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Generate walls procedurally at runtime

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This commit is contained in:
Thibaud Gasser 2018-10-12 12:36:44 +02:00
parent 2031291d00
commit 96f120d943
2 changed files with 13 additions and 1 deletions
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2
simple-pathfinding/src/main/java/fr/uha/gasser/pathfinding/algorithm/AStarSearch.java
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@ -69,7 +69,7 @@ class AStarSearch {
// If the node is a wall, don't add it to the list
if (grid.get(loc).isWall()) continue;
// Don't overflow off the grid
if (loc.x > gridSize.width || loc.y > gridSize.height) continue;
if (loc.x >= gridSize.width || loc.y >= gridSize.height || loc.x < 0 || loc.y < 0) continue;
node.setLoc(loc);
neighbors.add(node);
}

12
simple-pathfinding/src/main/java/fr/uha/gasser/pathfinding/ui/App.java
View File

@ -29,6 +29,7 @@ public class App extends JFrame {
private App() throws HeadlessException {
super("Pathfinding");
grid = new Grid(ROWS, COLS, CELL_SIZE);
generateWalls();
setupInterface();
pack();
setVisible(true);
@ -77,6 +78,16 @@ public class App extends JFrame {
getContentPane().add(gridPane);
}
/**
* Generate walls randomly at runtime
*/
private void generateWalls() {
for (Cell cell : grid) {
final double wallProb = (Math.random() * ((0 - 0.2) + 1));
if (Math.random() < wallProb) grid.setWall(cell.getPos(), true);
}
}
private void setWallPlacing(JMenuItem placeWallItem) {
// Invert selection state
placeWallItem.setSelected(!placeWallItem.isSelected());
@ -100,6 +111,7 @@ public class App extends JFrame {
startNode = null;
endNode = null;
grid.clear();
generateWalls();
}
private void doCancel() {