akkartik/lines.love
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make points easier to acquire

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This commit is contained in:
Kartik K. Agaram 2022-05-14 16:15:50 -07:00
parent 7d6eeed194
commit 89b6eda6b9
1 changed files with 8 additions and 4 deletions
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12
main.lua
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@ -95,7 +95,7 @@ function love.draw()
draw_shape(16,line.y, line, shape)
end
for _,p in ipairs(line.points) do
if p.x == mx and p.y == my then
if near(p, mx,my) then
love.graphics.setColor(1,0,0)
love.graphics.circle('line', pixels(p.x)+16,pixels(p.y)+line.y, 4)
else
@ -173,10 +173,8 @@ function propagate_to_drawings(x,y, button)
end
function insert_point(points, x,y)
local px,py = pixels(x),pixels(y)
for i,point in ipairs(points) do
local cx,cy = pixels(point.x), pixels(point.y)
if (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16 then
if near(point, x,y) then
return i
end
end
@ -184,6 +182,12 @@ function insert_point(points, x,y)
return #points
end
function near(point, x,y)
local px,py = pixels(x),pixels(y)
local cx,cy = pixels(point.x), pixels(point.y)
return (cx-px)*(cx-px) + (cy-py)*(cy-py) < 16
end
function draw_shape(left,top, drawing, shape)
if shape.mode == 'freehand' then
local prev = nil