initial commit

engine/vector.lua

@@ -0,0 +1,24 @@
+vector = {}
+vector.utils = {}
+
+function vec(x, y)
+	return {
+		x = x,
+		y = y,
+	}
+end
+
+function vector.utils.input_vector()
+	local vec = { x = 0, y = 0 }
+	vec.x = vector.utils.bool_to_int(input.held(input.RIGHT)) - vector.utils.bool_to_int(input.held(input.LEFT))
+	vec.y = vector.utils.bool_to_int(input.held(input.DOWN)) - vector.utils.bool_to_int(input.held(input.UP))
+	return vec
+end
+
+function vector.utils.bool_to_int(b)
+	if b == true then
+		return 1
+	else
+		return 0
+	end
+end