feat: 📦 added scm load

Author: ChristophLHR

.github/workflows/test.yml

@@ -28,5 +28,5 @@ jobs:
 
     - name: test
       run: |
-        busted .
+        busted vector
       # further tests here

scm.lua

@@ -0,0 +1,9 @@
+--- This simulates the files requried from the SCM module
+local scm = {}
+
+function scm:load(name)
+    return require(name)
+end
+
+
+return scm

vector/tests/test_spec.lua

@@ -101,20 +101,20 @@ describe('Vector', function()
     end)
     it('should transform a vector to the right', function()
         local v1 = vector.new(1, 0, 0)
-        local v2 = v1:transformRight()
+        local v2 = v1:rotate(90)
         assert.are.same("v=-0,0,1", "v="..tostring(v2))
-        local v3 = v2:transformRight()
+        local v3 = v2:rotate(90)
         assert.are.same("v=-1,0,-0", "v="..tostring(v3))
-        local v4 = v3:transformRight()
+        local v4 = v3:rotate(90)
         assert.are.same("v=0,0,-1", "v="..tostring(v4))
     end)
     it('should transform a vector to the left', function()
         local v1 = vector.new(1, 0, 0)
-        local v2 = v1:transformLeft()
+        local v2 = v1:rotate(270)
         assert.are.same("v=0,0,-1", "v="..tostring(v2))
-        local v3 = v2:transformLeft()
+        local v3 = v2:rotate(270)
         assert.are.same("v=-1,0,-0", "v="..tostring(v3))
-        local v4 = v3:transformLeft()
+        local v4 = v3:rotate(270)
         assert.are.same("v=-0,0,1", "v="..tostring(v4))
     end)
 end)

vector/vector.lua

@@ -141,18 +141,24 @@ function Vector:equals(other)
     return self.x == other.x and self.y == other.y and self.z == other.z
 end
 
-function Vector:transformRight()
-    local v = Vector.new(self.x, self.y, self.z)
-    v.x = self.z * -1
-    v.z = self.x
-    return v
-end
-
-function Vector:transformLeft()
-    local v = Vector.new(self.x, self.y, self.z)
-    v.z = self.x * -1
-    v.x = self.z
-    return v
+---Rotate the vector by a given angle (90, 180, 270 degrees) around the Z-axis
+---@param angle number @The angle to rotate (90, 180, or 270)
+---@return Vector
+function Vector:rotate(angle)
+    local newX, newZ
+    if angle == 90 then
+        newX = -self.z
+        newZ = self.x
+    elseif angle == 180 then
+        newX = -self.x
+        newZ = -self.z
+    elseif angle == 270 then
+        newX = self.z
+        newZ = -self.x
+    else
+        error("Invalid angle. Only 90, 180, and 270 degrees are supported.")
+    end
+    return Vector.new(newX,self.y, newZ)
 end