Remove vector assertions

These were initially added to get tracebacks for invalid vector errors, but it
didn't work and tracebacks have since been properly fixed in the core.

diff --git a/builtin/common/vector.lua b/builtin/common/vector.lua
index 77944b612111c6019ff057ae869ae65985f4eafb..88ccfe6da4fead4c298ba22acd392c8e46796a1c 100644 (file)
--- a/builtin/common/vector.lua
+++ b/builtin/common/vector.lua
@@ -1,10 +1,6 @@
 
 vector = {}
 
-local function assert_vector(v)
-       assert(type(v) == "table" and v.x and v.y and v.z, "Invalid vector")
-end
-
 function vector.new(a, b, c)
        if type(a) == "table" then
                assert(a.x and a.y and a.z, "Invalid vector passed to vector.new()")
@@ -17,20 +13,16 @@ function vector.new(a, b, c)
 end
 
 function vector.equals(a, b)
-       assert_vector(a)
-       assert_vector(b)
        return a.x == b.x and
               a.y == b.y and
               a.z == b.z
 end
 
 function vector.length(v)
-       assert_vector(v)
        return math.hypot(v.x, math.hypot(v.y, v.z))
 end
 
 function vector.normalize(v)
-       assert_vector(v)
        local len = vector.length(v)
        if len == 0 then
                return {x=0, y=0, z=0}
@@ -40,7 +32,6 @@ function vector.normalize(v)
 end
 
 function vector.round(v)
-       assert_vector(v)
        return {
                x = math.floor(v.x + 0.5),
                y = math.floor(v.y + 0.5),
@@ -49,8 +40,6 @@ function vector.round(v)
 end
 
 function vector.distance(a, b)
-       assert_vector(a)
-       assert_vector(b)
        local x = a.x - b.x
        local y = a.y - b.y
        local z = a.z - b.z
@@ -58,8 +47,6 @@ function vector.distance(a, b)
 end
 
 function vector.direction(pos1, pos2)
-       assert_vector(pos1)
-       assert_vector(pos2)
        local x_raw = pos2.x - pos1.x
        local y_raw = pos2.y - pos1.y
        local z_raw = pos2.z - pos1.z
@@ -89,9 +76,7 @@ end
 
 
 function vector.add(a, b)
-       assert_vector(a)
        if type(b) == "table" then
-           assert_vector(b)
                return {x = a.x + b.x,
                        y = a.y + b.y,
                        z = a.z + b.z}
@@ -103,9 +88,7 @@ function vector.add(a, b)
 end
 
 function vector.subtract(a, b)
-       assert_vector(a)
        if type(b) == "table" then
-           assert_vector(b)
                return {x = a.x - b.x,
                        y = a.y - b.y,
                        z = a.z - b.z}
@@ -117,9 +100,7 @@ function vector.subtract(a, b)
 end
 
 function vector.multiply(a, b)
-       assert_vector(a)
        if type(b) == "table" then
-           assert_vector(b)
                return {x = a.x * b.x,
                        y = a.y * b.y,
                        z = a.z * b.z}
@@ -131,9 +112,7 @@ function vector.multiply(a, b)
 end
 
 function vector.divide(a, b)
-       assert_vector(a)
        if type(b) == "table" then
-        assert_vector(b)
                return {x = a.x / b.x,
                        y = a.y / b.y,
                        z = a.z / b.z}