diff options
Diffstat (limited to 'main_old.lua')
-rw-r--r-- | main_old.lua | 86 |
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 + |