill,
"fill-opacity" => opacity,
"stroke" => STROKE_COLOR,
"stroke-opacity" => STROKE_OPACITY
}

rotation = ""
if y % 2 == 0
rotation = x % 2 == 0 ? 180 : 0
else
rotation = x % 2 != 0 ? 180 : 0
end

svg.polyline(triangle, styles.merge({
"transform" => "translate(#{triangle_width*x}, #{y*side_length*0.5 - side_length/2}) rotate(#{rotation}, #{triangle_width/2}, #{side_length/2})"}))

# Add an extra one at top-right, for tiling.
if (y == 0)
svg.polyline(triangle, styles.merge({
"transform" => "translate(#{triangle_width*x}, #{6*side_length*0.5 - side_length/2}) rotate(#{rotation}, #{triangle_width/2}, #{side_length/2})"}))

end
i += 1
end
end
end

def geo_diamonds
diamond_width = map(hex_val(0, 1), 0, 15, 10, 50)
diamond_height = map(hex_val(1, 1), 0, 15, 10, 50)
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