Implementation of road intersections and road splitting (halfway)

common/constants.odin

@@ -15,5 +15,6 @@ ROAD_COLOUR		   :: rl.BLACK
 NODE_DONE_COLOUR   :: rl.BROWN
 NODE_BUILD_COLOUR  :: rl.GOLD
 NODE_CURSOR_COLOUR :: rl.BLUE
+NODE_SNAP_COLOUR   :: rl.PINK
 
 BACKGROUND_COLOUR  :: rl.LIGHTGRAY

common/structures.odin

@@ -0,0 +1,8 @@
+package common
+
+import rl "vendor:raylib"
+
+Intersection_Data :: struct {
+	road: u32,
+	point: rl.Vector2,
+}