make points easier to acquire
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parent
7d6eeed194
commit
89b6eda6b9
12
main.lua
12
main.lua
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@ -95,7 +95,7 @@ function love.draw()
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draw_shape(16,line.y, line, shape)
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end
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for _,p in ipairs(line.points) do
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if p.x == mx and p.y == my then
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if near(p, mx,my) then
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love.graphics.setColor(1,0,0)
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love.graphics.circle('line', pixels(p.x)+16,pixels(p.y)+line.y, 4)
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else
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@ -173,10 +173,8 @@ function propagate_to_drawings(x,y, button)
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end
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function insert_point(points, x,y)
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local px,py = pixels(x),pixels(y)
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for i,point in ipairs(points) do
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local cx,cy = pixels(point.x), pixels(point.y)
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if (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16 then
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if near(point, x,y) then
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return i
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end
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end
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@ -184,6 +182,12 @@ function insert_point(points, x,y)
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return #points
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end
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function near(point, x,y)
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local px,py = pixels(x),pixels(y)
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local cx,cy = pixels(point.x), pixels(point.y)
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return (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16
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end
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function draw_shape(left,top, drawing, shape)
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if shape.mode == 'freehand' then
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local prev = nil
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