Create Point.lua

src/draw/Point.lua

@@ -0,0 +1,41 @@
+Point = {}
+Point.__index = Point
+
+function Point.new(vec2, color, size)
+    local self = setmetatable({}, Point)
+    self.vec2 = vec2 or { x = 0, y = 0 }
+    self.color = color or { 1, 1, 1, 1 }
+    self.size = size or 2
+    return self
+end
+
+function Point.draw_all(...)
+    local args = { ... }
+    local points
+
+    if type(args[1]) == "table" then
+        if getmetatable(args[1]) == Point then
+            points = args
+        else
+            points = args[1]
+        end
+    else
+        points = args
+    end
+
+    for _, point in ipairs(points) do
+        if getmetatable(point) == Point then
+            point:draw()
+        else
+            error("Invalid argument to Point.draw_all:" ..
+                "Expected a Point instance or a table of Point instances")
+        end
+    end
+end
+
+function Point:draw()
+    fill_circle({ self.vec2.x, self.vec2.y },
+        self.size,
+        color_paint(self.color)
+    )
+end