obj:avel_to_accel (broken)

1 files changed, 27 insertions, 0 deletions

diff --git a/objects/x.lua b/objects/x.lua
new file mode 100644
index 0000000..f97d1d4
--- /dev/null
+++ b/objects/x.lua
@@ -0,0 +1,27 @@
+local obj = require "obj"
+local util = require 'util'
+
+local x_obj = {hitbox = 4}
+
+function x_obj:draw()
+	set_color(0.5, 1, 0.8)
+	line(-4, 2, 0, 0, -2, 4, -4, 2)
+	line(0, 0, 2, 4, 4, 2, 0, 0)
+	line(0, 0, 4, -2, 2, -4, 0, 0)
+	line(0, 0, -2, -4, -4, -2, 0, 0)
+end
+
+local range = 40
+function x_obj:tick()
+    local x, y = unpack(self.data.pos)
+	for o in obj.in_circle(x, y, range) do
+		if o ~= self then
+			local px, py = self:observe_pos(o)
+			local mag = util.magnitude{px, py}
+			local dx, dy = px / mag, py / mag
+			self:avel_to_accel(o, dx * mag/range, dy * mag/range)
+		end
+	end
+end
+
+return {x = x_obj}