50 lines
1.1 KiB
Odin
50 lines
1.1 KiB
Odin
package infrastructure
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import "../common"
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import rl "vendor:raylib"
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Node :: struct {
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// Whether the node is reachable
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enabled: bool,
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// This node's position
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pos: rl.Vector2,
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// All of the roads that are connected to the node itself;
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// Stores the index of the Road object that is stored within Simulator struct in roads dynamic array
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roads: [dynamic]u32,
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}
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// Constructor
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node_init :: proc(new_pos: rl.Vector2) -> Node {
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return {
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enabled = true,
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pos = new_pos,
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roads = nil,
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}
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}
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// Destructor
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node_deinit :: proc(self: ^Node) {
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delete(self.roads)
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}
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// Returns whether passed pos(ition) is within this node's snapping radius
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node_within_snapping_radius :: proc(self: ^Node, pos: rl.Vector2) -> bool {
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return rl.CheckCollisionPointCircle(
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pos,
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self.pos,
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common.NODE_SNAP_RADIUS * common.NODE_RADIUS,
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)
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}
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// Tries to remove the road reference from the node;
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// Returns false if failed
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node_unreference_road :: proc(self: ^Node, road_to_unref: u32) -> bool {
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for i in 0..<len(self.roads) {
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if self.roads[i] != road_to_unref do continue
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unordered_remove(&self.roads, i)
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return true
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}
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return false
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} |