cabel-movement (#3)

Cable Movemnt is finished. grid is hard coded

Reviewed-on: #3
Co-authored-by: Glaeder <niklas@vousten.dev>
Co-committed-by: Glaeder <niklas@vousten.dev>

src/activities/house/grid.rs

@@ -0,0 +1,69 @@
+use comfy::*;
+
+#[derive(Debug)]
+pub struct Grid {
+	pub nodes: Vec<Vec2>,
+	pub connections: Vec<(usize, usize)>
+}
+
+impl Default for Grid {
+	fn default() -> Self {
+		Grid::load() //Just for testing purposes
+	}
+}
+
+impl Grid {
+	fn load() -> Self {
+		let mut grid = Self {
+			nodes: vec![
+				vec2(10.0, 0.0),
+				vec2(0.0, 0.0),
+				vec2(0.0, 10.0),
+				vec2(-10.0, 0.0),
+				vec2(10.0, 10.0),
+			],
+			connections: vec![(0, 1), (1, 2), (1, 3), (0, 4), (0, 5), (5, 1), (6, 7)]
+		};
+
+		grid.sanitize();
+
+		grid
+	}
+
+	fn sanitize(&mut self) {
+		let mut len = self.nodes.len();
+		let connections = self
+			.connections
+			.iter()
+			.filter(|(conn_i1, conn_i2)| {
+				if conn_i1 >= &mut len || conn_i2 >= &mut len {
+					error!("Connection in grid not possible {:?}", (conn_i1, conn_i2));
+					false
+				} else {
+					true
+				}
+			})
+			.map(|(conn_i1, conn_i2)| (*conn_i1, *conn_i2))
+			.collect();
+
+		self.connections = connections;
+	}
+
+	pub fn draw(&self) {
+		//Draw Grid
+		for node in &self.nodes {
+			draw_circle(*node, 0.25, BLUE, 0);
+		}
+		for (conn_i1, conn_i2) in &self.connections {
+			let node_1 = self.nodes.get(*conn_i1);
+			let node_2 = self.nodes.get(*conn_i2);
+
+			if node_1.is_none() || node_2.is_none() {
+				error!("Connection in grid not available {:?}", (conn_i1, conn_i2));
+				continue;
+			}
+
+			draw_line(*node_1.unwrap(), *node_2.unwrap(), 0.1, BLUE, 0);
+		}
+	}
+}