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-rw-r--r--main_old.lua86
1 files changed, 86 insertions, 0 deletions
diff --git a/main_old.lua b/main_old.lua
new file mode 100644
index 0000000..160a0d7
--- /dev/null
+++ b/main_old.lua
@@ -0,0 +1,86 @@
+local class = require 'class'
+local hsluv = require 'hsluv'
+
+local tau = 2*math.pi
+local ZOOM = 200
+local G = love.graphics
+
+local function write_at(text,x,y)
+ G.push()
+ G.translate(x,y)
+ G.scale(1/ZOOM)
+ G.print(text,0,0)
+ G.pop()
+end
+
+local Port = class()
+Port.R = 0.1
+function Port.make(cls, x,y, num)
+ return setmetatable({x=x,y=y,n=num,wires={}},cls)
+end
+function Port.draw(self, istate)
+ local c = {0,0,0}
+ if istate == 'hover' then
+ c[1] = 1
+ end
+ love.graphics.setColor(c)
+ G.circle('line',self.x,self.y,self.R)
+ write_at(self.n, self.x, self.y)
+end
+function Port.contains(self, px,py)
+ local d = math.sqrt((self.x - px)^2 + (self.y - py)^2)
+ return d <= self.R
+end
+
+local ports = {}
+local n = 10
+for i = 1,n do
+ local theta = tau * i/n
+ table.insert(ports, Port:make(math.cos(theta), math.sin(theta), i))
+end
+ports[3].wires = {ports[6]}
+ports[5].wires = {ports[7],ports[2]}
+for i = 1,15 do
+ local r1,r2 = math.random(10), math.random(10)
+ if r1 ~= r2 then
+ table.insert(ports[r1].wires, ports[r2])
+ end
+end
+
+
+local function catenary(x1,y1,x2,y2)
+ -- https://math.stackexchange.com/questions/3557767/how-to-construct-a-catenary-of-a-specified-length-through-two-specified-points
+
+end
+
+local function wire_color(n)
+ local phi = (1+math.sqrt(5))/2
+ local h = (360*phi*n)%360
+ return hsluv.hsluv_to_rgb({h, 80, 60})
+end
+
+local state = 'normal'
+
+
+function love.draw()
+ local W,H = G.getDimensions()
+ G.clear(1,1,1)
+ G.setColor(0,0,0)
+ G.origin()
+ G.setLineWidth(0.01)
+ G.translate(W/2,H/2)
+ G.scale(ZOOM)
+
+ local mx,my = G.inverseTransformPoint(love.mouse.getPosition())
+ local wn = 0
+ for i,p in ipairs(ports) do
+ local istate = p:contains(mx,my) and 'hover' or 'normal'
+ p:draw(istate)
+ for _,q in ipairs(p.wires) do
+ G.setColor(wire_color(wn))
+ wn = wn + 1
+ catenary(p.x,p.y,q.x,q.y)
+ end
+ end
+end
+