diff options
Diffstat (limited to 'main.lua')
| -rw-r--r-- | main.lua | 58 |
1 files changed, 48 insertions, 10 deletions
@@ -59,6 +59,11 @@ function Wire.make(cls, p1,p2, color) }, cls) end function Wire.draw(self, istate) + if istate == 'normal' then + G.setLineWidth(0.01) + else + G.setLineWidth(0.02) + end G.setColor(self.color) G.line(self.curve) end @@ -105,23 +110,29 @@ function PortGraph.add(self,...) local p = Port:make(...) self.ports[p] = true end -function PortGraph.istate_of_port(self,port) +function PortGraph.istate_of_port(self,port,emph) if self.state == 'joining' and self.selected == port then return 'selected' elseif self.state == 'editing' and self.selected == port then return 'editing' - elseif port:contains(util.mouse_pos()) then + elseif emph[port] then return 'hover' else return 'normal' end end -function PortGraph.istate_of_wire(self, wire) - return 'normal' +function PortGraph.istate_of_wire(self, wire, emph) + if emph[wire] then return 'hover' else return 'normal' end end function PortGraph.draw(self) + local hp = hovered(self.ports) + local emph_ports = {} + local emph_wires = {} + if hp then + emph_ports, emph_wires = self:trans_conns(hp) + end for p in pairs(self.ports) do - local istate = self:istate_of_port(p) + local istate = self:istate_of_port(p, emph_ports) p:draw(istate) end for w in pairs(self.wires) do @@ -130,7 +141,7 @@ function PortGraph.draw(self) goto next end end - local istate = self:istate_of_wire(w) + local istate = self:istate_of_wire(w, emph_wires) w:draw(istate) ::next:: end @@ -148,6 +159,23 @@ function PortGraph.draw(self) end end end +function PortGraph.trans_conns(self, port) + local seen = {} + local queue = {[port]=true} + local wires = {} + while next(queue) do + local p = next(queue) + queue[p] = nil + seen[p] = true + for q,w in pairs(p.conns) do + if not seen[q] then + queue[q] = true + wires[w] = true + end + end + end + return seen, wires +end function PortGraph.make_edit_handles(self) local p = self.selected @@ -252,11 +280,21 @@ function PortGraph.remove_conn(self,p1,p2) end local pg = PortGraph:make() -local n = 10 -for i = 1,n do - local theta = tau * i/n - pg:add(math.cos(theta), math.sin(theta), i) +local i = 1 +local S = math.sqrt(3) +for q = -3,2 do + for r = -3,3 do + local x = q*S + r*S/2 + local y = r*3/2 + pg:add(x/4,y/4,i) + i=i+1 + end end +-- local n = 10 +-- for i = 1,n do +-- local theta = tau * i/n +-- pg:add(math.cos(theta), math.sin(theta), i) +-- end function love.mousepressed(x,y,b) local ok, err = pcall(pg.click, pg, b) |