remove ctx:slope()

context/new.lua

@@ -17,7 +17,7 @@ function mtscad.create_context(opts)
         scale_pos = opts.scale_pos or vector.new(1,1,1),
         rotation = opts.rotation or mtscad.rotation_matrix_x(0),
         nodefactory = opts.nodefactory,
-        param2 = opts.param2 or 0,
+        node_param2 = opts.node_param2 or 0,
         job_context = job_context,
         -- global session info
         session = opts.session or {

context/param2.lua

@@ -1,7 +1,7 @@
 
 function mtscad.Context:param2(param2)
     local ctx = self:clone()
-    ctx.param2 = param2
+    ctx.node_param2 = param2
     return ctx
 end
 

context/polygon.lua

@@ -3,14 +3,14 @@ function mtscad.Context:polygon(points)
     for i=2, #points do
         local p1 = points[i-1]
         local p2 = points[i]
-        local p1_pos = vector.new(p1[1], p1[2], p1[3])
-        local p2_pos = vector.new(p2[1], p2[2], p2[3])
+        local p1_pos = vector.new(p1[1], p1[2], 0)
+        local p2_pos = vector.new(p2[1], p2[2], 0)
 
         local rel_p2 = vector.subtract(p2_pos, p1_pos)
 
         self
-        :translate(p1[1], p1[2], p1[3])
-        :line(rel_p2.x, rel_p2.y, rel_p2.z)
+        :translate(p1[1], p1[2], 0)
+        :line(rel_p2.x, rel_p2.y, 0)
     end
     return self
 end

context/set_node.lua

@@ -1,8 +1,8 @@
 function mtscad.Context:set_node()
     -- get node name and param2
     local node = self.nodefactory and self.nodefactory(self.param2) or { name="air" }
-    if not node.param2 and self.param2 then
-        node.param2 = self.param2
+    if not node.node_param2 and self.node_param2 then
+        node.param2 = self.node_param2
     end
 
     -- rotate param2

context/slope.lua

@@ -1,23 +0,0 @@
-
-
-local slope_param2 = {
-    ["1,1,0"] = 3,
-    ["-1,0,-1"] = 9,
-    ["-1,0,1"] = 5,
-    ["1,0,-1"] = 11,
-    ["1,0,1"] = 14,
-    ["1,-1,0"] = 21,
-    ["0,1,1"] = 2,
-    ["0,-1,1"] = 22,
-    ["-1,1,0"] = 1,
-    ["-1,-1,0"] = 23,
-    ["0,1,-1"] = 0,
-    ["0,-1,-1"] = 20
-}
-
-function mtscad.Context:slope(x, y, z)
-    local ctx = self:clone()
-    ctx.param2 = slope_param2[x .. "," .. y .. "," .. z]
-    return ctx
-end
-

context/with.lua

@@ -32,7 +32,7 @@ end
 
 function mtscad.Context:with(def)
     local ctx = self:clone()
-    ctx.nodefactory = create_nodefactory(def, self.param2)
+    ctx.nodefactory = create_nodefactory(def, self.node_param2)
     return ctx
 end
 

init.lua

@@ -13,7 +13,6 @@ dofile(MP .. "/context/polygon.lua")
 dofile(MP .. "/context/cube.lua")
 dofile(MP .. "/context/sphere.lua")
 dofile(MP .. "/context/dome.lua")
-dofile(MP .. "/context/slope.lua")
 dofile(MP .. "/context/scale.lua")
 dofile(MP .. "/context/param2.lua")
 dofile(MP .. "/context/cylinder.lua")

test/workspace/draw_line.lua

@@ -1,6 +1,6 @@
 return function(ctx)
     ctx
     :with("default:mese")
-    :slope(1,1,0)
+    :param2(3)
     :line(10,10,10)
 end

test/workspace/mirror.lua

@@ -2,7 +2,7 @@ local function fn(ctx)
     ctx
     :translate(2, 0, 1)
     :with("default:mese")
-    :slope(1, 1, 0)
+    :param2(3)
     :set_node()
 end