Implementation of road intersections and road splitting (halfway)

infrastructure/node.odin

@@ -1,19 +1,26 @@
 package infrastructure
 
+import "../common"
 import rl "vendor:raylib"
 
 Node :: struct {
-	id: u32,
 	enabled: bool,
 	pos: rl.Vector2,
 	roads: [dynamic]u32,
 }
 
-node_init :: proc(new_id: u32, new_pos: rl.Vector2) -> Node {
+node_init :: proc(new_pos: rl.Vector2) -> Node {
 	return {
-		id = new_id,
 		enabled = true,
 		pos = new_pos,
 		roads = nil,
 	}
+}
+
+node_within_snapping_radius :: proc(self: ^Node, pos: rl.Vector2) -> bool {
+	return rl.CheckCollisionPointCircle(
+		pos,
+		self.pos,
+		common.NODE_SNAP_RADIUS * common.NODE_RADIUS,
+	)
 }

infrastructure/road.odin

@@ -1,13 +1,11 @@
 package infrastructure
 
 Road :: struct {
-	id: u32,
 	nodes: [2]u32,
 }
 
-road_init :: proc(new_id: u32, start: u32, end: u32) -> Road {
+road_init :: proc(start: u32, end: u32) -> Road {
 	return {
-		id = new_id,
 		nodes = {start, end}
 	}
 }